IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 18 July 2010 (all times are UTC)
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| 00:25 | <alkisg> Woah the channel is really dead these summer days... I bet what I'm writing now will be 50% of the day's traffic :D
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| 00:28 | (....and off to the beach)
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| 09:04 | <jammcq> good morning friends
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| 10:59 | <cliebow> jammcq:i took the lawn chair up to the head of the road tto watch the president go by
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| 10:59 | and got sent back home..
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| 11:00 | so wayched his helicopter fly off from the porchc
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| 13:13 | <sweetpi> TGP1994: then the easiest way would be to setup tftp on the router and set the filename on ddwrt's dhcp server
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| 13:14 | <TGP1994> sweetpi: Wait... does that involve installing tftp software on my router? I'm not sure if it can hold it.
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| 13:15 | <sweetpi> TGP1994: well you could do tftp on your server, but you should at least set the filename and next-server on the router
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| 13:15 | <TGP1994> Ok. Would that look like dhcp-boot=pxelinux.0,LTSPServerr,192.168.1.2?
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| 13:16 | <sweetpi> TGP1994: im not familiar with ddwrt's setup
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| 13:16 | <TGP1994> Oh.
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| 13:17 | <sweetpi> basically if you can set filename and next-server dhcp options on ddwrt's dhcp server, then everything else can be handled by your ltsp server
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| 13:18 | <TGP1994> Ok. And when you say LTSP Server, are you refering to a tftp server on my ubuntu box? If so, how would I configure it?
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| 13:19 | <sweetpi> ltsp should have already setup everything
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| 13:20 | at home im actually running 2 dhcp servers(i know its bad) since i cant modify the dhcp settings of my router
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| 13:20 | <TGP1994> It didn't the first time, because at that point, I didn't have two NIC cards.
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| 13:21 | <sweetpi> TGP1994: based on your network pic, you shouldnt need 2 nics
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| 13:21 | <TGP1994> Really? LTSP said it really needed two nics. So in that case , I guess I'll take out the second one.
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| 13:22 | <sweetpi> i dont see why you would, unless your trying to increase bandwidth
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| 13:22 | <TGP1994> Ya
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| 13:22 | So, anyhow, what do I configure?
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| 13:22 | <sweetpi> well, what is your setup like now?
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| 13:23 | <TGP1994> As in the network map?
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| 13:23 | <sweetpi> no, your tftp
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| 13:24 | <TGP1994> Oh, I have no clue where tftp's config file is.
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| 13:24 | Do you?
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| 13:24 | <sweetpi> you need to get dhcp working before anything else though
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| 13:24 | <TGP1994> It'll be working on my router, I found someone who set it up
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| 13:24 | <sweetpi> what tftp server are you running?
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| 13:24 | <TGP1994> Not sure
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| 13:24 | How would one check?
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| 13:25 | <sweetpi> aptitude search tftp, and see what is installed
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| 13:25 | <TGP1994> tftpd-hpa
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| 13:25 | is.
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| 13:26 | <sweetpi> ok thats /etc/default/tftpd-hpa
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| 13:26 | <TGP1994> alright
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| 13:26 | <sweetpi> check in /var/lib/tftpboot and see if ltsp stuff is in there
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| 13:27 | <TGP1994> ya, there's an ltsp folder
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| 13:27 | hmm
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| 13:27 | with nothing in it
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| 13:27 | I think I have to build the image.
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| 13:28 | <sweetpi> yes
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| 13:30 | <TGP1994> Hmm, this might take longer than I thought it did... it looks like I'll have to reboot the box, since it seems like it was entirely depending on that second net adapter.
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| 13:31 | <sweetpi> you should be able to change config to eth0
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| 13:32 | <TGP1994> Not sure how, but no matter, its rebooting.
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| 13:32 | <sweetpi> if you get rid of eth1 you need to set eth0 as static though
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| 13:32 | <TGP1994> No prob.
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| 13:33 | Although I need to change tftp's config file for that, right?
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| 13:33 | <sweetpi> not unless you changed the defaults, it listens on all interfaces
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| 13:34 | <TGP1994> Oh, so 0.0.0.0 means listen on all?
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| 13:34 | <sweetpi> yes
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| 13:34 | <TGP1994> Alright
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| 13:36 | Next time I rebuild the client, will it keep a cache of all of the packages, so I don't have to download them again?
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| 13:36 | <sweetpi> you mean the chroot or the nbd image?
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| 13:37 | <TGP1994> Erm
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| 13:37 | I think the chroot
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| 13:37 | <sweetpi> no, if you want that you need to install something like apt-cacher
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| 13:38 | <TGP1994> Oh, ok.
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| 13:38 | <sweetpi> *no=not that i know of
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| 13:38 | <TGP1994> Alright.
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| 13:38 | Still downloading, I'm going to be right back. Thank you for your help so far, by the way.
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| 13:38 | <sweetpi> np
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| 13:46 | <TGP1994> Heheh, cool. While I was waiting, I fired up vmware on another pc, and during the DHCP boot, it successfully detected the other box.
