IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 27 July 2018 (all times are UTC)
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| 04:40 | <alkisg> vagrantc: heya! "Epoptes removed from testing", are we supposed to take action there, or are we just waiting for the vnc maintainer to fix the FTBFS?
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| 04:46 | <vagrantc> alkisg: oh!
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| 04:47 | alkisg: if we can help ... it would probably be a good thing
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| 04:47 | * alkisg has just finished with the python3/gtk3 support, hopefully it won't be for nothing! | |
| 04:48 | <vagrantc> alkisg: i know we've switched vnc clients before ... not sure if there are other alternatives though
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| 04:48 | <alkisg> vagrantc: ah, if help is needed, we'd better pull Ubuntu's xvnc4viewer fix then
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| 04:48 | xvnc4viewer is still available in ubuntu and works much better than tigervnc
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| 04:48 | <vagrantc> alkisg: if there's a known fix commenting on the bug would be good
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| 04:48 | <alkisg> tigervnc doesn't support multiple incoming connection
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| 04:48 | That would be for the other bug though, where xvnc4viewer was removed from debian 2 years ago
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| 04:48 | <vagrantc> ah
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| 04:49 | alkisg: hmmmm... well, not sure what to do... heading to lunch soon
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| 04:49 | <alkisg> Maybe we can just change the recommended viewer to one that still exists in debian?
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| 04:49 | Will that be enough to keep it in testing?
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| 04:50 | <vagrantc> alkisg: should be enough to get it back into testing, if it still works :)
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| 04:50 | <alkisg> Sounds good then
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| 04:50 | <vagrantc> alkisg: will be back in an hour or so, maybe can chat more then?
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| 04:50 | <alkisg> Sure
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| 04:50 | Bon appetite! Or however it's spelled :)
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| 04:51 | * vagrantc waves | |
| 04:51 | <vagrantc> here it's spelled with entirely different character set :)
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| 07:27 | <alkisg> vagrantc: so maybe we can just put ssvnc as the first in the list?
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| 07:27 | xvnc4viewer | tigervnc-viewer | ssvnc | vnc-viewer,
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| 07:27 | becomes: ssvnc | xvnc4viewer | tigervnc-viewer | vnc-viewer,
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| 07:28 | And later on we may examine if we can get xvnc4viewer back to debian...
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| 07:41 | <vagrantc> alkisg: seems like a quick workaround
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| 07:41 | alkisg: how far along is the python3/gtk update?
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| 07:41 | alkisg: i'd just as soon wait for that
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| 07:41 | <alkisg> vagrantc: it's in a much better state than the currently released version is, but it's not over yet; I'll be working on that until about August 20th...
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| 07:42 | Ah sure then, we can wait till then
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| 09:41 | <Yoyoyoooo> Hi, how active is this channel?
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| 09:42 | Is it a viable source of support regarding NBD?
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| 10:00 | <alkisg> Yoyoyoooo: it is active for ltsp support
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| 10:00 | Specifically for nbd bugs, there's a bug tracker in its github page
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| 10:00 | What issue are you having?
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| 10:03 | <Yoyoyoooo> I followed the official LTSP wiki page on how to set up LTSP on Ubuntu Server 18.04, I opted for the chroot option as I want the server to be headless, I don't want Xorg on there, so I didn't include it.
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| 10:03 | Depite this wiki claiming it's more stable than the Ubuntu's own guide which is now abandoned and points to the LTSP wiki, I found it's more troublesome.
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| 10:04 | I get "Connect Refused" from nbd-client on my Thin Clients then dropped to a shell.
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| 10:04 | <alkisg> !nbd-client
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| 10:04 | <ltsp> nbd-client: To try mounting the NBD image from the client initramfs: nbd-client 192.168.67.1 -N /opt/ltsp/i386 /dev/nbd0
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| 10:04 | <Yoyoyoooo> I checked nbd-server on the LTSP server, and it's listening and accepting connections.
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| 10:05 | <alkisg> Can you try this from the client shell?
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| 10:05 | Replace the server ip, and i386 with amd64 in that line
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| 10:05 | <Yoyoyoooo> Yeah, that's what I did to confirm it's listening and accepting.
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| 10:05 | Oh the client shell! Yes, I'll try.
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| 10:05 | <alkisg> Btw, what do you mean "ubuntu's own guide"? The ubuntu wiki? It's just a host; the same users wrote both wikies :)
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| 10:06 | <Yoyoyoooo> I'm confused, when I first installed LTSP server, NBD was on port 2000, now it's on port 9571...
