如果是root 權限 可以用 ulimit -n size 來修改linux讀取額外年間數量
但是非root權限會報 limit command not found 的異常
非root權限的處理方法
If you want to set it permanently, especially for a particular user, change the file /etc/security/limits.conf to have the following lines (assume user = www-data)
E.g.
www-data hard nofile 65535
www-data soft nofile 65535