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


Channel log from 12 February 2020   (all times are UTC)

00:24
<Sleaker>
oh jees ltsp-chroot was removed? great :-/
00:24
I'll have to update all of my maintenance scripts at some point *again* I guess heh
00:26
did ltsp-update-image get removed then too?
00:29
ah nevermind found the issue page where this is documented
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01:02
<mmarconm>
hi all
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03:23
<alkisg>
Sleaker: yeah programs started having issues with chroots years ago, and we don't want to be the ones having to send patches everywhere in order for chroots to work well
03:24
Although, booting them with kvm, lxc, nfs-rw etc etc should be easily feasible
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09:29
<kbshk>
Hi everyone, my boot fails on trying to mount the filesystems from the server. Both client and server are Debian 10. I've taken screenshots of a few outputs: https://imgur.com/a/P45MgxV
09:31
<alkisg>
kbshk: do you happen to have virtualbox installed on the server?
09:31
So that I could quickly test things from a virtual client?
09:31
<kbshk>
This is a virtualbox client. Server doesn't have virtualbox.
09:31
<alkisg>
I think the problem is that you're not sending a route to the clients
09:31
Ah ok that's fine
09:31
Do you mind sharing your screen?
09:31
What's the host, windows?
09:32
<kbshk>
Host is macOS
09:32
<alkisg>
Meh you'd need something like x11vnc then, never mind no idea how to share screen from macs
09:32
So:
09:32
<kbshk>
ok
09:32
<alkisg>
3rd screenshot
09:32
"network is unreachable"
09:32
At that shell, try:
09:32
ip - o route get 192.168.67.1
09:33
This is supposed to return an address
09:33
I'm thinking that it fails for you, because your dhcp server did not send a gateway
09:33
Btw, you're using bridged mode in vbox, not nat, right?
09:33
<kbshk>
Yes, local VM is bridged to OpenVPN tap
09:34
And on the server side, LAN interface bridged to OpenVPN as wel..
09:34
<alkisg>
Additionally, also send the output of `ip r`
09:34
<kbshk>
And on the server side, LAN interface bridged to OpenVPN as well.
09:34
<alkisg>
So, the output of those two commands from that shell in the third screenshot
09:34
<kbshk>
Ok, it'll take me a few minutes.
09:35
<alkisg>
I will leave in a bit, but we can continue this asynchronously, or another time, or with another person here
09:35
!irclogs
09:35
<ltspbot>
irclogs: This channel is logged, archives are available at http://irclogs.ltsp.org
09:46
<kbshk>
I've run the commands. Looks like there's no default route: https://imgur.com/6xptJ5F
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10:13
<alkisg>
kbshk: right, that's what you need to fix in your dhcp server
10:14
<kbshk>
Yes. I just confirmed this using a packet dump. For some reason my DHCP is spitting out 0.0.0.0 for gateway address. Thank you for the advice.
10:14
<alkisg>
np
10:14
you can also fix it from ltsp.conf
10:14
but it's not worth it
10:21
PRE_INITRD_BOTTOM_ADD_ROUTE="ip r add...."
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12:13
<kbshk>
Fixed it: If you're booting a client through a OpenVPN tap tunnel, use "server-bridge nogw" to stop the OpenVPN server from removing the default gateway from the DHCP reply. Without a gateway set, "ip -o route get 192.168.67.1" will fail and boot won't complete.
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13:04
<alkisg>
kbshk: that said, if you think it's a valid use case, I can make the code not fail when a gw isn't set
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13:04
<alkisg>
I left it that way because I had no valid use case with no gateway
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19:05
<kbshk>
alkisg No, it's fine the way it is
19:05
I don't have a use case for it, actually
19:06
<alkisg>
kbshk: ok, nice
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