IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 29 July 2010 (all times are UTC)
| 00:06 | sweetpi has quit IRC | |
| 00:27 | <map7> Is it possible for clients to burn using their cd burner within their thin client?
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| 00:36 | <johnny> not really
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| 00:36 | perhaps someday
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| 00:36 | it's a hard problem to solve
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| 00:36 | <map7> what about if I run the program as a local app?
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| 00:36 | <johnny> yes, then you can
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| 00:37 | it should see the local device, but then where are the files :)
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| 00:37 | just make sure the file chooser can perhaps point them in the right direction
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| 00:37 | instead of shoving them off in / instead of /home/user
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| 00:37 | <map7> ok but what about permissions, is there anything I have to change in the chroot relating to permissions?
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| 00:38 | <johnny> chroot i don't think so
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| 00:38 | i'm just trying to imaging where the files are going to go , (the temp cd files)
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| 00:38 | it defaults to /tmp, but temp on the client is mounted in ram
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| 00:38 | * johnny is still waiting for the xdg user temp file spec | |
| 00:39 | <map7> I have installed brasero and xcdroast as local apps but they cannot see my cd/dvd burner
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| 00:39 | <johnny> hmm.. they should be able to see your drive...
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| 00:39 | if you run a local terminal, can you see the drive?
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| 00:39 | <map7> yes
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| 00:39 | and if I put in a CD with something on it I can read it through gnome
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| 00:39 | <johnny> try burning it with cdrecord if you know how
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| 00:39 | get that working first
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| 00:39 | that way you'll know what the problem is quicker
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| 00:40 | <map7> cdrecord as a local app?
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| 00:40 | <johnny> probably best to try with some iso
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| 00:40 | yes
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| 00:40 | try with an ubuntu iso
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| 00:40 | iso recording is easier with cdrecord than trying to assemble it yourself
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| 00:40 | * johnny doesn't like the cli interface to cdrecord | |
| 00:40 | <map7> ok yeah I've played with the cdrecord
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| 00:41 | <johnny> and?
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| 00:41 | oh.. before.. not this time with local apps :)
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| 00:41 | <map7> I mean I've played with it before yeah
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| 00:41 | <johnny> sorry.. i'm kind of in the middle of other stuff at the the same time :(
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| 00:41 | but i'll try to check back in a few
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| 00:42 | brasero seems like it wouldn't be the best to run locally :(
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| 00:42 | apps that use gconf tend to have problems that require manual work to correct
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| 00:53 | <map7> cdrecord finds the device
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| 00:53 | <johnny> but will it burn?
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| 00:53 | if you hae a spare...
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| 00:54 | <map7> it seems to be, the write light is flicking away
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| 00:57 | <johnny> hmm.. well cdroast should work then too
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| 01:03 | <map7> ok well the problem I'm having with xcdroast is permissions, I'm reading the readme now
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| 01:04 | The burning completed and I've checked the contents of the CD and it worked with cdrecord fine.
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| 01:17 | ok looks like xcdroast has a bug in it still under Ubuntu
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| 01:18 | johnny can you recommend any other cd burning program which may work on the thin client?
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| 01:18 | <johnny> does it work normally?
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| 01:19 | on a non thin client?
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| 01:19 | <map7> no
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| 01:19 | https://bugs.launchpad.net/ubuntu/+source/xcdroast/+bug/380144
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| 01:19 | I found that and it looks like I've got the same error
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| 01:21 | <johnny> ah, well that would probably work if it was fixed :)
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| 01:21 | you're going to have the best luck with applications that don't depend on a desktop environment
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| 01:22 | you could try k3b locally.. it might potentially look better
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| 01:22 | but then you have install most of kde to your chroot
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| 01:22 | <map7> so basic frontends for command line tools
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| 01:23 | <johnny> map7, well gconf gives us alot of trouble, i'm glad gnome folks are making it possible to work without out
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| 01:24 | map7, in my situation, i just decided it'd be better to go the thick/fat client way
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| 01:24 | of course, that's only possible if you have a decent amount of ram
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| 02:34 | <nesusvet> hello guys
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| 02:35 | <nesusvet> i have some trouble with kernel after loading
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| 02:35 | <nesusvet> i mean "kernel panic"
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| 02:38 | I am using ubuntu 10.04
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| 02:38 | when i will try to load kernel from HDD, everything is ok
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| 02:38 | but over LTSP everything is bad
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| 02:41 | <alkisg> nesusvet: do other clients boot OK?