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| 13:51 | <sweetpi> TGP1994: good, so its looking for tftp?
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| 13:51 | <TGP1994> Seems like it, although I'm not completely ready, so I was expecting it to fail.
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| 13:55 | <alkisg> sweetpi: instead of using 2 dhcp servers, have a look at this, it's much more convenient (and compliant): https://help.ubuntu.com/community/UbuntuLTSP/ProxyDHCP
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| 13:57 | <sweetpi> alkisg: thanks, i knew there must be a better way.. just never got around to looking since it worked for my tests
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| 13:58 | <alkisg> np - it's really easy to setup and works with almost all hardware and is distro-independed, that's why I like it...
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| 13:59 | <sweetpi> hmm.. this should solve my virtual box problems then. vbox is the only thing that doesnt like my hacky dhcp setup
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| 13:59 | <alkisg> vbox works fine here
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| 13:59 | <TGP1994> Man, I don't remember this creation process taking so long :9
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| 14:00 | <alkisg> (i'm using the router as the dhcp server in my home, and my laptop as the proxydhcp server - only offering the filename + next-server options)
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| 14:00 | <sweetpi> alkisg: i mean the proxydhcp will fix it. with 2 dhcp servers vbox is ignoring my server and using the router
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| 14:01 | <alkisg> Yup, I get it, I'm just saying that indeed vbox works here with proxydhcp.
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| 14:01 | <sweetpi> ah ok thanks
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| 14:02 | TGP1994: maybe the mirror is slow
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| 14:02 | <TGP1994> I guess :S
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| 14:02 | <sweetpi> TGP1994: might want to backup the chroot in that case.. or install my fav apt-cacher :)
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| 14:03 | <TGP1994> I think I'll install apt-cache, for sure :)
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| 14:03 | <alkisg> Is there a need to re-run ltsp-build-client?
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| 14:03 | There shouldn't be, for simple dhcp / ip changes...
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| 14:03 | <TGP1994> Well, I deleted anything related to it, so I guess so :P
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| 14:04 | <alkisg> Heh, ok
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| 14:04 | <sweetpi> shouldnt be, but sometimes i make custom images for specific machines.. so yeah
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| 14:04 | <TGP1994> Ah
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| 14:05 | <alkisg> ltsp-build-client --extra-help | grep mount-package-cache
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| 14:05 | This uses the server apt cache, so it doesn't need an internet connection after the first build
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| 14:05 | (i.e. all subsequent builds are really fast)
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| 14:05 | <TGP1994> Ok
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| 14:06 | <sweetpi> as long as the arch is the same
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| 14:07 | oh you mean it saves to the cache?
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| 14:07 | <alkisg> Yup
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| 14:07 | The arch doesn't really matter
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| 14:08 | (unless you build one for i386 and the next for amd64, then only the files common to all architectures will be reused)
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| 14:09 | <sweetpi> yeah, i thought you meant it only loaded from cache. which would fail if server was amd64 and client was i386
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| 14:09 | oh.. apt-cacher it is then :)
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| 14:10 | <TGP1994> Still going 0.0
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| 14:10 | <alkisg> It's just using the same package dir as the server. So if e.g. the server has just downloaded the newest kernel, then it doesn't need to be downloaded again for the chroot.
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| 14:13 | <sweetpi> thats why i like apt-cacher. if i need to install to 10 machines(full desktop, not building images) it downloads from the local server
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| 14:13 | <TGP1994> I can see why you'd want a powerful server to host these things.
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| 14:15 | <alkisg> Sure, apt-cacher is nice. Squid can also be used instead of apt-cacher.
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| 14:15 | <TGP1994> Yesssss, it's done :D
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| 14:15 | So sweetpi, where were we?
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| 14:15 | <alkisg> (but I stopped using full desktops and I'm using fat clients instead, so I also stopped using apt-cacher...)
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| 14:16 | <sweetpi> TGP1994: well now you need to choose nfs or nbd
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| 14:16 | <TGP1994> What do you recommend
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| 14:16 | ?
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| 14:16 | <sweetpi> nbd for production, nfs if your going to be changing the chroot all the time(testing)
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| 14:17 | <TGP1994> I guess nfs is the best then. So how do I implement that?
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| 14:17 | <sweetpi> you need to export /opt/ltsp
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| 14:19 | you have nfs server installed?
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| 14:19 | <TGP1994> Hmm, doesn't look like I have any installed.
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| 14:19 | <sweetpi> aptitude install nfs-kernel-server
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| 14:19 | <TGP1994> Should I get unfs3?
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| 14:19 | ok.
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| 14:21 | <sweetpi> then in /etc/exports something like: /opt/ltsp *(ro,no_root_squash,async,no_subtree_check)
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| 14:21 | <TGP1994> What?
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| 14:22 | <sweetpi> add that line to /etc/exports
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| 14:22 | then reload the nfs server
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| 14:22 | <TGP1994> Oh, ok.
