Linux, in its many forms, has always worn transparency as a badge of honor. Unlike proprietary systems where code is hidden ...

A detailed study of hundreds of Flatpak and Snap packages found that nearly 42% of Flatpak apps either override the supposed ...

Live USBs are critical lifelines for persistence in Tails. Now, Tails 6.0 alerts users when underlying storage suffers ...

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 ...

A vDSO (virtual dynamic shared object) is an alternative to the somewhat cycle-expensive system call interface that the GNU/Linux kernel provides. But, before I explain how to cook up your own vDSO, ...

Many market sectors, such as financial trading, defense, industry automation and gaming, long have had a need for low latencies and deterministic response time. Traditionally, custom-built hardware ...

Nowadays, high-performance server software (for example, the HTTP accelerator) in most cases runs on multicore machines. Modern hardware could provide 32, 64 or more CPU cores. In such highly ...

Jim demonstrates color manipulation with curses by adding colors to his terminal adventure game. In parts one and two of my article series about programming with the ncurses library, I introduced a ...

Stories of compromised servers and data theft fill today's news. It isn't difficult for someone who has read an informative blog post to access a system via a misconfigured service, take advantage of ...

The load-average calculation is best thought of as a moving average of processes in Linux's run queue marked running or uninterruptible. The words “thought of” were chosen for a reason: that is how ...

Have you ever heard the following? "Welcome to the team! Here's a list of 15 applications to install, the instructions are in the team room, somewhere. See you in a week!" Or: "What do you mean it ...

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 ...