To get root access, you can use one of a variety of methods:

• Run sudo <command> and type in your login password, if prompted, to run only that instance of the command as root.
• Run sudo -i .
• Use the su (substitute user) command to get a root shell.
• Run sudo -s .

How do I login as root in Linux?

Steps

1. Open the terminal. If the terminal is not already open, open it.
2. Type. su – and press ↵ Enter .
3. Enter the root password when prompted. After typing su – and pressing ↵ Enter , you’ll be prompted for the root password.
4. Check the command prompt.
5. Enter the commands that require root access.
6. Consider using.

How do I change to root in Linux?

Changing the root password in CentOS

• Step 1: Access the command line (terminal) Right-click the desktop, then left-click “Open in Terminal.” Or, click Menu > Applications > Utilities > Terminal.
• Step 2: Change the password. At the prompt, type the following, then press Enter: sudo passwd root.