Chapter 3: Basic Linux Administration

1. for user in Lisa John Karel Carola; useradd $user; done.
2. Execute passwd <user> and enter welc0meITG and it will ask you to enter the password again to confirm, so enter welc0meITG again.
3. getent<user>.
4. groupadd finance; groupadd staff.
5. groupmems -g <group_name> -a <user_name>; alternatively, usermod –a –G <group_name> <user_name>.
6. To create the directory and set group ownership, execute the following:

   mkdir /home/staff
   chown staff /home/staff
   chgrp staff /home/staff

   Similarly, for finance, execute these commands:

   mkdir /home/finance
   chown finance /home/finance
   chgrp finance /home/finance

7. chmod –R g+r /home/finance.
8. The default get access control list (getfacl -d) will list the ACL of a user.