IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 3 October 2018 (all times are UTC)
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| 08:10 | <alkisg> !screenshot
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| 08:10 | <ltsp> screenshot: to upload a screenshot use a site like https://prnt.sc/ or https://snag.gy/ and then paste the URL here
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| 09:20 | <Hyperbyte> Yesplease.
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| 10:01 | <alkisg> !bug
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| 10:01 | <ltsp> bug: To file a bug report for upstream LTSP, go to https://bugs.launchpad.net/ltsp
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| 17:17 | <alkisg> vagrantc: heya, did you see the new one? :D https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=910216
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| 17:17 | That removal was there since ages, I don't know why they just saw it now...
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| 17:17 | I'm not sure how to handle this either; if that conffile stays there it launches epoptes twice and it's causing issues now with systemd
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| 17:18 | And https://wiki.debian.org/DpkgConffileHandling does say we can remove it on preinst etc
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| 17:18 | So I don't know why piuparts complains...
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| 17:21 | <vagrantc> alkisg: yes
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| 17:21 | alkisg: it's done improperly
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| 17:21 | <alkisg> What's the correct way to do it?
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| 17:21 | <vagrantc> alkisg: the removal should use dpkg-maintscript-helper
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| 17:21 | i'll fix it
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| 17:22 | <alkisg> Isn't that just one option out of all those referenced in that wiki page?
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| 17:22 | And we're just using another option of that wiki page?
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| 17:22 | Thanks, if you take care of it I don't need to learn more about it :D
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| 17:22 | <vagrantc> forcefully manually removing it breaks policy
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| 17:22 | e.g. if a user modified it, for better or worse, we cannot forcefully remove it
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| 17:23 | <alkisg> It's not a configuration file though, it's code :/
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| 17:23 | So it'll just result in epoptes not starting properly. But ok I get it :/
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| 17:23 | I should probably have used a symlink instead there
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| 17:24 | * vagrantc finds symlinks in /etc very dangerous ... since an admin might edit the file outside of /etc without realizing it | |
| 17:25 | <alkisg> Eh, if he edited our code in /usr/share/epoptes/if-up-script without realizing it, it'd be fine to delete it in newer versions :D
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| 17:25 | So we'd be fine policy-wise, and epoptes would start fine too :D
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| 17:26 | # find /etc -type l | wc -l
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| 17:26 | 1047
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| 17:26 | Not uncommon...
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| 17:29 | <vagrantc> i know
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| 17:29 | by forcefully deleting it in preinst, if the upgrade fails, it can't rollback to the working version, though
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| 17:29 | at least, that's the simplest of the million corner cases
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| 17:30 | basically, it comes down to the fact that debian packaging is too complicated, and so a lot of crazy stuff needs to be done to handle all the supported installation, upgrade, failed-install, failed-upgrade, etc.
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| 17:34 | alkisg: and the wiki page you referenced you didn't follow any of their examples :P
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| 17:34 | <alkisg> Hehe
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| 17:35 | <vagrantc> alkisg: the very first line suggest using dpkg-maintscript-helper ... but even if you ignore that, all of the given examples are much more complicated :P
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| 17:38 | <alkisg> Actually ifupdown should have given us an if-up.d dir in /usr, so /etc wouldn't even be involved then
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| 17:39 | Like systemd does with /lib/systemd/*
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| 17:39 | <vagrantc> sure
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| 17:40 | best practices of today are shoehorned on top of the best practices of yesterday :)
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| 18:42 | <alkisg> Btw I synced epoptes 1.0 to Ubuntu 18.10... best to support 0.5 as little as possible
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| 19:06 | <mwalters> hmm, ldm seems to be segfaulting in the 18.04 test environment I set up (on the client)
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| 19:07 | <vagrantc> segfaulting! exciting...
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| 19:09 | <mwalters> segfaults twice even!
