Ubuntu user creation tutorial: Add a non-root account with sudo permissions

This article table of contents show 1. 1. Add a new account 2. 2. Add the user to the Sudo group 3. 3. Test 4. 4. Discount for novice bricklayers Performing server administration as a non-root user is a security best practice. After launching your VPS, your first task as root should be to set up a non-root user with sudo access. By default, the account and password initialized by Banwagonhost are for root, that is, the default username is root (note the case, all lowercase). In this case, the recommended approach is to create a non-root user after logging in, and then add sudo permissions, so the operation is more secure and you will not accidentally use the wrong permissions. This tutorial applies to the following versions:

• Ubuntu 20.04 LTS
• Ubuntu 19.10
• Ubuntu 18.04 LTS
• Ubuntu 16.04 LTS

1. Add a new account

Use the adduser command to create a new user account. Use strong passwords for new users. You can enter values ​​for user information or press ENTER to leave these fields blank. # adduser example_user Adding user `example_user' ... Adding new group `example_user' (1001) ... Adding new user `example_user' (1001) with group `example_user' ... Creating home directory `/home/example_user' ... Copying files from `/etc/skel' ... New password: Retype new password: passwd: password updated successfully Changing the user information for example_user Enter the new value, or press ENTER for the default Full Name []: Example User Room Number []: Work Phone []: Home Phone []: Other []: Is the information correct? [Y/n] y

2. Add the user to the Sudo group

Add the new user to the sudo group. # adduser example_user sudo

3. Testing

Switch to new user. #su-example_user Use whoami to verify you are the new user, then test sudo access using sudo whoami , which should return root. $ whoami example_user $ sudo whoami [sudo] password for example_user: root The new user account is ready for use. As a best practice, use this sudo user for server administration. You should avoid using root to perform maintenance tasks.

4. Discount for novice bricklayers

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