Articles, notes, and experiments by Jim Sines.https://raystanza.uk/en-ushttps://raystanza.uk/posts/being-invisible-online/https://raystanza.uk/posts/being-invisible-online/Learn what online anonymity really takes in 2026: threat modeling, Tor and Tails, Mullvad VPN, encrypted chat, Monero, fingerprint resistance, and OPSEC. Fri, 31 Jul 2026 11:00:00 GMTprivacysecuritytutorialshttps://raystanza.uk/posts/semver-and-conventional-commits/https://raystanza.uk/posts/semver-and-conventional-commits/A guide to Semantic Versioning and Conventional Commits, how they work together, and why they matter for CI/CD pipelines. Sat, 06 Jun 2026 11:00:00 GMTdevopsgittutorialshttps://raystanza.uk/posts/max-fart-psi/https://raystanza.uk/posts/max-fart-psi/A peer-reviewed, equation-laden, citation-backed investigation into the maximum pressure a human being can generate during a fart. Includes intraabdominal pressure modeling, colonic contraction data, sphincter resistance thresholds, a summary table, and the answer in PSI. Someone had to do it. Sun, 12 Apr 2026 14:00:00 GMTsciencesunday-nonsensehttps://raystanza.uk/posts/oxide-randomx-performance/https://raystanza.uk/posts/oxide-randomx-performance/A technical reflection on building `oxide-randomx`, a clean-room RandomX implementation in Rust: why the real work was not just interpreter and JIT correctness, but building enough measurement discipline to reject seductive optimizations that failed cross-host scrutiny. Wed, 18 Mar 2026 13:15:00 GMTrustsystemshttps://raystanza.uk/posts/the-perils-of-ai/https://raystanza.uk/posts/the-perils-of-ai/An urgent, evidence-backed feature for senior AI leaders on existential risk from AGI and ASI, tracing the inevitability horizon of scaling, why the alignment tax is fatal, concrete treacherous-turn pathways, and why current governance is theater. Includes 60+ technical citations and a granular first-48-hours scenario for misaligned superintelligence. Sat, 08 Nov 2025 14:00:00 GMTai-safetygovernancepolicyresearchsecurityhttps://raystanza.uk/posts/run-your-own-email-server/https://raystanza.uk/posts/run-your-own-email-server/A practical, frugal guide to self-hosting transactional email with Postfix, Dovecot, and OpenDKIM on Debian/Ubuntu. Covers DNS (SPF/DKIM/DMARC, PTR), TLS, logging, bounce handling, rate limiting, and deliverability pitfalls—plus privacy benefits and a pragmatic hybrid-relay strategy for solo developers. Sat, 01 Nov 2025 12:30:00 GMTdevopsself-hostinghttps://raystanza.uk/posts/death-star-costs/https://raystanza.uk/posts/death-star-costs/A data-first estimate of a moon-size battle station. Builds from your research to price materials, labor, assembly, energy systems, and specialized tech. Anchors the steel baseline at ~$1.2 quintillion, the program-level total near ~$193 quintillion, and daily operations near ~$7.7 octillion, with clear assumptions and sensitivity analysis. Sat, 18 Oct 2025 12:30:00 GMTtechnologyeconomicsspacehttps://raystanza.uk/posts/finer-points-of-rust/https://raystanza.uk/posts/finer-points-of-rust/A high-level, brutally practical tour of Rust aimed at senior C and C# engineers. Covers ownership and borrowing, traits and generics, enums/ADTs, error handling, concurrency and async (`Send`/`Sync`, pinning, executors), FFI strategy, performance tuning, and real-world architecture patterns...plus a few war stories. Sat, 04 Oct 2025 12:30:00 GMTprogrammingrusthttps://raystanza.uk/posts/learning-rust/https://raystanza.uk/posts/learning-rust/A long-form survival guide for developers diving into Rust. Covers ownership, borrowing, lifetimes, common pitfalls, and practical tips. All explained with humor and real-world analogies to help you conquer Rust’s learning curve. Mon, 01 Sep 2025 13:33:00 GMTprogrammingrusthttps://raystanza.uk/posts/gaming-on-linux/https://raystanza.uk/posts/gaming-on-linux/Survey of Linux gaming in 2025: Proton 10 advances, native titles like Warzone 2100 and OpenRCT2, and tools such as Lutris, Heroic, and Bottles turning