Chapter 5
Automation and Scripting

THE FOLLOWING COMPTIA LINUX+ EXAM OBJECTIVES ARE COVERED IN THIS CHAPTER:

•   5.1 Given a scenario, deploy and execute bash scripts
  • Shell environments and shell variables
    • PATH
    • Global
    • Local
    • export
    • env
    • set
    • printenv
    • echo
  • #!/bin/bash
  • Sourcing scripts
  • Directory and file permissions
    • chmod
  • Extensions
  • Commenting
    • #
  • File globbing
  • Shell expansions
    • ${}
    • $()
    • ``
  • Redirection and piping
  • Exit codes
    • stderr
    • stdin
    • stdout
  • Metacharacters
  • Positional parameters
  • Looping constructs
    • while
    • for
    • until
  • Conditional statements
    • if
    • case
  • Escaping characters
•   5.2 Given a scenario, carry out version control using Git
  • Arguments
    • clone
    • push
    • pull
    • commit
    • merge
    • branch
    • log
    • init
    • config
  • Files:
    • .gitignore
    • .git/
•   5.3 Summarize orchestration processes and concepts
  • Agent
  • Agentless
  • Procedures
  • Attributes
  • Infrastructure automation
  • Infrastructure as code
  • Inventory
  • Automated configuration management
  • Build automation

1. You are writing a shell script...