IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 7 December 2021 (all times are UTC)
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| 12:37 | <stappers> leet
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| 14:52 | <DenisBonnenfant[> Hello, is there a way to pass hostname to ltsp client from kernel command line ? I tried systemd.hostname=myhostname, but it doesn't work
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| 14:53 | <alkisg> Denis Bonnenfant: you can put `[mac:address]<enter>HOSTNAME=x` in ltsp.conf
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| 14:55 | <DenisBonnenfant[> All my hosts in samba ldap ad server, so duplicating it in ltsp.conf is not optimal,
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| 14:55 | <alkisg> How would you pass the hostname in the kernel cmdline without creating a file with it?
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| 14:57 | <DenisBonnenfant[> I'm using my own ipxe server, which gets ltsp server ip from computer groups, and has acces to mac, hostname, ip information for hosts
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| 14:57 | <alkisg> You have an ipxe server but not dhcp server, to put the hostname properly in dhcp?
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| 14:58 | In any case, you can also use: ltsp.hostname=xx
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| 14:58 | In the cmdline
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| 15:00 | <DenisBonnenfant[> Ok, ltsp.hostname=xxx is just perfect for me ! I will try it, thanks !
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| 15:00 | <alkisg> 👍️
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| 15:01 | You can also add more ltsp.parameters that way
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| 15:01 | <DenisBonnenfant[> Ok, I hadn't found it in the code
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| 15:28 | <DenisBonnenfant[> It works. Now another cosmetic problem : I'm using a systemd startup unit to get a lockscreen composited with hostname for gdm and plymouth. Is there a way to run it earlier, from ltsp.conf ?
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| 15:29 | For plymouth it doesn't matter anyway...
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| 15:30 | <alkisg> POST_INIT_SCRIPT="/path/to/script"
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| 15:31 | <alkisg> In ltsp.conf... or in cmdline :)
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| 15:32 | <DenisBonnenfant[> ok ! The "new" ltsp is just amazing ! I'm integrating in in https://sambaedu.org suite, designed for french schools.
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| 15:32 | <alkisg> Great, do you have many schools with this system?
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| 15:33 | <DenisBonnenfant[> more than 500
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| 15:33 | <alkisg> I'm mainly maintaining ltsp for 1000+ greek schools at this point...
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| 15:33 | Nice!
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| 15:34 | <DenisBonnenfant[> I'm working on allowing teacher to convert automatically a full configured linux client to ltsp server, and distributing it to it's classroom
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| 15:35 | <alkisg> We have that down to a single line, using ltsp-manager...
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| 15:35 | <alkisg> wget installer.sh | bash, and it's done; then there's a GUI for managing users etc
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| 15:36 | And we have a few debian repositories with updated software versions, and lots of greek educational software packaged in .deb form
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| 15:36 | Are you using chrootless ltsp, or with a chroot/image?
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| 15:36 | <DenisBonnenfant[> Yes, but we already have a web interface, with all the AD integration, as most of the computers are primarly used with W10...
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| 15:38 | <alkisg> Did you have any issues using ltsp clients with AD? Do they need to be registered on a per-client basis?
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| 15:38 | <DenisBonnenfant[> I'm using rootless, as we already have a completely automated Win/Linux deplyment system, so reinstalling a machine is not an issue;
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| 15:40 | alkisg: That's the amazing point : nothing needed ! if the server is joined to the domain, I just had to add a net join in startup to renew kerberos join, and it just works.
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| 15:41 | <alkisg> Ah, I thought AD would complain about multiple PCs with the same registration. Nice :)
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| 15:44 | <DenisBonnenfant[> Non, that's whiy I needed to keep the registered name of the client : provided that the credentials are ok, net join will just update computer account in AD. When switching back to W10, it is still ok, Windows is doing the same.
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| 15:46 | I have to exeriment the whole process, but it looks good !
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| 15:47 | <alkisg> And I guess the image will "expire" after a while, along with the kerberos ticket, so you'll need to run ltsp image e.g. once per week or month or something
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| 15:47 | Or, you'll need to put the ticket information in /etc/ltsp for the clients to retrieve it via the smaller ltsp.img
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| 15:48 | <DenisBonnenfant[> Not sure... There are mysteries with AD domains...
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| 15:48 | But yes It is a thing to ckeck !
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| 15:49 | <alkisg> 👍️
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| 15:50 | <DenisBonnenfant[> the next point is to mount /home with kerberos nfs4. For the moment it is mounted unsecure...
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| 15:51 | Normally it should work.
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| 15:52 | I added the mount line in ltsp.conf, but as it was already in place in the original image I wonder if it is necessary
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| 15:53 | <alkisg> It is, because /etc/fstab is regenerated on boot
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| 15:53 | <DenisBonnenfant[> Ok
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| 15:53 | <alkisg> There's no point in keeping e.g. the server's /dev/sda on the client
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| 15:53 | <DenisBonnenfant[> Of course. It may be quite dangerous :)
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| 15:56 | In fact my nfs mount was a systemd unit. It is suppressed too ?
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| 15:59 | Another question : is there an environment variable saying that the client is in ltsp mode ?
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| 15:59 | <alkisg> test -d /run/ltsp/client
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| 15:59 | <DenisBonnenfant[> ok perfect
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| 16:00 | <alkisg> I deliberately avoided environment variables
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