 | | | Ulimit command only works after su | Ulimit command only works after su 2005-05-13 - By Joe Hood
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Try putting user sysbase into a particular group (the "@(protected)" refers to
the "dba" group):
@(protected) hard nofile 65535
@(protected) hard nproc 16384
I just did this to a fresh Oracle install and it works (AS 3.0).
In .bash_profile for the user I have:
# file handles and file desc max
ulimit -n 63536
ulimit -u 16384
On 5/13/05, McDougall, Marshall (FSH) <MarMcDouga@(protected)> wrote:
> 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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> >
>
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