User & Groups Security

Updated on: 22.Apr.2014

•  To add user, run the following command which will create user directory in /home.
  

             sudo useradd ftpuser 

• To set password, execute the following command and then key in the password,
  

             sudo passwd ftpuser

• To view the user who is connected to server, execute 'who' (or w) or 'users'.
• To view the user groups of the current session in the OS => groups
• To add create user group: sudo groupadd public
• To add user to a group: sudo usermod -G public -a ftpuser
• To view all groups: cat /etc/group
• To check the ‘ftpuser’ (user ID) belongs to which group:

             id ftpuser