Tag
5 posts
git bisect run in a pipeline is one line and almost useless on its own: the work is making an arbitrary historical commit provisionable, buildable and testable — and reading the loop's own exit status honestly.
One repository, several working directories on a single object store. What git worktree shares, what it isolates, the branch mutex, the lifecycle, relative paths, and the submodule limits the manual still calls incomplete.
HAProxy sits in front of your servers, probes each one on a configurable schedule, and pulls failing hosts from the rotation before any user request reaches them. Load balancing across multiple VPS, sticky sessions, ACL routing, stick-table rate limi
PostgreSQL spawns a separate process per connection, burning 5-10 MB of RAM before the first query. pgBouncer multiplexes hundreds of client connections through a small pool of real database connections, cutting RAM usage and preventing PostgreSQL from crawling under heavy concurrent load.
Ubuntu 25.10/26.04 moved to sudo-rs, which echoes a dot per sudo password character by default. Bring back silent entry with Defaults !pwfeedback — the one-line fix.