IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 11 August 2010 (all times are UTC)
| 00:07 | <DanaG> Not sure... still "preconfiguring packages"
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| 00:08 | And it seems to have stalled there.
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| 00:08 | 0.0 cpu time for dpkg-preconfigu
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| 00:10 | Had to kill -9 the parent qemu-arm-static
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| 00:11 | Argh, it died after that.
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| 00:12 | Unsupported ioctl: cmd=0xffffffffc020660b
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| 00:12 | Trying with --skip-upgrade now.
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| 00:15 | <johnny> you are running this on another arm box right?
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| 00:15 | ah.. qemu
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| 00:16 | that's neat
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| 00:21 | dobber has joined #ltsp | |
| 00:22 | <DanaG> User-mode emulation... interesting.
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| 00:23 | <johnny> well.. it might work better on a real arm machine
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| 00:23 | i can't comment tho..
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| 00:24 | ogra is the arm person to talk to
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| 00:24 | maybe vagrantc...
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| 00:24 | <DanaG> I'll try it on the real ARM thing next.
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| 00:24 | <johnny> vagrantc is debian dev, but ogra is ubuntu dev with a focus on arm (last i heard anyways)
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| 00:24 | <DanaG> Yeah, preconfiguring... hung.
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| 00:24 | <johnny> and ogra used to be one of the major ltsp developers
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| 00:25 | so he should be familiar with issues i hope
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| 00:26 | <DanaG> I wish the use of non-netbootable systems was better documented -- or at least more googleable.
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| 00:27 | <johnny> for arm in general?
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| 00:27 | why not netboot anyways
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| 00:27 | then you can compile without adding local storage
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| 00:27 | <DanaG> Because ARM can't netboot.
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| 00:27 | Or at least, not easily.
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| 00:28 | <johnny> it should be able to with gpxe right?
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| 00:28 | * johnny isn't sure ift's been compiled for arm | |
| 00:28 | <johnny> and whatever nic chipset
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| 00:28 | <DanaG> But where would gpxe go?
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| 00:28 | <johnny> booted off a compact flash/sd /usb?
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| 00:29 | then again.. if you have a 32gb usb, obviously you don't need to netboot..
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| 00:29 | * johnny isn't sure how much it actually takes to compile the whole thing | |
| 00:29 | <johnny> or install it all anyways
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| 00:30 | <DanaG> And the only reason I'm trying thin client, is because Adobe won't get off their asses and compile an ARM flash. And I have somebody's existing "project" that was done in Flash -- and doesn't work with the open-source stuff.
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| 00:31 | Perhaps it'd take less total time to re-implement the thing in Javascript.
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| 00:34 | <johnny> did you try the newest lightspark ?
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| 00:35 | the dude seems to release a new one every week
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| 00:38 | <DanaG> hmm, is there a lightspark irc channel?
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| 00:39 | ah, silly me, /list
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| 01:47 | <Luke_Wolf> alkisg, do you think that If I could ssh from tty2 to the server that I could mount the local drive that way?
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| 01:56 | <DanaG> argh, well, I got the thing built (except for squashfs, since I didn't wanna' wait, and had to give back the 2-gig SD card....
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| 01:56 | Now, it fails to mount nfs root.... http://pastebin.com/1jMemqEu
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| 02:06 | <johnny> ?
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| 02:06 | squash is for nbd
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| 02:09 | <Luke_Wolf> http://pastebin.com/90v8qkHt I'm not sure what password it's asking for, since I've cleared that in the remote desktop settings... but this is theoretically the last wall for mounting that drive (although It may turn out I need a whole different command...)
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| 02:10 | <DanaG> Yeah, and I'm not quite clear on what "nbd" is.
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| 02:12 | ... or what I'm supposed to serve up.
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| 02:12 | <johnny> well ubuntu does it by default
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| 02:13 | it's like if you served up a downloadable linux iso as the root, except.. over the network
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| 02:13 | <DanaG> For me, by default, it didn't even start the daemon.
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| 02:13 | <johnny> it doesn't
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| 02:13 | <DanaG> /etc/nbd-server/ is empty!
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| 02:13 | <johnny> it's via /etc/inetd.conf
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| 02:14 | it gets started by openbsd-inetd on demand instead of always running a daemon
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| 02:14 | <DanaG> ah.
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| 02:14 | <johnny> /etc/nbd-server isn't even used
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| 02:14 | <DanaG> So, what root path should my dnsmasq on my router serve up?
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| 02:14 | <johnny> none
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| 02:15 | as far as i can tell anyways
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| 02:15 | <DanaG> Or alternately, what nfsroot should cmdline specify?
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| 02:15 | <johnny> neither
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| 02:15 | <DanaG> ah.
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| 02:15 | <johnny> that is.. unless you actually want to use nfs.. it's possible to enable nfs on ubuntu
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| 02:15 | nbd is just faster
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| 02:15 | <DanaG> Going to try removing dhcp-option.
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| 02:16 | Anyway, so I'm trying to use the beagle as a slave to an x86 server.
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| 02:16 | <johnny> well, i can show you my dnsmasq config.. altho it's probably overkill while i was trying to get something working
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| 02:16 | <DanaG> Negotiation: Error: Server closed connection
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| 02:16 | Error: failed to connect to NBD server.
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| 02:16 | <johnny> does it try?
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| 02:16 | you should be able to get nbd via port 2000
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| 02:16 | try it with nbd-client
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| 02:16 | from the server i mean
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| 02:16 | <DanaG> I'm not getting how it's supposed to know what server to connect to, without dnsmasq telling it.
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| 02:17 | <johnny> it defaults to the server it tftped to
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| 02:17 | or SERVER in lts.conf
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| 02:17 | <DanaG> Ah.
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| 02:17 | Is lts.conf in the initramfs?
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| 02:17 | <johnny> not by default
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| 02:17 | <DanaG> It's an ARM box, so it can't tftp.
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| 02:17 | <johnny> it aquires it from tftp
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| 02:17 | huh?
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| 02:17 | why can't it tftp
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| 02:18 | <DanaG> Or rather, it can't tftpboot.
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| 02:18 | u-boot doesn't do usb-ethernet.
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| 02:18 | <johnny> sure, but it still gets tftp in the initramfs
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| 02:18 | iirc anyways
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| 02:18 | <DanaG> Hmm, it doesn't seem to say anything about tftp.
