On 2015-01-20, Marko Randjelovic <markoran@eunet.rs> wrote:
>
> I tried to raise limit some time ago, but I was unsuccessful. Do you
> know how to do it?
>
The following might help:
http://posidev.com/blog/2009/06/04/set-ulimit-parameters-on-ubuntu/
Seems you must add a line to /etc/pam.d/common-session
("session required pam_limits.so").
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