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| 02:41 | <nesusvet> yes
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| 02:41 | Jul 28 12:06:39 PXEServer in.tftpd[16778]: RRQ from 10.10.80.140 filename /ltsp/amd64/vmlinuz
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| 02:41 | Jul 28 12:06:39 PXEServer in.tftpd[16779]: RRQ from 10.10.80.140 filename /ltsp/amd64/initrd.img
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| 02:41 | <alkisg> So it's probably an issue with the specific network module?
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| 02:41 | Any other messages besides "kernel panic"?
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| 02:42 | <nesusvet> nothing
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| 02:42 | whait
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| 02:42 | sorry for my bad english
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| 02:43 | Kernel panic - not syncing: Attempt to kill init
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| 02:43 | <alkisg> No I mean before that line
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| 02:43 | <nesusvet> nothing
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| 02:43 | <alkisg> Do you know what network card that client has?
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| 02:44 | <nesusvet> pls wait, i will try to ask my assistant. I am not near with client
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| 02:49 | maybe i can to find the name something in shell
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| 02:49 | maybe dmesg
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| 02:50 | <alkisg> You get a shell on the client? after kernel panic?!
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| 02:50 | <nesusvet> Broadcom NetXtreme II BCM5709 1000Base-SX (C0) PCI Express found at mem da000000, IRQ 36,
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| 02:50 | The base part the same as client
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| 02:51 | <alkisg> Is that on the server? Which module does that use? (lspci -k)
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| 02:51 | <nesusvet> yes it on the server
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| 02:52 | bnx2
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| 02:52 | <alkisg> (and is that the same network card as the client?)
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| 02:52 | <nesusvet> yes
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| 02:54 | <alkisg> OK, you need to add that module to the client initrd.img
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| 02:54 | https://help.ubuntu.com/community/UbuntuLTSP/AddingModules
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| 02:56 | <nesusvet> thanks a lot i will try
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| 03:02 | the sudo chroot /opt/ltsp/i386/ /usr/share/ltsp/update-kernels does't work
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| 03:03 | there is no file in the directory /usr/share/ltsp/update-kernels
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| 03:03 | can i make only sudo ltsp-update-kernels
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| 03:03 | ?
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| 03:03 | i have made sudo chroot /opt/ltsp/i386/ update-initramfs -u
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| 03:05 | <alkisg> You should have a file /opt/ltsp/i386/usr/share/ltsp/update-kernels
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| 03:06 | So you should be able to chroot and run it
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| 03:06 | <nesusvet> i see only this file
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| 03:06 | update-alternatives update-fonts-dir update-icon-caches update-mime update-passwd update-usbids
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| 03:06 | update-bootsystem-insserv update-fonts-scale update-inetd update-mime-database update-pciids
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| 03:06 | update-ca-certificates update-gdkpixbuf-loaders update-initramfs update-mime-database.real update-rc.d
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| 03:06 | update-fonts-alias update-gtk-immodules update-locale update-pangox-aliases update-rc.d-insserv
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| 03:06 | <alkisg> It belongs to ltsp-client-core, you can't have ltsp without it
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| 03:06 | <nesusvet> ahh ok
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| 03:07 | <alkisg> Don't forget the chroot command in front
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| 03:07 | In other words, just paste the whole command, don't write it :)
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| 03:08 | <nesusvet> thanks
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| 03:12 | i have installed ltsp-client-core but i still can't find update-kernels
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| 03:12 | :(
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| 03:13 | what i did wrong
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| 03:13 | /opt/ltsp/i386/usr/share/ltsp/update-kernels - nothing
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| 03:14 | <alkisg> nesusvet: you don't need to install ltsp-client-core, it's automatically installed when you run ltsp-build-client
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| 03:14 | Do you have an i386 chroot or an amd64 chroot?
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| 03:14 | <nesusvet> yes
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| 03:14 | <alkisg> What do you get with this command?
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| 03:14 | <nesusvet> amd64
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| 03:14 | <alkisg> That's why there's no i386 then...
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| 03:15 | What do you get with: ls -l /opt/ltsp/*/usr/share/ltsp/
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| 03:15 | Paste the output in pastebot
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| 03:15 | !pastebot
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| 03:15 | <ltspbot`> alkisg: "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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| 03:15 | <nesusvet> http://ltsp.pastebin.com/8PNiEgU1
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| 03:16 | <alkisg> OK, see the update-kernels there?
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| 03:16 | That's the one...
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| 03:16 | So ok just run this: sudo chroot /opt/ltsp/amd64 /usr/share/ltsp/update-kernels
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| 03:17 | The same for the other commands too
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| 03:17 | You need to substitute i386 with amd64
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| 03:17 | ogra_cmpc has quit IRC | |
| 03:17 | <nesusvet> the same
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| 03:17 | denis@PXEServer:/opt/ltsp$ sudo chroot /opt/ltsp/amd64 /usr/share/ltsp/update-kernels
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| 03:17 | Skipping yaboot configuration. install yaboot package if you need it.