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| 02:18 | <johnny> i don't know if it does
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| 02:18 | or will
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| 02:19 | i haven't looked at that code in forever
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| 02:19 | i kinda have to go back to otehr stuff now (like food)
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| 02:19 | but if you don't mind, you could unpack the initramfs and grep for it
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| 02:19 | or just look at the ltsp-trunk code under client/initrfamfs (i think)
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| 02:20 | or maybe just initramfs, i can't remmeber
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| 02:20 | it has the hook script
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| 02:20 | for initramfs-tools
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| 02:20 | you can follow the dep chain of vars, or just ask alkisg when he comes around
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| 02:22 | * alkisg looks up... :) | |
| 02:22 | <DanaG> Oh yeah, and inetd.conf has no "2000" line.
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| 02:23 | Aug 11 00:22:39 tomato.localdomain dnsmasq-dhcp[17049]: 2069773876 requested options: 1:netmask, 3:router, 6:dns-server, 12:hostname,
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| 02:23 | Aug 11 00:22:39 tomato.localdomain dnsmasq-dhcp[17049]: 2069773876 requested options: 15:domain-name, 28:broadcast, 42:ntp-server
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| 02:23 | <alkisg> DanaG: erm, can you give a short overview?
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| 02:23 | <johnny> hmm.. it doesn't get added until there's a successful ltsp-build-client
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| 02:23 | <DanaG> I'm trying to get a beagleboard up as an ltsp client.
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| 02:23 | <johnny> i tink
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| 02:23 | <alkisg> You have dnsmasq on your router, an x86 based ubuntu server, and you want an arm ltsp client?
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| 02:24 | <DanaG> Well, dnsmasq on my router here... not sure what I'll have in the final install location.
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| 02:24 | <johnny> alkisg, how do you force the nbd server if you're not netbooting
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| 02:24 | that's the question atm
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| 02:24 | but.. DanaG first you need this
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| 02:24 | <alkisg> "force" == restart?
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| 02:24 | sudo invoke-rc.d openbsd-inet restart
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| 02:25 | <johnny> alkisg, that doesn't work until there's a successful ltsp-build-client iirc
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| 02:25 | <DanaG> Nothing special. There's no entry for "2000".
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| 02:25 | <johnny> and since it's being built on another machine, there won't be
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| 02:25 | <johnny> #<off># sane-port stream tcp nowait saned:saned /usr/sbin/saned saned
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| 02:25 | 2000 stream tcp nowait nobody /usr/sbin/tcpd /usr/sbin/nbdrootd /opt/ltsp/images/i386.img
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| 02:25 | lemme try that again
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| 02:26 | <johnny> !pastebot
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| 02:26 | <ltspbot`> johnny: "pastebot" :: The LTSP pastebot is at http://ltsp.pastebin.com. Please paste all text longer than a line or two to the pastebot, as it helps to reduce traffic in the channel. Don't forget to paste the URL of the text here.
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| 02:26 | <alkisg> DanaG: wait, you don't have nbd in inetd.conf? `grep nbd /etc/inetd.conf`
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| 02:26 | <johnny> alkisg, yes.. because as i mentioned.. no successful build :)
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| 02:26 | <DanaG> 9572 stream tcp nowait nobody /usr/sbin/tcpd /usr/sbin/nbdswapd
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| 02:27 | <alkisg> OK, and you don't want to build an image, but put it there manually?
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| 02:27 | <johnny> DanaG, here's my full inetd.conf
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| 02:27 | http://ltsp.pastebin.com./zM5abjjU
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| 02:27 | <alkisg> sudo update-inetd --group LTSP --add "${NBD_PORT} stream tcp nowait nobody /usr/sbin/tcpd /usr/sbin/nbdrootd ${IMAGE}"
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| 02:27 | <johnny> DanaG, you will need to run ltsp-update-image
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| 02:27 | <DanaG> I built the rootfs on the arm board, then had to nuke the SD card to give back to the person I borrowed it from.
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| 02:27 | <alkisg> (replace NBD_PORT and IMAGE as appropriate)
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| 02:28 | <DanaG> But I copied the rootfs built by arm host, to the same place on my x86 host.
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| 02:28 | <johnny> once you've copied the built arm chroot to /opt/ltsp/armel
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| 02:30 | <DanaG> Okay.
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| 02:31 | <johnny> replacing the arches of course
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| 02:31 | fooding..
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| 02:31 | <DanaG> Hmm, now how's the thing supposed to be getting its server's address?
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| 02:31 | <alkisg> next-server in dnsmsq.conf
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| 02:32 | (I don't remember the exact name, maybe it is tftp-server or something like that)
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| 02:33 | <DanaG> hmm, tftp-server sounds right.
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| 02:33 | <alkisg> dhcp-option=pxe,66,1.2.3.4
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| 02:34 | (option 66)
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| 02:34 | (without the pxe class if you don't use classes)
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| 02:35 | <DanaG> Hmm, it's not even requesting dhcp-boot or such...
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| 02:35 | <alkisg> If it doesn't support "boot from network", check if it supports gpxe. If it doesn't, you can load the kernel locally and boot the rest from the network
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| 02:36 | <DanaG> people/xl0/gpxe-arm.git xl0's repository, ARM port. Alexey Zaytsev 2 years ago
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| 02:36 | that's on etherboot git.
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| 02:37 | <alkisg> If you ask on #etherboot i'm sure you'll get an answer there...
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| 02:43 | <DanaG> ah:
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| 02:43 | dhcp-boot=/opt/ltsp/armel/boot/nbi.img,server0,192.168.1.143
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| 02:44 | Now: [ 25.478576] nbd9: Receive control failed (result -32)
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| 02:44 | <alkisg> Erm, how was that served with tftp?! You have a tftp server serving /opt/ltsp?!
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| 02:45 | Usually on ubuntu, /var/lib/tftpboot is used for the tftp root....
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| 02:47 | <DanaG> oh, maybe I gave it the wrong file... but anyway, it's not tftp-ing, since it's not netbooting for real.
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| 02:47 | /var/lib/tftpboot/ltsp/ is empty.
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| 02:47 | <alkisg> How is it loading nbd.img then? from where?
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| 02:48 | <DanaG> It's not loading it... that's just the config I gave dnsmasq.
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| 02:48 | What is nbd.img, anyway?
