Almost every server 🖥 out there has SSH. Security issues 🔓 in your SSH server is a problem 🤦♂️ as it can let anyone get access to the server. This article is a step-by-step 📖 guide on securing SSH server by implementing better 🛠️ configuration, 🔑 public/private key authentication and 🎯 fail2ban.
There are a lot of servers that run on Debian. It has only been a month since Debian 10 Buster was released in the stable branch of Debian. Before we start upgrading from Debian 9 Stretch to Debian 10 Buster, it is recommended to have a full system backup.