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| 03:17 | Skipping etherboot images. Install the mkelfimage package if you need them.
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| 03:17 | <alkisg> That's succesful output, the command ran OK
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| 03:18 | <nesusvet> ahh ok
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| 03:18 | :)
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| 03:18 | starnge output
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| 03:19 | strange output
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| 03:22 | Thanks it's working
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| 03:23 | <alkisg> You're welcome
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| 08:06 | * vagrantc ponders how people can reply directly to the right post and have it end up in the wrong thread... | |
| 08:07 | <vagrantc> how do you *do* that?
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| 08:12 | <_UsUrPeR_> vagrantc: I have been having a lot of trouble with corrupted .deb packages being downloaded from dists recently. has this been an issue for you at all?
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| 08:12 | <vagrantc> nope
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| 08:12 | <_UsUrPeR_> it's been like this about 2 days for me
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| 08:12 | hmm. ok
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| 08:12 | thanks
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| 08:12 | <vagrantc> what mirror?
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| 08:12 | <_UsUrPeR_> main server
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| 08:13 | ubuntu 10.04 x64
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| 08:13 | hmm
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| 08:13 | ok, so I have switched interfaces on the server I am working on, I have switched internet service providers in our office, and I have switched network cables
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| 08:13 | but I am still getting hash errors
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| 08:13 | what does that sound like to you?
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| 08:14 | <vagrantc> saw a problem a few days back with broken packages in the ubuntu archive
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| 08:14 | <_UsUrPeR_> ahh
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| 08:14 | <vagrantc> but sounds like this is an entirely different problem
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| 08:14 | <_UsUrPeR_> because right now, I can't run ltsp-build-client without having corrupt .deb packages
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| 08:14 | <vagrantc> i.e. the mirror was doing it's job fine, the content it was serving was borked
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| 08:15 | <_UsUrPeR_> yeah
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| 08:15 | I had that a couple days ago
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| 08:15 | <vagrantc> but that was just with the kernel package having impossible dependencies
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| 08:15 | <_UsUrPeR_> hmm. the issue I was having was also with the kernel package, but the md5sum check was coming back as incorrect
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| 08:15 | that actually just resolved itself yesterday for me
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| 08:15 | <vagrantc> _UsUrPeR_: you behind an http proxy? transparent or otherwise?
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| 08:16 | <_UsUrPeR_> no. As a test, I put this directly off our router on our backup internet connection
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| 08:16 | which is through a cable company. There isn't even a firewall in the way
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| 08:17 | * vagrantc hunts down breakfast | |
| 08:17 | <vagrantc> good luck
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| 08:18 | <_UsUrPeR_> thanks
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| 09:07 | <grantk> is it possible to turn off the splash screen on a client boot? I am trying to get ldm load balancing working properly and keep getting a hanging splash screen with one version of an ldm load balancing script.
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| 10:55 | <grantk> does ltsp-update-image leave copies of old images around anywhere?
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| 10:56 | <muppis> Nope.
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| 10:56 | <grantk> thanks muppis
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| 10:57 | <muppis> No problem.
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| 11:07 | <johnny> grantk, sure.. remove quiet splash from the pxelinux.cfg/default file
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| 11:08 | <grantk> oh cool, thanks johnny, will get to it, filled up the drive right now so I am hunting some large files down.
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| 11:26 | <knipwim> johnny: time for a quick question?
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| 11:28 | cause the funtoo stages are no longer offered in tar.bz2 format, but in tar.xz
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| 11:28 | we still offer a fallback stage download for those
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| 11:29 | but quickstart has no support for tar.xz
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| 11:29 | so i was thinking, either remove the funtoo fallback
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| 11:29 | or make some changes in quickstart
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| 11:31 | i prefer to remove the funtoo fallback, because it's incompatible with ltsp anyway
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| 11:35 | <redbaritone> I'm interested in building my own thin clients, but Googling for pertinent web sites is fruitless, because any time you combine the words "build" and "linux", they're talking about building your own distribution. Are there any good web sites to go to, to find out what hardware people are using to build their own thin clients?
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| 11:36 | <grantk> I like intel atom mobos w/ a small case and some memory redbaritone
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| 11:36 | can come in around $130.00 if you do not need hardisk
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| 11:36 | <vagrantc> redbaritone: anything supported by the distro that has pxe boot should work
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| 11:37 | <johnny> redbaritone, just dont' add linux
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| 11:37 | the important thing is what video chipsets are there
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| 11:37 | everything else is usually pretty good
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| 11:37 | it's video that you have to worry about
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| 11:37 | <knipwim> i was thinking of HP's t5325 with ARM proc
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| 11:37 | <johnny> redbaritone, i just went with msi wind nettops
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| 11:37 | knipwim, sure, i agree
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| 11:38 | <knipwim> check
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| 11:38 | <johnny> knipwim, so are you hearing that dracut will be finished soon for gsoc?
