Ubuntu articles

Last change: 2025-01-06

The cheat sheet for the apt package manager to cover the most used options. Learn how to get more out of the apt command.

Last change: 2025-01-06

Query the package manager to show installed packages on Ubuntu systems including version details. This can be done with the dpkg command and --list option.

Last change: 2025-01-06

Is your /boot partition full and apt can no longer install updates? Learn how to fix this issue and what you can do to prevent it.

Last change: 2025-01-06

Step by step guide to secure any Ubuntu desktop or server. Harden your Ubuntu during installation and afterwards with the available security tips.

Last change: 2025-01-06

With the right Linux software tools, it is easy to find to which package a file belongs. Or the opposite, what files are part of an installed package.

Last change: 2025-01-06

Software updates and package management is easy, until you get a KEYEXPIRED message. In this article we should how it happens and the way to solve it.

Last change: 2025-01-06

How to deal with Linux vulnerabilities? This article shares the insights, methods, and tools to help with detection and prevention on Linux systems.

Last change: 2025-01-06

To counter the biggest threat to software packages, Debian and Ubuntu based systems can use unattended-upgrades, to install security patches automatically.

Last change: 2025-01-06

The upcoming Lynis 2 release will bring many new features. Focus is on simplicity, speed and supporting newer technologies like Docker and systemd.

Last change: 2025-01-06

Also Debian and Ubuntu are vulnerable for Shellshock vulnerability in Bash. That's why it is important to run apt update and perform an upgrade of Bash.

Last change: 2025-01-06

Debian based systems, like Ubuntu, need sometimes a reboot as well. We have a look on determining if a required reboot is needed and due to what packages.