GPG or GNU Privacy Guard is a complete and free implementation of the OpenPGP standard as defined by RFC4880 (also known as PGP). It is a tool that provides encryption and signing services, using which, you can encrypt or sign your files, messages, emails and can even sign your github …

SSH is quite an interesting protocol in itself. A lot of people are using it for a secure communication between two machines. This blog post hits behind the scenes that go on, between machines connected via SSH.

You might have an experience of remote login on SSH. But have you …