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| 02:48 | <johnny> it's the actual imoage served up the client
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| 02:48 | <alkisg> It contains the kernel and initrd in a form usable by old etherboot clients
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| 02:49 | Newer gpxe clients no longer use that. It's been broken since Karmic on ubuntu, so it won't work afaik.
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| 02:49 | How are you planning to boot the client?
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| 02:49 | <johnny> oh wait. i'm thinking of a different file ..
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| 02:50 | <DanaG> From an SD card, with the contents of that chroot.
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| 02:50 | Though, I also don't know what kernel command-line to pass.
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| 02:50 | <johnny> why would you do that?
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| 02:50 | just sdcard with something that loads the initramfs is enough
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| 02:50 | then it should be able to mount nbd
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| 02:51 | <DanaG> Oh, just the initramfs? What do I pass for "root="?
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| 02:51 | <johnny> you can set the nbdserve and port there if necessary as well btw
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| 02:51 | i think you just set nbdroot..
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| 02:51 | i don't recall the format
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| 02:52 | <alkisg> If you have your network configured properly, no kernel parameters are necessary
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| 02:52 | If you don't, you can set everything on the kernel command line (even a static ip for the client)
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| 02:53 | So just specifying the initrd should be enough...
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| 02:54 | nbd-server=1.2.3.4:2000 <== this is if you didn't setup option 66 on dnsmasq correctly
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| 02:59 | <DanaG> Hangup
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| 02:59 | Negotiation: Error: Server closed connection
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| 02:59 | Error: failed to connect to NBD server.
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| 03:00 | <johnny> did you restart openbsd-inetd after editing /etc/inetd.conf ?
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| 03:00 | try mounting it from the server
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| 03:00 | nbd-client <server> <port> something like that
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| 03:00 | <DanaG> Actually, inetd -d doesn't even show anything incoming.
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| 03:01 | <johnny> well.. you should start from a regular pc to test from elsewhere
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| 03:01 | <DanaG> hmm, that "disconnect all on stop" -- accept default of "no"?
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| 03:01 | <johnny> that way you can know where the problem lies
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| 03:01 | probably..
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| 03:02 | <alkisg> DanaG: put "break=mount" as a kernel option
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| 03:02 | That will give you a busybox prompt
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| 03:02 | Try: nbd-client server-ip 2000 /dev/nbd0
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| 03:02 | If that works, you have a problem in your dnsmasq.conf
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| 03:03 | If not, you have a configuration problem on your server
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| 03:03 | <DanaG> nbd0: unknown partition table
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| 03:03 | <alkisg> That's fine
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| 03:03 | So, it's a problem with your dnsmasq.conf. Did you put option 66?
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| 03:04 | <DanaG> I'm trying the nbd-server parameter, since the place I'm going to end up putting the things is not with dnsmasq.
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| 03:05 | <alkisg> DanaG: sorry, it's nbdroot=1.2.3.4:2000, not nbd-server
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| 03:05 | <DanaG> thanks.
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| 03:06 | <johnny> sounds like you're getting there
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| 03:07 | <DanaG> Unfortunately, the thing needs a DVI monitor.... which I don't have on hand.
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| 03:07 | Cool, server is receiving requests.
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| 03:08 | <alkisg> Uh, so all that time you weren't seeing the client screen?
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| 03:08 | <DanaG> [ 25.263977] nbd9: Receive control failed (result -32)
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| 03:08 | I'm using serial console.
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| 03:09 | <alkisg> OK. There's a hangup as part of the booting, maybe that's the "receive control failed" part
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| 03:09 | (it's disconnected and reconnected afterwards)
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| 03:09 | <DanaG> Added ttyS2.conf.
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| 03:09 | Now, who can I log in as on the serial console?
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| 03:09 | <alkisg> You'd need to unlock the root account to log in locally
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| 03:09 | <johnny> you would have to set the root password in the chroot and rebuild it...
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| 03:10 | yes, and unlock it
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| 03:12 | <DanaG> Now, can I install a vnc server on it? =þ
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| 03:12 | Eh, that's enough for tonight... now I have it booting. Thanks greatly for all the help!
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| 03:12 | Wed Aug 11 01:12:47 PDT 2010
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| 03:12 | yeah, time for bed.
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| 03:13 | <alkisg> Sure you can run x11vnc
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| 03:13 | Good night
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| 03:13 | <DanaG> ah, now just have to figure out where to put the command to start x11vnc.
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| 03:14 | http://bootpolish.net/home_ltsp_installx11vnconltsp5
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| 03:15 | <alkisg> Urm there are easier ways than that
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| 03:15 | <DanaG> ah?
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| 03:15 | <alkisg> If you put it in an ldm rc script, you'll have display and xauthority setup for you without manually trying to find them
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| 03:16 | Ah the alternative method there is pretty much ok
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| 03:17 | <DanaG> yeah, the first one seemed crazy.
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| 03:23 | Now I just have to figure out how to get several different thin-clients each to load a different desktop.
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| 03:23 | <alkisg> btw to maintain the chroot you can make a copy of it and export it read-write with nbd, and mount it from the serial console on the client after it boots
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| 03:23 | <DanaG> I'm maintaining it with the qemu-arm-static, for now.
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| 03:23 | <alkisg> Cool. What do you mean "different desktops"?
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| 03:24 | Different users?
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| 03:24 | <DanaG> Or rather, have each run a different script of some sort at startup.
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| 03:24 | I'd want to have as few differences between clients as possible.
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| 03:24 | <alkisg> There's RC_FILE in lts.conf, but do you want that script to run before or after the users log in?
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| 03:25 | RCFILE_01 to 10, can all be different for each client
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| 03:25 | <DanaG> After login -- so, for example, it'd run Mozilla Prism fullscreened at startup. Different "page" in prism for each client.
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| 03:25 | Prism is a standalone, locked down xulrunner.
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| 03:25 | <alkisg> That's on the server, you don't have to do anything on the chroot for that
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| 03:26 | <DanaG> ah, how about auto-logon?
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| 03:26 | <alkisg> LDM_AUTOLOGIN etc
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| 03:26 | !lts.conf
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| 03:26 | <ltspbot`> alkisg: "lts.conf" :: http://manpages.ubuntu.com/lts.conf
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| 03:26 | <alkisg> See the man page ^^
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| 03:26 | So just a different ~/.config/autostart/something.desktop for each user should do it
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| 03:26 | <DanaG> Sweet!
