Introduction – You need to use the passwd command. It is used to update the user’s authentication token(s) i.e. password. Let us see how to change the root user password on Fedora Linux.
How to change root password on Fedora Linux
The procedure for changing the password of root is as follows:
- First, log in to the Fedora Linux server using ssh or console
- Open a shell prompt and type the passwd command to change root password in Fedora Linux
- The actual command to change the password for root on Fedora Linux is sudo passwd root
NOTE: Please note that [vivek@fedora-linux29:~ ]$ is my shell prompt. You need to type commands after the $ prompt.
Fedora Linux change root password command
I am going to log in to my Fedora Linux 27.x/28.x/29.x server using the ssh command:
Once logged in enter the command passwd as follows:
[vivek@fedora-linux29:~ ]$ sudo passwd root
First you need to type the password for vivek user. After that the passwd command asks for the new password, which you will have to enter two times:
The next time you log in to a Fedora Linux server/workstation, use the new password.
Slightly different procedure for changing passwords in Fedora Linux
One can use the following procedure too:
[vivek@fedora-linux29:~ ]$ ssh user@your-centos-server-name-ip
Become a root user via the su command or sudo command:
[vivek@fedora-linux29:~ ]$ sudo -i
[vivek@fedora-linux29:~ ]$ su -
Finally change your root user password:
How do I change password for other users?
The syntax is:
sudo passwd userNameHere
sudo passwd vivek
How do I change my own password?
This page explained the process for changing the password of root user using the passwd command on a Fedora Linux. For more info see passwd command manual page by typing the following man command:
Sample help page from Fedora Linux box:
Usage: passwd [OPTION...] <accountName> -k, --keep-tokens keep non-expired authentication tokens -d, --delete delete the password for the named account (root only); also removes password lock if any -l, --lock lock the password for the named account (root only) -u, --unlock unlock the password for the named account (root only) -e, --expire expire the password for the named account (root only) -f, --force force operation -x, --maximum=DAYS maximum password lifetime (root only) -n, --minimum=DAYS minimum password lifetime (root only) -w, --warning=DAYS number of days warning users receives before password expiration (root only) -i, --inactive=DAYS number of days after password expiration when an account becomes disabled (root only) -S, --status report password status on the named account (root only) --stdin read new tokens from stdin (root only) Help options: -?, --help Show this help message --usage Display brief usage message