Create a user and add it to the Management Group

After creating a user and adding it to the Management Group, start it in recovery mode and enter command line mode. The prompt should be #1. Enter the user management command to create a user (take test as an example ): useradd test: passwd test 2. Add a new user to the Management Group: gpasswd-a test admin 3. Create a directory for the test user: cd/home mkdir test chown test/home/test 4. Restart, reboot, and log on with test. After logon, click system-system management-users and groups ", go in and select your user, click "properties" on the right, and tick the desired user permission;