Manage users

Links

• Add a new Linux user
  http://doc.ubuntu-fr.org/adduser

• Add a user to a group
  http://www.cyberciti.biz/faq/howto-linux-add-user-to-group/

• Configure sudoers
  https://help.ubuntu.com/community/Sudoers

Commands

• Create a user rue89 and add it to the group sudo

useradd -G sudo rue89

• Add an existing user (graymond) to an existing group (payroll)

sudo usermod -a -G payroll graymond