IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 25 May 2018 (all times are UTC)
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| 10:26 | <danboid> I'm setting up my first test LTSP server under 16.04 but the docs seem to be a bit lacking
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| 10:26 | Maybe I'm not looking in the right place?
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| 10:27 | As far as ubuntu is concerned, there is this very minimalistic page https://help.ubuntu.com/community/UbuntuLTSP/LTSPQuickInstall
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| 10:27 | <alkisg> This is a very old page that noone decided to update
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| 10:27 | Here's a new one:
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| 10:27 | !ltsp-pnp
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| 10:27 | <ltsp> ltsp-pnp: ltsp-pnp is the recommented method to install and maintain LTSP for "usual" setups. Since it doesn't involve chroots, it requires little to no command line to maintain it. It automatically supports both thin and fat ltsp clients. https://help.ubuntu.com/community/UbuntuLTSP/ltsp-pnp
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| 10:29 | <danboid> alkisg, OK, thanks I'll have a look at that one
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| 11:17 | <danboid> alkisg, I presumed I was going to be best off installing LTSP on top of Ubuntu server 16.04 but after reading through that guide it sounds like I may be better off using regular Ubuntu 16.04 (or Ubuntu MATE 16.04) instead unless I want to exclude loads of services from the lts image?
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| 11:18 | <alkisg> danboid: the main question is, do you want to maintain a "server and a chroot", or a "desktop-like pc"?
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| 11:18 | The second way doesn't use a chroot, but the server / as a template
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| 11:20 | <danboid> I want to keep things as simple as possible for my first test so I think the second option is prob going to be best
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| 11:20 | <alkisg> danboid: indeed; so follow "blindly" the ltsp-pnp page
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| 17:01 | <danboid> alkisg, Getting somewhere now. I've just run ltsp-update-image but why does it report 36K duplicate files?
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| 17:05 | alkisg, It seemed to create the image fine anyway
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| 17:08 | vagrantc, ^^
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| 17:09 | Just asking out of interest, I presume it won't be an issue
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| 17:10 | <vagrantc> i'e either run ltsp-update-image too many times that i don't recall that message, or i've not seen it :)
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| 17:19 | <danboid> vagrantc, Haha! I'm sure its nothing to worry about, just sounds a bit odd
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| 17:19 | <vagrantc> if it's using squashfs, it would make sense that squashfs would do file de-duplication, but 36k files sounds like a lot
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| 17:20 | <danboid> Yes its squashfs'd
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| 17:20 | <vagrantc> unless maybe you're building an image from / and you also have a chroot in /opt/ltsp/* ... but i *thought* ltsp-update-image excluded /opt/ltsp/
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| 17:21 | <danboid> I've just been following https://help.ubuntu.com/community/UbuntuLTSP/ltsp-pnp by rote
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| 17:21 | ie unmodified, not deviating
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| 17:25 | <vagrantc> from a fresh install?
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| 18:17 | <danboid> vagrantc, back
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| 18:17 | vagrantc, Yep, fresh install of Ubuntu 16.04 desktop amd64
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| 18:17 | standard unity version
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| 18:23 | I've hit a snag following that guide. '/etc/dnsmasq.d/ltsp-server-dnsmasq.conf' doesn't exist and so the sed command modifying that file fails
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| 18:24 | I only have one conf file in that dir and its called network-manager
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| 18:25 | <vagrantc> did you run "ltsp-config dnsmasq" ?
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| 18:25 | danboid: that's in the Installation steps
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| 18:25 | <danboid> vagrantc, Nope, thats missing from the
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| 18:26 | sorry
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| 18:26 | <checks command history>
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| 18:26 | <vagrantc> danboid: also curious why you're doing it by hand instead of using ltsp-manager
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| 18:27 | !ltsp-manager
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| 18:27 | <ltsp> ltsp-manager: LTSP Manager is a GUI tool that makes LTSP maintenance easy. It's the recommended way to install LTSP in common setups. More info: http://wiki.ltsp.org/wiki/Ltsp-manager
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| 18:27 | <danboid> You're right, I missed that command
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| 18:27 | <vagrantc> i mean, i still do it by hand out of habit, and am not much of a GUI person ...
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| 18:28 | <danboid> I'm doing it this way as alkisg recommended I follow this guide. ltsp-manager would've done it all for me you say?
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| 18:29 | <vagrantc> if alkisg recommended it, maybe there was a reason ...
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| 18:29 | danboid: it would do some of the steps for you
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| 18:30 | <danboid> I see why I didn't run `ltsp-config dnsmasq` as I tagged that onto the end of the previous apt-get install line. I saw the dnsmasq and presumed it was continuing from the previous line :)
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| 18:30 | <vagrantc> and leave less room for typos
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| 18:31 | <danboid> I thought ltsp-config was a package too :)
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| 18:32 | I'll be checking out ltsp-manager imminently anyhoo
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| 18:33 | <vagrantc> i see, that wiki page renders it in a way where that would be an easy mistake to make
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| 18:33 | <danboid> yep
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| 18:34 | <vagrantc> more whitespace would be helpful there
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| 18:34 | * vagrantc suspects those sections were made for cut-and-pastability | |
| 18:38 | <danboid> It's PXE boot time! Fingers crossed! Back shortly!
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| 18:49 | <danboid> Not quite, but close?
