Notes from the Lab — homelab, self-hosting, AI agents.https://vugas.de/en-gbhttps://vugas.de/en/blog/youtube-aussetzer-browser-extension/https://vugas.de/en/blog/youtube-aussetzer-browser-extension/The YouTube dropouts were back. I built my own network monitoring for my desktop to catch them — and in the end the cause was somewhere else entirely.Wed, 14 Oct 2026 00:00:00 GMThomelabtroubleshootingwindowspowershellnetworkinghttps://vugas.de/en/blog/ki-setup-drei-anlaeufe/https://vugas.de/en/blog/ki-setup-drei-anlaeufe/First a dashboard with twelve modules and an AI boss, then three Claude Code installations sharing their knowledge, now one central host. Two dead ends and what finally worked.Sat, 03 Oct 2026 00:00:00 GMTclaude-codekiobsidianproxmoxarchitekturhomelabhttps://vugas.de/en/blog/google-oauth-token-sieben-tage/https://vugas.de/en/blog/google-oauth-token-sieben-tage/A Google OAuth client in “Testing” mode loses its tokens after a week. How that caught me twice, and why my website now has a privacy policy for my own backup app.Sun, 27 Sep 2026 00:00:00 GMTstolpersteingoogle-driverclonebackuphomelabhttps://vugas.de/en/blog/proxmox-startreihenfolge-dns/https://vugas.de/en/blog/proxmox-startreihenfolge-dns/A kernel update, a reboot of the Proxmox host, and all my services were gone from the outside, even though every container was running. The culprit was the order in which they started.Thu, 24 Sep 2026 00:00:00 GMTstolpersteinproxmoxtraefikpangolindnshomelabhttps://vugas.de/en/blog/stundenplan-app-ein-abruf-statt-dreissig/https://vugas.de/en/blog/stundenplan-app-ein-abruf-statt-dreissig/My app fetched the same class timetable separately for every user. Rebuilding it around one fetch per class taught me more about verification than about architecture.Sun, 13 Sep 2026 00:00:00 GMTflaskpythonwebuntisdatenschutzpwahomelabhttps://vugas.de/en/blog/ki-trading-experiment/https://vugas.de/en/blog/ki-trading-experiment/Everywhere you look, a chatbot plus two tools supposedly turns you into a trader. I wanted to know whether that's even feasible, and measured it honestly: with play money, backtests and an agent I trained myself. The result is clear.Sun, 16 Aug 2026 00:00:00 GMTkipythontradingreinforcement-learningbacktestinghttps://vugas.de/en/blog/jellyfin-update-reverse-proxy/https://vugas.de/en/blog/jellyfin-update-reverse-proxy/In the browser, Jellyfin worked perfectly; the apps on phone and tablet failed when away from home. An update had reset two settings behind the reverse proxy, and Jellyfin gave the apps its internal address.Thu, 09 Jul 2026 00:00:00 GMTstolpersteinjellyfinreverse-proxyhomelabhttps://vugas.de/en/blog/homelab-sso-pangolin-authentik/https://vugas.de/en/blog/homelab-sso-pangolin-authentik/How I replaced two reverse proxies and someone else's server with a single self-hosted edge with central single sign-on — including a Postgres bug in the installer, a self-inflicted network-wide DNS outage and an API that officially wasn't even running.Wed, 08 Jul 2026 00:00:00 GMThomelabpangolinauthentikssotraefikreverse-proxyhttps://vugas.de/en/blog/youtube-aussetzer-adguard/https://vugas.de/en/blog/youtube-aussetzer-adguard/A DNS detective story from my homelab — how a well-meant AdGuard rule broke my YouTube playback and why an nslookup almost led me astray.Mon, 22 Jun 2026 00:00:00 GMThomelabadguarddnsipv6troubleshootinghttps://vugas.de/en/blog/modpack-coe-erz-progression/https://vugas.de/en/blog/modpack-coe-erz-progression/How I rebuilt all ore extraction in my Minecraft modpack around Create Ore Excavation — tier gating, veins, fluid boost — and fought my way through Rhino traps, wrong mod IDs and four mod API breaks along the way.Fri, 19 Jun 2026 00:00:00 GMTminecraftmoddingkubejscreatedebugginghttps://vugas.de/en/blog/ccna-lernplattform-deployment/https://vugas.de/en/blog/ccna-lernplattform-deployment/How