#kernel

OS Design and Implementation: (Week 5) - Page fault

Lecture xv6 Book; Chapter 5 - Page fault: https://pdos.csail.mit.edu/6.1810/2025/xv6/book-riscv-rev5.pdf Chapter 5 discusses page faults. A page fault is an exception that occurs when a virtual addres

Feb 202 min read

SBSagar Budhathokiblog.budhathokisagar.com.np

Kernel Panic, No Display, and NVIDIA Drama - A Regular Day in DevOps

Let me tell you about this week(Obv. mine). I pressed the power button on our office’s Ubuntu server. Fans started spinning. CPU light turned on. Everything sounded normal. But the monitor? Completely black. Nothing. Not even the BIOS screen showed u...

Feb 186 min read

FFlareXesflarexes.com

Can You Modify the Host Kernel from a Docker Container?

Can we prove Docker shares the same kernel as the host machine? Yes — and we can prove it hands-on. This was actually a random thought. I didn’t research existing proofs or blog posts because I wanted to reason from first principles using my understa...

Feb 167 min read

Eextenciliq.thc.org

Breaking eBPF Security: How Kernel Rootkits Blind Observability Tools

Stealthy Kernel Rootkit: https://github.com/MatheuZSecurity/Singularity Rootkit Researchers: https://discord.gg/66N5ZQppU7 Author (MatheuZSecurity): https://www.linkedin.com/in/mathsalves/ Introduction Linux security tooling has leaned heavily into ...

Feb 1416 min read

ARAnish Roydevdump.tech

What Actually Happens When You Run a Program

You type a command and press Enter. A program starts in milliseconds. Your operating system performs a long chain of controlled steps. These steps involve the shell, the kernel, the CPU scheduler, and memory management. This blog traces that journey ...

Feb 134 min read

LWLech Wilczyńskiitcrowd.hashnode.dev

USB-C Dock Display Flicker on Ubuntu

If you run Linux on a laptop with a USB-C/Thunderbolt dock, there is a good chance you have seen this at least once: the external monitor goes black for 1-3 seconds, image comes back, it may blink again, then it stays stable for a few minutes, and t...

Feb 75 min read

TATawaliou ALAOtawaliou.com

OS Design and Implementation: (Week 4) - Trap

Lecture xv6 Book; Chapter 4 - Traps and system calls: https://pdos.csail.mit.edu/6.1810/2025/xv6/book-riscv-rev5.pdf The lecture in the 4th week was about Traps.A trap is an event that causes the CPU to switch from its current task to specific code i...

Jan 133 min read

TATawaliou ALAOtawaliou.com

OS Design and Implementation: (Week 3) - Page tables

Okay! Not only did I spend more than 3 weeks on it, but I also completed only 2 of the 3 labs about page tables. And yes, it was a tough chapter. Anything related to memory is tough, by the way. In short, this chapter was about page tables and how th...

Dec 31, 20253 min read

ASAnindya Senhacklin.hashnode.dev

Mastering Portability: Solving Cross-Architecture Challenges in Linux Userspace and Kernel

You've just spent three hours debugging why your userspace application crashes every time it talks to your kernel module. The ioctl calls return garbage data, pointers that seems correct in application is corrupted, and structure fields contain compl...

Dec 28, 202517 min read

GGitHubOpenSourcegithub-open-source.hashnode.dev

Moss: The Rust Kernel That Uses Async/Await to Kill Kernel Deadlocks

📝 Quick Summary: Moss is a Unix-like, Linux-compatible kernel written in Rust for the Aarch64 architecture. It leverages Rust's async/await features for a modern, deadlock-free kernel design and aims for binary compatibility with Linux userspace, ca...

Dec 26, 20253 min read

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#kernel

OS Design and Implementation: (Week 5) - Page fault

Kernel Panic, No Display, and NVIDIA Drama - A Regular Day in DevOps

Can You Modify the Host Kernel from a Docker Container?

Breaking eBPF Security: How Kernel Rootkits Blind Observability Tools

What Actually Happens When You Run a Program

USB-C Dock Display Flicker on Ubuntu

OS Design and Implementation: (Week 4) - Trap

OS Design and Implementation: (Week 3) - Page tables

Mastering Portability: Solving Cross-Architecture Challenges in Linux Userspace and Kernel

Moss: The Rust Kernel That Uses Async/Await to Kill Kernel Deadlocks

#kernel

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#kernel

OS Design and Implementation: (Week 5) - Page fault

Kernel Panic, No Display, and NVIDIA Drama - A Regular Day in DevOps

Can You Modify the Host Kernel from a Docker Container?

Breaking eBPF Security: How Kernel Rootkits Blind Observability Tools

What Actually Happens When You Run a Program

USB-C Dock Display Flicker on Ubuntu

OS Design and Implementation: (Week 4) - Trap

OS Design and Implementation: (Week 3) - Page tables

Mastering Portability: Solving Cross-Architecture Challenges in Linux Userspace and Kernel

Moss: The Rust Kernel That Uses Async/Await to Kill Kernel Deadlocks