Recently, Qualys released CVE-2021-3156: a deadly sudo bug that has been there for 10 years and not only affects Linux, but also macOS, AIX, and Solaris. In this module, we will go over some crucial aspects of it in a…
In this article, we’ll learn to install Ubuntu on Windows. Windows Subsystem for Linux or WSL is a functionality developed by Microsoft to use basic Linux functionalities natively on its Windows 10 operating system and Windows 10 Server. With help…
If you’re having trouble locating a package on your Linux system, know it’s a frequently occurring problem for those new to package installations or executions, especially on Debian/Ubuntu-based systems. Nonetheless, there’s no need to be concerned since we’ve got you…
As a user of Ubuntu or Debian-based Linux distributions, you may have encountered the frustrating “Permission Denied” error while accessing specific files and directories. This error is typically caused by inadequate file permissions or ownership settings, preventing you from accessing the…
In this module, we are going to learn how to login as root over SSH on Ubuntu/Debian machine. Often it is required to SSH into servers as root for administrative reasons. This is disabled by default on most machines but…
If you’re running a Debian or Ubuntu-based distribution and want to get rid of a package, you can do so in several methods using the apt package manager. However, knowing when to use each technique and what sets them apart…