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| 03:27 | Last thing: where does audio go? I'd hope it uses pulseaudio, or something, to play on the client.
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| 03:28 | <alkisg> Yup
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| 03:28 | Automatically
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| 03:29 | <DanaG> Seet.
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| 03:29 | Sweet.
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| 03:29 | Oh, and I am a big fan of PulseAudio's multi-device handling -- on my laptop, I send web audio to onboard speakers, and music to my external speakers.
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| 03:31 | <alkisg> How do you do that?
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| 03:31 | <DanaG> Set onboard as default, and use pavucontrol to move music player app to the USB sound card.
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| 03:32 | * alkisg makes a not to check out pavucontrol some time... :) | |
| 03:32 | <alkisg> *note
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| 03:33 | <johnny> alkisg, i've done it before
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| 03:33 | it's prett yswell
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| 03:33 | even just the default features on a desktop to move sound to different speaker outputs is neat enough
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| 03:33 | i had a set of usb speakers and moved the output to those easily
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| 03:34 | * DanaG just noticed that guy set "nossl" and "passwdfile". | |
| 03:34 | * alkisg is using reverse vnc connections from the client to the server ip, so no need for passwdfile etc | |
| 03:35 | <alkisg> x11vnc -connect server
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| 03:35 | (server is defined in /etc/hosts, so no need to put an ip there)
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| 03:36 | <DanaG> ah, so how does the server listen?
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| 03:36 | And does it connect immediately, or just on-demand?
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| 03:37 | <alkisg> It keeps trying to connect, every 10 secs if I remember correctly
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| 03:37 | vinagre => enable listening for reverse connections
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| 03:38 | <DanaG> hmm, after I logged in on the client, vnc window closed.
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| 03:39 | <alkisg> X gets restarted so you should try to reconnect
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| 03:39 | <DanaG> ah, logfile not writable.
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| 03:46 | <DanaG> ah, login gave: "no response from server... restarting."
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| 03:49 | <alkisg> Whenever the server ip changes, you need to run: ltsp-update-sshkeys && ltsp-update-image
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| 03:50 | <DanaG> ah, oh yeah, how do I get x11vnc to keep track of ldm xauth?
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| 03:51 | * alkisg needs to do some work, be back in ~10h... | |
| 03:53 | <DanaG> ah, see you then.
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| 03:53 | Thanks for all that help!
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| 03:54 | <alkisg> np - good luck
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| 03:55 | <DanaG> Wow, that worked!
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| 03:55 | Now overdue for bedtime now...
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| 05:39 | <dobber> so, you can't create a socket with sshfs :(
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| 06:54 | <test> Hi
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| 06:54 | I've got a problem on debian lenny + ltsp + pulseaudio. When I install kmix, I have no sound anymore even if I remove kmix
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| 09:19 | <jammcq> hello friends
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| 09:59 | <highvoltage> bonjour jammcq
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| 09:59 | <jammcq> :)
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| 10:26 | <test> Hi
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| 10:26 | I've got a problem with pulseaudio and ltsp
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| 10:26 | <test> sound works in mplayer
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| 10:27 | but not in kde3
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| 10:31 | <jammcq> mistik1: ???
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| 11:00 | <DanaG> say, now, how do I set the default ALSA volumes for a thin-client?
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| 11:00 | On omap3beagle, it defaults to horribly high analog AND digital gain, and distorts quite horridly.
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| 11:15 | <_UsUrPeR_> DanaG: I think I may have an answer for you
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| 11:15 | one moment.
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| 11:16 | <DanaG> ah, I think maybe copying asound.state will work.
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| 11:16 | <_UsUrPeR_> DanaG: you also must put a rule in on boot in order to have it recalled during the start of X
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| 11:17 | and both the rule and asound.state should be resident inside the ltsp image
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| 11:18 | <johnny> there's various SOUND options in lts.conf
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| 11:18 | <DanaG> The default volume on omap3beagle is 10dB analog gain, 12 dB digital coarse gain, and -6 db analog fine gain.
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| 11:18 | Makes it sound absolutely horrid. =þ
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| 11:18 | <alkisg> !lts.conf
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| 11:18 | <ltspbot`> alkisg: "lts.conf" :: http://manpages.ubuntu.com/lts.conf
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| 11:19 | <alkisg> ^^^ a lot of volume options there
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| 11:19 | Basically, you can configure *any* volume, as the lts.conf directive names are depended on your card
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| 11:19 | amixer gives you the control names...
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| 11:20 | <DanaG> Gotta' love google.
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| 11:20 | I google for ltsp asound.state, it gives me:
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| 11:20 | "However, if you give that stock to LTSP as a gift, you AVOID the capital gains tax and can also ... STATE Street Bank Trust Company... "
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| 11:20 | Caps are what it matched.
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| 11:21 | <alkisg> Heh
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| 11:21 | <DanaG> how the hell is "avoid WORD WORD WORD WORD WORD WORD WORD state" "asound.state"
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| 11:21 | <dberkholz> DanaG: try using quotes around asound.state
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| 11:22 | jwhite has joined #ltsp | |
| 11:23 | <DanaG> hmm, yeah, not only that, but I also need a "+" to say, "yes, I really mean those quotes, damnit!"
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| 11:23 | Well, sometimes it ignores even quotes.
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| 11:24 | Now, how do I deal with control names with spaces?
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| 11:24 | <_UsUrPeR_> DanaG: here http://pastebin.com/C2wNXZ3A
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| 11:24 | penned by yours truly about 6 months ago
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| 11:25 | for myself, I was working with a call center, and our units were defaulting to max gain on their headsets, causing everything people said to blow out the customer's ear drums :)
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| 11:26 | <alkisg> DanaG: from ltsp-init-common: # Translate the channel name into an environmentally
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| 11:26 | # friendly variable. In other words, a variable
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| 11:26 | # in all caps, where forward slashes, hyphens, and
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| 11:26 | # spaces are replaced by underscores, and anything
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| 11:26 | # in parentheses is dropped completely
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| 11:27 | # eg. if the channel is named 'Mic Boost (+20dB)'
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| 11:27 | # then the variable is simply MIC_BOOST_SWITCH
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| 11:27 | <_UsUrPeR_> alkisg: is this a new development?
