Latest Blog Posts

Too many production servers run with no real backup, only the belief that nothing will go wrong. rsync and cron give you dated, incremental, offsite snapshots that actually restore, in one script, plus the sharp edges a copy-paste tutorial leaves out: --delete, the retention find bug, and --link-dest.

A recommender flagged one VM: 7.5 GB of RAM, using 2.5, one click saved $12.59 a month. Multiply that across a fleet and you have FinOps. The GCP cost-optimization strategies that actually move the bill: visibility, committed discounts, right-sizing, storage tiering, and the governance that stops it creeping back.

A user is eight steps into a checkout form, hits refresh, and loses everything. In a Next.js app on Docker Compose sharing one Redis, localStorage does not hold. The design that keeps form state alive across refreshes and tabs, and the race condition that was the real work: Redis as source of truth, Pub/Sub as the fast path, local storage as the floor.