Red Hat Knowledgebase

This is an easy problem to fix, all you need to do is increase the number of files allowed. To do this, log in as root and edit the file: /etc/sysctl.conf

Add a line like this,

fs.file-max = 32768

Save and exit the file. To apply these changes, run the command:

# sysctl -p

This should raise the maximum number of open files for the system. See additional articles in the Knowledgebase on detailed information on making changes to the proc filesystem permanent and how to increase the maximum number of open files on your system.