Introduction Security of a system is often overlooked or not considered important enough. Some might think not about the possible consequences, which might result in a hacked or compromised server. Maybe sensitive data gets stolen or encrypted with major consequences. A collection of tools, techniques and best pratices can help to reduce such vulnerabilities. This process is called system hardening. We have seen quote a lot of hacks and data breaches over the past years across different big companies, including but not limited to: PayPal, LastPast, T-Mobile, MailChimp, Netflix, Dropbox, OpenSea, Twitter…

Welcome back, this will be the 3rd part of new server series. In the previous parts I assembled the server and prepared the machine with Ubuntu Server. I configured the basics things like; networking, RAID setup, E-Mail and more. In case you missed that: read Part I and Part II. Today, we will finish the job with installing and configuring all the services we love so much. Again, I included a Table of Contents for convenience reasons, since it quite a long article.