CentOS 7，本地终端用户登录报错：Login Incorrect，但SSH可正常登录。
查看Log：
May 25 15:20:42 centos login: PAM unable to dlopen(/lib/security/pam_limits.so): /lib/security/pam_limits.so: cannot open shared object file: No such file or directory
May 25 15:20:42 centos login: PAM adding faulty module: /lib/security/pam_limits.so
May 25 15:20:45 centos unix_chkpwd[2707]: password check Failed for user (root)
May 25 15:20:45 centos login: pam_unix(login:auth): authentication failure; logname=LOGIN uid=0 euid=0 tty=tty2 ruser= rhost= user=root
May 25 15:20:45 centos login: pam_succeed_if(login:auth): requirement "uid >= 1000" not met by user "root"
May 25 15:20:47 centos login: Failed LOGIN 1 FROM tty2 FOR root,Authentication failure
确认：/lib/security/pam_limits.so
结果：-bash: cd: /lib/security: No such file or directory
正确文件：/lib64/security/pam_limits.so
