2 auth required /lib/security/pam_stack.so service=system-auth
3 auth required /lib/security/pam_nologin.so
4 account required /lib/security/pam_stack.so service=system-auth
5 password required /lib/security/pam_stack.so service=system-auth
6 session required /lib/security/pam_stack.so service=system-auth
7 session required /lib/security/pam_limits.so
8 session optional /lib/security/pam_console.so