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(thanks to quinox and his sponsoring :D)
happy to help :)
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hi alkisg :) I'm planning to try ltsp in 18.04 (Kubuntu), is it stable / works fine? There are a lot of "bad" things there, like systemd-resolver and netplan I guess
btw, is it me, or the more Ubuntu "advances" and the harder becomes the network setup? Long time ago was just a matter of 2 files, /etc/network/iterfaces and /etc/resolv, now is a mess :(
markit: ltsp works fine here in mate 18.04
I haven't tested kubuntu
Use network manager to set up networing
alkisg: -pnp too? Just an apt install or do I have to run some script to "fix" configurations?
install: http://wiki.ltsp.org/wiki/Installation/Ubuntu for Ubuntu, or http://wiki.ltsp.org/wiki/Installation for other distributions
(long time I've no installed ltsp nor updated)
I've 2 installations with a bridge on the client side in /etc/network/interfaces, 14.04 version, is that file still relevant or I have to fight with netplan or ltsp wants networkmanager (that I avoided to prevent teacher to mess things up)?
there was not change in ltsp wrt networking
The only new thing is `ltsp-config dnsmasq --enable-dns` if you want a dns server
so tftpd-hpa/isc-dhcp-server is deprecated / better remove it and go to dnsmasq, correct?
well, dnsmasq is just easier so we default to that
as it supports proxydhcp too
but if you want to use the others, you sure can
Btw you can easily prevent the teacher from changing connections with network manager
finally, do you suggest remove ltsp packages, upgrade 14.04 -> 16.04, then -> 18.04, reinstall ltsp and reconfigure? backup and restore data + users + whatever to a new 18.04 scares me
Either don't make him sudoer, or edit the policy kit configuration
I've no idea about kubuntu migration
The upgrade is scary when the desktop environment has setting upgrades
never messed with policy kit ;P
I don't know kubuntu settings, so I can't comment
I've to leave, thanks a lot as usual, see you later, I want also to know how your life is going and how greek's schools are moving
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http://wiki.ltsp.org/wiki/Ltsp-manager/Netboot_clients < Is the bit about UEFI not being supported still accurate?
mwalters: should just be a matter of put the signed grub uefi file in place and pointing the dhcp settings to it
I've not tried though, and ltsp doesn't do it for you in any way
see https://wiki.ubuntu.com/UEFI/PXE-netboot-install and https://wiki.ubuntu.com/UEFI/SecureBoot/PXE-IPv6?action=show&redirect=UEFI%2FSecureBoot-PXE-IPv6
||cw: thanks, I'll check it out
alright, I got the uefi client booting a signed grub img... doesn't seem to be loading grub.conf, though
mwalters: you can enable tftp logging to see which files the client tries to access
E.g. it might be searching in a wrong path
What are you using, dnsmasq, isc-dhcp, tftpd-hpa?
looks like logging is already on, taking a look now
til: grub looks for grub.cfg, not grub.conf.
aw yiss, got it working. Thanks everyone. I was making way harder in my head than it really was
hrm, tge yefu ckuebt seens ti taje firever ti biit cinoared ti tge regular pxelinux clients
the uefi client seems to take considerably longer
mwalters: can you pastebin your config somewhere?
the grub config?
grub and isc-dhcp, for reference
In case others want to try out uefi
grub loads quick, after pulling vmlinuz and initrd.img things take 5eva
I've tested it in the past, but it's been 3 years now, so my tests are stale...
lemme see what I can do
*after* vmlinuz and initrd? It would be strange for the kernel to be slower in uefi...
yeah, it's odd
If you were saying "downloading initrd takes minutes", I wouldn't be surprised, but now... hm...
server/chroot is 14.04, though... and I'm getting stuck at 800x600 on this thing once all loaded up... I'm suspecting I'm having module issues
could be that's downloading initrd
I just saw the req in syslog
after that req it's slow
this is a newer intel nuc
I think ipxe is much faster wrt networking than grub
maybe, this seemed like the path of least resistance, though ;)
most of the gfx stuff is me goofing around
Btw, once the client boots, does `dmesg` show a small boot time like 20 secs, or the big one like 2 minutes?
https://pastebin.com/BHfFzJB1 relevant parts of dhcpd.conf?
let me check
what am I looking for in dmesg?
assuming this should be run from a vterm on the client?
final stamp in dmesg is 300
the stamp immediately preceeding is 11
the few entries prior to the long wait: "nbd9: unknown partition table", "nbd9: NBD_DISCONNECT", "nbd9: Receive control failed (result -32)", "NBD9: queue cleared"
the the final entry is "MCE: [hardware error]: Machine check events logged"
ok, the 300 is something else... dmesg shows 11s
when run right after booting
so might just be initrd taking forever
https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1514038 possibly this
mwalters: try a newer grub from bionic
(although it says fix released for trusty...)
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that did it!
just as fast as the legacy clients now
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