Writeups by Matt Brown on home automation, networking, and repair.https://mdbrown.deven-ushttps://mdbrown.dev/git_reaphttps://mdbrown.dev/git_reapA small Go tool that finds merged, squash-merged, idle, and agent-abandoned git branches and worktrees, then deletes only the ones you pick with fzf.Thu, 13 Aug 2026 00:00:00 GMThttps://mdbrown.dev/time_machine_sparsebundle_repairhttps://mdbrown.dev/time_machine_sparsebundle_repairTime Machine backups to an SMB NAS failing to attach? A uchg flag left by an interrupted backup can block every repair. How I found and cleared it.Sat, 08 Aug 2026 00:00:00 GMThttps://mdbrown.dev/breville_barista_express_knobhttps://mdbrown.dev/breville_barista_express_knobThe steam and hot water knob on a Breville Barista Express gets stiff over time. A photo guide to pulling it off and lubricating the valve in minutes.Sun, 10 May 2026 00:00:00 GMThttps://mdbrown.dev/lldpd_proxmox_unifihttps://mdbrown.dev/lldpd_proxmox_unifiUnifi's topology map often misses Proxmox hosts, especially on VLAN trunks. Installing lldpd on each host makes the switch ports show up correctly.Wed, 29 Apr 2026 00:00:00 GMThttps://mdbrown.dev/home_assistant_dumb_achttps://mdbrown.dev/home_assistant_dumb_acHow to switch a dumb mini-split on and off from Home Assistant with only an IR blaster and a temperature sensor, using a timer to track the A/C state.Thu, 14 Aug 2025 00:00:00 GMT