How to add root permissions to users in linux

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

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

and then modify the user so that it belongs to the root group (wheel), the command is as follows:

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#usermod -g root tommy

The modification is completed, you can now log in with the tommy account, and then use the command su -, you can obtain root permissions to operate.

Method 2: Modify the /etc/sudoers file, find the following line, and add a line under root, as shown below:

## Allow root to run any commands anywhere root ALL=(ALL) ALL tommy ALL=(ALL) ALL

After the modification, you can now log in with the tommy account, and then use the commandsu -, you can obtain root permissions to operate.

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