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/asmx-raptor-native-assembler-and-strict-typing-in-system-programming
AsmX Raptor integrates assembler into the compiler's AST, offering unprecedented control and security for systems developers. Learn about the new compilation pipeline, evolution of the type system, and support for version-independent Linux kernel modules.
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/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 Rejection of outdated certificates, audit mode, AppLocker.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.
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.
Learn how to set up CI/CD pipeline with GitHub Actions. Step-by-step guide with YAML examples for automated testing, Docker builds, and deployment.
MongoDB vs PostgreSQL when to use each: compare ACID compliance, scalability, schema flexibility, and query power. Choose the right database for your project.
Compare fine tuning vs retrieval augmented generation for LLMs. Learn which approach suits your AI project based on accuracy, cost, and data freshness.
Google introduced Gemini Ultra 2.0 with a context of up to 10 million tokens, surpassing GPT-5. Learn about the breakthrough architecture, price of $0.0005, and impact on the AI market. Read the full analysis.
Learn how Netflix scales its streaming infrastructure with AWS, Open Connect CDN, and chaos engineering. Discover the tech behind 270M subscribers and sub-100ms latency.
CERN successfully transmitted entangled photons over 50 km in a real urban network. Learn how White Rabbit technology is changing the quantum communications market and who benefits from this breakthrough.
Learn how to implement JWT authentication securely in your web API. This complete guide covers token issuance, validation, best practices, and production security.
PostgreSQL vs MySQL which one to choose? Compare features, performance, scalability, and use cases. Make an informed decision for your project with this data-driven guide.
Learn how to build an AI agent with LangChain in this step-by-step tutorial. Set up tools, integrate LLMs, and create autonomous agents with memory.
Discover how to learn Python for beginners with this step-by-step roadmap. Master fundamentals, data structures, and build real projects. Start your coding journey today.