Search Articles — Sudonull

https://sudonull.com/backdoor-in-wait4-linux-kernel-vulnerability

Analysis of a real backdoor in the Linux kernel from 2003: how an assignment error in wait4() opened root access. Lessons for developers: code review, Git, fuzzing. Study the details of the attack.

https://sudonull.com/icmp-tunnel-in-the-linux-kernel-tcp-udp-encapsulation

How to implement an ICMP tunnel in the Linux kernel for TCP/UDP traffic encapsulation. Code analysis, Netfilter hooks and working with sk_buff. Useful for middle/senior developers.

https://sudonull.com/elks-0-9-for-8086-linux-kernel-on-16-bit

ELKS 0.9 released for Intel 8086/80286: Nano-X, NXDSKTOP, C86 toolchain, Doom. Test in QEMU or Bochs. Update details for developers.

https://sudonull.com/sched-ext-bpf-schedulers-in-linux-6-12

Explore sched_ext — a new class of schedulers in the Linux 6.12 kernel. Dynamic policy replacement via BPF for optimization under workloads. Benchmarks, examples, scenarios.

https://sudonull.com/removing-i486-from-linux-molnar-s-patch

Ingo Molnar proposes to remove i486 support from the Linux kernel, cutting the code by 14 thousand lines. CX8 and TSC emulation will go away. Details for x86 developers.

Download Linux | Linux.org

https://www.linux.org/pages/download/

May 1, 2017 · Explore different Linux distributions and find the one that fits your needs. Try distrowatch.comfor more options. Ubuntu …

Linux - Wikipedia

https://en.wikipedia.org/wiki/Linux

This page was last edited on 4 September 2026, at 15:57 (UTC).

Linux.org

https://www.linux.org/

Aug 20, 2026 · Linux.org has been online in some form since 1994, making it one of the earliest sites built around the Linux …

Best Linux Distros for Every Use Case in 2026 | Linuxize

https://linuxize.com/post/best-linux-distros/

6 days ago · Compare the best Linux distros for beginners, gaming, servers, and security testing, with current versions and a straight …

What is Linux? - Linux.com

https://www.linux.com/what-is-linux/

Linux is actually everywhere: It’s in your phones, your thermostats, in your cars, refrigerators, Roku devices, and televisions. It also …

What is Linux? - Red Hat

https://www.redhat.com/en/topics/linux/what-is-linux

Feb 5, 2026 · What is Linux? Linux® is an open source operating system (OS) created by Linus Torvalds in 1991. Today, it has a …

The Linux Kernel Archives

https://www.kernel.org/

Aug 30, 2026 · Site Atom feed Releases Atom Feed Kernel Planet This site is operated by the Linux Kernel Organization, a 501(c)3 …

Download - Get Ubuntu

https://ubuntu.com/download

Download Ubuntu Desktop, Server, Core, and flavors for PCs, servers, IoT devices, and cloud.

Home - Linux Mint

https://www.linuxmint.com/

Exploring the bevy of Linux distributions out there is a fun part of the hobby, but for your first installation, you will likely want …

What Is Linux - GeeksforGeeks

https://www.geeksforgeeks.org/linux-unix/what-is-linux/

Jul 23, 2025 · This community contributes to the development of the Linux Kernel, as well as the creation of a wide range of free and …