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| 18:50 | Begin: Running /scripts/local-block ... done
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| 18:50 | several times
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| 18:50 | then busybox
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| 18:50 | Gave up waiting for roor device
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| 18:50 | *root
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| 18:51 | Its booting the kernel at least
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| 18:53 | dev/nbd0 does not exist it sez
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| 18:54 | I should prob just reboot my LTSP server and try again
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| 18:56 | How do I check nbd is configured correctly?
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| 18:57 | vagrantc ^^
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| 18:57 | alkisg, ^^
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| 19:00 | Just had a look at my lts.conf but couldn't see anything nbd related in there
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| 19:02 | Aha! It might be issue 3 in the relevant bug reports?
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| 19:03 | It says I should try running sudo dpkg-divert --rename --divert /etc/nbd-client.init /etc/init.d/nbd-client
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| 19:03 | If that is my prob?
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| 19:05 | OK I'm going to reboot my LTSP server then try again. If that doesn't fix it I'll run that command
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| 19:10 | <danboid> Nope
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| 19:10 | Getting nothing now
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| 19:10 | I obvs need to start LTSP manually
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| 19:10 | sudo service start wha?
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| 19:13 | <vagrantc> danboid: IPAPPEND=3 in your update-kernels.conf ?
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| 19:13 | <danboid> Yep
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| 19:14 | <vagrantc> and in /var/lib/tftpboot/..../pxelinux.cfg/default ?
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| 19:16 | <danboid> I've got `ipappend 3` in there, no equals inbetween
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| 19:20 | All the kernel entries in there have `ipappend 3` on the line following the append line
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| 19:21 | I wa expecting that installing the LTSP packages would've made its required services auto start on boot but that seems not to be the case
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| 19:22 | I could at least PXE boot into a kernel before I restarted my LTSP serverr
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| 19:22 | (after finishing stepping through that guide)
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| 19:26 | <alkisg> Hi all. vagrantc, regarding copyright notices at the top of the files, do you think this format is OK? (copied from sphinx): https://github.com/eellak/gsoc2018-epoptes/commit/bb587fe7e9ffc811c33c9f58a618bdecd0bc15e6#diff-2f08d2037f2e4ff0dbb1a525b54f8421
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| 19:26 | I.e., instead of having all the gplv3 license there, to only have "+ :copyright: Copyright 2010-2018 by the Epoptes team, see AUTHORS. + :license: GPLv3, see LICENSE for details."
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| 19:27 | <danboid> alkisg, That guide you linked to didn't quite work. I could PXE boot into a Linu kernel but then it failed to find /dev/nbd0
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| 19:28 | alkisg, Now I've rebooted my LTSP server I have nothing so its clearly not starting te required sevices at boot
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| 19:31 | alkisg, I did every step using regular desktop Ubuntu 16.04 amd64 with no extra packages or tweaks
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| 19:31 | <vagrantc> alkisg: it's probably fine.
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| 19:33 | alkisg: alternately, going with something like the SPDX headers: https://en.wikipedia.org/wiki/SPDX
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| 19:36 | alkisg: i haven't actually used SPDX in practice, but linux & u-boot have largely switched to that in recent years
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| 19:36 | <alkisg> vagrantc: thanks; i read about it a couple of years ago, i'll focus on that
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| 19:37 | <danboid> No suggestions?
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| 19:37 | <alkisg> danboid: i'll be available in about half an hour
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| 19:37 | <danboid> alkisg, OK
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| 19:38 | <vagrantc> alkisg: although, i'm having trouble finding useful information on SPDX ... so... ugh.
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| 19:40 | alkisg: or at least, a simple "how to apply SPDX headers without reading an overly long specification manual"
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| 19:44 | <alkisg> danboid: due to a bug in 16.04, you need to also run these: http://wiki.ltsp.org/wiki/Ltsp-manager/Installation
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| 19:46 | <danboid> alkisg, OK, I'll try that
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| 20:07 | <danboid> alkisg, I've made those changes and rebooted but PXE booting is broken. It scans for TFTP and fails
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| 20:08 | alkisg, It was getting further than that previously, until I rebooted my LTSP sever
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| 20:10 | <vagrantc> is dnsmasq running?
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| 20:12 | <danboid> Yes but
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| 20:12 | no servers found in /var/run/dnsmasq/resolv.conf
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| 20:12 | Why was it working previously?
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| 20:14 | Oh I see
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| 20:14 | Conflict
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| 20:14 | I have dnsmasq running on my bpi too so that file is pointing at my bpi
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| 20:15 | <vagrantc> and your bpi is configured to do dhcp and/or proxydhcp too?
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| 20:15 | (bananapi?)
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| 20:15 | <danboid> yep
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| 20:16 | Its running pihole
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| 20:17 | My router wouldn't let me set DNS so I had to use DHCP on my bpi instead
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| 20:19 | So, rather than disabling DHCP/dnsmasq on my bpi, I need to reconfigure dnsmasq where?
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| 20:20 | <vagrantc> if the bpi is just doing dhcp and not proxydhcp, it should "just work".
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| 20:21 | but if it's also advertising alternate boot information, you'll have issues
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| 20:21 | <danboid> So if I disable dnsmasq on my LTSP server, it should jut work you say?
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| 20:21 | <vagrantc> no
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| 20:22 | dnsmasq on the LTSP server should be configured to proxy dhcp requests and add the information necessary to boot ltsp
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| 20:22 | that's the default ltsp-pnp configuration ...
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| 20:23 | <danboid> I'll just unplug my bpi whilst testing LTSP, that should do iy
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| 20:25 | <vagrantc> it clearly did something..
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