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| 11:38 | <knipwim> yup
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| 11:38 | <redbaritone> It's just that I'm having a hard time finding _appropriate_ hardware. What case "style" should I use, mini-itx? I'll take individual link, but I'd prefer a good web site that has those links already.
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| 11:39 | <knipwim> i'm following aidecoe's blog
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| 11:39 | <redbaritone> Link?
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| 11:40 | Thanks for the tip on the video chipset. I'll watch out for that.
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| 11:42 | Is there a link to aidecoe's blog?
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| 12:32 | <grantk> Anyone know what shell runs get_hosts? I am getting errors with echo -e option.
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| 12:47 | <johnny> what shell?
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| 12:48 | get_hosts is an ltsp option, you probably set something invalid in your lts.conf
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| 12:48 | either that, or the code is buggin in the clustering case
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| 12:49 | <grantk> well, I guess I should not call it a shell, sorry, I was watching the boot logs and was seeing the get_hosts script fail with an error for echo -e
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| 13:12 | <redbaritone> I see an Intel BOXD510MO Intel Atom mini-itx Mobo on Newegg for $77. It has Intel GMA 3150 onboard video chipset. Has anyone here used this, or something similar to it, for building a thin client? Any problems? Other recommendations?
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| 13:28 | <atomic007za> hi
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| 13:30 | <atomic007za> I am getting an error when creating my thin clients
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| 13:30 | http://pastebin.org/428276
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| 13:31 | <atomic007za> seemingly a package is corrupt
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| 13:31 | how could I rectify this?
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| 13:32 | <muppis> Run sudo chroot /opt/ltsp/i386 apt-get update
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| 13:33 | <atomic007za> I am running a 64 bit OS with x86 clients.
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| 13:33 | so I can still do this?
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| 13:33 | <muppis> Yes.
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| 13:34 | <atomic007za> chroot: cannot run command `apt-get': No such file or directory
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| 13:34 | I get this
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| 13:35 | <muppis> Then there is something totally wrong under that directory.
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| 13:36 | Try aptitude instead of apt-get
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| 13:39 | <atomic007za> same thing
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| 13:39 | chroot: cannot run command `aptitude': No such file or directory
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| 13:39 | chroot: cannot run command `aptitude': No such file or directory
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| 13:40 | <muppis> Hmm..
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| 13:41 | <atomic007za> evn if I do: sudo cp /etc/apt/sources.list /opt/ltsp/i386/etc/apt/sources.list
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| 13:41 | I get: cp: cannot create regular file `/opt/ltsp/i386/etc/apt/sources.list': No such file or directory
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| 13:42 | <muppis> What you have under /opt/ltsp/i386 ?
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| 13:42 | <atomic007za> debootstrap/ var/
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| 13:43 | <muppis> Ouch..
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| 13:43 | <atomic007za> debootstrap/ and var/
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| 13:43 | is my sytem finished?
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| 13:43 | <muppis> Then there's no choice than try to run ltsp-build-image again.
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| 13:44 | <atomic007za> with or with out --arch i386
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| 13:44 | <muppis> With, if you want x86.
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| 13:45 | btw, you can put /etc/ltsp/ltsp-build-image.conf and /etc/lts/ltsp-update-image.conf line ARCH="i386" so you do not need remember use --arch i386 in command.
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| 13:46 | <atomic007za> cool will do it now
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| 13:50 | now I get this: http://pastebin.org/428316
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| 13:50 | <atomic007za> wait
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| 13:53 | I have a ltsp-build-client and a ltsp-update-image, but no ltsp-build-image. And if I run the ltsp-build-client I get the above error
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| 13:53 | should I have a ltsp-build-image?
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| 13:54 | <vagrantc> ltsp-update-image
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| 13:55 | <atomic007za> but I have no client
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| 13:55 | <vagrantc> sounds like ubuntu's mirrors are (hopefully temporarily) messed up
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| 13:56 | well, you start with ltsp-build-client ...
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| 13:56 | which downloads files from ubuntu's mirrors...
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| 13:56 | and the mirrors are seemingly broken...
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| 13:57 | <atomic007za> :-(
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| 13:58 | <muppis> atomic007za, my bad. Names of .conf -files are same as related program.
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| 13:58 | <atomic007za> np
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| 13:59 | vagranttc: So does this mean I cant build a client?
