Shell Operations Development and Automation: Course Outline and Key Topics

Chapter 1: Introduction to Shell Operations Development – Describes the core knowledge graph and learning path for operations developers, emphasizing the importance of shell scripting as a foundational skill, the challenges of large‑scale clusters, and career prospects.

Chapter 2: SSH Protocol for Multi‑Host Management – Explains basic SSH usage, both password‑less and password‑protected scenarios, provides script examples for non‑password and password‑less environments, compares their advantages, and includes a complete production‑grade cluster initialization script (three parts) along with result‑handling techniques.

Chapter 3: One‑Click Deployment of Distributed Applications via SSH – Uses Kafka as a case study to guide readers from zero to full installation, configuration, and service start‑up, covering manual Zookeeper and Kafka cluster setup, script frameworks, command encapsulation, log management, firewall/SELinux disabling, file transfer utilities, Java/Scala environment setup, and extensive Kafka deployment scripts.

Chapter 4: Multi‑Host Service Start/Stop Scripts – Develops a one‑click script to start, stop, and monitor Kafka services across a cluster, then generalizes the script for other services such as Zookeeper and Nginx, including best‑practice summaries for status‑checking functions.

Chapter 5: Core Usage of Ansible for Automation – Introduces Ansible fundamentals, installation, inventory management, password‑less key handling, execution flow, directory structure, configuration precedence, command syntax, and core modules (command, shell, copy, file, lineinfile, yum, service), with tips for efficient file copying.

The article concludes with a call for reader support and engagement.