IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 16 June 2016 (all times are UTC)
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| 03:57 | <exebat> Good morning all
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| 03:58 | I am using LTPS on Debian Jessie and after some update I have a problem with Realtek cards 8168 and 8169
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| 03:58 | all worked fine but now 8168 client wont boot
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| 03:59 | i installed driver from realtek site for 8168 and then 2 clients with 8169 wont boot
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| 04:00 | is there a way to make multiple chroots in Debian (I am using ltsp-pnp) ?
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| 04:00 | or is there some other way to resolve this ?
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| 04:00 | thanks in advance
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| 04:28 | <maldridge> exebat: I seem to recall there is a way to do that, but I don't remember how. I'd stick around for alkisg to pop back in
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| 04:29 | <exebat> ether different chroot or if there is a way to ignore 8169 module on 2 clients that are problematic
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| 04:29 | tnx maldridge, I will wait
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| 04:52 | <alkisg> exebat: you basically need 2 different initramfs, not 2 chroots
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| 04:53 | You can do that with e.g. pxelinux.cfg/01-mac-address files
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| 04:53 | But the best way would be to roll back whatever was that broke it, no?
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| 04:53 | Which update broke it? Was it the kernel? Does it work if you roll back to the previous kernel?
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| 04:59 | <exebat> It was the kernel update i guess
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| 05:00 | <exebat> i tried the new kernel version 4 but it is the same
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| 05:00 | i never rolled back on kernel :(
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| 05:03 | <alkisg> Do you still have the old /opt/ltsp/images/i386.img.old there?
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| 05:03 | Or was it overwritten after all the tries to solve it?
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| 05:03 | To roll back a package, you run:
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| 05:03 | dpkg -l '*linux*' | grep ^ii
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| 05:03 | <exebat> No :( - i made many images since then
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| 05:03 | <alkisg> ...to see the package name,
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| 05:03 | then apt-cache policy package-name to see the versions available,
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| 05:03 | <exebat> trying to fix this
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| 05:03 | <alkisg> finally, apt-get install package=version
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| 05:04 | Try to install the previous kernel, then copy /boot/vmlinuz and /boot/initrd.im to /var/lib/tftpboot/ltsp/i386/
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| 05:04 | (to avoid having to run ltsp-update-image all the time)
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| 05:04 | bbl
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| 05:22 | <exebat> cant seem to find previous kernel anywhere :(
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| 05:22 | <exebat> it was 3.16.7-ctk20
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| 05:22 | on Debian Jessie
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| 05:32 | <sebd> exebat: apt-cache policy linux-image-686-pae
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| 05:32 | shows version 3.16+63
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| 05:33 | exebat: apt-get install linux-image-686-pae=3.16+63
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| 06:24 | <eu^1721610050> Hi guys, I can't remember where I can change the epoptes user group
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| 06:24 | <alkisg> eu^1721610050: /etc/default/epoptes
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| 06:25 | <eu^1721610050> You rocks !
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| 06:25 | thanks
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| 06:25 | <alkisg> exebat: https://packages.debian.org/search?keywords=linux-image-686-pae
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| 06:25 | ..what sebd said, that will install the kernel from stable
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| 06:26 | You can try that, or 4.5 from the backports
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| 06:31 | <alkisg> ...or select the one you want from http://ftp.us.debian.org/debian/pool/main/l/linux-latest
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| 06:31 | Sorry, this one: http://ftp.us.debian.org/debian/pool/main/l/linux/
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| 06:35 | <exebat> i found it
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| 06:35 | but my clients still use linux 4
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| 06:35 | <alkisg> Did you remove the newer kernel and ran ltsp-update-image etc?
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| 06:35 | <exebat> i've run ltsp-update-kernels
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| 06:35 | yes
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| 06:35 | removed it
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| 06:35 | rebooted
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| 06:35 | <alkisg> update-kernels isn't enough
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| 06:35 | <exebat> run update image
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| 06:36 | and it report it cant find kernel 4
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| 06:36 | on clients
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| 06:36 | <alkisg> You ran `ltsp-update-image -c /` after you removed the 4 kernel?
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| 06:36 | Or before that?