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| 13:59 | Is there a way I could try a different Mirror?
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| 14:00 | <muppis> fi.archive.ubuntu.com works.
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| 14:00 | <atomic007za> ok sorry, but how do I import that mirror?
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| 14:01 | <muppis> You must edit /etc/apt/sources.list
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| 14:01 | <atomic007za> I hav till the morning to fix this or they pull the plug
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| 14:01 | cool will start there
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| 14:02 | <alkisg> ltsp-build-client --extra-help|grep mirror
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| 14:03 | <muppis> Ah.. Forgot that one.
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| 14:09 | <atomic007za> am I doing somethng wrong? ltsp-build-client --arch i386 --mirror http://fi.archive.ubuntu.com
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| 14:13 | <muppis> ltsp-build-client --arch i386 --mirror http://fi.archive.ubuntu.com/ubuntu should work.
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| 14:15 | <atomic007za> http://pastebin.org/428381
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| 14:15 | ?
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| 14:16 | Is my system completely broken?
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| 14:16 | <muppis> Running with sudo ?
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| 14:17 | <alkisg> Try this, I just tried it and it works for me: sudo ltsp-build-client --arch i386 --mirror http://gr.archive.ubuntu.com/ubuntu
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| 14:17 | If it doesn't work for you, yeah there's something broken, e.g. the network or a proxy server or something
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| 14:19 | <atomic007za> job-working-directory: error retrieving current directory: getcwd: cannot access parent directories: No such file or directory
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| 14:19 | I can ping google
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| 14:20 | 64 bytes from patroklos.noc.ntua.gr (147.102.222.211): icmp_seq=1 ttl=46 time=536 ms
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| 14:21 | <alkisg> In which directory you are, when running this?
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| 14:21 | <atomic007za> can even ping gr.archive.ubuntu.com
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| 14:21 | <alkisg> shell-init: error retrieving current directory: getcwd: cannot access parent directories: No such file or directory ==> maybe try running it while on root ? /
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| 14:21 | <atomic007za> will do
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| 14:21 | <alkisg> Or, maybe you need an fsck? :)
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| 14:23 | Or it may be a permissions problem in your directories, e.g.: http://www.impsec.org/pipermail/esd-l/2000-November/000158.html
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| 14:23 | ...and http://www.impsec.org/pipermail/esd-l/2000-November/000160.html
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| 14:24 | <atomic007za> http://pastebin.org/428392
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| 14:24 | will look
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| 14:26 | I am logged in as root
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| 14:41 | <wurzzero> Hi...
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| 14:41 | If my server don't work in the ssh port 22, i need to chroot, configure the right port in the /etc/ssh/ssh_config? or there is other way?
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| 14:41 | <alkisg> ssh is on the server, not the chroot
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| 14:42 | <wurzzero> i know
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| 14:42 | <alkisg> So, /etc/ssh/sshd_config on the server, notthe chrot
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| 14:42 | Aaaah sorry
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| 14:42 | I misunderstood
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| 14:42 | <alkisg> man lts.conf ==> LDM_SSHOPTIONS
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| 14:42 | !lts.conf
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| 14:42 | <ltspbot`> alkisg: "lts.conf" :: http://manpages.ubuntu.com/lts.conf
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| 14:43 | <wurzzero> but got another day the erro 'No response from server, restarting...' and it works only doing the chroot....the 'ltsp-update-sshkeys' didn't work ...
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| 14:44 | <vagrantc> SSH_OVERRIDE_POTR
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| 14:44 | in lts.conf can be used for an alternate ssh port on the server
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| 14:44 | <alkisg> wurzzero: ok let's start over. Do you want to use another port, or you're just having a problem logging in on the clients?
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| 14:45 | <wurzzero> lets go, my server works on the port 2200, the client can't connect, the error is 'No response from server, restarting...'
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| 14:46 | <alkisg> OK, then do what vagrantc said
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| 14:46 | <wurzzero> all right...
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| 14:46 | tanks alkisg and vagrantc!
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| 15:05 | <atomic007za> Still no luck here, not file perissions, and ran fsck
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| 15:06 | Can I clear the cache somehow?
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| 15:07 | <vagrantc> atomic007za: rm -rf /opt/ltsp/i386 (presuming you were building an i386 chroot)
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| 15:07 | make sure nothing is mounted under there!
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| 15:09 | <atomic007za> ok done
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| 15:09 | nothing mounted
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| 15:09 | <vagrantc> it should fail to even try to install if that's still there...
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| 15:10 | <atomic007za> correct it does if there is something there.
