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


Channel log from 17 January 2020   (all times are UTC)

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05:04
<alkaff>
Hello
05:04
I'm new to LTSP and would like to set up a test cluster
05:05
I plan to have 2 diskless fat clients and 1 LTSP server as a start
05:06
So far I've followed the tutorial (https://ltsp.org/docs/installation/) using the chrootless method for the image and it seems to work
05:07
Now I would like to enable SSH on start on the diskless clients so that I can remote access to the clients from the LTSP server after netbooting
05:08
I've found that by manually entering "ssh-keygen -A" and "service start ssh" on the clients works but is there a way to do it automatically?
05:10
I've also tried including RCFILE_01="ssh-keygen -A" and RCFILE_02="service ssh start" in the /etc/ltsp/ltsp.conf file but it doesn't seem to work
05:10
Currently I'm running Debian Buster x64 as the OS
05:11
Could anyone help me please?
05:52
<quinox>
SSH daemon gets disabled by default
05:52
there is some setting you can use to not disable it
05:53
https://ltsp.org/man/ltsp.conf/ search for ssh
05:53
it describes KEEP_SYSTEM_SERVICES and MASK_SYSTEM_SERVICES
06:10
<alkisg>
alkaff: ssh in the chroot is unsafe, as the private keys as exposed to the public
06:11
That's why epoptes is recommended instead
06:11
Nevertheless, if you do want ssh, yeah, just put it in KEEP_SYSTEM_SERVICES
06:11
And also omit the ssh keys from ltsp-image.excludes
06:12
See OMIT_IMAGE_EXCLUDES ltsp.conf parameter
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08:16
<alkaff>
@quinox @alkisg thank you for the advice. I will try and see
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15:23
<markit>
hi, how can I disable ubuntu from checking for updates? I've (I think) 2 problems, the automatic "OS based" check and the KDE "discovery" check. I've not been able to disable Discovery and probably I will have to purge it (sigh!)
15:24
don't want 30 clients to fetch sources at every boot... not notify the users about possible updates they, in any case, can't install
15:34
<||cw>
for the package lists, /etc/apt/apt.conf.d/10periodic
15:35
seem like it would be a good idea for ltsp to disable this by default when building clients
15:35
<alkisg>
LTSP automatically disables updates for clients, but I think NOT for snap
15:35* alkisg isn't using snap
15:35* ||cw didn't check
15:36
<||cw>
I purge snap first thing on my sytems :)
15:36
early versions had some real resource hogging issues. maybe that's been fix?
15:40
<alkisg>
No idea, I purge it too. I do not like it, I think it solves the wrong problem in the wrong way..
15:43
<markit>
alkisg: magic! how do you disable updates for clients?
15:44
<alkisg>
markit: you mean ltsp? Check /usr/share/ltsp/client/init
15:45
<markit>
||cw: in kubuntu 20.04 I've no /etc/apt/apt.conf.d/10periodic
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15:49
<markit>
alkisg: maybe in addition to gnome-software-service you should disable also /etc/xdg/autostart/org.kde.discover.notifier.desktop :)
15:50
<alkisg>
Put it to MASK_SESSION_SERVICES
15:50
!ltsp.conf
15:50
<ltspbot`>
ltsp.conf: Configuration file for LTSP: https://ltsp.org/man/ltsp.conf/
15:50
<markit>
great, I'll have a look thanks
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15:52
<markit>
"See /usr/share/ltsp/client/init/56-rm-services.sh for the default" but I've not that file, I've /usr/share/ltsp/client/init/56-mask-services.sh if you want to fix the man page
15:53
<alkisg>
Sure, let me fix that... (it's been renamed in the mean time)
15:53
<markit>
the advantage of having a dumb "sysadmin" like me is that I can find every mistype of wrong file name in the doc ;P
15:55
btw, /etc/xdg/autostart/org.kde.discover.notifier.desktop is not a service, is just an "autostart", so I think I just have to empty it at POST_INIT_XX right?
15:56
<alkisg>
Those are called services too, but session services instead of system services
15:57
<markit>
so in MASK_SESSION_SERVICES I can just write MASK_SESSION_SERVICES=org.kde.discover.notifier.desktop ?
15:57
<alkisg>
MASK_SESSION_SERVICES=org.kde.discover.notifier
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16:16
<markit>
mmm doesn't work
16:16
I've the try icon with the notification of updates available
16:16
<alkisg>
Was the file deleted?
16:16
Did you run ltsp initrd?
16:16
<markit>
I did run ltsp initrd, what file deleted?
16:17
oh, in the client, let me check
16:17
<alkisg>
Open a root shell from epoptes and see: ls /etc/xdg/autostart/org.kde.discover.notifier.desktop
16:18
<markit>
the file has been deleted, so maybe there is something more
16:18
so frustrating.... would love "discover" program had some related setup
16:20
<alkisg>
Doesn't KDE have user support? Can't you just ask them (or google) how to disable discover?
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16:20
<alkisg>
Why do you need to discover how to disable discover? :P
16:20
<markit>
I've googled a lot, a lot of frustrated users, or old and not applicable (old "muon") solutions
16:21
<alkisg>
Hrm, it's silly then if they don't allow users to easily blacklist some services
16:21
<markit>
I'll try in the -dev channel, but I've had not that happy experiences in the past
16:21
<alkisg>
No activity in askubuntu or stackexchange?
16:21
Usually there's good quality of answers there...
16:22
<markit>
I've no more the notification in the "can'tsayhowcallit" part of the panel, but the "updates available" icon appears in any caseo
16:22
well, "who is so mad that does not want to have notification about updates?" whas the last answer I saw... I'll dig again tomorrow :)
16:23
<alkisg>
True, notification about updates shouldn't hurt
16:23
Did you update before ltsp image?
16:23
<markit>
I've also compared 14.04 to 20.04 performance (also real hw vs VMs), and 20.04 with new kde is 2x SLOWER
16:23
alkisg: ehm, no, I did not
16:23
I don't update because I'm trying to hide the notification...
16:24
so I need an "updatable system" that I don't update and I don't want to know about ;P
16:25
<alkisg>
The updates in the clients aren't updated nor changed
16:25
They reflect the state when you run ltsp image
16:25
If you had updated then, the clients will never see an update message
16:25
If you haven't, they'll always see it
16:25
<markit>
I see
16:25
<alkisg>
It's not related to what you have on the server now. It's only what you had right before ltsp image
16:26
Frozen at that point; it doesn't check for even newer updates etc
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17:27
<douglas_br>
Hello all
17:29
I did install windows in VM at LTSP. How does client run windows in client side? from Remina, maybe?
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17:39
<alkisg>
If you have good clients, they can run VMs too
17:39
Otherwise you need xfreerdp or remmina
17:49
<douglas_br>
@alkis ahh yeah, sorry my stupid brain
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