Switching to the root user on an Ubuntu system is often required for system management and configuration. By switching to the root user, you can gain administrator privileges and perform tasks that require special privileges. In this article, we will refer to the following article: https://www.howtouseubuntu.com/automation/switch-to-root-user-in-linux/ , introduce the methods of switching to root user on Ubuntu system, and the advantages of various methods.
Method 1: Use the sudo command
Through the sudo command, you can temporarily obtain the root authority to execute commands under ordinary users. The example is as follows:
sudo command_to_execute
Advantages :
- Security: The sudo command only allows specific users to execute specified commands, avoiding the potential risk of directly switching to the root user.
- Convenience: No need to remember the password of the root user, just enter the current user password to execute commands that require root privileges.
Method 2: Switch to the root user
You can switch to the root user through the su command, as shown in the following example:
su -
Advantages :
- You can enter the interactive shell of the root user and perform multiple operations without repeatedly entering the password.
- Convenience: You can directly use the authority of the root user to perform system management tasks.
Method 3: Log in with the root user
Log in to the system directly as the root user, as shown in the following example:
sudo su
Advantages :
- With full root privileges, perform all system administration tasks.
Summarize
There are several methods to choose from for switching to the root user on an Ubuntu system, each with its own unique advantages. Use the sudo command to safely execute commands that require root privileges under ordinary users, and switch to the root user or log in directly as the root user to obtain full root privileges. Choosing the right method depends on the specific task and security requirements.
Hope this article helps you switch to root user in Ubuntu system.
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Linux Commands for Linux Beginners Cheat Sheet