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| 14:22 | <sweetpi> you will also need to edit the pxelinux config since your using nfs instead of nbd
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| 14:23 | <TGP1994> The one on my router?
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| 14:24 | <sweetpi> no in /var/lib/tftpboot/ltsp/<your_arch>/pxelinux.cfg/default
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| 14:25 | <TGP1994> Is
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| 14:25 | default ltsp
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| 14:25 | label ltsp
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| 14:25 | kernel vmlinuz
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| 14:25 | append ro initrd=initrd.img quiet splash nbdport=2000
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| 14:25 | ok? Or what should I change nbdport to?
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| 14:26 | <sweetpi> just change nbdport=<port> to netboot=nfs nfsroot=yourserverip:/opt/ltsp/<your_arch>
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| 14:26 | <TGP1994> alright
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| 14:27 | Cool! Am I done?
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| 14:27 | <sweetpi> well, what do you have in dhcp on your router?
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| 14:27 | <TGP1994> dhcp-boot=ltsp/i386/pxelinux.0,,192.168.1.2
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| 14:27 | <sweetpi> sounds right, give it a try :)
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| 14:27 | <TGP1994> Ok :D
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| 14:28 | Oh, d'oh
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| 14:28 | forget to set the network adapter to static
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| 14:28 | <sweetpi> hehe
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| 14:30 | <TGP1994> w00t
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| 14:30 | :D
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| 14:31 | <sweetpi> i take it, it works? :)
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| 14:31 | <TGP1994> Yes :D Wanna try?
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| 14:31 | Or, would that not work for external connections?
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| 14:32 | <sweetpi> na, not without a headache
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| 14:32 | <TGP1994> Meh, ok. I'm a little concerned right now, I'm running the server trough VirtualBox, and it's reporting the host's IP, not the actual server :(
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| 14:32 | But at least it works.
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| 14:33 | <sweetpi> i think nat is default, switch to bridged?
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| 14:34 | er swap that :)
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| 14:34 | <TGP1994> You mean it should be on nat? right now it's on bridged, I thought that meant the router would detect it as a seperate pc.
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| 14:35 | <sweetpi> i use bridged for vms.. i thought you meant you wanted nat
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| 14:35 | what is showing the host's ip?
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| 14:35 | <TGP1994> Nah. I think I might have screwed up the network diagram, actually the host IP is dynamic; 192.168.1.149
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| 14:35 | and somehow, on my client, that's what it says the host is.
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| 14:36 | <sweetpi> yes.. if your in a shell
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| 14:36 | <TGP1994> Although I guess a hitch could occur, since the router will still have to travel through 1.149 to get to the 1.2 machine
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| 14:36 | So PXEBoot or w/e must be reporting that.
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| 14:37 | Ya, can't log in
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| 14:37 | says can't connect to host
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| 14:37 | <sweetpi> if you log into X, ifconfig should show server ip.. if term, it should show client
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| 14:37 | <TGP1994> Wait a sec
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| 14:37 | scratch that
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| 14:37 | the host IS on a static IP 1.9
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| 14:40 | <sweetpi> im not sure what your wanting
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| 14:41 | <TGP1994> I'll figure it out in a sec :P
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| 14:53 | <TGP1994> Ohhh, my bad, that was the client's IP.
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| 14:54 | I'm a little concerned about the GNOME connection manager though, when I rebooted the server, it switched back to use a Dynamic IP.
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| 14:55 | <sweetpi> hmm i dont use network-manager.. there should be a way to set static in it though.. if all else fails, disable it and do it in /etc/network/interfaces
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| 14:55 | <TGP1994> Ok, this is really weird. I tried logging in, but the server has completely dropped off of DD-WRT's client list. Only the host computer is still there.
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| 14:56 | <sweetpi> TGP1994: the server's static ip likely wont show up in ddwrt
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| 14:56 | <TGP1994> Oh, but it does.
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| 14:56 | And it disappears when I try to log in on the client.
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| 14:57 | Almost like it get's knocked off by a confliction or something. GNOME still thinks it's online, too.
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| 14:57 | <sweetpi> hmm.. mac conflict?
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| 14:57 | <TGP1994> I just recycled it before rebooting.
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| 14:58 | <sweetpi> if the host and guest vm have the same mac address, maybe thats why
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| 14:58 | <TGP1994> Doubtful, because VirtualBox assigns a different mac to the virtual adapter.
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| 14:58 | The mac address starts with 08, which no other device in my network has.
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| 14:59 | <sweetpi> your using bridged or nat?
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| 14:59 | <TGP1994> Bridged
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| 14:59 | Ack sweetpi, you're right
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| 14:59 | It's decided to use the same mac as the host pc!
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| 15:00 | <sweetpi> heh
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| 15:00 | <TGP1994> Wtf...
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| 15:00 | VBox even says that Adapter 1 (its virtual adapter) should be using an address with 08, while the host Pc has one starting with 00.