Linux into a daily driver for gamers. Sat, 02 Aug 2025 11:00:00 GMTgaminglinuxhttps://raystanza.uk/posts/most-complicated-light-switch/https://raystanza.uk/posts/most-complicated-light-switch/An imaginative deep dive into an outrageously over-engineered Rube Goldberg contraption-spanning quantum entanglement, whale migrations, drone swarms, and more-all to accomplish the simple act of flipping a light switch. Sat, 19 Jul 2025 11:00:00 GMTengineeringautomationhumorhttps://raystanza.uk/posts/getting-started-with-terraform/https://raystanza.uk/posts/getting-started-with-terraform/Step-by-step guide to installing and configuring Terraform on Debian-based distros for multi-cloud infrastructure automation. Fri, 13 Jun 2025 11:00:00 GMTdevopsinfrastructure-as-codehttps://raystanza.uk/posts/linux-user-and-file-permissions/https://raystanza.uk/posts/linux-user-and-file-permissions/A guide on Debian user, group, and file permissions: numeric modes, symbolic flags, umasks, and practical examples to secure your Linux filesystem. Wed, 11 Jun 2025 11:00:00 GMTreferencelinuxpermissionshttps://raystanza.uk/posts/install-and-use-pyenv/https://raystanza.uk/posts/install-and-use-pyenv/A guide to installing and using pyenv on Debian/Ubuntu for seamless Python version and virtual environment management, avoiding dependency conflicts. Fri, 25 Apr 2025 11:00:00 GMTdevelopmentlinuxpythonhttps://raystanza.uk/posts/my-linux-cheat-sheet/https://raystanza.uk/posts/my-linux-cheat-sheet/A handy cheat-sheet of essential Debian Linux command snippets for quick reference and system customization. Mon, 17 Feb 2025 12:00:00 GMTcustomizationlinuxhttps://raystanza.uk/posts/kate/https://raystanza.uk/posts/kate/Discover how KATE, the KDE text editor, excels with performance, customizability, and cross-platform support for developers. Sat, 11 Jan 2025 12:00:00 GMTtext editorslinuxkdehttps://raystanza.uk/posts/switch-to-umami/https://raystanza.uk/posts/switch-to-umami/A privacy-first administrator’s guide to self-hosted Umami analytics vs Google Analytics, protecting user data while delivering actionable insights. Thu, 02 Jan 2025 12:00:00 GMTanalyticsprivacyopen sourcehttps://raystanza.uk/posts/centering-a-div/https://raystanza.uk/posts/centering-a-div/Hilariously relatable guide to centering a <div> in CSS using flexbox, CSS Grid, and legacy techniques-so you never lose your sanity. Thu, 26 Dec 2024 12:00:00 GMTguidecsshumorweb developmentfrontendhttps://raystanza.uk/posts/laravel-queue-workers/https://raystanza.uk/posts/laravel-queue-workers/Explore configuring, optimizing, and scaling Laravel queue workers using Redis, Supervisor, and Horizon for robust, efficient asynchronous job processing. Sat, 14 Dec 2024 12:00:00 GMTtutorialsbackendlaravelphpqueueinghttps://raystanza.uk/posts/fork-bombs/https://raystanza.uk/posts/fork-bombs/Discover the fascinating (and dangerous) world of fork-bombs-simple yet powerful recursive scripts that exploit system resources. See how they’re written in Bash, PowerShell, Python, and more. Sat, 07 Dec 2024 12:00:00 GMTtutorialssecuritylinuxwindowsbashpowershellhttps://raystanza.uk/posts/switch-to-cloudflare-certs/https://raystanza.uk/posts/switch-to-cloudflare-certs/Learn how to migrate your SSL/TLS certificates from Let’s Encrypt to Cloudflare, leveraging Cloudflare’s edge network for streamlined issuance and enhanced security. Sat, 09 Nov 2024 12:00:00 GMTtutorialsssltlslets encryptcloudflarehttps://raystanza.uk/posts/switch-to-bun/https://raystanza.uk/posts/switch-to-bun/Before diving into the technical details, learn why you might consider switching from npm to Bun: faster installs, built-in bundling, and a modern JS runtime. Wed, 15 May 2024 11:00:00 GMTtutorialsbunnpmhttps://raystanza.uk/posts/getting-started-with-metamask/https://raystanza.uk/posts/getting-started-with-metamask/Dive into the Ethereum blockchain with this easy-to-follow guide on creating your own crypto address using MetaMask. Learn the steps to set up your wallet and secure