Replace static database credentials with HashiCorp Vault dynamic secrets. Automatic rotation, bounded blast radius, and audit trails. Full production guide.
Compare two-phase commit and sagas for distributed systems. Understand when to use each pattern with practical examples and implementation guidance.
Build a global CDN with Nginx for $10/month. Route traffic to edge nodes by location, cache static content faster, and save vs. Cloudflare Pro.
Master PostgreSQL autovacuum tuning to eliminate table bloat, boost query performance, and prevent transaction ID wraparound in high-write workloads.
Learn SCIM provisioning with Authentik to automatically manage users across self-hosted apps. Covers architecture, working configurations, and failure modes.
Deploy Kafka without ZooKeeper using KRaft mode. Learn cluster sizing, configuration, and JMX metrics integration for production-ready self-hosted Kafka.
Learn self-hosted LLM cost optimization: token economics, prefix caching, KV-cache sizing, and GPU efficiency techniques with real-world numbers.
Discover fan-out patterns for Twitter-scale timelines. Learn write-time vs read-time tradeoffs and hybrid approaches for massive social feeds.
Configure Chrony for sub-millisecond time sync on Linux. How Chrony beats ntpd with adaptive polling, faster convergence, and system clock reliability.
Master MySQL/MariaDB replication with GTIDs: prevent split-brain, monitor lag, and ensure consistent data across your database cluster.
