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

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Channel log from 22 November 2016 (all times are UTC)

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17:21	<dshah> I just installed ubuntu 16.04 server version, How can I install LTSP? which support x
17:23	I just installed ubuntu 16.04 server version, How can I install LTSP? which support x32 thin clients?
17:27	can please seomeone help? guess no one here :/ if anyone can email me how to setup please send at divxtamana at gmail.com...thanks
17:33	<sbalneav> dshah: There's lots of howto's and information available.
17:33	Start with installing the ltsp-server-standalone package.
17:39	<dshah> @sbalneav thanks for replying, I read somewhere its not good to instal standalone package? I installed 'ltsp-server' , I found some guide but they were for old Ubuntu versions
17:40	<sbalneav> Depends on if you already have a dhcp server or not.
17:40	bbiab
17:40	<dshah> I dont have any dhcp server, its fresh install of ubuntu 16.04 server version
17:42	can u please link me any upto date guide? I m using ubuntu 16.04 server version on x64 bit machine n i need to setup x32 thin clients ... if i can have a step-to-step commands it will help m so much...i m googling from 4 days :/
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19:24	<sbalneav> dshah: https://help.ubuntu.com/community/UbuntuLTSP
19:24	https://help.ubuntu.com/community/UbuntuLTSP/LTSPQuickInstall
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19:33	* vagrantc waves to sbalneav
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19:33	<sbalneav> Hey vagrantc
19:33	I've been working slowly, but steadily.
19:34	10:01:42 sbalneav https://code.launchpad.net/~ltsp-upstream/+git/libnss-external
19:34	10:01:51 sbalneav https://code.launchpad.net/~ltsp-upstream/+git/ltsp-pam
19:34	I've (80%) rewritten libpam-sshauth as a python module which can be used with libpam-python
19:34	and I finally got libnss-external to work
19:35	<vagrantc> oh wow
19:36	<sbalneav> Here's what I have working
19:37	I have a VM with no users define on it, with Mate desktop installed.
19:37	I can login as someone referencing a server elsewhere via ssh, plus pull across all the user geometry, and have it work via libnss-external
19:37	it spawns the ssh tunnel during the auth phase, so we don't need to store the password.
19:38	The only thing that doesn't work is that the tunnel can't forward X yet, but that's because I haven't waved the appropriate magic wands to copy the XAUTH keys from root to the users session yet.
19:38	Have a look at the python module, see if you can follow it.
19:38	ssh.py
19:39	in the "pam.d" directory is the changes to common-auth and common-session needed
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19:49	<sbalneav> vagrantc: When is the hackathon? I'm going to try to have this done by then. It's already reasonable, and I think a pam module'll be far more hackable for you guys.
20:09	<vagrantc> sbalneav: approximately the 3rd-10th
20:10	sbalneav: so, basically, replacing libpam-sshauth with libpam-python + ssh.py, and using libnss-external instead of libnss-extrafiles?
20:10	<sbalneav> Right.
20:11	the bulk of the work's being done in the ssh.py, which means hackability is greatly improved.
20:11	Since it's now a script.
20:11	<vagrantc> right
20:12	<sbalneav> pam_python's already a package in debian, so all I have to do is whip libnss-external into packageable shape. And, of course, the further work on ssh.py.
20:14	It's close. A bit more testing, one more man page, and a bit more to the README
20:16	The primary problem with extrafiles is that it's only one file you're modifying.
20:16	nss-external comes with multifile.
20:16	You set up a /var/lib/multifile
20:17	underneath that, you have directories passwd, group and shadow.
20:17	<vagrantc> is this all part of a plot to make multiseat work? :)
20:17	<sbalneav> Underneath THOSE, you can have as many passwd, group, or shadow formatted files as you like.
20:17	Yes, basically.
20:17	So, ssh.py downloads the user geometry
20:18	adds the files needed, and here's the magic
20:18	Makes them owned by the user.
20:18	Now, when the user drops privs, you can delete the files on session end as the user, cleaning up after themselves.
20:19	<vagrantc> but wouldn't they then be able to change their own default UID/GID and such?
20:19	<sbalneav> hmm. potentially.
20:20	The alternative is to not make the files owned by the user
20:20	but then they can't be cleaned up on session end.
20:20	since user has dropped privs.
20:21	But that's all controlled from the ssh.py, so we can easily change whatever we want, without recompiles now.
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20:28	<vagrantc> sbalneav: well, i look forward to giving it a test run ... probably not till the hackfest :)
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21:12	<JerryT> sch-scripts where is the actual package located?
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