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| 06:36 | <exebat> yes
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| 06:37 | <alkisg> OK try this
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| 06:37 | sudo /usr/share/ltsp/update-kernels
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| 06:37 | <exebat> I also see entries for kernel 4 in pxelinux.cfg in /var/lib
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| 06:37 | <alkisg> sudo cp /boot/pxelinux.cfg/ltsp /var/lib/tftpboot/ltsp/i386/pxelinux.cfg/ltsp
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| 06:37 | And reboot the clients
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| 06:38 | I don't know how you removed the 4 kernel, but it sounds like it didn't trigger the ltsp kernels update script
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| 06:43 | <exebat> now it reports Loading vmlinuz-3.16.0-4-686-pae failed: no such file or directory
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| 06:45 | whats worst is that this is a production server and I have 15 users calling me from 8am :(
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| 06:45 | <alkisg> Haha
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| 06:49 | <exebat> i copied vmlinuz-3.16.0-4-686-pae to i386 directory
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| 06:49 | and now i ged Socket failed: Connection timed out
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| 06:49 | <alkisg> It sounds like it's not in the chroot, if ltsp-update-kernels didn't find it
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| 06:49 | <exebat> it is on
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| 06:50 | one client booted
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| 06:50 | <alkisg> If the kernel is not in the chroot, it'll cause issues with missing modules
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| 06:52 | <exebat> Epoptes is not working but at least some computers will work - i will run ltsp-update-image again later to see if it makes any difference
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| 06:53 | They wont kill me at least for a couple of hours :)
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| 06:53 | thanks alkisg and all the others :)
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| 06:57 | <alkisg> You're welcome
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| 06:59 | <exebat> The client with 8168 still wont boot even with older kernel :(
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| 06:59 | You mentioned pxelinux.cfg/01-mac-address
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| 06:59 | what do I need to enter there do remove the 8169 module
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| 07:01 | <alkisg> Get a root shell on the clients and see which kernel is installed there, I'm not sure you managed to install the correct one
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| 07:01 | !screen_08
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| 07:01 | <ltsp> Error: "screen_08" is not a valid command.
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| 07:01 | <alkisg> !screen_02
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| 07:01 | <ltsp> screen_02: To get a root shell on an Ubuntu thin client: https://help.ubuntu.com/community/UbuntuLTSP/ClientTroubleshooting#Using_a_shell_SCREEN
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| 07:02 | <alkisg> ls /boot to see the installed kernels, on the client
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| 07:15 | <Hyperbyte> alkisg!!!!!!!!!!!!!
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| 07:15 | !!!!!!!!!!!!!!!!alkisg
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| 07:15 | <ltsp> Error: "!!!!!!!!!!!!!!!alkisg" is not a valid command.
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| 07:16 | <alkisg> Haha, heya Hyperbyte
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| 07:17 | Put some loud music for us to listen to...
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| 07:36 | <Hyperbyte> I have!
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| 07:36 | :-)
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| 07:36 | How's it going?
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| 07:37 | <alkisg> Preparing the luggage for winter... debconf16! :)
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| 08:01 | <exebat> i updated the image and now I get the kernel not found message again on client
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| 08:04 | <alkisg> exebat: it sounds like your server doesn't have the correct links there, because of the kernel downgrade, unrelated to ltsp
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| 08:05 | What's the output of `ls -l /boot/vmlinuz*`
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| 08:07 | <exebat> it does not exist :(
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| 08:07 | <alkisg> You have no kernels installed on your server now?!
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| 08:07 | <exebat> wait
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| 08:07 | <alkisg> dpkg -l '*linux*'|grep ^ii
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| 08:07 | <exebat> i missed the asterix
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| 08:08 | vmlinuz-3.16.0-4-686-pae
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| 08:08 | if i remember there was some symlink there
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| 08:09 | when I downgraded kernel it reported about deleting 2 symlinks
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| 08:16 | <alkisg> The the output of: ls -l /var/lib/tftpboot/ltsp/i386/vmlinuz*
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| 08:16 | *and
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| 08:19 | <exebat> vmlinuz
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| 08:19 | vmlinuz-686-pae
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| 08:19 | <alkisg> The -l should show the arrow there for the vmlinuz symlink
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| 08:19 | You didn't write the command or the output properly...
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| 08:21 | <exebat> I am connected by screenconnect so I am typing it by hand
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| 08:22 | it still points to vmlinuz-4.5.0
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| 08:22 | on both files
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| 08:22 | <alkisg> Yup, that needs to be fixed
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| 08:24 | <exebat> how ? :)
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| 08:25 | <alkisg> The command to create symlinks is called "ln"...
