[K12OSN] Setting memory limits in lts.conf

[Jim McQuillan]

On Sat, 23 Jul 2005, John Baillie wrote:

> oops
>
> I have been editing lts.conf a lot the last few days - got it on the
> brain :-/

I know the feeling :)

>
> but limits.conf looks like something that could be of real use in this
> environment. I've wondered before if someone wanted to, could they
> purposely use up all the RAM.

Yes, a single person could consume all of the resources available, so
it's a good thing that things like 'limits.conf' exist.

>
> BTW - I'm using the Term 150 that you sell on your site here at home.
> Even hanging off a very modest "server" it is very quick. Very nice
> device.

Ah, great to hear that you like it.  Of all the terminals that we sell,
my favorite is still the T-150.  It's fast, flexible and quiet,

Thanks,
JIm McQuillan
jam at Ltsp.org

>
> John
>
>
> On Sat, 2005-07-23 at 12:50 -0400, Jim McQuillan wrote:
> > John,
> >
> > It's interesting, but i'm wondering why your subject line suggests
> > setting it in lts.conf.  That wouldnt' be the correct place, as the
> > purpose of the lts.conf file is to configure various attributes of the
> > thin client.  The client doesn't know anything about the user or
> > applications, so it wouldn't have any ability to enforce such limits.
> >
> > Jim McQuillan
> > jam at Ltsp.org
> >
> >
> >  On Sat, 23 Jul 2005, John Baillie wrote:
> >
> > > Has anyone heard of, or tried the following?
> > >
> > >
> > > " I strongly suggest you set suitable memory limits
> > > in /etc/security/limits.conf. I use:
> > >
> > > @users soft rss 512000
> > > @users soft memlock 256000
> > > @users soft as 768000
> > > # Set to 7168 by RH defaults
> > > #@users soft nproc 5000
> > >
> > > Just to stop users from forkbombing the system accidentally, or a
> > > runaway process from eating all the physical RAM and forcing the system
> > > into heavy swapping. It works extremely well. Adapt the above, of
> > > course, to your memory allocations etc. "
> > >
> > >
> > >
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