IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 26 February 2018 (all times are UTC)
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| 17:17 | <jp_> alkisg: Are you around and have some time to troubleshoot ?
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| 17:20 | <SmashK> brand new
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| 17:21 | Did a clean install of Debian 9.3 amd64 into a VirtualBox
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| 17:21 | did everything up to http://wiki.ltsp.org/wiki/Ltsp-manager/Installation
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| 17:22 | starting my thin-client (virtual-box pxe-machine) gives me "error: socket failed: connection refused"
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| 17:23 | dev/ndb0 does not exist
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| 17:24 | anyone able to give a little support?
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| 17:25 | nehemiah has joined IRC (nehemiah!~nehemiah@saphar.net) | |
| 17:37 | <alkisg> !nbd-client
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| 17:37 | <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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| 17:37 | <alkisg> SmashK: try that ^ from the initramfs shell
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| 17:52 | <SmashK> still eroor: socket failed
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| 17:54 | <alkisg> Now try without the initial /, i.e. -N opt/ltsp/i386
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| 17:54 | <SmashK> down in /dev there is a directory (?) called nbd0 (among many others)
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| 17:55 | but "sh: CD: cant'd cd to nbd0"
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| 17:55 | same without leading /
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| 17:57 | <SmashK> ping to 192.168.178.1 in initramfs is fine
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| 17:58 | showmounts
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| 17:58 | sry
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| 18:19 | <alkisg> SmashK: /dev/nbd0 is a device, not a directory, you can't cd into it
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| 18:19 | <SmashK> ah ok
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| 18:19 | <alkisg> What's the output of `grep -r . /etc/nbd-server` on the server?
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| 18:22 | <SmashK> alot :D can't copy it out of my virtmachine into hosts firefox
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| 18:23 | tried to update client image with ltsp-manager, ended in "The given volume was not found"
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| 18:24 | <SmashK2> ok, its me on the virt-box server
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| 18:24 | root@debian9LTSPServer:~# grep -r . /etc/nbd-server /etc/nbd-server/conf.d/ltsp_amd64.conf:[/opt/ltsp/amd64] /etc/nbd-server/conf.d/ltsp_amd64.conf:exportname = /opt/ltsp/images/amd64.img /etc/nbd-server/conf.d/ltsp_amd64.conf:readonly = true /etc/nbd-server/conf.d/ltsp_amd64.conf:authfile = /etc/ltsp/nbd-server.allow /etc/nbd-server/conf.d/swap.conf:[swap] /etc/nbd-server/conf.d/swap.conf:exportname = /tmp/nbd-swap/%s /etc/nbd-server/co
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| 18:25 | root@debian9LTSPServer:~# grep -r . /etc/nbd-server /etc/nbd-server/conf.d/ltsp_amd64.conf:[/opt/ltsp/amd64] /etc/nbd-server/conf.d/ltsp_amd64.conf:exportname = /opt/ltsp/images/amd64.img /etc/nbd-server/conf.d/ltsp_amd64.conf:readonly = true /etc/nbd-server/conf.d/ltsp_amd64.conf:authfile = /etc/ltsp/nbd-server.allow /etc/nbd-server/conf.d/swap.conf:[swap] /etc/nbd-server/conf.d/swap.conf:exportname = /tmp/nbd-swap/%s /etc/nbd-server/co
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| 18:25 | damn
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| 18:25 | <nehemiah> With LTSP and LDAP, when a user logs in for the first time, no 'login' keyring is created. Is this usual and can I change that?
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| 18:25 | <SmashK2> apd %s /etc/nbd-server/conf.d/swap.conf:postrun = rm -f %s /etc/nbd-server/conf.d/swap.conf:authfile = /etc/ltsp/nbd-server.allow /etc/nbd-server/config:[generic] /etc/nbd-server/config:# If you want to run everything as root rather than the nbd user, you /etc/nbd-server/config:# may either say "root" in the two following lines, or remove them /etc/nbd-server/config:# altogether. Do not remove the [generic] section, however. /etc/nbd-ser
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| 18:30 | <alkisg> !pastebin
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| 18:30 | <ltsp> pastebin: try !paste
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| 18:30 | <alkisg> !paste
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| 18:30 | <ltsp> paste: the LTSP pastebin is at http://ltsp.pastebin.com. Please paste all text longer than a line or two to the pastebin, as it helps to reduce traffic in the channel. Don't forget to paste the URL of the text here.
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| 18:40 | <SmashK2> !pastebin root@debian9LTSPServer:~# grep -r . /etc/nbd-server /etc/nbd-server/conf.d/ltsp_amd64.conf:[/opt/ltsp/amd64] /etc/nbd-server/conf.d/ltsp_amd64.conf:exportname = /opt/ltsp/images/amd64.img /etc/nbd-server/conf.d/ltsp_amd64.conf:readonly = true /etc/nbd-server/conf.d/ltsp_amd64.conf:authfile = /etc/ltsp/nbd-server.allow /etc/nbd-server/conf.d/swap.conf:[swap] /etc/nbd-server/conf.d/swap.conf:exportname = /tmp/nbd-swap/%s
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| 18:40 | <ltsp> Error: "/opt/ltsp/amd64" is not a valid command.