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| 10:06 | Yeah
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| 10:06 | <alkisg> It's been changed since 10 years now :)
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| 10:07 | With the change from port-based export, to name-based exports
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| 10:07 | What is the output of this, on the client? cat /proc/cmdline
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| 10:08 | <Yoyoyoooo> Aaaah, nice, I didn't know I could gain access to the kernel cmdline that way.
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| 10:10 | <alkisg> Btw, what's your dhcp situation, are you using an external dhcp server, or the proxydhcp mode, or the normal one?
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| 10:10 | <Yoyoyoooo> Hmm, I should look into ltsp-init, also root=/dev/nbd0 which looks right, however at busybox, it claims that dev node doesn't access
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| 10:10 | proxy-DHCP
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| 10:10 | <alkisg> As for the old ubuntu guide, it was using the alternate installer, which hasn't been available for 5 years now
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| 10:10 | So there wasn't even a cd to install from
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| 10:11 | <Yoyoyoooo> There is an 18.04 alternate installer, I have both ISOs on my hypervisor.
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| 10:11 | I thought it was only the installer that was different
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| 10:13 | I think I might have found the issue
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| 10:13 | The nbd0 dev node on the client takes too long to get allocated
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| 10:13 | therefore the thinclient is expecting it too soon
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| 10:14 | Would this have something to do with rootdelay?
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| 10:26 | alkisg: I'm not sure how to change the rootdelay, I tried in /etc/default/grub on the chroot, however there is no update-grub command.
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| 10:27 | <alkisg> Yoyoyoooo: the alternate installer doesn't have ltsp
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| 10:27 | It stopped around 2012 or something
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| 10:28 | The nbd dev node takes a long time?!! That's rather strange
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| 10:28 | <Yoyoyoooo> However, I installed LTSP from the Greek Schools repo.
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| 10:28 | <alkisg> So if you put `break=mount` in pxelinux.cfg/default, and you run `modprobe nbd`, you don't see the dev node?
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| 10:28 | <Yoyoyoooo> I've tried on several different servers, they all have the same problems.
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| 10:28 | <alkisg> How is the client nbd dev node related to the server?!
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| 10:29 | <Yoyoyoooo> It's not
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| 10:29 | <alkisg> Greek schools ppa => correct, that's where ubuntu is mostly supported
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| 10:32 | To verify that your diagnosis is correct, put break=mount in /var/lib/tftpboot/ltsp/amd64/pxelinux.cfg/default, reboot client, wait 10 secs on shell, type exit
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| 10:32 | That should give you all the delay that you need to test
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| 10:32 | I doubt it though, as the /dev/nbd* nodes are usually immediately available after modprobe
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| 13:24 | <fiesh> hmm ltsp-update-image uses mksquashfs using its default gzip by default -- anyone tried lzo or xz? Seems xz might be the best option, saving client ram, and once its in cache, its unpacked anyway?
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| 13:32 | <alkisg> fiesh: I think vagrantc has proposed it at some point; I don't know if anyone has done any cpu/speed benchmarks
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| 13:33 | I don't think that it makes any difference wrt RAM. The image is cached in its compressed form, not uncompressed
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| 13:33 | I.e. at the block level, while then the file system decodes it when needed, at the file level
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| 14:51 | <agustin^server-B> faa
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| 14:51 | hxr
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| 14:51 | jdtjdt
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| 16:44 | <quinox> well said
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| 18:39 | <jammcq> hey all
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| 19:32 | <quinox> hi jammcq
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| 19:33 | <petr> Hello to all :)
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| 19:34 | <Petr> Can anybody help me? I can't setup fat clients on ubuntu 18.04. My problem is - dns doesn't work. In resolve.conf i has 127.0.0.53. When i change it to external dns service - it starting work. But it's not good idea - i think. How can i fix systemd-resolved?
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| 19:46 | <derick_> hello :)
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| 19:47 | <quinox> Petr: that's not really a LTSP question... I suppse it depends on why systemd-resolved is broken
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| 19:47 | try journalctl -u systemd-resolved
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| 19:47 | * quinox waves at derick_ | |
| 19:49 | <derick_> Petr: editing resolve.conf is not a good idea. It would again change back to 127.0.0.53 after some time.
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| 19:52 | <derick_> I was also facing this issue. workaround that I used was to change resolv.conf.d/head and regenerating the resolv.conf . Solution is to use new version of ltsp.
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| 20:06 | <bengoa> jammcq, I guess I know you from somewhere :-)
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| 20:06 | <Petr> Hm. I using last version from ppa...
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| 20:08 | Sorry for wait, I departed from the computer
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| 20:17 | In journalctl -u systemd-resolved a has not errors.
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| 20:18 | it is fresh clean install
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