As a Bitcoiner, you’re going to need a secure way to communicate privately, without relying on a company to encrypt your data for you. For example, freely available methods with end-to-end encryption ...

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 ...

Jack Wallen shows you how to add GPG repository keys, now that apt-key has been deprecated. For years, I’ve added repository keys to Ubuntu-based Linux distributions with the apt-key command. But ...

Encryption is one of the pillars of modern-day communications. You have devices that use encryption all the time, even if you are not aware of it. There are so many applications and systems using it ...

Editor's Note: The following is an excerpt from chapter 11, "Keeping Your Data Private", of Peter van der Linden's Guide to Linux, published August 2005 by Prentice Hall, ISBN 0-13-187284-2. In Part 1 ...