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| 15:01 | Must investigate.
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| 15:02 | * TGP1994 is bugging #vbox | |
| 15:05 | <TGP1994> Yup, the ubuntu box just got kicked off again.
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| 15:09 | <sweetpi> dont forget that if your logged into ltsp, it will show the server mac address, not the client
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| 15:09 | <TGP1994> Logged into ltsp on the host?
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| 15:10 | <sweetpi> i meant the client, sorry you lost me as to what the problem is. i cant figure out what is virtual and running where :)
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| 15:10 | <TGP1994> I'll create another diagram :D
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| 15:18 | * TGP1994 Hi ho, hi ho, it's off to photobucket I go... | |
| 15:19 | <TGP1994> http://i351.photobucket.com/albums/q449/tgp1994/macproblem.png
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| 15:19 | Errm... correction
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| 15:19 | The two line statement under dd-wrt
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| 15:19 | the MAC should read: 00:02:6F
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| 15:20 | Don't know what made me say 64...
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| 15:22 | <sweetpi> hmm... you have no other clients with 00:02:6F?
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| 15:23 | <TGP1994> Yup. Just the Win XP Host.
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| 15:23 | <TGP1994> I mean no, no other clients
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| 15:24 | <sweetpi> im actually wondering why ddwrt would show static ip in the first place. i guess its not a dhcp lease table?
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| 15:25 | <TGP1994> Ya, it's only showing up in the Active Clients table
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| 15:25 | <sweetpi> the two 00:02:6F entries are different or the same?
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| 15:25 | <TGP1994> But when GNOME was still tripping something, and using dynamic ips, it showed up not only in there as a dynamic ip, but also in dhcp clients.
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| 15:25 | Same.
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| 15:26 | Otherwise I would have given the full MAC addr :)
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| 15:27 | <sweetpi> so 00:02:6F:4D:12:3A shows 2 entries with different ips?
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| 15:27 | <TGP1994> Correct.
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| 15:27 | According to someone @vbox, that would be normal, since it's comming from the same NIC.
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| 15:27 | But I disagree... this shouldn't be happening at all.
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| 15:28 | <sweetpi> same physical nic.. but the vbox has a different mac. it might just be the way ddwrt reports usage. is it actually causing any problems?
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| 15:29 | <TGP1994> Well, I theorize that it's what's causing the ubuntu's connection to diappear,
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| 15:29 | <sweetpi> network-manager and /etc/network/interfaces dont play nice together
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| 15:30 | n-m will fight for controll
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| 15:30 | <TGP1994> Shall I dump the network manager?
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| 15:30 | <sweetpi> i dump it at first install :)
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| 15:31 | <TGP1994> Alright. So in the fumping process, do I just uninstall it, or is there another method?
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| 15:31 | <sweetpi> you should be able to remove eth0 from interfaces and set static in n-m though
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| 15:31 | <TGP1994> oh
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| 15:31 | so just delete it from the file?
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| 15:32 | <sweetpi> that would be the best if you want to stick with n-m
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| 15:32 | <TGP1994> ok
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| 15:33 | Ahah
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| 15:33 | auto eth0
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| 15:33 | That explains it.
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| 15:34 | Rebooting now :)
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| 15:43 | <TGP1994> So far, so good...
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| 15:43 | Oh blast.
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| 15:43 | The server dropped out again.
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| 15:44 | <sweetpi> pastebin your /etc/network/interfaces
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| 15:44 | <TGP1994> Huh, get this... after opening firefox on the ubuntu box, box popped up again on dd-wrt
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| 15:45 | <sweetpi> .. so active clients is literal
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| 15:45 | <TGP1994> Ya.
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| 15:45 | <sweetpi> yet your connection in vbox is actually going out? you cant ping?
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| 15:46 | <TGP1994> I've got an idea, I'll continually ping the router while I try to connect with my client.
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| 15:49 | Hmm, now it's just sitting at the ubuntu loading screen.
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| 15:49 | Pings are still comming in good
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| 15:50 | Can I switch into a terminal right now?
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| 15:50 | <sweetpi> maybe another issue.. get rid of spash and quiet from pxelinux.cfg/default
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| 15:50 | <TGP1994> Oh, wait
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| 15:50 | <sweetpi> that way you can see boot messages
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| 15:50 | <TGP1994> figured out that escape switches to terminal
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| 15:51 | Seems to be in a loop right now; udhcpc Sending discover (three times times) udhcpc: No lease, failing
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| 15:51 | Does that repeatedly.
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| 15:51 | <sweetpi> is the client vbox?
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| 15:51 | <TGP1994> The client is VMware
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| 15:51 | on a different pc
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| 15:52 | <sweetpi> bridged?
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| 15:52 | <TGP1994> Ya. The device is showing up as an active client, too.
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| 15:52 | 1.149
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| 15:52 | in the dynamic range, seems ok.
