How to Create a Sudo User on Rocky Linux and CentOS

The command sudo (short for Super-user do) is a program designed to allow a normal user (not root) to execute commands with unlimited privileges, which only the root user (Super Administrator) can do.

In this guide, we will show you how to create a new user on a Rocky Linux, CentOS and AlmaLinux system and give it sudo access to regular users.

You can use this user account to run administrative commands without needing to log in to your PC or RockyLinux/CentOS server as the root user.

Creating User Sudo on Rocky Linux

By default, on Rocky Linux and CentOS, users in groups wheel will be granted sudo access. If you want to configure sudo for an existing user, just add your user to the group wheel, as shown in step 4.

Follow the steps below to create a sudo user on your Rocky Linux and CentOS server:

1. Log in to the server with SSH

Start by logging into your Rocky Linux or CentOS server as the root user.

ssh  [email protected] _ip_address 

2. Create a new user account on Rocky Linux

Create a new user account using the useradd command.

useradd linuxstoney 

Change linuxstoney with the username you want to create.

3. Set the user password

Use commands passwd to set a password for the new user.

passwd linuxstoney 

You will be asked to confirm the password. Make sure to use a strong password.

Changing password for user linuxstoney. 

New password: 
Retype new password: 

passwd: all authentication tokens updated successfully. 

4. Add New User to sudo Group on Rocky Linux

By default, on Rocky Linux or CentOS systems, group members wheel granted sudo access. To add a new user (or old user) to a group, wheel type command:

usermod -aG wheel username 

How to use sudo on Rocky Linux or CentOS

Switch to newly created user:

su - username 

To use sudo, simply start the command with sudoand spaces.

sudo [COMMAND] 

For example, to view a directory’s table of contents /root, then use the command:

sudo ls -l /root 

If this is your first time using sudo, then you will see the following banner message and you will be asked to enter the password for the user account.

We trust you have received the usual lecture from the local System
Administrator. It usually boils down to these three things:

    #1) Respect the privacy of others.
    #2) Think before you type.
    #3) With great power comes great responsibility.

[sudo] password for username: 

Conclusion

You have successfully created a sudo user on your Rocky Linux and CentOS system. You can now use this user to perform administrative tasks on servers that require super administrator privileges and have unlimited powers.

Some Rocky Linux Related Tutorials :

How to Install Rocky Linux 8 Step-By-Step Guide with Screenshots

How to Add EPEL Repository on Rocky Linux, AlmaLinux and CentOS

How to Install and Configure TensorFlow on Rocky Linux 8

How to Install and Configure Ansible AWX on Rocky Linux 8.3

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