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 macOS Unix.
How to change root password on macOS Unix
The procedure for changing the password of root is as follows:
- First, log in to the macOS Unix server using ssh or console or terminal app
- Open a shell prompt/terminal app and type the passwd command to change root password in macOS Unix
- The actual command to change the password for root on macOS Unix is sudo passwd root
NOTE: Please note that mbp:~ vivek$ is my shell prompt. You need to type commands after the $ prompt.
macOS Unix change root password command
I am going to log in to my macOS based mac mini server using the ssh command:
ssh vivek@macmini-server
If you are using a macbook/MBP, just open the terminal app. Once logged in enter the command passwd as follows:
mbp:~ vivek$ 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:
Changing root account passwords on macOS
Slightly different procedure for changing passwords in macOS Unix terminal
One can use the following procedure too:
mbp:~ vivek$ ssh user@your-mbp-macmini
Become a root user via the su command or sudo command:
your-mbp-macmini:~ vivek$ sudo -i
Finally change your root user password:
passwd
More on passwd command
The passwd command changes the user’s password. For example, change your own password using the Terminal app, run:
passwd
To change password for user named jerry, run:
sudo passwd jerry
Conclusion
This page explained the process for changing the password of root user using the passwd command on a macOS Unix system. For more information see the passwd command man page by typing the following man command:
man 1 passwd
man 5 passwd
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- How to change root password on CentOS Linux
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- How to change root password on SUSE / OpenSUSE Linux
- Change the Password in UNIX
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- How to change root password on macOS Unix
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