Users and Groups

Create and manage users, groups, and password policies. Configure sudo access, skeleton directories, and login shells. Every exam form has user management tasks.

Labs in this module

useradd, usermod, userdel - Run the full local account lifecycle on RHEL 10. useradd NAME builds the user, a matching private group, and /home/NAME; flags -c comment, -
Password Aging with chage - Manage a local user password aging rules with chage. Read the full report with chage -l NAME, set the maximum valid days with -M, the minimu
Groups: Primary and Supplementary - Organize shared access with Linux groups. Create a group with groupadd NAME, understand the split between the one primary group (usermod -g,
sudo Configuration - Grant administrative rights safely. Never edit /etc/sudoers with a raw editor: use visudo, which syntax-checks on save, or drop a rule file
/etc/skel and Login Shells - Master the two halves of a new account: the /etc/skel template and the login shell. /etc/skel is the skeleton copied into every new home at
Mission Control: Operation Roster - The RHCSA users-groups capstone on a real RHEL 10 machine. Create a user, a shared group, password aging, a sudo drop-in, and a locked servi