Writing · Nº 041065 essays
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Clear filtersEngineeringThe Cost-of-Downtime Math Before You Over-Build DRDo the cost-of-downtime math before you buy redundancy. For most self-hosted apps, a simple restore beats an expensive hot standby you will never need.EngineeringMove a VPS to a New Provider Without DowntimeHow to migrate a self-hosted app from one VPS provider to another with zero downtime: build the new box in parallel, sync data, and cut over DNS cleanly.OperatingDisaster Recovery When You Self-HostA disaster recovery plan for when you self-host: how to rebuild a dead VPS from backups fast, what your real recovery window is, and why owned recovery beats waiting.EngineeringVPS Snapshots Are Not Backups: Know the DifferenceProvider snapshots feel like backups but fail the same disasters your server does. Here is the difference and why self-hosting still needs real offsite backups.EngineeringPostgres Point-in-Time Recovery on Your Own ServerNightly dumps lose a full day. Postgres point-in-time recovery with WAL archiving lets you restore a self-hosted database to the exact second before disaster hit.EngineeringSet RPO and RTO Targets Before You Design DRRPO and RTO decide your entire disaster recovery design. Set both numbers before you buy anything, so you build the recovery your self-hosted apps actually need.EngineeringHow to Own Your Backups When You Self-HostA practical guide to owning your backups when you self-host: what to back up, where to store it, how to test restores, and why the vendor is not doing it for you.EngineeringThe 3-2-1 Backup Rule for Self-Hosted ServersThe 3-2-1 backup rule is not enterprise theater. Here is how to apply three copies, two media, one offsite to a self-hosted VPS without buying a storage vendor.EngineeringTest Your Backups With Restore Drills, Not FaithA backup you have never restored is a guess. Here is how to run restore drills on a schedule so your self-hosted recovery actually works when it counts.