First of all, I'm a newwbie on Linux and CentOS. My webserver is on CentOS Linux 7 and different sites/domains under:
Where "username" is my username in the system. I can connect to the server both via SSH and FTP. This is a virtual server from my provider.
Groups available are
wheel; my account is a member of
How do I add a new user (for a developer) so he can connect through SSH and FTP and have the same rights as me (and reach