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Cake day: June 4th, 2025

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  • Make sure to avoid miscounting disk buffers. That’s kernel-owned memory that might eat a ton of RAM, but

    1. It gets freed instantly when your apps need more memory
    2. Until then, it increases your overall system performance by avoiding the need to read from storage (making it somewhere around 10ish times faster).






  • dihutenosa@piefed.socialtoSelfhosted@lemmy.worldHomelab discussion
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    2 months ago
    • 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