No Sound on Linux? Troubleshoot PipeWire, WirePlumber, ALSA & Bluetooth
From wpctl connection errors to missing S/PDIF beginnings: find the right diagnostic layer, understand the evidence and make only justified changes.
Read the analysisGuides from my own projects
Understand Linux, build your own desktop and use local tools deliberately. Tutorials based on my configurations and projects, with small examples, checkable steps and clear information about your data.
52 topics · Every article in German and English
Linux updates, security advisories, documented troubleshooting and tested workarounds. Firsthand measurements, primary sources and a clear distinction between confirmed evidence and open questions.
From wpctl connection errors to missing S/PDIF beginnings: find the right diagnostic layer, understand the evidence and make only justified changes.
Read the analysisFive nginx CVEs, Debian's patched package and a real server audit: my Worldnode logs show unattended-upgrades installed the fix automatically.
Read the analysis27 October: A −500 MHz GPU clock offset brings successful Qwen3-TTS, Arma and S.T.A.L.K.E.R. 2 retests. Real Blackbox clocks and a step-by-step separate OverDrive UKI guide.
Read the articleWhy purging an old OpenSSH variant can remove the new variant’s configuration. Verified package versions, a preventive workaround and careful recovery guidance.
Read the articleStart with Arch Linux + dwm, Cthulhu Dragon on NixOS, the Gruvnode laptop build or individual desktop components.
From a bare Arch install through Btrfs, systemd-boot, dwm, Kitty and AMD Vulkan to Steam and real OBS Vulkan game capture.
Build the desktopTwo installation routes, one reproducible desktop: the real files behind Cthulhu, with mouse-driven tiling, a managed startx session and a complete Kanagawa Dragon configuration library.
Build the desktopMy easy-going laptop setup: what the X1 installer provisions, why the T480 remains historical and how the desktop components fit together.
Read the articleHaskell need not be a barrier: understand layouts, keybindings and hooks through a short, real configuration.
Read the articleUnderstand your Wayland desktop: Super and the terminal, two monitors, window rules and a checked configuration reload.
Read the articleA clock, volume and a small CPU display: preview your own bar and understand how content differs from styling.
Read the articleRead the small Kitty file from my X1 profile and try fonts, colours and transparency in a separate terminal window.
Read the articleLaunch apps from the keyboard and understand drun, run, Rasi settings and the colours of my Gruvnode launcher.
Read the articleWhy Kitty needs an X11 compositor for transparency and how to test my small Picom profile one change at a time.
Read the articleRead my dunstrc and test notification position, colours, urgency and a custom rule for exercise messages.
Read the articleAn image logo, borders and useful computer details: understand my Cthulhu setup and start with a small configuration of your own.
Read the articleTry fish through small exercises and understand the separate roles of your terminal, login shell and Bash scripts.
Read the articleRead NixOS configuration, select generations, narrow down logs and understand drives. Backups preserve data a configuration switch alone cannot restore.
Read a real system file step by step: understand packages, services and hardware, then check one small change.
Read the articleUnderstand what a NixOS rollback restores, how boot entries relate to the system profile and why your files need separate backups.
Read the articleFind the relevant log excerpt instead of thousands of lines: boot, time, service and your own test message explained step by step.
Read the articleSeparate devices, filesystems and mountpoints, then understand my Games/Homelab entries without blindly copying another machine's paths.
Read the articleWhat saved configuration can restore, and which data, dependencies and recovery steps you still need to include.
Read the articleTry Linux in a VM, connect to a server with SSH and understand Git updates. Gaming and Wine prefixes explain the roles of your game tools.
Understand KVM, QEMU and virt-manager, then try Linux on a virtual disk before changing a physical computer.
Read the articleConnect to your own server: understand a key pair, passphrase, server verification and a readable worldnode alias example.
Read the articleMy worldnode update as a real example: why --ff-only failed and how a rebase preserved the local dashboard change.
Read the articleWhich program does what? Understand the gaming stack and test one change rather than installing every component together.
Read the articleWhy two games can use different prefixes and how to create a small Wine test environment beside your existing games.
Read the articleFrom early computers to process instrumentation: sources, understandable engineering and interactive exhibits.
