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[suse-security] Setting system-wide ulimit without rebooting?

From: Frank Steiner (fsteiner-mailbio.ifi.lmu.de)
Date: Thu May 12 2005 - 08:36:45 CDT

Hi,

is there a way to set a new hard limit (for e.g. core size :-)) on a running
system so that users/processes cannot revert it? It seems I can only
set new limits in my own environment, but what I want is system-wide
new limit to restrict all already running processes (and childs spawned
from them).
Like saying "From now on, the new hard limit is 0 on this computer".

So that I could protect all running hosts against the new elfloader bug
without rebooting them.

cu,
Frank

--
Dipl.-Inform. Frank Steiner Web: http://www.bio.ifi.lmu.de/~steiner/
Lehrstuhl f. Bioinformatik Mail: http://www.bio.ifi.lmu.de/~steiner/m/
LMU, Amalienstr. 17 Phone: +49 89 2180-4049
80333 Muenchen, Germany Fax: +49 89 2180-99-4049
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