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I want to share some basic Linux commands to add a new user via the command line. But first, we need to log in to the default user, and then you can follow these steps.

1. Open the Terminal

You can press Ctrl + Alt + T to launch the terminal.

2. Create a New User

sudo useradd -m username

Replace the username you need to change. The -m option ensures the creation of a home directory for the user.

For example, the username I set is ‘farrosfr.’

3. Set a Password for the New User

sudo passwd username

Replace the username with the one that has already been created.

Type the new password for the new user and retype it until you see the message: ‘Password updated successfully’.

4. Grant Sudo Privileges

To allow the new user to execute administrative tasks, add them to the sudo group:

sudo usermod -aG sudo username

Don’t forget to replace the username. The -aG options append the user to the specified group without removing them from other groups.

5. Set the Default Shell to Bash

sudo chsh -s /bin/bash username

Replace the username. This command changes the user’s login shell to /bin/bash.

6. Verify the New User

id username

Explanation:

• uid=1001(farrosfr): The user ID (UID) for farrosfr is 1001.
• gid=1001(farrosfr): The group ID (GID) for farrosfr is 1001, and it's associated with the group farrosfr.
• groups=1001(farrosfr),27(sudo): The user farrosfr belongs to two groups:
  1. farrosfr (group ID 1001)
  2. sudo (group ID 27), which allows the user to perform administrative tasks using sudo.

7. Switch to the New User

su - username

You can also try logging in on the login panel to verify the new username.

I think that’s all. Thanks for reading. I hope this can be useful.