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| 11:27 | <alkisg> (SWITCH is for switches, VOLUME for volumes)
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| 11:27 | _UsUrPeR_: no, that's how it always has been
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| 11:27 | <_UsUrPeR_> huh
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| 11:28 | <alkisg> (at least since I know about ltsp)
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| 11:28 | <_UsUrPeR_> I tried using the lts.conf for sound settings a while back with Gadi's assistance, and the procedure I have above was the closest I could get to "simple"
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| 11:31 | <alkisg> _UsUrPeR_: hmm... well, to change the volume you can either save/restore the state, or use separate lts.conf variables like I said above - whichever seems simpler to you
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| 11:31 | To me, the lts.conf method seems simpler, as I don't need to modify the chroot...
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| 11:32 | Of course the lts.conf method won't work for more than 1 card, so you'd need a script there.
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| 11:32 | <_UsUrPeR_> alkisg: I agree. the lts.conf is definitely the easiest way to do it. Unfortunately, it did not work for myself and the particular LTSP client.
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| 11:32 | <alkisg> I can't imagine why, but if Gadi was helping you, I'm sure he knew what he was doing.
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| 11:45 | <DanaG> ah, I'm going with asound.state -- thanks.
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| 11:48 | <alkisg> DanaG: the lts.conf will probably be simpler, you won't need to update the chroot every time you need to change the default volume..
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| 11:48 | <DanaG> The speakers I'll be using have their own volume control, so I'm just setting things to 0dB.
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| 11:48 | no gain, no attenuation.
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| 11:49 | er, wait, 0 is inaudible....
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| 11:49 | oh, I forgot the switches.
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| 11:49 | Argh, stupid bad defaults!
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| 11:50 | And it didn't restore state!
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| 11:50 | <alkisg> OK - I'm just saying that you don't need to search for workarounds if the "official" method works.
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| 11:52 | <DanaG> Oh, and left and right are swapped!
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| 11:52 | Yeah, sounds like lts.conf will be more reliable.
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| 11:52 | Do you edit that on server, or on chroot?
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| 11:52 | Or rather, within, or outside?
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| 11:54 | <alkisg> /var/lib/tftpboot/ltsp/i386/lts.conf
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| 11:55 | <DanaG> ah, though, since I'm using a beagleboard, that tftpboot isn't what'll be used.
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| 11:55 | I'm loading kernel and initramfs from SD card.
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| 11:55 | <alkisg> It will. If boot filename is empty (which I guess it is) then it defaults to ltsp/i386/lts.conf
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| 11:56 | <DanaG> Arch is armel.
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| 11:56 | /var/lib/tftpboot/ltsp is empty.
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| 11:57 | <alkisg> Yes because you didn't run ltsp-update-image, but it will still be used. i386, not armel.
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| 11:57 | <DanaG> I did run update-image.
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| 11:57 | Update-kernels created "armel" dir in that folder.
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| 11:57 | But no lts.conf there.
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| 11:58 | <alkisg> (07:56:33 μμ) DanaG: /var/lib/tftpboot/ltsp is empty. ==> so it isn't empty, it has an armel folder, right?
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| 11:58 | <DanaG> It WAS empty.
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| 11:58 | Until I ran update-kernels.
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| 11:58 | <alkisg> Ignore the armel folder. Make an i386 folder and create an lts.conf inside that
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| 11:59 | <DanaG> "In case you want to use the lts.conf here, this still works, but you need to run ltsp-update-image after every change."
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| 11:59 | <alkisg> (unless you modify your dnsmasq.conf on the router to set boot-filename=/ltsp/armel/pxelinux.0)
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| 11:59 | <DanaG> So says the one within the chroot.
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| 11:59 | <alkisg> DanaG: yes, but again, if the official method works you don't need to search for workarounds.
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| 11:59 | Why would you update the image every time you change lts.conf?
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| 11:59 | <DanaG> The official method strikes me as weird, though. And update-image takes, oh, 2 seconds, tops.
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| 12:00 | oh yeah, that's my SSD.
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| 12:00 | Right... the final place I'll deploy will have HDD, not SSD....
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| 12:00 | <alkisg> OK. I'm just proposing the official method, of course you're free to choose your own way to do things.
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| 12:00 | <DanaG> Yeah, I'll do that now.
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| 12:01 | I'd just forgotten to consider why it was so fast on my laptop... =þ
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| 12:02 | Say, do those audio settings take "dB" values?
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| 12:02 | Or just percent?
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| 12:02 | <alkisg> Percent
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| 12:02 | The switches are on/off I believe
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| 12:03 | <DanaG> yeah, looks like that's it -- looked at that ltsp-init-common.
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| 12:04 | * alkisg gotta go - good luck | |
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| 12:11 | <DanaG> Simple mixer control 'Codec Operation Mode',0 Capabilities: enum Items: 'Option 2 (voice/audio)' 'Option 1 (audio)' Item0: 'Option 2 (voice/audio)'
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| 12:11 | say, how would I set that one?
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| 12:14 | <fly23> hi
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| 12:15 | i just finished setting p ltsp with ubuntu 10.04
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| 12:16 | we have almost identical thinclients, only the monitors are different at each client, and that seems to be a problem
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| 12:18 | <fly23> is there a way to preset the display-resolution for each client seperatly, but in one central file?
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| 12:18 | <DanaG> Does it not just autodetect?
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| 12:18 | <fly23> this works only on the TFT
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| 12:18 | most clients have CRTs attached
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| 12:20 | <fly23> setting the right resolution/Hz combination inside gnome works, but when the user logs in later at another thinclient, resolution is wrong again
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| 12:23 | <DanaG> Ah, that reminds me... stupid CRT manufacturers...
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| 12:23 | they set their 4:3 CRTs to report a 5:4 resolution as "optimal".
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| 12:24 | syntax error in /etc/lts.conf, line=1
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| 12:25 | argh.
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| 12:27 | DAC_VOICE_ANALOG_DOWNLINK_VOLUME=67
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| 12:29 | great, I accidentally nuked my I10-sound file
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| 12:29 | /opt/ltsp/*/usr/share/ltsp/xinitrc.d/I10-sound
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| 12:29 | can somebody pastebin that file for me, please?
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| 12:30 | asterisk is so it doesn't matter what architecture.
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| 12:33 | <fly23> http://pastebin.com/8cUDfi76
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| 12:34 | <DanaG> Thanks.
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| 12:55 | <[GuS]> Guys, i have a small cuestion, i use Gentoo for LTSP5, and i've setup pulseaudio. I must compile the apps so that they could support pulseaudio right?
