IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 19 March 2015 (all times are UTC)
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| 07:09 | <vmlintu> alkisg: what did you have in mind about nvidia drivers?
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| 07:09 | <alkisg> Good morning vmlintu
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| 07:09 | I would like to create an nvidia-current-ltsp package that we can install anywhere, and that it only activates itself when booted as an ltsp client
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| 07:09 | I think you've done something like that already?
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| 07:10 | Ideally, I would like to do that for nvidia-legacy too...
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| 07:10 | And maybe even fglrx
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| 07:11 | *when booted as an ltsp client and an nvidia card is present, of course...
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| 07:15 | <vmlintu> Good morning. The sun is shining nicely again..
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| 07:15 | Here's the modified package: https://github.com/opinsys/opinsys-debs/tree/master/packages/default/nvidia-graphics-drivers-304/debian
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| 07:15 | And here's the code to activate it: https://github.com/opinsys/puavo-ltsp/blob/master/client/init-puavo.d/90-puavo-setup-xserver
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| 07:16 | <alkisg> That's all? No initramfs code needed?
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| 07:17 | <vmlintu> Let me check for that to be sure - it's been quite a while since I've touched the nvidia drivers
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| 07:18 | <alkisg> Does it work like I described, i.e. can I have it installed on a system without worrying about it breaking GL when a non-nvidia graphics card is installed?
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| 07:19 | <vmlintu> Yes.. basically it installs all the files, but doesn't run update-alternatives at install time, but only when one wants to use it. That way the nvidia libraries do not replace any files if the driver is not activated
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| 07:20 | <alkisg> That's very nice, thank you... do you provide a .deb file somewhere?
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| 07:20 | <vmlintu> We are not using fglrx with trusty, so there's no existing package for that to do the same
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| 07:20 | http://archive.opinsys.fi/git-master/
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| 07:21 | <alkisg> Thanks!
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| 07:25 | <vmlintu> I just checked the initramfs on my laptop and couldn't find anything special regarding nvidia, but there could be some trick somewhere that I have forgotten
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| 17:22 | <awei> hi, I'm setting up a small office network (~10 users) with fat clients. I have the LTSP and fat client working. I'm wondering what I should do about authentication, shared folders and retrieving user's home folder from any client. Any suggestions?
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| 17:23 | <vmlintu> alkisg: Did you try the package? Did it work?
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| 17:23 | <alkisg> Hi vmlintu, no I didn't have the chance yet, maybe next week
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| 17:24 | awei: the user's home folder is mounted by ltsp using sshfs
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| 17:24 | authentication is managed by ltsp with ssh
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| 17:24 | So I'm wondering what do you mean that you have LTSP working.... :)
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| 17:25 | <awei> sorry, noobish questions... Let me see if i understand you correctly. I can create new user accounts via chroot on the LTSP server for each of the user and they can access their home folder via any client. Is that correct?
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| 17:25 | <alkisg> No
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| 17:25 | <vmlintu> alkisg: ok.. I'm really not sure if there was some small piece somewhere that I have forgotten, so let me know if it doesn't work..
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| 17:25 | <alkisg> You create users on the server, not on the server's chroot
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| 17:25 | vmlintu: will do, thanks again
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| 17:26 | <awei> ok
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| 17:26 | and they can access the folder when the log in via fat client
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| 17:26 | <alkisg> Yes, server:/home/username will be visible in client:/home/username
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| 17:27 | <awei> Is there any benefit of creating an LDAP server for control access to certain shared folders, printers, etc?
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| 17:27 | <alkisg> I don't know how LDAP can share folders or printers
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| 17:28 | <awei> sorry, LDAP to authenticate to samba which will then share folders/printers
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| 17:29 | <alkisg> Are the folders and printers on a windows server?
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| 17:29 | <awei> no, they'll be served from the LTSP server as well
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| 17:30 | <alkisg> Then why would you use a windows technology if you're not using windows?
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| 17:30 | <awei> jWe'll have some windows clients
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| 17:30 | <alkisg> They'll authenticate to ltsp?
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| 17:31 | <awei> No, they're just on the network and need access to shared folder or printer
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| 17:31 | <alkisg> Use samba for those, but you don't need samba for ltsp clients
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| 17:31 | <awei> ok, thanks.
