linux修改max user processes limits

突破ulimit 限制

• 修改普通用戶單個用戶可同時運行的最大進程數 （默認爲 4096 ）

[root@xxx devops]# cat /etc/security/limits.d/20-nproc.conf 
# Default limit for number of user's processes to prevent
# accidental fork bombs.
# See rhbz #432903 for reasoning.

*          soft    nproc     65535
root       soft    nproc     unlimited

• 修改文件句柄數

 [root@xxx devops]#cat /etc/security/limits.conf
root soft nofile 655350
root hard nofile 655350
* soft nofile 655350
* hard nofile 655350