From: Brian Candler <B.Candler@...>
Date: 2007-05-11T18:54:48+09:00
Subject: Re: DRb connection error with more than 250+ DRb services

On Fri, May 11, 2007 at 10:46:53AM +0100, Brian Candler wrote:
> > dev@seou$: ulimit -n 2048
> > -bash: ulimit: open files: cannot modify limit: Operation not permitted
> > 
> > dev@seoul$ sudo ulimit -Sn 2048
> > sudo: ulimit: command not found
> 
> You have to be root to increase it.
> 
> There is some config file which sets the default at login time. I can't
> remember offhand what it is - you may need to google.

in /etc/security/limits.conf, something like:

brian           hard    nofile          2048

Then the user must logout and login again.