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| 17:56 | <SWOCC> Just curious if anyone has tried this. I've got all FAT clients and want to install VirtualBox on the LTSP image. Having some issues with missing files / folders in /sys for Virtualbox to run. Anyone try this before?
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| 18:12 | <alkisg> SWOCC: it's very very easy with ltsp-pnp
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| 18:12 | !ltsp-pnp
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| 18:12 | <ltsp`> ltsp-pnp: ltsp-pnp is an alternative (upstream) method to maintain LTSP installations for thin and fat clients that doesn't involve chroots: https://help.ubuntu.com/community/UbuntuLTSP/ltsp-pnp
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| 18:12 | <alkisg> Otherwise you need the chroot to have the same kernel/arch as the server,
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| 18:12 | ...or tricks to trick it to think so
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| 18:13 | <vagrantc> how would virtualbox know what kernel the server is running on a fat client?
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| 18:13 | oh, to build the out-of-tree modules...
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| 18:13 | <alkisg> At install time it uses dkms
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| 18:13 | Yup
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| 18:13 | <SWOCC> alkisg: I've tried ltsp-pnp and LOVE it, but for the life of me couldn't get LDAP to work with it. LDM would not authenticate.
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| 18:14 | <alkisg> SWOCC: you can maintain your chroot with ltsp-pnp, you don't need to use the same server if you don't want to
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| 18:14 | <SWOCC> That's true. Good idea.
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| 18:14 | <alkisg> I mean, install ltsp-pnp to a template client and then copy the result to the server's /opt/ltsp/images
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| 18:15 | (or use a VM)
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| 18:15 | <SWOCC> Great idea. I'm going to try that.
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| 18:15 | <alkisg> About LDAP, you've configured your server to use external ldap, and then the changes propagated to the clients?
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| 18:16 | <SWOCC> External LDAP, yes.
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| 18:16 | <alkisg> I'd like to hear about that, maybe there's an easy workaround for ltsp's cleanup.d directory there
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| 18:17 | IF it suits you better, of course...
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| 18:19 | <SWOCC> alkisg: You're in Greece right? Interested in an intern?
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| 18:19 | <alkisg> Hehe, I'm not affiliated with any university unfortunately
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| 18:20 | Where are you from?
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| 18:20 | <SWOCC> alkisg: Student in the USA. Looking to move to Europe for 3-6 months.
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| 18:21 | <alkisg> Age? High school, college...?
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| 18:21 | <SWOCC> alkisg: College.
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| 18:22 | aklisg: Epoptes is your product as well I believe. Great product.
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| 18:22 | <alkisg> Italc was crashing too much at that time, so... :)
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| 18:28 | <SWOCC> alkisg: Age 20, College: Southwestern Oregon College
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| 18:29 | alkisg: Interested in Linux, embedded systems, and software development in general.
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| 18:32 | <alkisg> How's your python/gtk/qt ?
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| 18:33 | <SWOCC> alkisg: Qt good. No experience with python or gtk. Most of my experience has been rooted in C / C++ / Javascript / PHP / SQL
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| 18:34 | aklisg: Use Qt here for all GUI interfaces.
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| 18:35 | <alkisg> That's quite good, if I hear anything here in Greece I'll ping you :)
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| 18:35 | <SWOCC> Thanks.
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| 18:36 | In the meantime. You seemed interested in my external LDAP. Anything I can clarify for you?
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| 18:36 | <alkisg> I mean, why was it breaking with ltsp-pnp
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| 18:37 | <SWOCC> alkisg: Could authenticate in terminal but would fail with LDM login screen.
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| 18:38 | <alkisg> Well if you ever want to try that again, do come here when you're able to give feedback directly
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| 18:38 | In other words, if you ever want to troubleshoot that, ping me
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| 18:38 | <SWOCC> alkisg: So ctrl-alt-f2 - terminal. Use valid ldap user and password.... works. I believe LDM was using SSH.
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| 18:39 | <alkisg> ldm is using ssh, so you have to configure ldap for ssh, yes
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| 18:39 | <SWOCC> alkisg: Thanks again. I'll jump on that next week.
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| 18:40 | alkisg: When I ( thought I did ) configured SSH I could get SSH authentication to work, but it was not consistent. I even was able to login through LDM, once. Then it failed the second time.
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| 18:40 | I'll review my configuration and get back with you.
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| 18:40 | <alkisg> ok :)
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| 19:18 | <vagrantc> doh.
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| 19:18 | that's actually someone in the same region
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