IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 2 October 2020 (all times are UTC)
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| 03:56 | <alkisg> Aison0: indeed; yet it's initramfs-tools that needs v3, not ltsp
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| 03:56 | Fedora/dracut support nfs4 booting, but not debian/initramfs-tools
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| 08:52 | <Aison0> alkisg, ok, ubuntu should support dracut
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| 08:52 | but I need to now how to setup it
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| 08:53 | I already use nfs4 with a "virtual fs" under /srv/nfs4/
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| 08:54 | but ltsp installs its nfs share under /srv/ltsp
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| 08:54 | I wounder if that's working
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| 09:34 | <alkisg> Aison0: ubuntu doesn't support dracut well, no. You can set BASE=/srv/nfs4/ltsp in ltsp.conf if you wish, it should mostly work...
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| 09:34 | Or you can just allow nfs3 as well, it's not a security issue for read only roots...
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| 09:38 | <Aison0> ok, nice :)
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| 09:38 | i'm not sure how to enable nfsv3 :( and I guess its a pain for the firewall rules? because there is no fixed port
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| 09:41 | <alkisg> Isn't it 2049? Dunno I'm not using a firewall
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| 09:41 | <Aison0> oh, I do not have an /etc/ltsp/ltsp.conf ^^
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| 09:41 | 2049 is nfsv4
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| 09:41 | <alkisg> !ltsp.conf
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| 09:41 | <ltspbot> ltsp.conf: Configuration file for LTSP: https://ltsp.org/man/ltsp.conf/
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| 09:41 | <alkisg> Read the man page, first paragraph says how to create
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| 09:42 | <Aison0> reading now https://ltsp.org/man/ltsp.conf/
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| 09:42 | ;)
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| 09:43 | <alkisg> Fixing Ports Used by NFSv3 Server https://www.systutorials.com/fixing-ports-used-by-nfs-server/
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| 09:43 | nfsd listens on TCP and UDP port 2049. It is also the default port number and it doesn’t require special configuration.
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| 09:45 | <Aison0> BASE= is not mentioned on the man page ^^
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| 09:46 | <alkisg> Aison0: https://ltsp.org/man/ltsp/
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| 09:46 | It's in the ltsp man page, not in the ltsp.conf man page
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| 09:46 | Command line parameters can also go in ltsp.conf, but they're mainly documented as command line parameters
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| 10:14 | Aison0: so it's actually BASE_DIR, not BASE, I got confused from the older LTSP name there :)
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| 12:01 | <Aison0> with root-path can I set the default image?
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| 12:02 | eg. if my image is called foobar.img, I can set root-path=foobar.img in my dhcp server?
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| 12:21 | ok, found it myself ;)
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| 12:37 | <Aison0> do I need squashfs support in the client image?
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| 12:45 | <alkisg> Aison0: install the ltsp package in the client image; this will put squashfs in its initramfs
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| 12:46 | <Aison0> now with nfs3 initramfs starts loading, but then systemd hangs waiting for serveral service
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| 12:46 | <alkisg> Can you upload a screenshot?
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| 12:46 | It sounds like networking gets broken; the client isn't supposed to get a new ip after boot
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| 12:47 | <Aison0> for a very short time it claims something about ip address 192.168.... but I do not use these. I'm in a 10.0.0.0/16 subnet
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| 12:48 | and the client ip is 10.0.5.3, the gateway is 10.0.0.1, the nfs and tftp server 10.0.0.2
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| 12:48 | <alkisg> dnsmasq is configured as dhcp server in 192.168.67.x; you didn't set that ip to the ltsp server, did you?
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| 12:51 | <Aison0> I do not use dnsmasq ;)
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| 12:52 | <alkisg> Yes, I'm just saying in case you forgot to uninstall it
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| 12:52 | <Aison0> im using isc-dhcp-server, but there i'm not 100% sure if I configured it right for ipxe
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| 12:53 | but ipxe at least starts right and it also shows me the ltsp generated menu
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| 12:54 | <alkisg> (03:46:34 PM) alkisg: Can you upload a screenshot?
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| 12:54 | Also: https://ltsp.org/advanced/isc-dhcp-server/
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| 12:59 | <Aison0> alkisg, yes, i'm trying to make a screenshot ;)
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| 13:21 | alkisg, https://people.alvhaus.ch/~ivost/ltsp/test.webm
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| 13:21 | I created a virtualbox that boots from pxe and recorded the screen
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| 13:21 | same error as with the "real" box
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| 13:25 | brb, i'm away for 90min
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| 13:37 | <alkisg> "Could not parse output of: ip - o route get 192.168.67.2"
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| 13:37 | Paste the output of that, to see what's going wrong there
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| 13:38 | And yes, at the point where it stops, it most probably means that the kodi image decided to get a new IP
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| 13:39 | Maybe you've configured netplan or systemd-networkd there? LTSP configures the ...semi-static IP in /etc/network/interfaces and in network manager
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| 13:40 | You may put POST_INIT_DEBUG_SHELL="debug_shell" in ltsp.conf, and run `ltsp initrd`, to get a shell early in the boot process
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| 15:12 | <Aison0> alkisg, back
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| 15:13 | 192.168.67.2 via 10.0.0.1 dev enp0s3 src 10.0.255.210 uid 0
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| 15:13 | that's ip -o route ...
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| 15:13 | what's 192.168.67.2?
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| 15:41 | POST_INIT_DEBUG_SHELL= goes into [default] section?!?
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| 16:46 | <alkisg> Aison0: 192.168.67.2 gives the route to the ltsp server, strange as it sounds. It's related to the 2-nic setup of ltsp, where the internal nic is 192.168.67.1, so that we'd want to get that internal nic of the ltsp server... anyway ignore that part
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| 16:47 | post_init goes under [clients]; there's no [default] in the new ltsp
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| 16:57 | <alkisg> (06:13:14 PM) Aison0: 192.168.67.2 via 10.0.0.1 dev enp0s3 src 10.0.255.210 uid 0 ==> is that from the client post_init or from the server?
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| 17:06 | <Aison0> it is from the client
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| 17:07 | since 192.168.67.2 does not exist in this network, it is routed over default gateway 10.0.0.1
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| 17:21 | <alkisg> Aison0: ok, it's the correct gateway, the problem isn't there; can you `cat /etc/network/interfaces` at that point?
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| 17:21 | Does it have the correct values there?
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| 17:22 | Also, you didn't answer about netplan / systemd-networkd, are you using these?
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| 17:56 | <Aison0> alkisg, netplan is not installed
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| 17:56 | alkisg, systemd-networkd was enabled, yes
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| 17:57 | <alkisg> Maybe that's what's interfering
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| 17:57 | I could take a quick look with your vbox client if you want
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| 17:57 | (via reverse vnc)
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| 17:57 | !vnc-dide
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| 17:57 | <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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| 18:06 | <Aison0> thx ;) maybe we can do it tomorrow? because I have to switch to my workstation, currently i'm online with me notebook with bad connection.
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| 18:06 | or another day of course
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| 18:10 | <alkisg> Sure, np
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| 19:50 | <Aison0> can I continue booting from debug shell?
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