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| 15:10 | it come up with folder i386 exists
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| 15:10 | but I have deleted it mant time
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| 15:11 | ls -la /opt/ltsp/
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| 15:11 | total 8
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| 15:11 | drwxr-xr-x 2 root root 4096 2010-07-29 22:08 .
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| 15:11 | drwxr-xr-x 4 root root 4096 2010-07-29 21:19 ..
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| 15:12 | I then run : sudo ltsp-build-client --arch i386 --mirror http://gr.archive.ubuntu.com/ubuntu
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| 15:13 | and get: http://pastebin.org/428641
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| 15:15 | <vagrantc> atomic007za: maybe a bad proxy ... maybe bad ram on your server?
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| 15:15 | atomic007za: would your ISP be doing an http proxy?
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| 15:18 | <atomic007za> no proxy here, no, no http proxy on ISP
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| 15:19 | <vagrantc> atomic007za: i'd take down your server for a memtest...
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| 15:19 | <alkisg> atomic007za: if you download http://gr.archive.ubuntu.com/ubuntu/dists/lucid/main/binary-i386/Packages.bz2 and you run md5, what's the result?
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| 15:20 | <vagrantc> might also be a bad network card, bad network cable, bad switch/hub
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| 15:20 | <alkisg> atomic007za: $ md5sum Packages.bz2
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| 15:20 | fbfcc35c9e642741a40a63a8cb0d5b39 Packages.bz2
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| 15:21 | and, if you then run `bzip2 -d Packages.bz2`, does it work ok?
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| 15:22 | <atomic007za> 5c4f33c563d3c809764c7439ecd0f575 Packages.bz2
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| 15:22 | <alkisg> Ugh
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| 15:22 | Yeah, that looks bad
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| 15:23 | <atomic007za> bzip2: Packages.bz2 is not a bzip2 file.
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| 15:23 | memory?
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| 15:24 | <alkisg> cd /tmp; wget http://gr.archive.ubuntu.com/ubuntu/dists/lucid/main/binary-i386/Packages.bz2 && ls -l Packages.bz2
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| 15:24 | What size is it?
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| 15:24 | 1386205
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| 15:24 | <atomic007za> -rw-r--r-- 1 root root 2610 2010-07-29 22:24 Packages.bz2
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| 15:25 | <alkisg> Did wget complain about a broken connection?
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| 15:25 | <atomic007za> no
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| 15:25 | <alkisg> vi that file
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| 15:25 | Is it a text file?
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| 15:26 | <atomic007za> yes
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| 15:26 | <alkisg> Can you pastebin it?
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| 15:26 | <atomic007za> and I can read it
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| 15:26 | ok
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| 15:27 | wait
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| 15:35 | I am a schmuk, sorry
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| 15:35 | ten head slaps for me
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| 15:35 | Its working
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| 15:36 | thks alkisg
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| 15:36 | <alkisg> atomic007za: what was it? some proxy with authentication?
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| 15:37 | <atomic007za> you were right, but it was not my ISP, It was the firewall redirecting all webtraffic to a content filter
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| 15:37 | <alkisg> ok
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| 15:37 | Good luck with the rest of the installation :)
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| 15:37 | <atomic007za> thanks
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| 15:58 | <vagrantc> sdfkjgsdlfkjg
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| 15:59 | i don't know how many times i thought i said i think that's a proxy issue...
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| 16:07 | <alkisg> Insistence. A necessary virtue for both teachers and support personnel. :D
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| 16:31 | <atomic007za> anyone know how toturn off flowcontrol for a realtek 8169 gig NIC?
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| 16:32 | ethtool doesnt work
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| 16:32 | <alkisg> No can't do
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| 16:32 | The realtek driver doesn't yet support it
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| 16:32 | <atomic007za> damn
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| 16:32 | <alkisg> If you compile some version from their site and manage to do it, I'm all ears
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| 16:32 | I've been advicing teachers here to buy intel instead
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| 16:32 | (7 € vs 25 €)
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| 16:32 | <atomic007za> ic
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| 16:33 | <alkisg> If you have a good managed switch maybe that supports turning off flow control
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| 16:34 | <atomic007za> ok well I have 2 , and I think I migt have chatted to you the other night when I was not sure if the network was actually running @ a gig speed
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| 16:34 | damn
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| 16:34 | <alkisg> netperf or iperf running locally on the client is the best way to verify
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| 16:35 | Each client should be able to cause 100 mbps of traffic, up to 10 clients
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| 16:35 | So if with 3 clients running netperf you only get 100mbps, then flow control is on...
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| 16:36 | (as opposed to 300 mbps, measured on the server nic)
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| 16:36 | <atomic007za> so I run it on the thin client and watch iftop on the server?
