Upgrade Red Hat / CentOS 5 Password Hashing | By default, Red Hat / CentOS 5 uses the largely less desirable md5 algorithm for local account password hashing. Bah! Debian / Ubuntu : you are already using SHA-512 – yay! Be sure to mock your fellow Red Hat friends on this topic. (Note: the new Red Hat / CentOS 6 is now SHA-512 by
Add User to Wheel Group
Add User to Wheel Group | To add a user to the wheel group, simply issue this command: sudo gpasswd -a bob wheel In this example the username is ‘bob’. The output will return: Adding user bob to group wheel
How to create a user in Linux
How to create a user in Linux | How do I create a user in Linux? The old school way is to use the command useradd. Do this command to add user jsmith with a home directory: sudo useradd -d /home/jsmith -s /bin/bash -m jsmith Set the password for user jsmith by then issuing: sudo passwd jsmith It will then prompt you to
