Linux adjust the maximum number of open files

1, edit /etc/security/limit.conf last line to add the following

　　* Soft nofile 65535

       * Hard nofile 65535

 

2, add in /etc/rc.local

      ulimit -SHn  65535

 

Note: nginx applications such as viewing the maximum number of open files script

　　　　for pid in `ps -ax | grip nginx | grep -v grep | awk '{print $ 2}' `

　　　　do

　　　　　　cat /proc/${pid}/limits | grep 'Max open files'

　　　　done