Learn how to setup users in MySQL to be accessible from various hosts, remote or local, as well as ranges of IP addresses. We'll cover giving users specific grants to determine what they can do to the databases they are assigned.

We can configure who can use the sudo command and how. You may have noticed that the Vagrant user on your development server can use sudo without a password. Similarly, AWS servers allow the same thing. Find out how that's done, and much more!

On Debian/Ubuntu servers, we can enable the automatic download and installation of security updates. Let's see how to protect our servers by enabling unattended upgrades!