Ooh, this is embarrassing...
On 16/09/14 15:41, Stefan Baur wrote:
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Am 16.09.2014 um 12:01 schrieb Martyn Welch:
X2go is generally working well as a replacement (thanks guys!),
however one complaint that I'm getting from users is that x2go
suspends sessions on disconnect. Some users have graphical tools
that they are kicking off to run long tasks and want to disconnect,
leaving the task to complete (for example, over night) without
needing the session to be maintained. This was the default
behaviour in neatx and hence the behaviour that the users have come
to expect (sessions wouldn't suspend on disconnect). Is there any
mechanism built into x2go to achieve this?
Are you sure your users actually tried that out and aren't just
mislead by the expression "suspend"? In fact, it is more like "detach".
You detach the X2Go session, and the virtual screen on the server
remains running, so you can re-attach at any time.
I'd had a few guys independently raise this with me and hadn't actually
tested it (it didn't seem unlikely and the "suspend" terminology made it
seem plausible).
A quick test running a loop in a terminal kinda proved that they were
wrong...
For anyone reading this in the archive, try:
i=0; while [ 1 ]; do echo Count $i; let i=$i+1; sleep 1; done
Leave running and disconnect, log back in after a while, you'll see the
count has increased proportionally with the time that's past. (Or ssh in
separately and watch the PID of the sleep command increment).
Sorry for the noise.
Martyn
I think there was a piece of code that would let you renice sessions
that were in a detached state, so they take up less CPU, but I'm not
sure if that made it to a stable release yet. Mike#1 might know more.
A full suspend, comparable to a laptop suspend/hibernate, is not
something X2Go does.
- -Stefan
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