Nginx (pronounced "engine-x") is a high-performance web server, reverse proxy, load balancer, and HTTP cache used by over 34% of the world's busiest websites. This complete handbook covers Nginx installation, configuration, virtual hosts, reverse proxying, SSL/TLS, load balancing, and performance tuning.
Redis is an open-source, in-memory data structure store used as a database, cache, message broker, and queue. This guide teaches you Redis from the ground up — covering data types, core commands, persistence, pub/sub, and practical use cases like caching and session management.