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| 15:53 | <sweetpi> so the client says it cant get an ip but ddwrt says it has one? O.o
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| 15:53 | <TGP1994> Lolz
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| 15:53 | I think DD-WRT is failing.
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| 15:53 | I can't access a certain website with only DD-WRT, too.
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| 15:53 | torrentz.com
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| 15:53 | But that's another story.
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| 15:54 | <sweetpi> maybe firewall on the clients host?
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| 15:55 | <TGP1994> Don't have any.
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| 15:55 | Whoops
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| 15:55 | Rebooted, now it works.
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| 15:55 | Let's see if I can log in..
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| 15:55 | [
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| 15:56 | Hmm
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| 15:56 | Says Verifying password, then eventually, no response from server, restarting. I was pinging my router the entire time, with no problems.
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| 15:56 | Pinging from the server, btw.
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| 15:56 | Everyone is still connected, too.
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| 15:57 | <sweetpi> so you got to the X login screen?
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| 15:57 | <TGP1994> ya
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| 15:58 | I think I just saw a terminal, that said invalid card number
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| 15:58 | I didn't see the rest though
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| 15:58 | Anyway to get to the console from the login screen?
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| 15:58 | <sweetpi> ctrl+alt+f1
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| 15:58 | <TGP1994> Doesn't do anything. I've had problems with that being disabled, too.
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| 15:58 | I mean, I remember that I used to be able to do that
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| 15:58 | don't know why I can't now.
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| 15:59 | <sweetpi> hmm, well you could set SCREEN_07=shell in lts.conf
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| 15:59 | that would disable X
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| 16:00 | <TGP1994> I'd still be able to login, though?
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| 16:00 | <sweetpi> through a shell, yes
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| 16:00 | <TGP1994> Ok.
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| 16:01 | <sweetpi> you could create a new user on the server and see if you can login to X with that
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| 16:01 | <TGP1994> I'm sorry, what do I edit again?
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| 16:01 | <sweetpi> ive never tried to login with the user im physically logged in with on the server
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| 16:01 | <TGP1994> oh
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| 16:02 | <sweetpi> its /opt/ltsp/i386/etc/lts.conf
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| 16:02 | <TGP1994> Alright.
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| 16:06 | Hmm, ya, making a new user didn't work, I'll try the cfg thing.
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| 16:06 | What's weird is, it hangs on the Verifying password part forever, with no internet activity.
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| 16:07 | Wait
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| 16:07 | That document is telling me that with the introduction of the nbd/unionfs/squashfs structure, the file has been moved to /var/lib/tftpboot/ltsp/i386/lts.conf. Do I go there/.
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| 16:09 | <sweetpi> it has to have a net connection or X wouldnt have loaded
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| 16:10 | <TGP1994> Ok
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| 16:10 | I removed the splash parameter
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| 16:10 | This time, I saw the boot process: It got the DHCP address ok, started LTSP ok, but then it said "Invalid card number" before it went to the X login screen.
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| 16:12 | <sweetpi> i guess try setting to shell and see what its saying that about
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| 16:13 | <TGP1994> Ok.
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| 16:13 | <sweetpi> yeah i usually build initrd images, so i edit from the chroot. edit the one in tftp
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| 16:14 | <TGP1994> Ok, so just adding SCREEN_07=shell will do it? (P.S. I copied the config file to /var/lib/tftpboot/ltsp/i386/lts.conf, that's where it said it should go.)
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| 16:14 | <sweetpi> yes, add it to the [default] section
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| 16:14 | <TGP1994> Ok.
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| 16:14 | This is cool, dynamic changes :D
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| 16:15 | Ok, interesting. Now I'm at a prompt with no cursor :)
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| 16:17 | <sweetpi> you dont have a term login screen?
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| 16:18 | <TGP1994> I can see the booting messages, but then it just prompts me with root@ltsp149:/
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| 16:18 | <sweetpi> oh.. yeah thats what its supposed to do :)
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| 16:19 | now check the boot messages for errors
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| 16:19 | <TGP1994> Alright. So I shut it down, added a serial to text file device, and rebooted. So how can I save the output to a serial device in linux?
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| 16:19 | df
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| 16:19 | whoops :P
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| 16:20 | <sweetpi> erm.. wrong window?
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| 16:20 | <TGP1994> ya :P
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| 16:20 | Aahhhh console spam when typing cat dmesg aauuughgh
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| 16:20 | Laggy, too
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| 16:21 | <sweetpi> dmesg | less
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| 16:21 | <TGP1994> dmesg >> /tehlog.txt
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| 16:21 | darn it all
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| 16:21 | wrong window again
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| 16:22 | Alright, so how does 1 output to a serial device?
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| 16:23 | <sweetpi> hmm.. been a while, why not just scp the log to the server?
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| 16:23 | <TGP1994> Oooh
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| 16:23 | nice idea :)
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| 16:26 | Blast
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| 16:26 | port 22 on localhost (the client) is being refused :(
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| 16:27 | <sweetpi> scp log.txt user@serverip:/tmp/ltsp-dmesg.txt
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| 16:28 | <TGP1994> woot
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| 16:31 | Well, I dunno if it will help you or not, but here it is: www.pastebin.org/403220
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| 16:35 | Weird, I don't get it. On the client's shell, none of the users that are on the server exist.
