Use "sudo usermod -a -G example_group example_user" to add a user to a group. To add a user to multiple groups at once, separate groups by commas, like "sudo usermod -a -G group1,group2,group3 example ...

Linux 101: How to give users sudo privileges on Ubuntu and Red Hat-based Linux distributions Your email has been sent Most users on your Linux machines might be non-admins who use services and ...