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| 19:00 | <alkisg> SmashK2: you have an amd64 chroot, so you'd need to test with amd64 on the client
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| 19:01 | nbd-client 192.168.67.1 -N /opt/ltsp/amd64 /dev/nbd0
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| 19:01 | but put your server ip there instead
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| 19:01 | jp_: I have a few minutes now if you want
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| 19:01 | !vnc-edide
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| 19:01 | <ltsp> vnc-edide: To share your screen with me, open Epoptes → Help menu → Remote support → Host: srv1-dide.ioa.sch.gr, and click the Connect button
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| 19:02 | <SmashK2> got it?
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| 19:03 | <alkisg> SmashK2: ah, that's you?
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| 19:03 | I was talking to jp_, but ok
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| 19:04 | <jp_> ok alkisg
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| 19:05 | <alkisg> SmashK2: try rebooting the client
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| 19:06 | OK, it booted
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| 19:06 | Now i'll switch to helping jp_
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| 19:07 | <SmashK2> Thx alot, whatever you did there, it works :D
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| 19:07 | <alkisg> I changed ipappend 2 to 3
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| 19:07 | You didn't do the initial setup step in time
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| 19:07 | <SmashK2> looked kinda chinese-backward to me
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| 19:07 | <alkisg> You did it later on
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| 19:07 | jp_: you have kde... I'm not sure that plays well over the network
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| 19:07 | <SmashK2> Alot of thx !
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| 19:08 | <alkisg> SmashK2: np
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| 19:08 | jp_: Mate is recommended instead...
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| 19:08 | but ok let's see
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| 19:11 | <alkisg> jp_: try booting the client
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| 19:12 | <jp_> give me a minute ...
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| 19:12 | <alkisg> sure
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| 19:15 | <jp_> it seems to have run further today ... and now it is stuck on a blank screen
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| 19:16 | <alkisg> Unfortnately I can't see the client yet at that point
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| 19:16 | And there's no virtualbox for armhf chroots to test
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| 19:16 | I could test with a virtual client for your amd64 chroot, but I'm not sure how much that would help
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| 19:17 | <jp_> is nbd-server.allow needed ? bcos there doesn't exist any such file on my system
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| 19:17 | <alkisg> No, it's not needed, and don't create it, because THEN it'll cause issues
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| 19:18 | <jp_> i see.
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| 19:18 | <alkisg> The logs say that the client successfully mounted nbd
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| 19:18 | So it's past that point
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| 19:18 | Feb 27 00:43:33 xanadu-i535 nbd_server[4294]: connect from 192.168.1.33, assigned file is /opt/ltsp/images/armhf.img
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| 19:19 | <jp_> btw, I have a LAN-WAN connection between the 2 machines (i.e., LAN output from my primary router connects to the WAN port of the secondary router)
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| 19:20 | whcih means, I can ping from the client to the server, but not from the server to the client. If that can cause any issue ?
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| 19:21 | <jp_> Thhough, I can easily ssh from any machine on the secondary router to the kubuntu (which is directly on my primary router)
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| 19:22 | <alkisg> At the point where it hanged, I can only imagine that the chroot is somehow broken
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| 19:22 | I.e. after it loads nbd, and before you get a login screen, there are not networking issues involved
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| 19:22 | And you appear to have epoptes-client properly configured, so we should be seeing the client even if it had xorg issues
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| 19:23 | <jp_> ok. then should I rebuild the client SD card again and try ? will that help ?
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| 19:23 | <alkisg> The sd card should be ok, since it booted that far...
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| 19:24 | I don't know what to suggest at this point, I'd do it all from the start and check for errors at all times...
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| 19:24 | <jp_> ok. btw, what exact fix did you do till this stage ?
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| 19:25 | I did notice that you copied the amd64 image ....but what exactly was I doing incorrect ?
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| 19:26 | <alkisg> I copied the configuration file, because ltsp-config nbd-server didn't work for you
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| 19:26 | I didn't take the time to troubleshoot why it didn't work for you
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| 19:26 | It's not the image, it's only the config
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| 19:27 | <jp_> ok ...
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| 19:27 | so, basically you replaced the armhf config with the amd64. Right ?
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| 19:28 | <alkisg> I copied /etc/nbd-server/conf.d/ltsp_amd64.conf to /etc/nbd-server/conf.d/ltsp_armhf.conf , and adjusted it
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| 19:30 | <jp_> ok, let me try going over the client side messages and try and understand if I get anything worthwhile there.
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| 19:30 | Will get back to you (perhaps) tomorrow ....
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| 19:31 | Thanks for the excellent help so far Alkis ! Will let you know how it goes further ...
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| 19:32 | <SmashK> one question: If I put \\192.168.67.1 (IP of LTSP-Server in Vbox-machine) into host-Windows' Explorer than it shows me the shared folders of the host, not of the server
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| 19:32 | its mirroring the windows-shares onto the guests-IP ???
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| 19:34 | wanted to install samba into the LTSP-Server but before I took a look into the already available shares
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| 19:34 | kinda confused
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| 19:36 | a, no need to install samba, its already there
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| 19:39 | <jp_> Alkis: What did you run to see the server (or, was it the client) output ?
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| 19:39 | <SmashK> short brk, reallife calls :D
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| 19:40 | damn reallife ;)
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| 19:42 | <jp_> Alkis: ok, it was just the syslog ...
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| 20:04 | <SmashK> ok, back
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| 21:43 | <nehemiah> I there a way to allow users to unmount USB devices. They get mounted properly and the users can write to them but get a 'permission denied' when trying to unmount
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| 22:39 | <||cw> nehemiah: who does it show owns the mountpoint?
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| 22:40 | also `lsof | grep '{mountpoint path here}'
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| 22:40 | make sure it's not just in use
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