The second option is to add the user to the sudo group defined in the sudoers file. By default, on RedHat based distributions like CentOS and Fedora, members of the “wheel” group are granted with sudo privileges.

Save and exit the sudoers file. Now the next time we try and run the “sudo” command with the newly added user, it’ll allow us through. Adding a User to the “wheel” Group. Another option for CentOS users is hinted at in the sudoers file a little

1. Adding Users to Sudoers File Manually. Adding the user to the sudoers file is very easy. All you do is open the /etc/sudoers file and add the username to the list. If you haven’t already read through our tutorial explaining the sudo command and the s