Security

• Where do spam callers get my data? The truth behind massive data theft

  15/12/2025

  Where do spammers get my data from? If you’re one of those people receiving calls from unknown numbers offering products you don’t want, dozens of spam emails daily, or promotional text messages you never signed up for, you’ve probably asked yourself more than once: where the hell did they get my data from?

• The best Linux distros to migrate from Windows in 2025

  01/12/2025

  The best decision you can make as a Windows user isn’t to wait for Microsoft to improve, but to take control of your computing experience.

• Database views: What are they and how to use them?

  10/02/2025

  As databases grow larger and more complex, managing and accessing data efficiently becomes increasingly challenging. This is where database views come into play. A view acts as a “window” into the data stored in your database.

• Deploy your own virtualized VPN: What it is, how it works, and step-by-step guide

  15/10/2024

  In today’s world, especially with the rise of remote work, companies need secure and efficient solutions to connect remote offices, mobile workers, and internal networks. One of the most widely-used tools for this purpose is a VPN ( Virtual Private Network), which allows organizations to establish encrypted and protected connections over the internet.

• Mastering file permissions in GNU/Linux

  01/06/2024

  In the last chapter, we delved into the depths of GNU/Linux, exploring user management, file system organization, and basic environment configuration. We learned about the importance of the root user, user and group management, and the hierarchical structure of the file system.