Security is tantamount to peace of mind. After all, security is a big reason why so many users migrated to Linux in the first place. But why stop with merely adopting the platform, when you can also employ several techniques and technologies to help secure your desktop or server systems.
One such technology involves keys—in the form of PGP and SSH. PGP keys allow you to encrypt and decrypt emails and files, and SSH keys allow you to log into servers with an added layer of security.