Centos实战 / su: cannot open session: Permission denied

centos su - 用户名 su: cannot open session: Permission denied

刚才用文章CentOS创建sudo用户创建了一个账号lwk,然后用su - lwk命令的时候报错了。

-bash-4.2$ su - lwk
Password: 
Last failed login: Thu Jun 28 15:39:52 CST 2018 from 36.24.223.44 on ssh:notty
There was 1 failed login attempt since the last successful login.
su: cannot open session: Permission denied
-bash-4.2$

经多方查找,终于解决了访问题。解决思路如下:
编辑文件/etc/security/limits.conf,在文件末尾追加如下内容:

lwk soft nofile 65535
lwk hard nofile 65535

其中,lwk是打算用su - lwk命令进行切换用户的用户名。

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