This will show you how to set up a VPN Kill Switch so all traffic will come from that server. For this server, I am using CentOS, but you can easily use Ubuntu server if you are more familiar with that.
In this article, I show you all the steps needed to secure a web server and improve your security. I recommend doing all of these things on every installation. Also, just because you secure your server doesn’t mean you can neglect it. I highly recommend monitoring it and adjusting security as needed. Monitoring is required for proper security in my opinion.
This article goes over installing Linux for the first time. I will break it down into 3 parts with a Video Walkthrough. Using this will make it very easy for you to install Linux for the first time.