IRC chat logs for #ltsp on irc.freenode.net (webchat)


Channel log from 16 June 2016   (all times are UTC)

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03:57
<exebat>
Good morning all
03:58
I am using LTPS on Debian Jessie and after some update I have a problem with Realtek cards 8168 and 8169
03:58
all worked fine but now 8168 client wont boot
03:59
i installed driver from realtek site for 8168 and then 2 clients with 8169 wont boot
04:00
is there a way to make multiple chroots in Debian (I am using ltsp-pnp) ?
04:00
or is there some other way to resolve this ?
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
04:29
<exebat>
ether different chroot or if there is a way to ignore 8169 module on 2 clients that are problematic
04:29
tnx maldridge, I will wait
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04:52
<alkisg>
exebat: you basically need 2 different initramfs, not 2 chroots
04:53
You can do that with e.g. pxelinux.cfg/01-mac-address files
04:53
But the best way would be to roll back whatever was that broke it, no?
04:53
Which update broke it? Was it the kernel? Does it work if you roll back to the previous kernel?
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
05:00
i never rolled back on kernel :(
05:03
<alkisg>
Do you still have the old /opt/ltsp/images/i386.img.old there?
05:03
Or was it overwritten after all the tries to solve it?
05:03
To roll back a package, you run:
05:03
dpkg -l '*linux*' | grep ^ii
05:03
<exebat>
No :( - i made many images since then
05:03
<alkisg>
...to see the package name,
05:03
then apt-cache policy package-name to see the versions available,
05:03
<exebat>
trying to fix this
05:03
<alkisg>
finally, apt-get install package=version
05:04
Try to install the previous kernel, then copy /boot/vmlinuz and /boot/initrd.im to /var/lib/tftpboot/ltsp/i386/
05:04
(to avoid having to run ltsp-update-image all the time)
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
05:22
on Debian Jessie
05:32
<sebd>
exebat: apt-cache policy linux-image-686-pae
05:32
shows version 3.16+63
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
06:24
<alkisg>
eu^1721610050: /etc/default/epoptes
06:25
<eu^1721610050>
You rocks !
06:25
thanks
06:25
<alkisg>
exebat: https://packages.debian.org/search?keywords=linux-image-686-pae
06:25
..what sebd said, that will install the kernel from stable
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
06:31
Sorry, this one: http://ftp.us.debian.org/debian/pool/main/l/linux/
06:35
<exebat>
i found it
06:35
but my clients still use linux 4
06:35
<alkisg>
Did you remove the newer kernel and ran ltsp-update-image etc?
06:35
<exebat>
i've run ltsp-update-kernels
06:35
yes
06:35
removed it
06:35
rebooted
06:35
<alkisg>
update-kernels isn't enough
06:35
<exebat>
run update image
06:36
and it report it cant find kernel 4
06:36
on clients
06:36
<alkisg>
You ran `ltsp-update-image -c /` after you removed the 4 kernel?
06:36
Or before that?
06:36
<exebat>
yes
06:37
<alkisg>
OK try this
06:37
sudo /usr/share/ltsp/update-kernels
06:37
<exebat>
I also see entries for kernel 4 in pxelinux.cfg in /var/lib
06:37
<alkisg>
sudo cp /boot/pxelinux.cfg/ltsp /var/lib/tftpboot/ltsp/i386/pxelinux.cfg/ltsp
06:37
And reboot the clients
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
06:43
<exebat>
now it reports Loading vmlinuz-3.16.0-4-686-pae failed: no such file or directory
06:45
whats worst is that this is a production server and I have 15 users calling me from 8am :(
06:45
<alkisg>
Haha
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06:49
<exebat>
i copied vmlinuz-3.16.0-4-686-pae to i386 directory
06:49
and now i ged Socket failed: Connection timed out
06:49
<alkisg>
It sounds like it's not in the chroot, if ltsp-update-kernels didn't find it
06:49
<exebat>
it is on
06:50
one client booted
06:50
<alkisg>
If the kernel is not in the chroot, it'll cause issues with missing modules
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
06:53
They wont kill me at least for a couple of hours :)
06:53
thanks alkisg and all the others :)
06:57
<alkisg>
You're welcome
06:59
<exebat>
The client with 8168 still wont boot even with older kernel :(
06:59
You mentioned pxelinux.cfg/01-mac-address
06:59
what do I need to enter there do remove the 8169 module
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
07:01
!screen_08
07:01
<ltsp>
Error: "screen_08" is not a valid command.
