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HTTP Latency Diagnostics: from Nginx to the Kernel

https://sudonull.com/http-latency-diagnostics-from-nginx-to-the-kernel

Searching for causes of latency in the HTTP pipeline. Analysis of Nginx logs, Server-Timing, and TCP_INFO for quick localization of bottlenecks.

Backdoor in wait4(): Linux kernel vulnerability

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.

Windows Kernel Policy: Only WHCP Drivers from 2026

https://sudonull.com/windows-kernel-policy-only-whcp-drivers-from-2026

Microsoft tightens driver trust in Windows 11 and Server 2025 kernel. Rejection of outdated certificates, audit mode, AppLocker. Details of changes for developers and admins — read and prepare.

OptimaOS on Rust: single kernel for all platforms

https://sudonull.com/optimaos-on-rust-single-kernel-for-all-platforms

Explore OptimaOS architecture — kernel on Rust without forks for desktop, servers and Edge. Separation of mechanisms/policies, Linux ABI, memory safety. Detailed breakdown for developers.

Anticheats: user-mode and kernel-mode limitations

https://sudonull.com/anticheats-user-mode-and-kernel-mode-limitations

Breakdown of anticheat levels, DLL injection detection and DMA. Technical principles for developers. Study the weaknesses and evolution of game protection systems.

From the web

6 days ago ·

https://www.kernel.org/

6 days ago · Social Site Atom feed Releases Atom Feed Kernel Planet This site is operated by the Linux Kernel Organization, a 501(c)3 nonprofit corporation, with support from the following sponsors.

K3rnelPan1c — KernelOS & !K3rnalyze (Official)

https://kernelos.org/

KernelOSgives you a complete Windows overhaul— from kernel -level scheduling to power management — all working together to give you every possible edge. Extensively tuned MMCSSand CPU scheduling parameters for consistent frame pacing Optimized Cache Managerand memory handling for reduced hitching

6 days ago ·

https://www.kernel.org/?lang=1

6 days ago · Other resources Git Trees Documentation Kernel Mailing Lists Patchwork Wikis Bugzilla Mirrors Linux.com Linux Foundation Site Atom feed Releases Atom Feed Kernel Planet

Sep 3, 2017 ·

https://github.com/torvalds/linux

Sep 3, 2017 · The Linux kernel is the core of any Linux operating system. It manages hardware, system resources, and provides the fundamental services for all other software. Quick Start

Apr 23, 2026 ·

https://www.geeksforgeeks.org/operating-systems/kernel-in-operating-system/

Apr 23, 2026 · The kernel manages system resources , such as the CPU, memory and devices, ensuring everything works together smoothly and efficiently. It handles tasks like running programs, accessing files and connecting to devices like printers and keyboards.

Jul 5, 2021 ·

https://www.ionos.it/digitalguide/server/know-how/cose-un-kernel/

Jul 5, 2021 · Un kernel costituisce l’interfaccia tra l’hardware e il software. È il componente principale di un sistema operativo e ne gestisce le risorse. Scopriamo come funziona.

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