“The Linux Programming Interface” as a university course text Although I didn’t specifically target TLPI at the university market as I wrote it, by now I’ve had emails from a number of university teachers who are using TLPI as a … Read more
Introduction An obscure quirk of the /proc/*/mem pseudofile is its “punch through” semantics. Writes performed through this file will succeed even if the destination virtual memory is marked unwritable. In fact, this behavior is intentional and actively used by projects … Read more
Happy belated new year! Linux 6.19 is now out in the wild and… ah, let’s just cut to the chase. We know what you’re here for. The big one Asahi Linux turns 5 this year. In those five years, we’ve … Read more
Memory safety and sandboxing are two different things. It’s reasonable to think of them as orthogonal: you could have memory safety but not be sandboxed, or you could be sandboxed but not memory safe. Example of memory safe but not … Read more
One of the more curious dotcom era startups was VA Linux. In a way, it makes sense, because so much of the dotcom boom was powered by Linux, so we’d expect a Linux company to do well in those times. … Read more
One of the most tedious tasks a developer will do is debugging a nagging bug. It’s worse when it’s a web app, and even worse when its a webassembly web app. The easiest way to debug Qt Webassembly is by … Read more
Welcome to The Core Project – Tiny Core Linux The Core Project is a highly modular based system with community build extensions. It starts with a recent Linux kernel, vmlinuz, and our root filesystem and start-up scripts packaged with a … Read more
Where and when Linux Install Fest will be held on December 9, 2025 in the JAG3 classroom of the Faculty of Mathematics, at Jagićeva 5, Belgrade. Entry to the classroom is possible from 6 pm to 9 pm. Jagićeva street … Read more
Follow @popovicu94 I’ve recently been experimenting with various ways to construct Linux VM images, but for these images to be practical, they need to interact with the outside world. At a minimum, they need to communicate with the host machine. … Read more
The kernel isn’t a process—it’s the system. It serves user processes, reacts to context, and enforces separation and control. The Kernel Is Not a Process: It’s the always-present authority bridging hardware and software. Serving the Process: Orchestrates syscalls, interrupts, and … Read more