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| 16:35 | df
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| 16:35 | gauh
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| 16:36 | See anything important in there?
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| 16:37 | dmesg | less
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| 16:37 | pfft
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| 16:38 | <sweetpi> sorry, stepped away
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| 16:38 | <TGP1994> That's alright.
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| 16:38 | <sweetpi> none of the users exist because its a chroot
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| 16:39 | alkisg has joined #ltsp | |
| 16:40 | <TGP1994> Also, here is boot.log:
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| 16:40 | www.pastebin.org/403249
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| 16:40 | ls
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| 16:40 | crap.
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| 16:40 | <sweetpi> TGP1994: delete the SCREEN_07 line and set SERVER=192.168.1.2, see if that works
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| 16:41 | <TGP1994> I see the blinking cursor in vmware so I think the focus is there :P
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| 16:41 | Ok.
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| 16:41 | <sweetpi> also check for failed login on the server
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| 16:42 | <TGP1994> What log would I check for that?
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| 16:43 | <sweetpi> /var/log/auth.log
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| 16:44 | <TGP1994> Hmmm, nope.
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| 16:45 | <sweetpi> did you try setting SERVER?
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| 16:45 | <TGP1994> Yup.
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| 16:45 | Same problem when trying to log in now, too.
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| 16:46 | <sweetpi> so you get into X login, type a username and password, and it doesnt do anything?
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| 16:47 | <TGP1994> It will say Verifying password... for about half a minute, then the screen goes black and it comes back to the login screen.
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| 16:47 | actually
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| 16:47 | before it goes black
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| 16:48 | It will say No response from server, restarting...
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| 16:48 | then it goes black, and does so.
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| 16:48 | <sweetpi> you have ssh server on the ubuntu box right?
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| 16:50 | <TGP1994> Ya.
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| 16:51 | Wanna SSH in?
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| 16:51 | <sweetpi> no, i was just making sure ltsp could connect
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| 16:51 | <TGP1994> Ok.
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| 16:52 | <sweetpi> set SHELL_07 again and see if you can ssh to the server
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| 16:53 | err SCREEN_07=shell
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| 16:53 | <TGP1994> Ok.
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| 16:53 | <alkisg> Better put SCREEN_02=shell and SCREEN_07=ldm at the same time, easier for checking
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| 16:53 | <TGP1994> Ok.
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| 16:54 | <sweetpi> alkisg: he cant ctrl+alt+f2
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| 16:54 | <alkisg> Oh. Why?
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| 16:54 | <sweetpi> not sure
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| 16:54 | <alkisg> ok, sorry
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| 16:54 | Ah, nomodeset might help there
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| 16:54 | (in pxelinux.cfg/default)
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| 16:54 | <TGP1994> Say what now?
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| 16:55 | <sweetpi> nomodeset kernel option
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| 16:55 | <alkisg> I've seen some graphics cards having problems switching VTs because of KMS, and nomodeset disables it
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| 16:56 | <TGP1994> Interesting
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| 16:56 | I got an error that said Missing parameter in configuration file
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| 16:56 | <sweetpi> KMS has been messing with me lately, seems some intel chips are going crazy because of it
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| 16:56 | TGP1994: pastebin your lts.conf
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| 16:57 | <TGP1994> Ok, one sec.
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| 16:57 | <sweetpi> oh unless your talking about the pxelinux.cfg/default
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| 16:57 | <alkisg> Yeah... is that lucid?
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| 17:01 | <TGP1994> Wait, hold on a sec guys... isn't rood= supposed to be appended, too?
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| 17:01 | *root=
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| 17:01 | <sweetpi> nfsroot
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| 17:01 | <TGP1994> Of, ok
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| 17:01 | *oh
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| 17:01 | wait
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| 17:01 | there isn't an nfsroot specified, either
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| 17:01 | Do I need one?
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| 17:01 | oh crap
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| 17:02 | my misteak again
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| 17:02 | it is.
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| 17:02 | <sweetpi> mmm.. what did you do to your config? :)
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| 17:02 | <TGP1994> Do you still want the lts config?
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| 17:02 | <alkisg> If you're seeing X, you don't have such problems :D
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| 17:02 | Did you try ltsp-update-sshkeys?
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| 17:02 | <sweetpi> TGP1994: not if the problems are gone
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| 17:02 | <TGP1994> Let me test
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| 17:03 | <TGP1994> Just wondering, does anyone know how to clear the screen with the pxelinux.cfg/default file? The guide wasn't very clear.
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| 17:04 | <alkisg> Clear the screen at what point?
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| 17:04 | <TGP1994> Like after everything is done with the netboot, and just before it begins loading the kernel/initrd.
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| 17:04 | Pretty much after label and before append.
