A homelab operator documents their Spring 2026 self-hosted infrastructure update, covering Debian 12 to Trixie (13) upgrades across Proxmox VMs and DietPi Raspberry Pis, a Proxmox 8-to-9 upgrade (including a risky live upgrade of the host running a virtualized OPNsense router), and an OPNsense 26.1 migration that broke DHCP leases for hard-coded smart lightbulbs — requiring physical bulb removal to identify MAC addresses and assign static IPs.
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