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| 16:36 | ic
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| 16:37 | <atomic007za> will look after my thin client is rebuilt
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| 16:38 | <alkisg> Either iftop or the netperf server
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| 16:38 | (you need the netperf or iperf server anyway...)
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| 16:38 | <atomic007za> ok, I will install it
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| 16:39 | just hope they are not running @ 10 mbps
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| 16:39 | <alkisg> Heh
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| 16:39 | <atomic007za> clints were so slow the other day
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| 16:39 | *clients
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| 16:39 | <alkisg> flow control == off is totally worth giving 25 € to buy an intel nic for the server. It'll speed up the network 10 times.
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| 16:40 | <atomic007za> was counting the dots when when vmlinuz was loading
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| 17:15 | <nutron> Slowly deplying a bunch of thin clients throughout the office and I deal with issues as they arrive... The latest one is running a local app which links to others, namely iceweasel (firefox). It links to evince for PDF's etc. The latest is icedove (thunderbird), when you click a link it cannot open your mail client for obvious reasons (it's remote on the app server). Is there a workaround for this situation apart from installing it lo
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| 17:15 | cally?
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| 17:22 | <alkisg> Associate mail links with `ltsp-remoteapps thunderbird` ?
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| 17:22 | (never done it, I'm using fat clients instead of localapps, but it should be doable...)
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| 17:24 | <nutron> alkisg: ahh very nice!
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| 17:30 | thanks, I'll go look at fondling my way out of this one :)
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| 18:36 | <atomic007za> alkisg: I have a gig network
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| 18:36 | <alkisg> atomic007za: so?
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| 18:36 | Are your clients gigabit?
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| 18:36 | <atomic007za> but if the flow control is on
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| 18:37 | does it still limit me as far as my 100mbps clients go
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| 18:37 | <alkisg> Flow control is only a concern on mixed gigabit / 100mbps networks
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| 18:37 | If _everything_ is gigabit, you don't need to bother with it
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| 18:37 | But if your clients are 100mbps, then it's a problem
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| 18:38 | <atomic007za> ok, so if I upgrade to intel nics I will see a even faster boot up?
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| 18:39 | (and turn flow ontrol off
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| 18:39 | )
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| 18:39 | *control
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| 18:39 | <alkisg> So, what clients do you have? gigabit or 100mbps?
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| 18:39 | <atomic007za> 100
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| 18:39 | <alkisg> So you don't have a gig network
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| 18:39 | You'll see 10x times faster network speeds
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| 18:39 | How many clients do you have now?
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| 18:40 | <atomic007za> switches and server is, 35 clients
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| 18:40 | switches and server is gig , 35 clients(100mbps)
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| 18:40 | <alkisg> OK, if you boot 4 clients now and see the speed,
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| 18:40 | ...and then turn flow control off and boot all the 35 clients,
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| 18:40 | the speed will be about the same
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| 18:41 | <atomic007za> no 4 clients now are fast, 35 slows down
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| 18:41 | <alkisg> Right. So they'll be about 10 times faster.
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| 18:41 | <atomic007za> cool
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| 18:41 | <alkisg> (network speed, not cpu-wise)
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| 18:41 | (i.e. boot speed will be like when you boot 4 clients now)
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| 18:42 | <atomic007za> cpu i7, 35 pc it sits @ 15%
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| 18:42 | wow
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| 18:42 | <alkisg> No I mean the client cpu
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| 18:42 | <atomic007za> oh
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| 18:42 | range from cel1.6 and up
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| 18:42 | <alkisg> E.g. some really fast clients I have boot in 13 seconds
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| 18:42 | ...while ancient ones need 1.10
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| 18:43 | <atomic007za> oh ok I see what you mean
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| 18:44 | want to try booting 4 slow pc now to see, will be intersting test
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| 18:44 | <alkisg> Right, that's the speed you'll see later on when you turn off flow control while booting all the 35 clients at once
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| 18:45 | <alkisg> (and of course the same goes for working with firefox, flash, video etc)
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| 18:49 | <atomic007za> ok, any specific intel? is there a flowcontrol white lis?
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| 18:49 | *list
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| 18:51 | <alkisg> Nah, I tried to start one in that wiki page but only one person contributed
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| 18:51 | I guess all intels would do though
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| 18:53 | <atomic007za> ok
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| 18:53 | <alkisg> A broadcom I have on my laptop also works, and any realtek I've tried doesn't. That's about all I've tested.
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| 18:54 | (I think I tested 2 intels but I don't remember the models)
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| 18:55 | atomic007za: btw, if you buy one and it works, please ping me so that I note down the model...
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| 19:02 | <atomic007za> will do;)
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| 19:05 | what maintenace needs to be done on the server. eg, the users do a hard shutdown @ the end of the day, do I have to clear temp files?
