Linux is a treasure trove of powerful tools, many of which remain undiscovered by casual users. While staples like grep, awk, ...

The Raspberry Pi is a credit card-sized computer capable of running full-fledged Linux distributions such as Raspberry Pi OS, ...

Debian has traditionally favored AppArmor for its simplicity and ease of integration. However, SELinux support is fully ...

Advanced Linux networking empowers sysadmins and engineers to build scalable, resilient, and performance-tuned ...

iptables is the user-space tool for configuring firewall rules in the Linux kernel. It is actually a part of the larger netfilter framework. Perhaps because iptables is the most visible part of the ...

ALSA stands for the Advanced Linux Sound Architecture. It consists of a set of kernel drivers, an application programming interface (API) library and utility programs for supporting sound under Linux.

Editors' Note: This article has been updated since its original posting. Software and hardware engineers who have to deal with byte and bit order issues know the process is like walking a maze. Though ...

If you usually work with non-trivial C sources, you may have wondered which execution path (that is, which sequence of function calls) brought you to a certain point in your program. Also, it would be ...

Penetration testing, often referred to as pen testing, is a critical practice in the field of cybersecurity. It involves simulating cyber-attacks on a system, network, or web application to identify ...

"Marley was dead, to begin with."—Charles Dickens, A Christmas Carol. As you surely know by now, Linux Journal started in 1994, which means it has been around for most of the Linux story. A lot has ...

The kernel this. The kernel that. People often refer to one operating system's kernel or another without truly knowing what it does or how it works or what it takes to make one. What does it take to ...

A new initiative, called "EU OS," has been launched to develop a Linux-based operating system tailored specifically for the public sector organizations of the European Union (EU). This ...