Change a root password of a Linux/Unix OS/Server Via SSH

3 Parts:

Instructions

Tips Tricks & Warnings

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Firewall protection from intruder is important but in very common way of giving some protection with a certain software in Linux is the Root/user password access in which this is very important and essential to limit the intruder in access)

1. 1
   The first Step is to login to the server and run the terminal or if you are using a Windows OS all you need to do is to use the Putty that will act as a terminal and connect with the SSH port which is 22

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2. 2
   after you log on the server's SSH(shell) then type the bash/unix command "passwd" without the double quotation then enter and it will prompt you to enter a complex password, meaning with a combination of alpha numeric key and you're done

   .

   if you want to change the password of a root user also then type "passwd username" without the double quotation the user pertains to the username.

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3. 3
   To test if it works then close the terminal then relogin again with the password that you used to changed.

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• Be sure that you that you will be able to remember the password the newly password that you used.
• write it manually to a piece of paper just in case that you are not familiar with the password.

If you have problems with any of the steps in this article, please ask a question for more help, or post in the comments section below.

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