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| 19:08 | <alkisg> Their processes should be killed after 2 hours
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| 19:08 | Except for some evolution-server stuff which you'd need to manually kill
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| 19:08 | Temp files are only a problem if you enable NBD_SWAP, at least that I know of
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| 19:16 | <atomic007za> I have not played around to much so if its not up by default then its not enbled
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| 19:16 | and is there a way I can make them more ligt weight?
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| 19:16 | *light
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| 19:20 | <alkisg> What do you mean?
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| 19:20 | What are your client specs? cpu/ram?
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| 19:24 | <atomic007za> very old to fairly new. ;) no, just "tweaks" examples would be the fade inscreens
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| 19:25 | will get some specks for you
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| 19:28 | <atomic007za> smallest seems to be 1.7 cel, 128m RAM
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| 19:28 | <alkisg> You could make a fat chroot which would automatically boot the low-end clients as thin, and the high-end as fat, offloading CPU from your server
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| 19:29 | That would require maintaing programs inside the chroot, but imho it's worth the effort
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| 19:30 | <atomic007za> will look into it
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| 19:31 | and ndb is the way to go, not nfs
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| 19:31 | ?
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| 19:31 | <alkisg> NBD is faster. NFS is handy if you need to do a lot of chroot changes, e.g. while debugging etc
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| 19:32 | https://help.ubuntu.com/community/UbuntuLTSP/FatClients
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| 19:33 | <atomic007za> awesome, and I can have thin and fat clients running next to each other?
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| 19:34 | <alkisg> Sure, and also automatically
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| 19:34 | I have clients with < 500 mb ram booted as thin and > 500 as fat
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| 19:35 | * alkisg is reading about disabling flow control on realtek nics... http://osdir.com/ml/linux.drivers.realtek.devel/2002-09/msg00045.html | |
| 19:37 | <alkisg> This looks even better: http://www.scyld.com/pipermail/realtek/2002-September/001523.html
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| 19:47 | <alkisg> Hmm and the r8168 sources from the site seem to disable flow control...
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| 19:47 | * alkisg needs to try more about disabling flow control on realtek nics | |
| 19:48 | <atomic007za> I must say, its interesting, when I switch the new pc on with the old they take a long time to load vmlinux
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| 19:49 | dropped the "mii-diag eth0 -A 0x1e1" on the server
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| 19:50 | <alkisg> Nah that address should only be valid for rtl8139...
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| 19:53 | <atomic007za> so technically it could be done?
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| 19:53 | <alkisg> I think so, yeah, at least that's what the driver sources say
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| 19:54 | It's just that they don't support ethtool yet, so I don't know how
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| 19:54 | Could be that compiling the module from the realtek site would even have flow control disabled by default...
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| 19:55 | <atomic007za> could be
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| 20:02 | <atomic007za> not sure if this help: http://ubuntuforums.org/showthread.php?t=1192389
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| 20:02 | Flow control: Tx disabled Rx disabled.
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| 20:02 | The chip configuration is 0x05 0x1f, MII half-duplex mode.
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| 20:06 | If I reboot my server the "mii-diag eth0 -A 0x1e1" command will be "forgotten" right?
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| 20:06 | <alkisg> Well that's the easy part, if you find a command that works you can just put it in an if-up script
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| 20:07 | (half duplex? I wonder why...)
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| 20:08 | Anyway, too late here, good night all...
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| 20:10 | <atomic007za> cheers
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| 20:25 | jammcq has joined #ltsp | |
| 20:25 | <jammcq> hey hey
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| 20:35 | <vagrantc> jammcq: hi!
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| 20:46 | <jammcq> hey hey
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| 21:04 | <vagrantc> jammcq: so, uh, heading east sometime?
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| 21:04 | <jammcq> hmm, not until October
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| 21:04 | are you in NYC yet?
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| 21:04 | or it's still early prolly
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| 21:26 | <vagrantc> october?
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| 21:26 | <jammcq> BTS
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| 21:27 | you coming?
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| 21:27 | <vagrantc> jammcq: no debconf for you? :P
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| 21:27 | can't imagine making it to the BTS
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| 21:27 | <jammcq> nope. too crazy at work. couldn't make FISL in brazil this year either
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| 21:27 | * vagrantc sighs | |
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| 23:15 | <wurzzero> Hi, anyone here?
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| 23:18 | I use Ubuntu 10.04 with ssh on port 2200, i put in the lts.cof the line SSH_OVERRIDE_PORT, but didn't work, any idea?
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| 23:19 | if i put the port 2200 in /opt/ltsp/i386/etc/ssh/ssh_config, instead of 22, it works...
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