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| 12:56 | <johnny> on your server, yes
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| 12:56 | the client already has everything with pulseaudio
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| 12:56 | there's no need to "set up" pulseaudio
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| 12:57 | you shouldn't use the system level script at all
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| 12:57 | the script in /etc/init.d i mean
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| 12:57 | please don't use it
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| 12:57 | they advise against it unless you have a special use case
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| 13:00 | <DanaG> ARFGH
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| 13:00 | that lts.conf audio stuff didn't work!
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| 13:01 | syntax error in /etc/lts.conf, line=1
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| 13:01 | <johnny> you spelled it wrong
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| 13:01 | <[GuS]> johnny: i've followed this: http://bootpolish.net/home_ltsp_ltsp5sound (but for gentoo)
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| 13:01 | <johnny> does your lts.conf being with [default]
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| 13:01 | <[GuS]> the pulse audio in the client is running, but i dont have sound
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| 13:01 | <johnny> no!
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| 13:01 | that doc is fail
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| 13:01 | it's unnecessary
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| 13:02 | except the part about recompiling packages with pulseaudio use flag that is
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| 13:02 | you might have broken your system
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| 13:02 | <[GuS]> ?
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| 13:02 | i didnt compile anything
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| 13:02 | since i didnt set pulseaudio flag
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| 13:02 | <johnny> well set pulseaudio flag on your server and emerge with --newuse
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| 13:03 | and ignore that doc for the most part
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| 13:03 | <[GuS]> ok
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| 13:03 | <johnny> the only thing that "might" be valid is the asoundrc
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| 13:03 | <[GuS]> so, i dont need to install pulsesudio inside chroot?
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| 13:03 | <johnny> but i don't think it is
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| 13:03 | it already is
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| 13:03 | <[GuS]> well, wansnt in mine
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| 13:03 | <johnny> then your installation was not complete
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| 13:03 | in the first place
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| 13:03 | <[GuS]> johnny: then the wiki of gentoo is incomplete
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| 13:03 | <johnny> it's required to be installed
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| 13:03 | i'm sure it is
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| 13:03 | i don't have gentoo
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| 13:03 | i just know they are all doing it wrong
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| 13:03 | i wrote the code, they are failing
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| 13:04 | and they won't even come talk to me to fix it
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| 13:04 | <[GuS]> and also the gentoo script for ltsp is incomplete
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| 13:04 | so, is not my fault :)
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| 13:04 | <johnny> no it isn't :)
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| 13:04 | it works fine
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| 13:04 | <[GuS]> good :)
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| 13:04 | <johnny> except for the part requiring network drivers
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| 13:04 | <[GuS]> so, lets back to the subject.
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| 13:04 | first of all, add pulseaudio flasg
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| 13:04 | <johnny> that's the only real problem.. but that's the problem with genkernel..
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| 13:04 | <[GuS]> flag*
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| 13:04 | <johnny> not mine
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| 13:05 | <[GuS]> johnny: for the network drivers already compile it with the needed drivers... also added video drivers in make.conf and blablabla
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| 13:05 | i only need sound, and make work scanners
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| 13:05 | also, the conf of the chroot pulseaudio in that novell doc, is right?
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| 13:06 | (actually i saw in the terminal client that i have pulseaudio running now)
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| 13:06 | <johnny> scanners aren't possible
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| 13:06 | not in any ltsp
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| 13:06 | <[GuS]> :S
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| 13:07 | <johnny> i mean.. you acn use local apps
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| 13:07 | <[GuS]> so, that is the only "fix"
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| 13:07 | <johnny> but they aren't possible with server apps
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| 13:07 | as far as i can tell anyways
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| 13:07 | if you have hp scanners.. you might get lucky with saned
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| 13:07 | <[GuS]> ok... i saw somewhere running sanned daemon that might work... but i dont know
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| 13:07 | <johnny> but.. that's only cuz they made a concious effort
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| 13:07 | to support network scanning
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| 13:08 | <[GuS]> well, is a multi fuction printer, that has scanner and is hp
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| 13:08 | <DanaG> ah, I was missing the [default] header.
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| 13:08 | <johnny> ah.. ok.. then you an probably make itw ork
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| 13:08 | hmm.. conf of the chroot pulseaudio?
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| 13:08 | the only conf for pulseadio is in the ltsp init scripts
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| 13:08 | it doesnt use anything under /etc/pulse*
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| 13:09 | that's how we have a common set of options between distros
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| 13:09 | so ignore anything that tells you use mess with /etc/pulse*
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| 13:09 | uggh.. why won't these people ever come talk to the author for help :(
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| 13:10 | i also though knipwim would fix the gentoo wiki
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| 13:10 | [GuS], it's hard for me, because i don't use gentoo on the desktop anymore, only on my linode
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| 13:11 | <[GuS]> yeah i know johnny...
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| 13:11 | is complex...
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| 13:11 | i was for me, i would not use gentoo for this
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| 13:11 | but my company where i work, they do.
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| 13:11 | Sorry for all gentoo users, but with our time and how client reacts, gentoo is a waste of time...
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| 13:11 | but well, i dont have a choice here...
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| 13:11 | i must try to make it work...
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| 13:13 | * Kyle__ sighs | |
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| 13:13 | <[GuS]> johnny: what about this? http://www.mail-archive.com/ltsp-discuss@lists.sourceforge.net/msg38575.html
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| 13:13 | i think i will try that
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| 13:13 | <Kyle__> So I tried duplicating my setup in my second lab, not so streightforward :P
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| 13:13 | <[GuS]> for scanners
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| 13:14 | <Kyle__> I'm getting "Error: NBD_TYPE[0] contains unknown value" when trying to boot.
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| 13:17 | <Kyle__> Did my image just get screwed up or something?
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| 13:18 | <[GuS]> so... in resumen... i must configure only the asound.conf in the server and thats all? (including of course the pulseaudio USE stuff)
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| 13:18 | resume*
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| 13:21 | <[GuS]> i wonder if in Debian like distros LTSP has a better support..
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| 13:22 | about LTSP5
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| 13:22 | <johnny> [GuS], definitely
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| 13:22 | 100x
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| 13:22 | ubuntu for sure
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| 13:22 | on gentoo.. who knows when packages get upgraded that break things
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| 13:22 | <[GuS]> johnny: well, i am debian/kubuntu user... but my boss loves gentoo :P
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| 13:22 | yeah
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| 13:22 | <johnny> then tell your boss to come in here
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| 13:22 | and work on it
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| 13:22 | <Kyle__> I never actually knew why anyone would use gentoo for real work. But then again, I'm not a gentoo fan.
