修改/etc/security/limits.conf文件

*               soft    nofile          85536
*               soft    nproc           85536
*               hard    nofile          85536
*               hard    nproc           85536
*                -      nofile          85536
elasticsearch   sfot    nofile          100000
elasticsearch   hard    nofile          100000

 

vim /etc/security/limits.d/20-nproc.conf

*          soft    nproc     85536
*          hard    nproc     85536
root       soft    nproc     unlimited

 

vi /etc/ssh/sshd_config

将# UseLogin no

UseLogin yes

重启sshd服务