This site is primarily documentation for things I’ve built and broken. If it helps you too, great!https://existentia.net/enhttps://existentia.net/blog/hetzner-vps-backup-restic-tailscale/https://existentia.net/blog/hetzner-vps-backup-restic-tailscale/How I set up encrypted, incremental, automated backups from a Hetzner VPS to a home Synology NAS using Restic over SFTP, with Tailscale handling the private networking — including the SSH authorised keys rabbit hole.Sat, 16 May 2026 00:00:00 GMThttps://existentia.net/blog/browser-remote-desktop-guacamole/https://existentia.net/blog/browser-remote-desktop-guacamole/How I built a secure, browser-based remote desktop into my home lab using Apache Guacamole, Hyper-V, and Cloudflare Tunnel — accessible from a locked-down work laptop with nothing to install.Sun, 10 May 2026 00:00:00 GMThttps://existentia.net/blog/sonos-across-vlans-udm-pro/https://existentia.net/blog/sonos-across-vlans-udm-pro/A GUI-only walkthrough of running Sonos on a dedicated Media Devices VLAN with a UDM Pro — the mDNS proxy, firewall rules, and port groups that make the Sonos app actually stay connected to players sitting on a different network.Sat, 25 Apr 2026 00:00:00 GMThttps://existentia.net/blog/home-server-rebuild-2026/https://existentia.net/blog/home-server-rebuild-2026/My current Hyper-V server is working fine — but the platform is aging out. Here's why I'm rebuilding it, what I'm building, and why the NVIDIA L4 changes what's possible at home.Sat, 11 Apr 2026 00:00:00 GMT