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| 08:25 | * alkisg needs to go, bbl | |
| 08:28 | <sebd> My users are encountering troubles with the new Debian Jessie Firefox, reverting to iceweasel everywhere.
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| 09:02 | <Hyperbyte> alkisg, debconf16... where is that?
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| 09:03 | South Africa. :-O
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| 09:21 | <exebat> I booted the clients but still no luck with those on realtek :(
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| 09:22 | is there a way of exporting users ?
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| 09:22 | so I can reinstall and just copy them over ?
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| 09:41 | <alkisg> Hyperbyte: hence the "winter" part in July :D
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| 09:47 | <Hyperbyte> alkisg, ooooof
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| 09:47 | Nice country though.
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| 13:21 | <exebat> I installed Ubuntu 16.04 and tried to boot those two clients with Realtek 8168 nics and they wont boot - no network interfaces are up
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| 14:20 | <exebat> everything worked just fine two days ago :(
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| 14:29 | <Hyperbyte> mhmm
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| 14:29 | No network interfaces are up?
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| 14:29 | So it passes PXE, gets an IP address from the server, downloads files via TFTP, boots the Linux kernel, and then it can't continue because there's no network?
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| 14:32 | <exebat> yes
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| 14:33 | and when I install the driver from realtek site for 8168 it works but then 4 other clients with 8169 wont boot
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| 14:34 | i wanted to make different chroot just for these 2 clients but I cant find a way to do it using ltsp-pnp
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| 14:47 | <vsuojane1> Hi exebat, how did you try to use ltsp-build-client? e.x. did you use ltsp-build-client?
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| 14:51 | <exebat> first time I used ltsp-update-image --cleanup / - 6-7 months ago
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| 14:54 | today I tried lts-build-client --chroot deb-8168
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| 14:55 | and created chroot but did not know where to go from there
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| 14:55 | <vsuojane1> I am not sure now how to guide you forward because alkisg seems to guide you with the driver issue originally. but for different chroot (different thing from just updating initramfs modules) you need to use ltsp-build-client
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| 15:00 | all those chroots go default to specific dirs under /opt/ltsp/
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| 15:01 | <exebat> I did it before ltsp-pnp was there but I never needed to create different chroots
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| 15:02 | <vsuojane1> but today you tried the lts-build-client? the tool is ltsp-build-client.
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| 15:06 | <exebat> yes and created chroot, installed software and thats it - i have chroot that I dont know how to point to these two clients :)
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| 15:10 | <vsuojane1> debian has wiki howto (google for ltsp config debian)
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| 15:13 | <vsuojane1> and ubuntu uses nbd. for pointing new created chroots to your clients run 'ltsp-config nbd-server'
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| 15:16 | then you need to configure the dhcp server to provide correct tftp paths to specific clients. that's done in the dhcp (or dnsmasq) configurations
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| 19:10 | <alkisg> exebat: there are 3 ways to solve your issue
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| 19:10 | One, to find a kernel that works and use that, maybe even bisect to report the exact error etc
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| 19:11 | <alkisg> Two, to create 2 different initramfs, one that works for 8169 and one for 8168
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| 19:12 | You don't need 2 different chroots for that. Just compile the module etc, the backup the initramfs that was generated, and then uninstall the module again
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| 19:12 | Three, to create 2 different chroots. I don't think that's a good idea.
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| 23:15 | <fl00d> hi
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| 23:15 | someone know any trick to accelerate the web navigation on terminals?
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| 23:16 | <sbalneav> fl00d: What's the problem exactly?
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| 23:17 | <fl00d> well i see that terminals load the image fast but when you use it in firefox or chromiun navigation inside is so slow
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| 23:18 | have 1gb conection
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| 23:19 | <sbalneav> What video card does your thin client have?
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| 23:23 | <fl00d> i think integrated on motherboard
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| 23:23 | no dedicated
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| 23:28 | <sbalneav> And the chipset?
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| 23:28 | <fl00d> i think pentium 4 and maybe some core duo
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| 23:39 | <sbalneav> No the *video* chipset.
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| 23:42 | <fl00d> video i dont know
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| 23:42 | tipical embebbed
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| 23:42 | via
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| 23:42 | probably
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| 23:42 | with share memory
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| 23:42 | i see official thin clients has 2 gb ram
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