On Sunday 06 August 2006 14:11, Andreas Fester wrote: > Paul Johnson wrote: > > I'm stuck really badly on this... even though my > > /etc/security/limits.conf has the necessary lines that should allow me to > > change my ulimit, I still can't do it. > > > > baloo@ursine:~$ ulimit -n 4096 > > bash: ulimit: open files: cannot modify limit: Operation not permitted > > baloo@ursine:~$ ulimit -Sn > > 1024 > > baloo@ursine:~$ ulimit -Hn > > 1024 > > > > What am I doing wrong or failing to check? > See also, for example > > http://www.xenoclast.org/doc/benchmark/HTTP-benchmarking-HOWTO/node7.html Edit /etc/security/limits.conf and add the lines: * soft nofile 1024 * hard nofile 65535 Edit /etc/pam.d/login, adding the line: session required /lib/security/pam_limits.so The system file descriptor limit is set in /proc/sys/fs/file-max. The following command will increase the limit to 65535: echo 65535 > /proc/sys/fs/file-max You should then be able to increase the file descriptor limits using: ulimit -n unlimited The above command will set the limits to the hard limit specified in /etc/security/limits.conf. baloo@ursine:~$ ulimit -n unlimited bash: ulimit: open files: cannot modify limit: Operation not permitted It does succeed as root, but what I need more descriptors for need not use root... -- Paul Johnson Email and IM (XMPP & Google Talk): baloo@ursine.ca Jabber: Because it's time to move forward http://ursine.ca/Ursine:Jabber
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