 | | | Ulimit command only works after su | Ulimit command only works after su 2005-05-13 - By McDougall, Marshall (FSH)
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OK I finally got back to this and no matter what I put in the limits.conf, I
still must su to the same user that I log in as in order to change the
ulimit parms. It's really not making any sense.
[sybase@(protected) sybase]$ whoami
sybase
[sybase@(protected) sybase]$ ulimit -n
1024
[sybase@(protected) sybase]$ ulimit -n 4090
-bash: ulimit: open files: cannot modify limit: Operation not permitted
[sybase@(protected) sybase]$ su - sybase
Password:
[sybase@(protected) sybase]$ ulimit -n
1024
[sybase@(protected) sybase]$ ulimit -n 4090
[sybase@(protected) sybase]$ ulimit -n
4090
[sybase@(protected) sybase]$
Regards, Marshall
-- --Original Message-- --
From: Joe Hood [mailto:joe.hood@(protected)]
Sent: Monday, May 09, 2005 12:15 PM
To: General Red Hat Linux discussion list
Subject: Re: Ulimit command only works after su
@(protected) hard nofile 65535
@(protected) hard nproc 16384
@(protected) hard nofile 65535
@(protected) hard nproc 16384
is how Oracle recommends (with groups instead of users), I'm sure
Sybase is similar.
Also, you have "Sybase" as a user with a capital first letter.
On 5/9/05, McDougall, Marshall (FSH) <MarMcDouga@(protected)> wrote:
> RH ES2.1, 2.4.21-15.ELsmp
>
> I am trying to give our DBA the ability to test his Sybase installation
with
> various parm changes, one of which is "ulimit -n". I have added:
>
> Sybase soft nofile 3072
> Sybase hard nofile 4096
>
> to the /etc/security/limits.conf file and that sort of works. I say sort
of
> because if I log in as Sybase and execute ulimit -n 2048 I get:
>
> [sybase@(protected) sybase]$ ulimit -n
> 1024
> [sybase@(protected) sybase]$ ulimit -n 2048
> -bash: ulimit: open files: cannot modify limit: Operation not permitted
>
> Then if I "su - sybase" and do it again, it works:
>
> [sybase@(protected) sybase]$ su - sybase
> Password:
> [sybase@(protected) sybase]$ ulimit -n 2048
> [sybase@(protected) sybase]$ ulimit -n
> 2048
>
> It's not making a lot of sense to me. Any enlightenment appreciated.
>
> Regards, Marshall
>
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