https://archworks.co/tags/high-availability/enSun, 22 Mar 2026 00:00:00 +0000https://archworks.co/docs/keepalived/Sun, 22 Mar 2026 00:00:00 +0000https://archworks.co/docs/keepalived/Configure Keepalived for high availability on Linux using VRRP and health checks, covering installation, MASTER/BACKUP setup, priorities, IPv6/VRRPv3, notification scripts, and diagnostics.https://archworks.co/docs/postgresql/Sun, 22 Mar 2026 00:00:00 +0000https://archworks.co/docs/postgresql/Setup and operation of a Patroni-managed PostgreSQL 17 cluster with etcd consensus and PgBouncer connection pooling, covering SSL, performance tuning, WAL archiving, PITR, and logical replication.