There are many reasons to encrypt files — even on a system that is well maintained and comparatively secure. The files may highly sensitive, contain personal information that you don’t want to share ...

Encrypting files from the command line is simple with gpg. You can use it to encrypt and decrypt files with a password. The command gpg is part of GnuPG. GnuPG stands ...

There are numerous commands for encrypting files on Linux. When you want to limit access to file contents, you can use file permissions but file encryption makes limiting access much more effective.

Businesses have proprietary information such as customer lists that need protection. The easiest way to protect only a few critical files is to encrypt and decrypt them manually. Unix system come with ...

Before you encrypt, decrypt or sign anything, you need to build your own public and private keyrings; let's start by generating a GnuPG key pair. This is one of the more interactive gpg functions: the ...

If you are in need of solid encryption but want to steer clear of the mainstream, then GnuPG is for you. In this Daily Feature, Jack Wallen, Jr., explains how to install GnuPG and its basic features.