You use the chmod command to set each of these permissions. To see what permissions have been set on a file or directory, we ...

You can check user groups in Linux with commands like groups, id, getent, and /etc/group to manage permissions easily.

Kali Linux has released version 2025.3, the third version of 2025, featuring ten new tools, Nexmon support, and NetHunter improvements.

Certifications from Red Hat, Oracle and SUSE are tailored to environments where those Linux distributions are prevalent.

Tired of typing long commands in a terminal? Here are some GUI alternatives you can swap in for classic Linux terminal tools.

In a blank terminal, type “calcurse” and press Enter. The Calcurse interface is split into three panels: Appointments, Calendar, and To-Do. You use arrow keys to jump around the calendar dates, which ...

A file name is described as the title of the file and the file extension. When you rename a file, only the first part of the file name is changed. The file extension remains the same and usually, is ...

An open source software supply-chain vulnerability is an exploitable weakness in trusted software caused by a third-party, ...

Huntress analysts discovered a previously unseen ransomware variant, Obscura, spreading from a victim company's domain controller. Learn how Obscura works—and what it means for defenders—in this ...

In 2002, Raskin, along with his son Aza and the rest of the development team, built a software implementation of his ...

Explore emerging attack methods, evolving AI-driven threats, supply chain risks, and strategies to strengthen defenses and ...

The XZ attack is a backdoor that reminds us our biggest open-source security threats are from decades of unlearned lessons.