I deployed my self-built Next.js learning platform as an LXC on Proxmox — and why the login still didn't work at first.Fri, 12 Jun 2026 00:00:00 GMThomelabproxmoxnextjsdeploymentdebugginghttps://vugas.de/en/blog/jellyfin-nvenc-secure-boot/https://vugas.de/en/blog/jellyfin-nvenc-secure-boot/How I passed an old GTX 1050 through Proxmox, LXC and Docker all the way to Jellyfin — and why Secure Boot and a CPU without an iGPU turned it into an adventure.Thu, 11 Jun 2026 00:00:00 GMTjellyfinproxmoxnvidialxchomelabhttps://vugas.de/en/blog/nvidia-secure-boot-proxmox/https://vugas.de/en/blog/nvidia-secure-boot-proxmox/All I wanted was to set up the GPU for Jellyfin transcoding. In the end there were four pitfalls at once: a kernel that rejects the module, a DKMS that doesn’t sign, a password hash mokutil doesn’t understand, and a screen that waits ten seconds.Thu, 11 Jun 2026 00:00:00 GMTstolpersteinproxmoxnvidiasecure-boothomelabhttps://vugas.de/en/blog/firefly-iii-import-odyssee/https://vugas.de/en/blog/firefly-iii-import-odyssee/How I set up Firefly III for tracking my finances and why "import a CSV" turned into an hours-long debugging thriller about IBANs, 504 timeouts and an O(n) balance calculation.Fri, 05 Jun 2026 00:00:00 GMTfirefly-iiiself-hostedproxmoxdockerdebugginghomelabhttps://vugas.de/en/blog/firewall-audit-zero-trust/https://vugas.de/en/blog/firewall-audit-zero-trust/A complete audit of my OPNsense zero-trust rules via the API. How a supposedly critical DNS bug turned out to be a display artifact — and why you always have to cross-check firewall rules in the live kernel.Thu, 04 Jun 2026 00:00:00 GMTopnsensehomelabsecurityfirewalldnshttps://vugas.de/en/blog/homelab-doku-zentralisieren/https://vugas.de/en/blog/homelab-doku-zentralisieren/How I split my homelab monorepo into separate projects, bundled the documentation into its own repo and gave every project real context — including a plaintext password that almost slipped through during the migration.Thu, 04 Jun 2026 00:00:00 GMThomelabdokumentationclaude-codeautomationsecurityhttps://vugas.de/en/blog/paperless-rag/https://vugas.de/en/blog/paperless-rag/Making documents searchable with OCR is a solved problem. It gets interesting when you can question them with a local RAG chatbot and let an LLM assign the metadata.Tue, 26 May 2026 00:00:00 GMTpaperlessocrragaiself-hostinghttps://vugas.de/en/blog/adguard-rate-limit-pro-subnetz/https://vugas.de/en/blog/adguard-rate-limit-pro-subnetz/I wanted to harden my DNS server against abuse and ended up giving every device on a network one shared bucket of 30 queries per second. The result: Wi-Fi yes, internet no.Thu, 21 May 2026 00:00:00 GMTstolpersteinadguarddnshomelabhttps://vugas.de/en/blog/minecraft-modpack-ki/https://vugas.de/en/blog/minecraft-modpack-ki/How I'm building a Create-centric kitchen-sink modpack for NeoForge 1.21.1 — custom items and fluids via KubeJS, 58 quests and an AI-assisted workflow against API madness.Sat, 16 May 2026 00:00:00 GMTminecraftneoforgekubejsmoddingaihttps://vugas.de/en/blog/vaultwarden-self-hosted/https://vugas.de/en/blog/vaultwarden-self-hosted/Vaultwarden instead of a cloud password manager — with a reverse proxy, fail2ban and encrypted restic backups. And why I threw the tunnel container back out.Sat, 25 Apr 2026 00:00:00 GMTvaultwardensecuritydockerbackupself-hostinghttps://vugas.de/en/blog/servarr-setup/https://vugas.de/en/blog/servarr-setup/Jellyfin + *arr automation as a self-hosted media server — setup, structure and learnings.Tue, 14 Apr 2026 00:00:00 GMTjellyfinservarrdockerhomelabhttps://vugas.de/en/blog/netzwerk-upgrade/https://vugas.de/en/blog/netzwerk-upgrade/Why I freed my homelab from the ISP router, switched to OPNsense and split it into VLANs — and what went wrong along the way.Sun, 15 Mar 2026 00:00:00 GMTopnsensevlanproxmoxhomelabnetworking