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| 13:22 | <johnny> Kyle__, gentoo is great.. my linode runs it
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| 13:23 | <[GuS]> i always break something on updates... and even when i do take care of it
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| 13:23 | <johnny> i used it on a desktop for years
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| 13:23 | but i learned all i can learn
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| 13:23 | and the distro stopped being so bleeding edge. i switched to fedora
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| 13:23 | <Kyle__> johnny: I used CRUX for that. I loved that distro.
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| 13:23 | <johnny> i wanted more integration
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| 13:23 | * Kyle__ nods | |
| 13:24 | <[GuS]> johnny: well.. when i was young and used do that... but in the times we live today and on a company that we do have many request from our clientes, gentoo is impossible... clientes get angry cause to do something we take so long... like example, reinstalling firefox... openoffice... is apain
| |
| 13:24 | <Kyle__> But that's for personal use, not work.
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| 13:24 | <johnny> i enjoyed my time spent actually buind a system
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| 13:24 | <Kyle__> Anyway.
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| 13:24 | <johnny> [GuS], then yes.. make your boss do it
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| 13:24 | <_UsUrPeR_> DanaG: any luck?
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| 13:24 | <Kyle__> Is NBD_TYPE[0] contains unknown value a big problem? A red herring?
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| 13:24 | <johnny> never heard of it
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| 13:24 | you didn't say how you duplicated anything
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| 13:24 | did you rerun ltsp-build-client?
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| 13:25 | did you make sure to set --arch i386 if your clients are i386
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| 13:25 | [GuS], i wrote teh gentoo ltsp support because i wanted to understand how ltsp worked
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| 13:25 | but it does require a real maintainer nowadays..
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| 13:25 | <Kyle__> I copied over my ltsp-build-client.config, ran ltsp-build-client.
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| 13:25 | <johnny> maybe when i get a new computer i can do that
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| 13:25 | <[GuS]> johnny: indeed...
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| 13:26 | <johnny> i'm using a pentium-m 1.5mhz
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| 13:26 | <Kyle__> Humm. I think thats in th e config file, but I didn't specify it on the CLI. lemmie try that.
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| 13:26 | <johnny> with 1GB ram
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| 13:26 | i never did enough to need a config file
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| 13:26 | [GuS], my ltsp install is on ubuntu
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| 13:26 | at my store, we use em for public internet terminals
| |
| 13:27 | <[GuS]> so... back to scanners.. since my boss is telling me that he make possible to work scanners years ago :P... i must use LOCALAPPS for that?
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| 13:27 | <Kyle__> I'm probably not doing enough to _need_ a config file either, but I'm trying to keep it documented.
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| 13:27 | <johnny> but mostly because ubuntu was already there
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| 13:27 | [GuS], well with hp scanners , the hp driver, and saned, it might work
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| 13:27 | <[GuS]> johnny: yeah, indeed... i use debian/kubuntu everywhere... today i dont have time for this shi...*
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| 13:27 | <johnny> i wouldn't recommend kde
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| 13:27 | gnome works better with ltsp
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| 13:27 | <[GuS]> is why i losee to much time in my work try to make gentoo work...
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| 13:27 | johnny: well, is not the case here
| |
| 13:27 | <johnny> [GuS], yes.. i don't think it's fair for you to use it, if you don't already know the gentoo tricks
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| 13:28 | <[GuS]> johnny: well, i've started to work since 6 months here as linux admin... i've used many distros.. and g entoo not much... but even if you know gento tricks... you use a lot of time on it
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| 13:28 | which for me, and more for the clients... is not good
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| 13:28 | <johnny> well at that point you'd setup distcc and reuse binary packages
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| 13:28 | then compiling stuff is easier
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| 13:29 | <[GuS]> and now here gave me the task to make LTSP5 works with everything (currently we use ltsp4.2). I wonder if he was thiking that sound,local devices and scanners would work with ltsp5 by miracle :P
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| 13:29 | well, we use a full stage4 with all packages.
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| 13:29 | <johnny> well, they did the last time i tried :)
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| 13:29 | exept teh scanners
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| 13:30 | my computer just can't run gentoo
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| 13:30 | i got rid of my desktop machinee
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| 13:32 | * [GuS] getting tired with ltsp in gentoo :( | |
| 13:34 | <DanaG> _UsUrPeR_: my thing worked after adding the [default] header.
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| 13:34 | Thanks.
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| 13:35 | <_UsUrPeR_> oh, yeah. that's required :)
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| 13:38 | <DanaG> though, it's odd... when I set volume to "66", it ends up at more like 70.
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| 13:38 | er, 67, rather, ends up at like 70.
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| 13:40 | <_UsUrPeR_> some settings in alsa (from what I recall) can only operate at 10% increments.
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| 13:40 | that may be the case with that specific setting
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| 13:44 | <DanaG> In alsamixer, it works fine at 67.
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| 13:46 | <_UsUrPeR_> huh
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| 13:51 | <DanaG> ... and setting it to "66"... results in it being set to 67.
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| 13:53 | <DanaG> SO it looks like an off-by-one error, combined with rounding up.
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| 14:16 | <Kyle__> Drat. I rebuilt the image, still getting the same error.
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| 14:19 | <johnny> start over..
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| 14:22 | <Kyle__> Yea, doing so. The server here is 32bit, I'm building in the standard place... so would I need any extra options to ltsp-build-client?
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| 15:10 | <johnny> no.. not really
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| 15:21 | <DanaG> Say, can nbdroot use dns to resolve a name?
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| 15:22 | <alkisg> fly23: did you solve the monitor problem? You just need to use XRANDR_MODE_0 in lts.conf...
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| 15:22 | <Kyle__> Rebuilding it fixed it. Weird. No idea wh at was _really_ wrong.
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| 15:58 | <DanaG> Weird... trying to chroot into the ARM thing isn't working on the computer the thing is going to end up on.
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| 15:58 | Works fine on my Core 2 Duo; the non-working one is "Pentium Dual-Core" -- looks like no VT.
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| 15:59 | oh wait, I copied 64-bit qemu-arm-static... silly me.
