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


Channel log from 1 May 2018   (all times are UTC)

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10:41
<Roy>
is this project still maintained?
10:42
i dont see much activity here
10:44
in fairness i have just had a look on launchpad and I see some activity there
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11:25
<Hyperbyte>
Roy, so your conclusion is........ :-)
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12:37
<quinox>
LTSP works just fine
12:38
there are still commits being done to keep it working
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13:52
<nolaan>
Hi I've a problem with a fresh installation : I have no login screen
13:53
And cannot find a clue on the internet
13:54
I've change the root pwd in chroot and I'm able to launch xfce from the command line. But I'd like to get something more normal like a login screen :)
14:07
<quinox>
you can switch to a TTY and start X from there?
14:08
(stick around, someone will be able to help you)
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14:25
<nolaan>
quinox: yes I can i use startxfce4
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14:39
<quinox>
that's good news I suppose :)
14:40
<nolaan>
Somehow I'm unable to figure out the boot sequence :/
14:41
Logs are lacking
14:42
<quinox>
it should start LDM on boot
14:42
which allows you to login, choosing your desired window manager / desktop
14:43
(ldm = ltsp dm, not lightdm)
14:47
the scripts for this are in /usr/share/ltsp - it's all bash so you can open them and see what's going on
14:49
<nolaan>
but who should be calling ldm?
14:52
when I try to launch it manually it segfaults
14:53
<quinox>
:(
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14:54
<quinox>
Ubuntu LTS?
14:55
that's the "offically" supported distro
14:57
<nolaan>
Ubuntu xenial 16.04
14:57
yes lts
15:05
<alkisg>
nolaan: ldm expects some environment variables etc, you're not supposed to run it manually
15:05
How are you using ltsp, with ltsp-pnp (no chroot) or with ltsp-build-client?
15:06
<nolaan>
alkisg: ltsp-build-client
15:06
<alkisg>
Roy: ltsp has been undermaintained for the last couple of years due to lack of funding; hopefully that will change soon
15:06
nolaan: the start up scripts are supposed to launch /etc/X11/default-display-manager, which should contain ldm
15:07
What are you seeing on boot, vt1 with a login prompt?
15:07
<nolaan>
yes
15:07
<alkisg>
Can you try alt+ctrl+f7, to see if it's just a matter of not activated vt7?
15:08
<nolaan>
I just saw an error at boot : create /etc/hostname denied (or stg like this)
15:08
<alkisg>
Hmm, is your / writeable? Try touch /hello
15:08
(after the client boots)
15:08
<nolaan>
sorry I see locale Cannot set lc_all to default...
15:09
and blinking screen (like when X is trying to start but fails)
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15:09
<nolaan>
I will try to login vt3
15:09
<alkisg>
Failing X sounds like a probable cause
15:09
E.g. your driver might not support the default 16bit color depth
15:10
<nolaan>
I've already looked into /var/log/Xorg.7.log and seems that X started ?!
15:10
<alkisg>
ps aux | grep X
15:11
If you run that a couple of times, you'll see if the pid changes
15:11
If it does, it means it's crashing/restarting
15:11
<nolaan>
X is not running tho
15:11
<alkisg>
In which case, you'd upload Xorg.log like this: cat /var/log/Xorg.7.log.old | nc termbin.com 9999
15:12
Is that Xorg.7.log.old there?
15:12
<nolaan>
yes
15:12
<alkisg>
OK, run the command above to pastebin it
15:13
<nolaan>
from the last boot one minute ago
15:13
<alkisg>
LTSP clients don't save state across reboots
15:13
<nolaan>
but not the last modified date is not changing
15:13
<alkisg>
So it can't be from the last boot
15:13
<nolaan>
or whatever boot :/
15:13
I'm uploading it
15:13
<alkisg>
OK, pastebin it
15:15
<nolaan>
Ok apparently I've no network connection
15:15
<alkisg>
Does ping 8.8.8.8 work?
15:16
And, does ping server work?
15:16
If you can only access the server, scp it there first
15:17
<nolaan>
I can `ping server` because it's in /etc/hosts
15:17
<alkisg>
Can you ping 8.8.8.8?
15:17
<nolaan>
looks like I have troubles with name resolution
15:17
<alkisg>
IPs don't need to be in hosts
15:17
<nolaan>
can ping 8.8.8.8 too
15:18
I've been strugling with name resolutions for 2.5 weeks now
15:18
so I decided to do a fresh install
15:18
<alkisg>
You can set DNS_SERVER=8.8.8.8 in lts.conf
15:18
<nolaan>
ok I'll try that
15:18
<alkisg>
Btw, if you need professional help, I'm available for hire (I'm an ltsp developer)
15:18
Try also setting X_SMART_COLOR_DEPTH=False
15:19
cat /var/log/Xorg.7.log.old | nc 5.39.93.71 9999
15:19
This puts it to termbin even without DNS working
15:21
<nolaan>
alkisg: very good as soon as I'm finish with this prototype I'll hire you to check the configuration
15:21
I've uploaded the file
15:21
<alkisg>
You need to tell us the link
15:22
Btw, for recent installations, ltsp-pnp is recommended, not ltsp-build-client; unless you need additional flexibility
15:22
<nolaan>
for now yes because I'll need to add programs in the chroot
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15:41
<alkisg>
(06:21:51 μμ) alkisg: You need to tell us the link
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16:46
<nolaan>
alkisg: http://termbin.com/bz86
16:48
<alkisg>
nolaan: nfs?
