IRC chat logs for #ltsp on irc.libera.chat (webchat)

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Channel log from 5 December 2022 (all times are UTC)

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09:55	<joris> alkisg, last week I was trying to boot a local x86_64.img from grub. That boots now, but I can't login. Probably a networking issue. I guess the image doesn't know where the server is. How would I configure that?
09:58	<alkisg> joris: SERVER=ip in ltsp.conf, under [clients]
09:58	<joris> alkisg, that is on the server?
09:58	ok cool
09:58	<alkisg> Yes, then you run ltsp initrd, then you copy the generated ltsp.img to the client
09:58	!root
09:58	<ltspbot> I do not know about 'root', but I do know about these similar topics: 'ROOT_PASSWORD_HASH', 'chroot'
09:58	<alkisg> !ROOT_PASSWORD_HASH
09:58	<ltspbot> ROOT_PASSWORD_HASH: To be able to login as root in vt1, read the last example in https://ltsp.org/man/ltsp.conf/
09:58	<alkisg> Also put that ^ in ltsp.conf so that you're able to login as root to troubleshoot things
09:59	<joris> ok nice going to look into it now
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14:32	<joris> alkisg hmm still something wrong with the network. I can log in now with root, but I don't get what is going wrong. It seems no network interface is created
14:40	journalctl shows it goes wrong when ltsp starts with "ip -o route get 192.168.67.1"
14:59	or probably I misunderstand what is going on
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15:19	<alkisg> joris: ip a => shows no eth0, or shows no ip?
15:22	<joris> it shows enp2s0 but no ip
15:22	wifi seems to be working though...
15:24	<alkisg> joris: what are you using to generate x86_64.img, is it chrootless, vm, chroot?
15:24	<joris> chrootless
15:24	<alkisg> And in your server, you're using networkmanager, ifupdown, netplan, systemd-networkd?
15:24	<joris> server is ubuntu mate same as client
15:25	<alkisg> And what's the output of: sudo nmcli
15:25	<joris> on client or server?
15:25	<alkisg> Does it show an available connection, or e.g. unmanaged?
15:25	Client
15:25	Ah, try to put this in your grub.cfg: ip=dhcp
15:25	Then reboot
15:25	That's on the client again
15:26	<joris> it shows unmanaged
15:26	<alkisg> You know where to put it? In the append line of grub.cfg...
15:26	<joris> i'll try thanks!
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15:53	<joris> https://paste.debian.net/1262957/
15:53	This is what my 40_custom grub looks like
15:54	seems that adding ip=dhcp didn't make a difference
16:02	full log https://paste.debian.net/hidden/fdedfa67
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16:29	<alkisg> joris: do you have epoptes-client installed on the ltsp client?
16:38	<joris> no doesn't seem so
16:38	should I do that?
16:46	<alkisg> Login as root on vt3 of the client, then run ip a to see the interface name, e.g. enp2s0; then run: sudo ipconfig /usr/lib/klibc/bin/ipconfig enp2s0
16:46	Then run: ping -c2 8.8.8.8
16:46	Do you have internet access that way?
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16:58	<joris> ipconfig ? should that not be ifconfig? and I don't have net-tools installed
16:58	on the client
17:03	<alkisg> joris: it's ipconfig, part of klibc, just type that command
17:07	<joris> Ok sorry, not trying to be smart. but yes that works!
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17:09	<alkisg> Now on vt4, try to login as a user
17:11	<joris> yes I am in!
17:11	<alkisg> OK, now cat /proc/cmdline, do you actually see ip=dhcp there?
17:12	<joris> yes is there
17:12	<alkisg> Actually wait, we don't even care about wired networking, you want to get wifi working, right?
17:12	<joris> yeah true
17:13	<alkisg> OK, login graphically, then create a wifi connection, password etc, and make it available to all users. Make sure the "DEVICE" entry is empty, so that it can be used by any computer/mac address.
17:13	Then copy the /etc/NetworkManager/system-connections/wifi.nmconnection file to the server (or do all this directly on the server)
17:13	Then once that file reaches the chroot, it should give you networking before login, so logins should work
17:14	<joris> ah ok yeah, maybe should try that first
17:15	although maybe it wouldn't hurt to have wired networking as well, but those clients can still netboot and that works all ready...
17:15	so that's true
17:18	<alkisg> joris: see https://ltsp.org/man/ltsp.conf/#OMIT_FUNCTIONS and put OMIT_FUNCTIONS="config_network_manager" in ltsp.conf, then ltsp initrd, then again put the ltsp.img to the client
17:18	That will make network-manager NOT ignore the wired ethernet
17:18	But note that if users log in with wired, then switch to wireless, sshfs will break and they'll lose files
17:18	So I'm not sure if you really want to do that
17:18	<joris> ok yeah
17:19	I have no idea where those clients are going to stand. If a cable is an option i might prefer that, because that is probably still better...
17:20	<alkisg> It's waaaaay better, sure
17:20	Even if half of them are wired, it'll speed up the rest a whole lot
17:20	<joris> Thanks for all your help btw... although I might get paid a little bit for this, it is not my work...
17:21	<alkisg> No problem, I appreciate that you do 9 steps and you ask the 10th step of me; some others just ask for help and do no steps/reading at all..
17:22	It would be nice if you could spend the time to document it though, for the next person that will need it
17:22	<joris> yeah true, I'll look into that
17:22	first get everything working though...
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