07:01
<alkisg>
!screen_02
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
07:02
<alkisg>
ls /boot to see the installed kernels, on the client
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07:15
<Hyperbyte>
alkisg!!!!!!!!!!!!!
07:15
!!!!!!!!!!!!!!!!alkisg
07:15
<ltsp>
Error: "!!!!!!!!!!!!!!!alkisg" is not a valid command.
07:16
<alkisg>
Haha, heya Hyperbyte
07:17
Put some loud music for us to listen to...
07:36
<Hyperbyte>
I have!
07:36
:-)
07:36
How's it going?
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
08:04
<alkisg>
exebat: it sounds like your server doesn't have the correct links there, because of the kernel downgrade, unrelated to ltsp
08:05
What's the output of `ls -l /boot/vmlinuz*`
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08:07
<exebat>
it does not exist :(
08:07
<alkisg>
You have no kernels installed on your server now?!
08:07
<exebat>
wait
08:07
<alkisg>
dpkg -l '*linux*'|grep ^ii
08:07
<exebat>
i missed the asterix
08:08
vmlinuz-3.16.0-4-686-pae
08:08
if i remember there was some symlink there
08:09
when I downgraded kernel it reported about deleting 2 symlinks
08:16
<alkisg>
The the output of: ls -l /var/lib/tftpboot/ltsp/i386/vmlinuz*
08:16
*and
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08:19
<exebat>
vmlinuz
08:19
vmlinuz-686-pae
08:19
<alkisg>
The -l should show the arrow there for the vmlinuz symlink
08:19
You didn't write the command or the output properly...
08:21
<exebat>
I am connected by screenconnect so I am typing it by hand
08:22
it still points to vmlinuz-4.5.0
08:22
on both files
08:22
<alkisg>
Yup, that needs to be fixed
08:24
<exebat>
how ? :)
08:25
<alkisg>
The command to create symlinks is called "ln"...
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?
09:03
South Africa. :-O
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09:21
<exebat>
I booted the clients but still no luck with those on realtek :(
09:22
is there a way of exporting users ?
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
09:47
<Hyperbyte>
alkisg, ooooof
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 :(
14:29
<Hyperbyte>
mhmm
14:29
No network interfaces are up?
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?
14:32
<exebat>
yes
14:33
and when I install the driver from realtek site for 8168 it works but then 4 other clients with 8169 wont boot
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?
14:51
<exebat>
first time I used ltsp-update-image --cleanup / - 6-7 months ago
14:54
today I tried lts-build-client --chroot deb-8168
14:55
and created chroot but did not know where to go from there
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
15:00
all those chroots go default to specific dirs under /opt/ltsp/
15:01
<exebat>
I did it before ltsp-pnp was there but I never needed to create different chroots
15:02
<vsuojane1>
but today you tried the lts-build-client? the tool is ltsp-build-client.
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 :)
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'
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
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
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
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
23:15
someone know any trick to accelerate the web navigation on terminals?
23:16
<sbalneav>
fl00d: What's the problem exactly?
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
23:18
have 1gb conection
23:19
<sbalneav>
What video card does your thin client have?
23:23
<fl00d>
i think integrated on motherboard
23:23
no dedicated
23:28
<sbalneav>
And the chipset?
23:28
<fl00d>
i think pentium 4 and maybe some core duo
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23:39
<sbalneav>
No the *video* chipset.
23:42
<fl00d>
video i dont know
23:42
tipical embebbed
23:42
via
23:42
probably
23:42
with share memory
23:42
i see official thin clients has 2 gb ram