IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 14 March 2022 (all times are UTC)
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| 08:21 | <antaresgades> Good morning all.
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| 08:23 | alkisg: Sorry last friday it was too late for me to answer your petition of executing the command cat /proc/cmdline /proc/mounts | nc termbin.com 9999
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| 08:27 | That command doesn't work at all but I guess it would render a way to see it in the termbin page. However, I've executed just the first part of the command and published the results in a gist here:
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| 08:27 | https://gist.github.com/jtornero/97a85efc947ad9b919910bc914b56874
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| 08:41 | <alkisg> antaresgades: good morning, I'll be at my pc in an hour, we can check it then if you're online too
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| 08:44 | <antaresgades> Yes I will. By the way, I'm updating a wiki page I wrote some time ago regarding how to make possible having adminisitrative raspberry pis in the system.
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| 09:12 | <alkisg> > I created a new LTSP installation and copied a raspios chroot from another machine.
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| 09:12 | antaresgades: how did you copy the chroot? Maybe you missed the suid permissions etc
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| 09:13 | Can you vnc to me from the administrative client?
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| 09:13 | !vnc-dide
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| 09:13 | <ltspbot> vnc-dide: To share your screen with me, run this: sudo apt-get --yes install x11vnc; x11vnc -connect srv1-dide.ioa.sch.gr - this is a reverse connection, it doesn't need port forwarding etc.
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| 09:13 | <alkisg> (you should have x11vnc already if you have epoptes; no need to install it)
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| 09:21 | <antaresgades> alkisg: Unfortunately I am not allowed to share screen etc, sorry and thanks for your offering. Regarding the copying of the chroot, I compressed it with tar and uncompressed subsequently. I remember I did it some time ago nd it worked (in a virtual machine installation for tests) but maybe I did something wrong this time
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| 09:22 | <alkisg> antaresgades: np; but sorry I'm a bit time-pressed this period, and this particular issue will take a lot of time to solve over IRC, while it will only take a couple of minutes over VNC, so I can't help more :)
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| 09:22 | <antaresgades> The normal clients work without issue anyway
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| 09:23 | <alkisg> Maybe someone else will have time to help you in troubleshooting this, or maybe in #ubuntu or other channels you can find help
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| 09:24 | <antaresgades> Anyway, no problem at all, I understand perfectly (things are getting very tight here regarding IT things). However if any one can say how to do the chroot move to another machine properly, It would be very nice to know.
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| 09:25 | Thanks alkisg for your always kind support anyway
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| 09:25 | <alkisg> You can run `ltsp image` in the source machine and get the squashfs; or you can just use mksquashfs yourself
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| 09:25 | If apt-get works on the other clients though, something else is wrong
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| 09:25 | E.g. maybe your nfs export
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| 09:29 | <antaresgades> Well, because I didn't improved the previous installation (mostly because I can't install software, etc) I think it would be safe to delete the raspios in the new server and do the cloning operation properly. I'll drop some lines in the wiki after having success
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| 09:33 | <alkisg> It might be easier for you to use a real sd card, prepare everything the way you want it, and when you're done, insert it in the server and run cp -a /path/to/sdcard /srv/ltsp/raspios
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| 09:34 | The cp commands are described there: https://ltsp.org/docs/installation/raspios/#chroot-preparation
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| 09:39 | <antaresgades> The point here is that in the current installation a lot of work has been done, so cloning it rather than install raspios from scratch would we ideal
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| 09:46 | <alkisg> You can clone it to an sd card, boot with it, do the changes, and then transfer it to the server via the sd card
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| 09:46 | This will also allow you to ensure that the problem isn't in your source
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| 09:47 | I.e. if you can't pinpoint the issue (source chroot, clone process, wrong nfs settings), cloning it to an sd card and booting it locally will tell you were the problem was
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| 13:32 | <antaresgades> alisg: Finally I've managed to chroot properly into the raspios chroot. Is not as cool as with the administrative pi but it works. I will try to do another thing later, just make all the changes I need in the 'original' ltsp/raspios installation and then cloning it as I did before, providing it works for regular clients and also makes possible
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| 13:32 | chrooting.
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| 13:33 | I'll try to drop some lines in the wiki just in case someone needs to do a similar task. Thank you for you help and all this wonderful LTSP thing
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| 13:33 | <alkisg> Which wiki page are you editing?
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| 13:35 | <antaresgades> I left some time ago this https://github.com/ltsp/ltsp/wiki/Installing-software-in-your-Raspberry-Pis
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| 13:36 | so this time it would be a similar note but regarding to today's stuff
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| 13:37 | <alkisg> Great. I'll see if I can somehow automatically include all the wiki pages to ltsp.org so that they're properly indexed/searchable
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| 13:40 | <antaresgades> Thanks
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