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


Channel log from 28 November 2022   (all times are UTC)

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08:32
<Ted468>
Hi there, what reasons could there be that an ltsp server is having breakups? Sometimes programs freeze for 10sec up to 1min - e.g. Browser or explorer. After everything works normally. Its a small local network - a qnap nas runs the ltsp-server as virtual machine - and a thin client is connected via lan. When i boot the "normal" operating system
08:32
no connection problems occur.
08:33
<alkisg1>
Ted468: is it a thin client or a fat client? Which ltsp version?
08:33
(thin client means the processes run on the server, not with the client CPU)
08:48
<Ted468>
LTSP Version is ltsp 22.01-1~ubuntu20.04.1 , and yes - its a fat client (i "simply" followed the instructions at https://ltsp.org/docs/installation/ for a chrootless installation (kubuntu 20.04)
08:49
<alkisg1>
An LTSP server "operating system" is a "normal" operating system, as long as no LTSP client has booted; then it's a "server" because it provides some resources to its clients
08:50
So you're reporting that "kubuntu ltsp" on the server lags, while "kubuntu without ltsp" doesn't lag? That doesn't make any sense, ltsp isn't running any heavy services...
08:51
I would check top and free for CPU and memory shortcomings, and dmesg / journalctl for system errors
08:52
Does the problem happen on the server even when no client has been booted from it?
08:54
<Ted468>
k -will do so. I only "see" the problems when using a pc that booted from the ltsp server - like right now. At 9:52 the browser froze and i couldnt type anything into the chat field for about 30sec.
08:54
thx a lot - i will have a look at the journals
08:55
<alkisg1>
Ted468: also check the nas journals, in case there are any bad sectors in the disk, and the client happens to be reading these, so that nap stalls, and with it, all VMs
08:55
<Ted468>
will do. Thx a lot for your help. (y)
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