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| 19:09 | one segfault just isn't enough
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| 19:20 | <mwalters> no more segfault, but doesn't ever seem to start X. Suck at "[ OK ] Started update UTMP about runlevel changes"
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| 19:21 | I did change the IP of the server, ran ltsp-update-sshkeys
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| 19:21 | <vagrantc> ip address shouldn't matter anymore- modern versions of ldm run without strict checking
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| 19:21 | it only checks that the key matches
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| 19:22 | <mwalters> oic
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| 19:56 | dist-upgrading and not getting tftp now =/... can manually tftp to it, though
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| 20:00 | <alkisg> !install
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| 20:00 | <ltsp> install: http://wiki.ltsp.org/wiki/Installation/Ubuntu for Ubuntu, or http://wiki.ltsp.org/wiki/Installation for other distributions
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| 20:00 | <alkisg> mwalters: are you following that one, or something else?
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| 20:03 | <mwalters> yeah, I followed that one
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| 20:03 | client was getting tftp at least before I ran dist-upgrade and rebooted
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| 20:03 | <alkisg> mwalters: with or without chroots?
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| 20:03 | <mwalters> with chroot
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| 20:04 | <alkisg> Do you have the ppa in the chroot?
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| 20:05 | <mwalters> nope :D
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| 20:09 | <alkisg> There are many, many known issues with ltsp in 18.04, if you're not using the ppa
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| 20:10 | You really don't want to troubleshoot those again; I already did that in the summer :)
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| 20:11 | <mwalters> Pretty sure I followed directions in that exactly, I don't see where it says I need to explicitely add the source to the chroot
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| 20:11 | <alkisg> ltsp-build-client --purge-chroot --mount-package-cache --extra-mirror 'http://ppa.launchpad.net/ts.sch.gr/ppa/ubuntu bionic main' \
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| 20:11 | That line adds the ppa to the chroot
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| 20:11 | If you did it as it says, you already have it
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| 20:11 | <mwalters> yeah, p sure I copy/pasted that
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| 20:11 | <alkisg> sudo ltsp-info ==> will tell us
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| 20:11 | <mwalters> it wasn't in sources in the chroot
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| 20:12 | or in or in sources.list.d
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| 20:12 | dunno, maybe I goofed
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| 20:13 | <alkisg> I think I just tried the chroot method once... but I think it did work
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| 20:13 | <mwalters> yeah, I'm rebuilding it and we'll see what happens
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| 20:22 | after rerunning the build client copy/pasted from the wiki, I don't see the ppa in the chroot
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| 20:23 | <alkisg> what's the output of `sudo ltsp-info | nc termbin.com 9999`?
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| 20:23 | <mwalters> should be in either /opt/ltsp/amd64/etc/apt/sources.list or a file in /opt/ltsp/amd64/etc/apt/sources.list.d/, right?
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| 20:23 | from the host or the chroot?
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| 20:23 | <alkisg> host
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| 20:24 | <vagrantc> doesn't it also need another keyring?
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| 20:24 | <alkisg> --apt-keys '/etc/apt/trusted.gpg.d/ts_sch_gr_ubuntu_ppa.gpg' --late-packages epoptes-client
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| 20:24 | It's there in the wiki...
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| 20:24 | <mwalters> root@test-server:/opt/ltsp/amd64/etc/apt# ltsp-info | nc termbin.com 9999
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| 20:24 | sh: 0: getcwd() failed: No such file or directory
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| 20:24 | <vagrantc> ah.
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| 20:24 | <mwalters> No LSB modules are available.
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| 20:24 | http://termbin.com/te7u
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| 20:24 | <alkisg> mwalters: you are "cd"'ed to a directory that you moved/deleted
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| 20:25 | <mwalters> ops
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| 20:25 | <alkisg> Your package versions show that you do have the ppa in the chroot
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| 20:26 | You can verify with `sudo ltsp-chroot apt policy ldm` etc
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| 20:26 | <mwalters> root@test-server:~# ltsp-info | nc termbin.com 9999
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| 20:26 | No LSB modules are available.
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| 20:26 | http://termbin.com/n2wi
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| 20:26 | root@test-server:~#
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| 20:27 | https://pastebin.com/akefiKTR
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| 20:27 | <alkisg> Can you paste the errors/segfaults that you see on the client?
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| 20:27 | <mwalters> it stopped doing that, haven't restarted a client since rebuilding
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| 20:27 | <alkisg> And `getltscfg -a` from a client might help as well
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| 20:27 | <mwalters> yeah, I'll get that tomorrow, gotta run in just a minute
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| 20:27 | thanks
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| 20:28 | <alkisg> bb
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