your digital valuables. Sun, 21 Apr 2024 11:00:00 GMTtutorialsmetamaskethhttps://raystanza.uk/posts/getting-started-with-monero/https://raystanza.uk/posts/getting-started-with-monero/Step-by-step guide to running a Monero full node wallet locally, ensuring maximum privacy, security, and sovereignty over your XMR funds. Sun, 21 Apr 2024 11:00:00 GMTtutorialsmoneroxmrhttps://raystanza.uk/posts/ed25519-ssh-keys/https://raystanza.uk/posts/ed25519-ssh-keys/Learn how to generate and deploy password-protected Ed25519 SSH keys across Linux, macOS, and Windows for enhanced remote server security and seamless workflow. Sat, 30 Mar 2024 11:00:00 GMTtutorialsssh keyshttps://raystanza.uk/posts/installing-yarn/https://raystanza.uk/posts/installing-yarn/Learn how to install Yarn, the fast and reliable dependency management tool, across Windows, macOS, and Linux. This step-by-step guide ensures a smooth installation process. Sat, 23 Mar 2024 11:00:00 GMTtutorialsyarnhttps://raystanza.uk/posts/installing-postgresql/https://raystanza.uk/posts/installing-postgresql/Unlock the power of PostgreSQL with this cross-platform installation tutorial. Learn to set up this robust, enterprise-grade database management system across Windows, macOS, and Linux with expert precision. Fri, 22 Mar 2024 11:00:00 GMTtutorialspostgresqlhttps://raystanza.uk/posts/full-stack-project-with-nextjs-trpc-prisma-and-postgresql/https://raystanza.uk/posts/full-stack-project-with-nextjs-trpc-prisma-and-postgresql/A step-by-step guide to building scalable, type-safe full-stack applications using Next.js, tRPC for end-to-end type-safe APIs, Prisma ORM for database modeling, and PostgreSQL for reliable data storage. Thu, 21 Mar 2024 11:00:00 GMTtutorialsfullstacknextjstrpcprismapostgresqlhttps://raystanza.uk/posts/metasploit/https://raystanza.uk/posts/metasploit/Explore the fundamentals of ethical hacking and penetration testing with Metasploit: learn to enumerate targets, find vulnerabilities, and execute exploits responsibly. Tue, 19 Mar 2024 11:00:00 GMTguidemetasploithttps://raystanza.uk/posts/wazuh/https://raystanza.uk/posts/wazuh/Navigate the intricacies of Wazuh installation with this definitive guide. Learn to implement robust security monitoring across your IT infrastructure using the powerful, open-source Wazuh platform. Mon, 18 Mar 2024 11:00:00 GMTguidewazuhhttps://raystanza.uk/posts/basic-vim-usage/https://raystanza.uk/posts/basic-vim-usage/Learn the basics of Vim with this guide. Learn key modes, navigation techniques, and editing strategies to transform your text editing workflow. Sun, 17 Mar 2024 11:00:00 GMTguidevimhttps://raystanza.uk/posts/installing-nodejs-using-nvm/https://raystanza.uk/posts/installing-nodejs-using-nvm/Explore a step-by-step tutorial for installing, switching, and optimizing Node.js environments across multiple projects. Thu, 25 Jan 2024 12:00:00 GMTtutorialsnodejsnvmhttps://raystanza.uk/posts/lamp-to-aws/https://raystanza.uk/posts/lamp-to-aws/Explore the strategic mapping of traditional LAMP stack components to AWS services, uncovering powerful cloud migration strategies for scalability, performance, and architectural modernization. Mon, 08 Jan 2024 12:00:00 GMTtutorialslampawshttps://raystanza.uk/posts/update/https://raystanza.uk/posts/update/A quick update to keep this site active. Check out some exciting links to my other web properties, including ClickeR “Game” and Digital Artwork by Jim. Sun, 22 Oct 2023 11:00:00 GMTupdateinfohttps://raystanza.uk/posts/clicker-game/https://raystanza.uk/posts/clicker-game/A quirky, emoji-generating clicker web app where you click “Click Me!” to spawn random emojis, build nonsensical paragraphs, and listen as their descriptions are read aloud-your ultimate annoyance machine. Fri, 13 Jan 2023 12:00:00 GMTprojectslivehttps://raystanza.uk/posts/epoch/https://raystanza.uk/posts/epoch/Hello Wurld! This is the first post marking the start of something great. There can only be one. Thu, 01 Jan 1970 05:00:00 GMThello wurld