Privacy

How to securely delete a file and its contents

Need to delete the contents of a sensitive file on Linux? Instead of just deleting it with rm, have a look at some other options for a more secure deletion.

Postfix Hardening Guide for Security and Privacy

Secure the mail configuration of Postfix with this step-by-step guide, use relevant commands, and increase both security and privacy.

The real purpose of login banners (on Linux)

We are used seeing login banners everywhere. What is the point of them, and why would they be useful? The answer is more surprising than you expected.

Privacy Policy

Learn more about our promises when it comes to privacy for this website. This privacy policy will show our take and what we do to increase privacy for you.