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


Channel log from 8 June 2020   (all times are UTC)

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13:01
<Fenchi>
Hello ! How to configure ltsp ipxe for a boot nbd?
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13:02
<Fenchi>
Hello ! How to configure ltsp ipxe for a boot nbd?
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13:08
<alkisg>
Fenchi: why? What's wrong with nfs?
13:11
<Fenchi>
IFenchi 'm used to LTSP5 and I find NFS slower
13:12
<alkisg>
Fenchi: in my benchmarks, NFS is faster, so something else is wrong for you
13:12
The new LTSP doesn't really include support for NBD; you can add support for NBD, but it'll be a manual process
13:13
<Fenchi>
Okay, even better then. Thank you
13:14
<alkisg>
You're welcome; if you find any indication that NFS is slower, ping; but it's usually 10% faster
13:14
And it can survive server reboots, while NBD cannot
13:15
<fiesh>
wait, so what do I need to do to switch from NBD to NFS based images -- is there a wiki entry somewhere?
13:15
<alkisg>
NFS is the default, you don't need to do anything
13:16
Just follow the installation page
13:16
!install
13:16
<ltspbot>
install: To install LTSP: https://ltsp.org/docs/installation/
13:18
<fiesh>
well I need to retrofit it for our no-longer-supported Gentoo installation I guess :/
13:19
<alkisg>
The new LTSP code is more distro-agnostic, so it should be easy to support Gentoo, but I didn't test under Gentoo at all...
13:22
Start with git clone, symlink into /usr/share/ltsp, and finally symlink /usr/sbin/ltsp to /usr/share/ltsp/ltsp
13:25
<Fenchi>
I have another question: In the PAMLTSP script, the variable SERVER=server is written in hard. So I changed SERVER="<my-ip>" in the ltps.conf file but I don't know how to put several IPs. On my current infrastructure (LTSP5), I offer several LDM_SERVER which are synchronized.Is it possible to have several LDM_SERVER like on LTSP5?
13:27
<fiesh>
alkisg: ok, thanks, will give it a shot -- does it rely on systemd though?
13:27
<alkisg>
fiesh: not too much, but a bit, yes; otherwise we wouldn't be able to disable services that shouldn't run on ltsp clients
13:28
<fiesh>
both our clients as well as our server still don't use systemd... I could probably change the clients, but the server would be quite some work
13:28
ok then it probably makes sense to switch the clients first
13:28
<alkisg>
The server shouldn't matter much
13:28
It might need a dummy `systemctl` wrapper that just restarts a service, but that's all
13:28
<fiesh>
maybe some day I can just switch to an Ubuntu server, now that most reasons (zfs, for example) to use Gentoo instead are gone
13:28
<alkisg>
You might be able to do the client in the same way as well, with a systemctl dummy wrapper
13:29
Fenchi: you can change server in the client /etc/hosts
13:30
Fenchi: if you boot from server1, then "server" would be automatically the server1 ip; if you boot from server2, it would be the server2 ip
13:30
Fenchi: so it would be easiest and best to use proxydhcp and balance even from the dhcp/tftp level, not just upon login
13:31
fiesh: the server in ltsp doesn't do much; it's just an sshfs/nfs server; the distribution could be anything, it shouldn't matter...
13:32
There are no "ldm-server" or "ltspfs" packages anymore
13:32
<fiesh>
oh I see, that's quite handy
13:35
<Fenchi>
alkisg: Thank you for your answers. They are very useful to me.
13:35
<alkisg>
np
13:36
Fenchi: why so many servers, were you using *thin* clients instead of fat?
13:36
<Fenchi>
alkisg: Fat client
13:37
<alkisg>
Why not put many network cards and/or disks in one or two servers then?
13:37
Are the clients in different phycical locations?
13:38
<Fenchi>
alkisg: Because I have different sites that are remote and that I encounter a redundancy there.
13:38
<alkisg>
Up to two servers per site it sounds fine, yeah
13:39
<Fenchi>
alkisg: Every user can log in from anywhere
13:41
alkisg: Goodbye and thank you again
13:41
<alkisg>
Bye
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