修改 /etc/secrity/limit.conf 中的最大文件打开数不生效 解决办法

1. 确保 pam 生效

在 /etc/pam.d/login 中，存在:

session required pam_limits.so

2. 确保 ssh 使用 pam

在 /etc/pam.d/sshd 中，存在:

session required pam_limits.so

在 /etc/ssh/ssd_config 中, 存在:

UsePAM yes

 

vim /etc/pam.d/sshd

#%PAM-1.0
auth	   required	pam_sepermit.so
auth       substack     password-auth
auth       include      postlogin
# Used with polkit to reauthorize users in remote sessions
-auth      optional     pam_reauthorize.so prepare
account    required     pam_nologin.so
account    include      password-auth
password   include      password-auth
# pam_selinux.so close should be the first session rule
session    required     pam_selinux.so close
session    required     pam_loginuid.so
# pam_selinux.so open should only be followed by sessions to be executed in the user context
session    required     pam_selinux.so open env_params
session    required     pam_namespace.so
session    optional     pam_keyinit.so force revoke
session    include      password-auth
session    include      postlogin
# Used with polkit to reauthorize users in remote sessions
-session   optional     pam_reauthorize.so prepare