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| 17:04 | And I got the No response from server error again.
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| 17:05 | Ctrl+Alt+F* doesn't work, either.
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| 17:05 | <alkisg> With nomodeset? weird...
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| 17:05 | <TGP1994> Ya.
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| 17:05 | <alkisg> Get a shell (e.g. with SCREEN_07=shell or something) and try `ssh user@server`
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| 17:05 | <TGP1994> Ok.
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| 17:05 | <alkisg> Replace "user" with an existing user at the server, but leave "server" as it is, don't change it
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| 17:06 | <sweetpi> i thought he already did that
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| 17:06 | <alkisg> See if you get any warnings or errors
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| 17:06 | <TGP1994> sweetpi: nope, haven't done that yet.
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| 17:06 | <alkisg> I didn't see it... did he? (sorry if I'm jumping in here...)
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| 17:07 | <TGP1994> awww, the shell is screwed up again :(
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| 17:07 | <alkisg> Which graphics cards is this?
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| 17:07 | <TGP1994> It did this once before. Carraige return characters don't seem to work.
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| 17:07 | A VMWare provided one/.
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| 17:08 | <alkisg> Ah. Not even vbox? Urm... try disabling plymouth by removing "quiet splash" from pxelinux.cfg/default
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| 17:08 | <TGP1994> the ssh command worked fine, by the way.
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| 17:08 | <alkisg> With no messages whatsoever?
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| 17:09 | <TGP1994> Well, it said Warning: Permenantly added the RSA host key for IP address '192.168.1.2' to the list of known hosts, then it have the usual motd.
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| 17:09 | <alkisg> Right, that confuses ldm
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| 17:09 | <TGP1994> *has
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| 17:09 | Oh?
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| 17:09 | So, uhh... how do I unconfuse it?
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| 17:10 | <alkisg> ltsp-update-sshkeys is supposed to take care of that, but I think sometimes it doesn't, I'm not sure why
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| 17:10 | <TGP1994> I'll give it a try anyways.
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| 17:10 | Would I have to restart the client?
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| 17:10 | <alkisg> Yes
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| 17:10 | <sweetpi> like alkisg said, ltsp-update-sshkeys. i dont remember every having to do that though
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| 17:10 | <alkisg> It's needed whenever the server ip changes
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| 17:11 | <TGP1994> Cannot remove ssh_known_hosts? Who could be using it?
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| 17:11 | <alkisg> One way to get sure that this is indeed the problem is to temporarily disable all ssh security checks, by putting LDM_SSHOPTIONS="-o StrictHostKeyChecking=no -o CheckHostIP=no -o LogLevel=silent" in lts.conf
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| 17:11 | <TGP1994> Well, I'll try that then.
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| 17:11 | <sweetpi> ah.. he built the image when he was using dhcp, now its static
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| 17:12 | <TGP1994> And remove the screen_07 option?
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| 17:12 | <alkisg> This makes the client connect to the server without any checks, so a "middle man" server may exploit it
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| 17:12 | Yeah, to try from ldm
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| 17:12 | <TGP1994> ok.
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| 17:15 | Blast, why does udhcpc occassionally get No lease, repeatedly? When I reboot it works/.
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| 17:16 | <sweetpi> TGP1994: make sure you dont still have the dhcp server running on the ubuntu vm
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| 17:16 | <TGP1994> Ok.
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| 17:17 | That's weird, sudo ps -a says there are only three processes running, including its own.
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| 17:19 | And yay, logging in worked this time :D
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| 17:19 | So now all I have to do is update the sshkeys? Does that require rebuilding?
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| 17:19 | <alkisg> rebuilding? aren't you using nfs?
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| 17:20 | <TGP1994> ya
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| 17:20 | So no?
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| 17:20 | <alkisg> Nope
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| 17:20 | <TGP1994> Alright. Thanks guys, both of you. I have to go have dinner now.
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| 17:20 | <alkisg> It's supposed to be ran automatically whenever the ip changes though
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| 17:20 | So not sure why it didn't ran already...
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| 17:23 | <sweetpi> TGP1994: np
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| 17:30 | alkisg: with dnsmasq for proxydhcp, can i use a different tftp server?
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| 17:31 | <alkisg> sweetpi: sure, but that's usually trouble for nothing - you'd need to transfer the kernels on each update
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| 17:31 | Running tftpd on the ltsp server usually doesn't have any downsides...
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| 17:32 | <sweetpi> i meant, could i use tftpd-hpa instead of dnsmasq's tftp server or is it all or nothing
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| 17:33 | <alkisg> Sure you can
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| 17:33 | All schools here use that setup - dnsmasq for proxydhcp + tftpd-hpa for tftp
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| 17:33 | <sweetpi> ok great
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| 17:33 | <alkisg> Remember to put `port=0` if you don't want it as a dns server too
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| 17:36 | <sweetpi> heh, guess i should have read the example config before asking questions :)
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| 17:37 | <alkisg> :)
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| 17:50 | <sweetpi> well that was easy. just had to mess with pxe-service to get it working like it was before. thanks alkisg for the tip.
