Backend Development Fundamentals: Processes, Socket Programming, Nginx FASTCGI, Byte Order, and Redis Basics

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This course deeply analyzes the fundamental concepts and principles of processes and their critical role in program execution, thoroughly explains the underlying mechanisms of Socket communication including the TCP/IP protocol stack and the Socket API, and examines how Nginx efficiently communicates with backend applications such as PHP‑FPM via FASTCGI , highlighting Nginx 's core position in web servers.

The curriculum also covers the conversion principles between host byte order and network byte order, helping learners understand data transformation during network transmission, and introduces the basics of Redis , its core data structures, common commands, and its advantages in caching and data storage.

The course is intended for backend developers, system administrators, network engineers, and anyone interested in backend technologies, aiming to comprehensively enhance skills and knowledge in backend development.

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Chapter 1

Section 1: View Nginx transmitting FASTCGI‑formatted data

Section 2: Socket and little‑endian/big‑endian memory data storage

Section 3: Host byte order and network byte order conversion and socket transmission considerations

Section 4: Redis basic usage and communication protocol implementation

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