Jul 10, 2020
By default, the initial user created by the Ubuntu installer is a member of the group sudo which is added to the file /etc/sudoers as an authorized sudo user. If you wish to give any other account full root access through sudo, simply add them to the sudo group. Adding and Deleting Users How to Easily Add Users to Groups in Ubuntu Jul 30, 2012 Ubuntu User Management – Linux Hint
Apr 09, 2020
1./ Adding User to the sudo Group. On Ubuntu, the easiest way to grant sudo privileges to a user is by adding the user to the sudo group. Members of this group can execute any command as root via sudo and they will prompted to authenticate using their password. So, to add the user to the group run the command below as root or another sudo user. Ubuntu Add User to Sudoers - RoseHosting.com Blog
Mar 12, 2014
Ubuntu Linux: Add and Remove Users to Groups the Easy Way Aug 12, 2019 How to Make a User an Administrator in Ubuntu Oct 29, 2018