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This article will explain in detail how to add root users to linux. The editor thinks it is very practical, so I share it with you for reference. I hope you can get something after reading this article.

How does linux add root users?

Add users and grant root permissions under linux

1. To add a user, first add a normal user with the adduser command as follows:

# adduser tommy// add a user named tommy # passwd tommy// change password Changing password for user tommy.New UNIX password: / / enter the new password here Retype new UNIX password: / / enter the new password passwd: all authentication tokens updated successfully.

2. Give root permission

Method 1: modify the / etc/sudoers file, find the following line, and remove the previous comment (#)

# # Allows people in group wheel to run all commands%wheel ALL= (ALL) ALL

Then modify the user to belong to the root group (wheel), with the following command:

# usermod-g root tommy

After the modification, you can now log in with your tommy account, and then use the command su-to get root permission to operate.

Method 2: modify the / etc/sudoers file, find the following line, and add a line under root, as follows:

# # Allow root to run any commands anywhereroot ALL= (ALL) ALLtommy ALL= (ALL) ALL

After the modification, you can now log in with your tommy account, and then use the command sudo-to get root permission to operate.

Method 3: modify the / etc/passwd file, find the following line, and change the user ID to 0, as shown below:

Tommy:x:0:33:tommy:/data/webroot:/bin/bash on linux to add root users to share here, I hope that the above content can be of some help to you, can learn more knowledge. If you think the article is good, you can share it for more people to see.

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