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| 16:42 | <DanaG> Say, how do I make an ltsp system be able to read from a client-local /dev/ttyUSB0?
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| 16:44 | <fly23> alkisg: i don't trust xrandr, but a fixed resolution for each MAC-addr did the job
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| 16:44 | <Kyle__> Does anyone here use actual thin-clients to connect to LTSP, instead of desktops/laptops?
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| 16:45 | <alkisg> fly23: there's X_MODE_0 if you don't like xrandr, but the best way would be to specify the monitor frequencies, if you have the time for this. Then you wouldn't need to specify the resolution, it would just work.
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| 16:45 | (X_VERTREFRESH and X_HORZSYNC)
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| 16:46 | * alkisg prefers XRANDR_MODE_0 to X_MODE_0 because it allows apps such as tux* or games to change the resolution on the fly) | |
| 16:47 | <alkisg> Kyle__: most people here do. Personally I'm using mostly desktops and laptops though, I only have 1 real thin client.
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| 16:48 | DanaG: you mean plugging a usb stick on a client? it should work automatically with ltspfs...
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| 16:48 | (urm, I don't know about armel though)
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| 16:49 | <Kyle__> Hum.
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| 16:50 | <DanaG> No, not flash drive, but rather, usb-serial.
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| 16:50 | <DanaG> Or alternately, I need a reliable way to have something run locally, read from ttyUSB0, and feed to xdotool.
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| 16:51 | <Kyle__> DanaG: for connecting to microcontrollers?
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| 16:51 | * Kyle__ doesnt' know what else you'd really use them for on a thin-client... | |
| 16:51 | <DanaG> Rather, an RS232 keypad.
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| 16:51 | <Kyle__> DanaG: Maybe just check the permissions of the /dev/ node, and add the user to the appropriate group?
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| 16:51 | or modify the udev script.
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| 16:53 | * Kyle__ podners. | |
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| 17:11 | <mistik1> Gadi: what's up man
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| 17:13 | * Kyle__ grumbles. Always remember the difference betwen date +%S and date +%s when writing one liners. | |
| 17:14 | <DanaG> argh, server doesn't see ttyusb from client.
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| 17:15 | "a new version of the system is available, rebooting in 10s"
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| 17:15 | what was that about?
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| 17:16 | <alkisg> That's when a new nbd image is created with ltsp-update-image
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| 17:17 | How would that keypad thing work locally? I mean, how it would send events to X?
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| 17:17 | (without ltsp)
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| 17:19 | <DanaG> I'd probably use xdotool.
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| 17:19 | xdotool key a
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| 17:19 | xdotool key 1
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| 17:20 | (using what was read from serial).
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| 17:20 | <alkisg> So why not run the same script locally?
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| 17:20 | Why does the server need to be involved?
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| 17:21 | <alkisg> You need to run xdotool like you did x11vnc, so that it has access to the X display, but other than that it should work, no?
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| 17:22 | <DanaG> That would work, too.
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| 17:23 | I could just run it with sudo -u whatever
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| 17:23 | <alkisg> Or with ltsp-localapps script
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| 17:24 | (if the user has access to ttyusb)
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| 17:26 | <DanaG> hmm, I tried setting auto-login, and it's not working...
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| 17:27 | odd.
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| 17:28 | <alkisg> You need LDM_AUTOLOGIN, LDM_USERNAME and LDM_PASSWORD
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| 17:29 | <DanaG> I have all three. Also, logging in to serial console as that user isn't working.
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| 17:29 | Is the ldm user supposed to exist on the server directly, or within the chroot?
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| 17:30 | <alkisg> On the server
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| 17:30 | So logging in locally won't work.
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| 17:31 | <DanaG> hmm, it worked when I had a user named ltsp-user, yet I created a new user, and that doesn't work.
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| 17:31 | Or rather, local seems to work only after LDM login.
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| 17:32 | oh, user doesn't exist...
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| 17:32 | wait, that's in chroot.
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| 17:32 | <alkisg> You shouldn't need to have local users
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| 17:32 | When you use localapps (=enabled by default) the user that logs in on ldm is copied to the thin client /etc/passwd
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| 17:33 | But that's only temporary, no accounts normally exist on the chroot
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| 17:34 | <DanaG> expect saw: ltsp126@10.0.0.50's password:
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| 17:34 | expect saw:
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| 17:34 | ah, wrong user.
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| 17:34 | or rather, wrong var name, probably..
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| 17:34 | ah, I had "user", not "username"
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| 17:42 | <DanaG> Now, if I select "reboot" in the client, will it reboot just the client?
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| 17:42 | If it rebooted the server, that'd be a bug....
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| 17:44 | <alkisg> It'll just logout
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| 17:44 | I've uploaded a patched gnome-session to my ppa that properly reboots the client
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| 17:44 | <alkisg> https://launchpad.net/~ts.sch.gr/+archive/ppa/
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| 17:47 | <DanaG> hmm, can't resolve ports.ubuntu.com.
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| 17:49 | <alkisg> the gnome-session package should be updated on the server, not on the chroot
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| 17:50 | <DanaG> ah, server's main OS is Lucid; chroot is Maverick (for 35 kernel).
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| 17:55 | <DanaG> ah, resolv.conf.
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| 18:10 | ah, ltsp-localapps
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| 18:10 | has to be run from logged-in ltsp desktop.
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| 18:19 | <DanaG> well, that's weird... LTSP session just hung.
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| 18:20 | That's weird... even without console=tty0, it still shows messages on tty0.
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| 19:13 | <pfloyd37> Hello. I am trying to install ltsp onto CentOS. Following the instructions from the Fedora link do not work because it appears to not be in any CentOS repositories. Can anyone point me in the right direction?
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| 19:23 | <alkisg> Heh... http://www.adobe.com/support/security/bulletins/apsb10-16.html ==> a lot of fixes about multiple memory corruption vulnerabilities... I wonder if flash will be just a little more stable after that :)
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| 21:06 | <LedHed> I have a LTSP server thats been running fine for a while now. I have to change the IP. When I changed the IP on the server (and set the new IP as the boot server on the DHCP server) the clients boot, but the LDM never comes up, it just goes black. Other than changing the interface IP and the DHCPd settings where else might I have to change the IP address?
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| 21:30 | <johnny> LedHed, you need to run ltsp-update-sshkeys && ltsp-update-image --arch i386
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| 21:41 | <LedHed> johnny, thank you! you are a life saver.
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