Change Root Passwd In Ubuntu-Server-25.01 And Switch Accounts

To change the root password on an Ubuntu server,

 log in with a user that has sudo privileges and run 

sudo passwd root

 You will be prompted to enter your current user password, followed by the new password for the root account. 

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Jul 18, 2021

 Steps to Change Root Password:

 Log in to your Ubuntu server via SSH or the terminal.

Run the command:

bash

sudo passwd root

Enter your password:

 Type your current user's password when prompted.

 Enter the new password:

 Type the new root password, then re-type it to confirm.

Optional: 

 If you want to lock the root account again after setting the password, you can use

 sudo passwd -l root

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Alternative Scenarios:

 If you are already logged in as root:

 You can simply type

 passwd

 If you forgot the root password:

 You must restart the server, access the GRUB menu, and enter recovery mode to reset it. 

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Switch accounts on Ubuntu server 

Switch accounts

su -

For root, and,

to login as user account:

su - ExampleUserName

To login to the

ExampleUserName

Server user account?!!  

YES that's how you switch from accounts on a Ubuntu server. 

This version I am pretty sure:

 Ubuntu Server 25.01