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| 17:51 | <alkisg> np - what do you mean "mess with pxe-service"? anything useful? ;)
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| 17:52 | <sweetpi> na just disabled the pxe-prompt and made a pxe-service to point to /boot. im booting quite a bit more than just ltsp
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| 17:54 | <alkisg> Ah, I'm using an extensive pxelinux menu too: http://users.sch.gr/alkisg/tosteki/index.php?action=dlattach;topic=2828.0;attach=1672
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| 17:59 | <sweetpi> im booting just about anything i can think of. i wrote a gui editor that writes out xml files and converts them to pxelinux menus. overkill but its makes maintaining things easier
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| 18:01 | thinking about adding ltsp building to the gui, maybe someone would find it useful
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| 18:05 | <alkisg> There was much interest for this by the ltsp devs, so sure, please do that
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| 18:06 | <sweetpi> have any links on what they were looking for?
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| 18:08 | <alkisg> No, but we talked about it quite a few times (I'm an ltsp dev btw)
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| 18:08 | Mainly an easy way to maintain multiple & graphical pxe menus
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| 18:09 | <sweetpi> ah, yeah that sound like exactly what im working on
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| 18:10 | <alkisg> Cool, if you like please post a mail to the ltsp-developers mailing list...
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| 18:10 | map7 has quit IRC | |
| 18:10 | <alkisg> (as this period many of the devs are away from irc)
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| 18:13 | <sweetpi> ok, will do as soon as i make sure work has no problem with it
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| 18:13 | <alkisg> ok
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| 18:16 | <sweetpi> hmm vbox gets the boot file, but pxelinux is trying to load config from the router instead of next-server
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| 18:18 | <alkisg> Weird
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| 18:19 | I've never seen that happen...
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| 18:20 | Is that with the vbox pxe stack?
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| 18:21 | (f12 => boot from lan?)
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| 18:21 | <sweetpi> yes
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| 18:22 | <alkisg> Urm. Again, weird. Can you try with a stripped down pxelinux.cfg/default, or maybe with gpxe.iso?
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| 18:22 | !gpxe
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| 18:22 | <ltspbot> alkisg: "gpxe" :: the successor to etherboot (http://etherboot.org). To download bootable floppy, cd, usb, kernel etc images, visit http://rom-o-matic.net/
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| 18:23 | <sweetpi> i think next-server isnt getting set
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| 18:23 | <alkisg> Then how is it downloading pxelinux.0? Is that bridged or nat?
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| 18:23 | <sweetpi> bridged
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| 18:24 | <alkisg> Can you post your dnsmasq configuration?
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| 18:24 | <sweetpi> vmware and physical machines work fine
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| 18:24 | <alkisg> Which vbox version? (I'm using -ose in lucid, and I've been using both -ose and the sun one in previous versions, never saw that problem...)
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| 18:26 | <sweetpi> -ose
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| 18:27 | <sweetpi> http://pastebin.com/2RR0HfA5
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| 18:27 | <alkisg> And which vbox nic emulation?
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| 18:28 | <sweetpi> pcnet 3
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| 18:29 | <alkisg> Maybe that syntax is causing the problem? pxe-service=x86PC, "Net", /boot, 192.168.0.2
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| 18:29 | <sweetpi> i probably missed a dnsmasq option since im new to it
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| 18:29 | actually i added the ip to see if it would fix it
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| 18:30 | tgp1994 has joined #ltsp | |
| 18:30 | <alkisg> The same in dhcp-boot=/boot.0,,192.168.0.2 too?
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| 18:30 | <tgp1994> Hello :)
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| 18:30 | <sweetpi> yeah i think its for older net boot clients
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| 18:30 | dhcp-boot is dhcp filename, and pxe-service i guess is for real pxe clients
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| 18:31 | <alkisg> So it still has that problem even if you use the syntax in the wiki?
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| 18:32 | <sweetpi> i dont think it even worked with that syntax.. let me check
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| 18:33 | yeah now it doesnt even boot pxelinux
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| 18:33 | <alkisg> Ah now I remember
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| 18:34 | The sun version works ok, for the -ose version I had to use gpxe
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| 18:34 | <sweetpi> boot.0 is pxelinux btw
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| 18:34 | <alkisg> There must be something wrong or missing in the pxe stack implementation
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| 18:34 | Let me try your syntax...
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| 18:41 | <alkisg> OK there's a bug there somewhere
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| 18:41 | Either in the vbox pxe stack (most probably) or in the dnsmasq proxydhcp implemetation
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| 18:41 | But the sun vbox stack works fine...
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| 18:42 | Anyway it's really late here, good night
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| 18:42 | <sweetpi> ok, night. thanks for your help
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| 18:42 | <alkisg> np
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| 18:42 | Try with gpxe.iso if you want
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| 18:42 | it works for me
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| 18:42 | <sweetpi> ok
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