What computer was used in WarGames? Explore the IMSAI 8080, Intel 8080 instructions, binary switches and my interactive museum reconstruction.
Read the articleHow did Apollo 11's guidance computer work? Understand AGC specifications, DSKY, Luminary 099 and the 1201/1202 alarms, then try my lunar landing model.
Read the articleWas the UNIX system in Jurassic Park real? Explore SGI Crimson and Indigo hardware, IRIX, the real fsn file browser and my interactive museum reconstruction.
Read the articleIBM’s 2026 dual-ISA processor announcement explained: eleven cores, native IBM Z and Arm support, teaching instructions and an interactive architecture lab.
Read the articleFrom Quake and Nine Inch Nails to my Windows 95 handbook and a 128 GB Ventoy stick: a personal history of storage media, with an interactive museum lab.
Read the articleUnderstand Chernobyl Unit 4, RBMK reactor physics, the SKALA process computer and AZ-5 through sourced history and an interactive museum reconstruction.
Read the articleDOOM on a Cisco phone, a native kernel and local explainer-video production: learn the foundations through real projects and their documented limits.
How 448, 666 or 1337 mirrors form your light message, with clean GIF export directly in your browser.
Read the articleFrom a pixel in memory to a physical phone key: understand the native DOOM port and why a framebuffer is more than an image format.
Read the articleWhat must happen after the bootloader: read BoringKernel's entry point and understand memory, system calls and the path to a desktop.
Read the articleFrom source material to an understandable video: evidence, storyboards, local narration and FFmpeg in the Source2Reel workflow.
Read the articleConvert images, plan a Linux migration, inspect connections and solve specific driver, audio and file-handling problems.
Choose a suitable image format, resize files and understand transparency, metadata and browser encoding support.
Read the articleCheck your applications, games, devices and data before deciding how Linux fits into everyday work.
Read the articleUnderstand which applications and Windows services open connections. A guide to ETW, DNS correlation and locally saved captures.
Read the articleA clear APT workflow for Debian 12 and 13: install the driver, choose CUDA deliberately and understand kernel headers and Secure Boot.
Read the articleWhen the first sound after a pause disappears: distinguish wake-up delay from continuous latency and test a local keepalive.
Read the articleA local interface for deleting files and folders. Understand HDD overwriting, SSD TRIM and how file deletion differs from device sanitization.
Read the articleFrom a first website request to Tor and real password searches: understand data paths, security boundaries and local browser experiments.
Real browser-based recovery for supported encrypted archives and PDFs, with CPU, optional WebGPU/Hybrid and independently verified downloads—no file uploads.
Read the articleExplore real browser password searches with CPU, WebGPU and Hybrid mode. Understand dictionaries, brute force, measured estimates, Argon2id, MFA and passkeys.
Read the articleFollow a website request from URL and DNS to TCP or QUIC, HTTPS, HTTP and rendering. Explore every step in a privacy-friendly, interactive packet journey.
Read the articleUnderstand the darknet, deep web and Tor: onion routing, rendezvous, SecureDrop, Bitcoin and anonymity limits, with an accessible network illustration.
Read the articleFirsthand technical stories: hosting NEBUVERSE, Nebucoin, Cthulhu’s Linux journey and the history behind my nickname.
Jane’s AH-64D Longbow in 2026: my original German big box, pristine manual, Pentium III 500, SCSI, Windows 98, 97 MB install and real DOS troubleshooting.
Read the articleAn author-finder prompt appears in my Google Search Console — alongside Linux and SGI searches. A curious SEO story, a computer museum and zero clicks.
Read the articleWhy I put GoToSocial on Worldnode: Debian 13, SQLite, nginx, WebFinger, relays, measured RAM and a Restic backup tested for recovery.
Read the articleFrom OS/2 and SGI through Linux Mint and Gentoo to NixOS: original photographs, memories and an interactive timeline.
Read the articleFrom a Moonlander 2 to a Litecoin-based private coin: my 2018–2019 Nebucoin experiment with NOMP, a Qt wallet, staking and an interactive blockchain lab.
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From my WoW warlock Nebukatneza through KTM and Kdenlive to nebu@cthulhu and NEBUVERSE: the personal story behind my longtime online name.
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