How to disable specific user logins. (remote and local)

• 1. Do not use cells

usermod -s /bin/false sshuser01

 

 

 

• passwd command password lock

passwd -l sshuser01

 

 

3. Delete user from /etc/passwd (add #)

gedit /etc/passwd

#sshuser01:x:1207:1209::/home/sshuser01:/bin/bash