How to enter root permissions in centos

There are two ways to perform tasks with root permissions in CentOS: 1) Use the sudo command to temporarily obtain root permissions; 2) Log in directly using the root user password. Extreme caution should be used when using root privileges and it is recommended to only use them when necessary.

How to enter root privileges in CentOS

As a server administrator, sometimes you need to perform tasks as the root user for management operate. Here are two ways to do this in CentOS:

Method 1: Using sudo

The sudo command allows you to execute specific commands as the root user, while No need to change user sessions. To use this method:

1. Type the following command in the terminal:

   sudo -i

2. You will be prompted for your user password. After entering the password, you will enter the shell as the root user.

Method 2: Log in directly as the root user

If you know the password of the root user, you can log in directly as that user. To use this method:

1. Press Ctrl Alt F1 to enter the virtual console.

2. At the login prompt, type the following:

   root

3. Enter the root user password.
4. After entering the password, you will log in as the root user.

Note:

• Use extreme caution when using root privileges, as any mistakes may have irreversible consequences for the system.
• It is recommended to use root privileges only when necessary and log out when finished.
• Always protect the root user with a strong password.

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