Cấu hình max open file & max process

vi /etc/security/limits.conf

mxxxtv    soft    nproc  20000   #max process
mxxxtv    hard    nproc  20000   #max process
mxxxtv    soft    nofile  1047880   #max open file
mxxxtv    hard    nofile  1047880   #max open file



vi /etc/security/limits.d/90-nproc.conf

*          soft    nproc     1024   #max process
root       soft    nproc     unlimited   #max process