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by Jennifer Davis
Modern System Administration
Introduction
Collaboration with Development and Testing
Configuration and Deployment
Scaling Production Operations
A Role by any Other Name
DevOps
Site Reliability Engineering (SRE)
How do Devops and SRE Differ?
System Administrator
Finding Your Next Opportunity
Wrapping Up
1. Version Control
Fundamentals of Git
Branching
Working with Remote Git Repositories
Resolving Conflicts
Fixing Your Local Repository
Advancing Collaboration with Version Control
Wrapping Up
2. Local Development Environments
Choosing an Editor
Minimizing required mouse usage
Integrated Static Code Analysis
Easing editing through auto completion
Indenting code to match team conventions
Collaborating while editing
Integrating workflow with git
Extending the development environment
Selecting Languages to Install
Installing and Configuring Applications
Wrapping Up
3. Fundamentals of Server Virtualization and Containers
Server Virtualization
Containers
Defining Container
Comparing Virtualization to Containerization
Wrapping Up
4. Principles of Testing
Why should Sysadmins Write Tests?
Differentiating the Types of Testing
Linting
Unit Tests
Integration Tests
End-to-End Tests
Examining the Shape of Testing Strategy
Existing Sysadmin Testing Activities
Wrapping Up
5. Testing in Practice
Writing Unit Tests for Infracode
Examining Chef Terminology
Writing Unit Tests with Chefspec
Writing Unit Tests for Datadog Install Recipe
Writing Integration Tests for Infracode
Writing Integration Tests for Datadog Install Recipe
Linting Chef Code with Rubocop and Foodcritic
Wrapping Up
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