sudo command is designed to allow users to run programs with the security privileges of another user, by default the root user.
In this tutorial, we’ll teach you how to create a new user on an Ubuntu system with sudo access. You may then use this user account to run administrative commands on your Ubuntu server without having to log in as root.
Make sure you’ve installed Ubuntu correctly, follow this guide if you need to do it still!
- Root Access
- Ubuntu Server installed
Steps to Create a Sudo User
Follow the steps below to create a new user account and give it sudo access. If you want to configure sudo for an existing user, skip to step 3.
1. Log in to your server.
Log in to your system as the root user:
ssh [email protected]_ip_address
2. Create a new user account.
Create a new user account using the
adduser command. Don’t forget to replace
username with the username that you want to create:
You will be prompted to set and confirm the new user password. Make sure that the password for the new account is as strong as possible.
Adding user `username' ... Adding new group `username' (1001) ... Adding new user `username' (1001) with group `username' ... Creating home directory `/home/username' ... Copying files from `/etc/skel' ... New password: Retype new password: passwd: password updated successfully
Once the password has been entered, the command will create a home directory for the user, copy numerous configuration files to the home directory, and prompt you to provide the new user’s details. If you prefer to accept the defaults and leave all of this information blank, simply hit ENTER.
Changing the user information for username Enter the new value, or press ENTER for the default Full Name : Room Number : Work Phone : Home Phone : Other : Is the information correct? [Y/n]
3. Add the new user to the
By default, on Ubuntu systems, members of the group
sudo are granted with sudo access. To add the user you created to the sudo group, use the
usermod -aG sudo username
Test the access
Switch to the newly created user:
su - username
sudo to run the
If the user has sudo access then the output of the
whoami command will be “root”:
How to use sudo
To use sudo, simply prefix the command with
sudo and space:
sudo ls -l /root
The first time you use
sudo in a session, you will be prompted to enter the user password:
[sudo] password for username:
You have learned how to create a user with sudo privileges. You can now log in to your Ubuntu server with this user account and use
sudo to run administrative commands.
Feel free to leave a comment if you have any questions.