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Old 09-02-2009, 10:05 AM   #1
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Registered: Sep 2009
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How toChange ulimit -v to unlimited?

This question is about Red Hat Enterprise Linux Server release 5.2 .

As a regular user(not root), I am trying to set virtual memory via ulimit -v unlimited but get this error
-bash: ulimit: virtual memory: cannot modify limit: Operation not permitted

If I log in as su, then I am able to run the command and then su as regular user and the shell then inherits the limits of the earlier shell process, but thats a sort of hack.

I have also looked at changing the /etc/security/limits.conf but that won't work either.

I have changed /etc/profile also but that won't work for regular user.

Is there anyway to do this cleanly for all users?
Old 09-02-2009, 05:52 PM   #2
Registered: Feb 2008
Location: Texas
Distribution: Fedora, RHEL, CentOS
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/etc/security/limits.conf is the way to do it as far as I am aware. Is anything currently defined that might impose this for your user in limits.conf (or elsewhere)?

When I checked my RHEL5.2 install I see the following by default:

[bob@example ~]$ ulimit -v
[bob@example ~]$ grep -v ^# /etc/security/limits.conf 

[bob@example ~]$ cat /etc/redhat-release ; uname -ir
Red Hat Enterprise Linux Server release 5.2 (Tikanga)
2.6.18-92.el5xen x86_64
[bob@example ~]$



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