IRC chat logs for #ltsp on irc.libera.chat (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?
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| 13:11 | <Fenchi> IFenchi 'm used to LTSP5 and I find NFS slower
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| 13:12 | <alkisg> Fenchi: in my benchmarks, NFS is faster, so something else is wrong for you
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| 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
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| 13:13 | <Fenchi> Okay, even better then. Thank you
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| 13:14 | <alkisg> You're welcome; if you find any indication that NFS is slower, ping; but it's usually 10% faster
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| 13:14 | And it can survive server reboots, while NBD cannot
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| 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?
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| 13:15 | <alkisg> NFS is the default, you don't need to do anything
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| 13:16 | Just follow the installation page
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| 13:16 | !install
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| 13:16 | <ltspbot> install: To install LTSP: https://ltsp.org/docs/installation/
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| 13:18 | <fiesh> well I need to retrofit it for our no-longer-supported Gentoo installation I guess :/
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| 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...
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| 13:22 | Start with git clone, symlink into /usr/share/ltsp, and finally symlink /usr/sbin/ltsp to /usr/share/ltsp/ltsp
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| 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?
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| 13:27 | <fiesh> alkisg: ok, thanks, will give it a shot -- does it rely on systemd though?
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| 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
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| 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
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| 13:28 | ok then it probably makes sense to switch the clients first
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| 13:28 | <alkisg> The server shouldn't matter much
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| 13:28 | It might need a dummy `systemctl` wrapper that just restarts a service, but that's all
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| 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
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| 13:28 | <alkisg> You might be able to do the client in the same way as well, with a systemctl dummy wrapper
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| 13:29 | Fenchi: you can change server in the client /etc/hosts
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| 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
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| 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
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| 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...
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| 13:32 | There are no "ldm-server" or "ltspfs" packages anymore
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| 13:32 | <fiesh> oh I see, that's quite handy
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| 13:35 | <Fenchi> alkisg: Thank you for your answers. They are very useful to me.
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| 13:35 | <alkisg> np
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| 13:36 | Fenchi: why so many servers, were you using *thin* clients instead of fat?
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| 13:36 | <Fenchi> alkisg: Fat client
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| 13:37 | <alkisg> Why not put many network cards and/or disks in one or two servers then?
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| 13:37 | Are the clients in different phycical locations?
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| 13:38 | <Fenchi> alkisg: Because I have different sites that are remote and that I encounter a redundancy there.
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| 13:38 | <alkisg> Up to two servers per site it sounds fine, yeah
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| 13:39 | <Fenchi> alkisg: Every user can log in from anywhere
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| 13:41 | alkisg: Goodbye and thank you again
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| 13:41 | <alkisg> Bye
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