16:49
NFS isn't very supported... although, if it runs for you... well...
16:49
<nolaan>
yes
16:49
<alkisg>
The default for Ubuntu has been NBD for years, and Debian switched to NBD a couple of years ago because of issues with NFS
16:49
<nolaan>
but nbd gives me /dev/nbd0 not found
16:49
<alkisg>
You just need to configure it properly
16:50
Is that a VM client
16:50
?
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16:50
<nolaan>
yes
16:50
<alkisg>
Did you try X_SMART_COLOR_DEPTH=False in lts.conf?
16:51
<nolaan>
yes
16:51
no chance
16:51
<alkisg>
And it still blinked on xorg?
16:51
What is the output of this command on the client? getltscfg -a
16:51
<nolaan>
even name resolution is still broken
16:52
do I need to ltsp-update-client after
16:52
I thaught there's no need since I run nfs
16:52
<alkisg>
Where is your lts.conf? In tftp?
16:52
<nolaan>
no
16:52
on the root nft
16:52
nfs
16:52
<alkisg>
lts.conf goes in /var/lib/tftpboot/ltsp/<arch>/lts.conf
16:52
Whether nfs or nbd
16:53
And it's pulled via tftp, so you don't need to update the image or anything
16:53
<nolaan>
:-| mkay
16:53
<alkisg>
You can create one with:
16:53
sudo ltsp-config lts.conf
16:53
Delete the one you have in the chroot
16:55
<nolaan>
okay
16:55
<alkisg>
So: [Default]<enter>DNS_SERVER="8.8.8.8"<enter>X_SMART_COLOR_DEPTH=False
16:56
...reboot client, and check the output of getltscfg -a, to see if those options actually reach the client
16:56
<nolaan>
okay
16:57
:/ X still blinking
16:57
I will run the command
16:58
Yes all the conf vars are there
16:58
<alkisg>
nolaan: I wonder if it's something specific to your setup or with KDE
16:59
If you install epoptes, I'd be able to quickly examine a client
16:59
!epoptes
16:59
<ltsp>
epoptes: Epoptes is a computer lab administration and monitoring tool. It works on Ubuntu and Debian based labs with LTSP or non-LTSP servers, thin and fat clients, standalone workstations, NX clients etc. More info: http://www.epoptes.org
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17:02
<nolaan>
alkisg: why kde?
17:02
<alkisg>
I thought you said you ran kde, was I mistaken?
17:03
<nolaan>
xfce
17:03
<alkisg>
ok
17:03
Better :)
17:03
Btw most ltsp devs recommend mate
17:03
<nolaan>
But now I'm installing a new chroot with ubuntu-desktop
17:03
<alkisg>
But xfce should be good too
17:03
<nolaan>
ok
17:05
<alkisg>
!root
17:05
<ltsp>
I do not know about 'root', but I do know about these similar topics: 'ROOT_PASSWORD_HASH'
17:05
<alkisg>
!ROOT_PASSWORD_HASH
17:05
<ltsp>
ROOT_PASSWORD_HASH: (#1) to be able to login as root in vt1, with password "qwer1234", put this in lts.conf: INIT_COMMAND_01="sed 's!^root:[^:]*:!root:$6$p2LdWE6j$PDd1TUzGvvIkj9SE8wbw1gA/MD66tHHlStqi1.qyv860oK47UnKcafSKqGp7cbgZUPlgyPv6giCVyCSCdJt1b0:!' -i /etc/shadow", or (#2) do not forget to escape the $ with \
17:06
<nolaan>
I'm already root
17:06
<alkisg>
That's not for you, I'm testing something...
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17:12
<alkisg>
!ROOT_PASSWORD_HASH
17:12
<ltsp>
ROOT_PASSWORD_HASH: To be able to login as root in vt1, with password "qwer1234", put this in lts.conf: INIT_COMMAND_ROOT_HASH="sed 's!^root:[^:]*:!root:\$6\$p2LdWE6j\$PDd1TUzGvvIkj9SE8wbw1gA/MD66tHHlStqi1.qyv860oK47UnKcafSKqGp7cbgZUPlgyPv6giCVyCSCdJt1b0:!' -i /etc/shadow"
17:16
<alkisg>
vagrantc: heya! Would you say that the debian "defaults" for ltsp are now dnsmasq without dns, and nbd?
17:16
I.e. if I were to write an installation how-to, would those be the default/recommended setup? And, does apt install ltsp-server-standalone install just dnsmasq without isc-dhcp etc etc?
17:19
<vagrantc>
alkisg: yes ... i think i i cahnged the dependency chains to prefer dnsmasq, and it doesn't even have dependencies for nfs anymore
17:19
might be worth double-checking
17:19
<alkisg>
Very nice
17:21
In 18.04 (and possibly stretch/buster?), systemd-resolved is used, which listens in 127.0.0.53:53
17:21
This makes it a bit hard to use dnsmasq for dns, but the good thing is that it's not really necessary anymore, as systemd does do dns caching
17:23
10-resolv-conf is buggy now, but I prepared patches for it. Unfortunately, when IPAPPEND 3 is used, an additional ipconfig -n eth0 is required to fetch the correct DNS servers
17:23
So, dnsmasq for (proxy)dhcp+tftp, without dns, is an excellent default
17:24
<vagrantc>
and if it isn't the default yet, may as well make it the default :)
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