# cat /proc/sys/fs/file-max # echo 2048 > /proc/sys/fs/file-max
/etc/sysctl.conf:
fs.file-max = 2048
Set the value for maximum number of open files In the file /etc/security/limits.conf:
* - nofile 2048
Red Hat Knowledgebase: How do I set the maximum number of files allowed to be open on a system?