

- authoritative DNS for my domain
- email (Postfix, Dovecot, rspamd)
- endlessh
- Matrix chat and video conferencing (nginx, Synapse, MAS, Livekit, coturn, Postgres)
- Prosody elsewhere for failover if international links go down
- Nextcloud
- offsite backups for important data, not the whole OS (rsync)
- QR scanner on a webpage, for transferring complex passwords locally
- Syncthing
- Offsite monitoring (Prometheus, Grafana, AlertManager) - amusingly, on an old ex-Android phone running PostmarketOS (a variant of Alpine). Eats less than a watt of power.
- Wireguard to hook up the monitoring with minimum fuss






