Solutions Log » centos http://solutions.unixsherpa.com by Dan Reiland Tue, 05 Apr 2011 16:42:14 +0000 en hourly 1 http://wordpress.org/?v=3.3.1 Ensure changes to ulimit parameters persisthttp://solutions.unixsherpa.com/2009/04/23/ensure-changes-to-ulimit-parameters-persist/ http://solutions.unixsherpa.com/2009/04/23/ensure-changes-to-ulimit-parameters-persist/#comments Thu, 23 Apr 2009 15:42:45 +0000 Dan http://solutions.unixsherpa.com/?p=66 There are two places where changes need to be recorded:

/etc/sysctl.conf
/etc/security/limits.conf

sysctl.conf is for setting a system wide ceiling:

# max open files (systemic limit)
fs.file-max = 65536

limits.conf is for setting a user space floor and ceiling:

/etc/security/limits.conf

Ensure both a hard limit and a soft limit are set, otherwise the setting will not become active.

For example: to set the number of files any user of the system may have open at a given time to 4096

*               soft    nofile          4092
*               hard    nofile          65536
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