This book takes you through knowledge essential to a mastery of bash. It is divided into four parts:

1) Core Bash

Core foundational concepts essential for understanding bash on the command line.

Areas covered:

• globbing
• variables
• functions
• pipes and redirects
• scripts and startup

2) Bash Scripting

Gets your bash scripting skills up to scratch.

Covers:

• command substitution
• tests
• loops
• exit codes

3) Tips and techniques

A primer on commonly-used techniques and features that are useful to know about.

Covers:

• the prompts
• here docs
• history
• shortcuts

4) Advanced Bash

Building on the first three chapters, and introducing some more advanced features, this chapters takes your bash skills beyond the norm.

• signals and traps
• debugging
• string manipulation
• a real-world application 

Git need not be stressful.

In four parts, Learn Git the Hard Way takes you from a beginners knowledge to a complete understanding of all the git fundamentals you need to maintain a codebase.

Buying this book entitles you to any future updates.

No longer need you be confused by terms like rebase, merge, branch, and bisect when others discuss them.

It focusses on the practical knowledge needed to get comfortable with using git.

Part I - Core Git

• What source control is
• Creating and cloning repositories
• Branching and merging

Part II - Advanced Local Git

• Stashing
• Interactive addition of content
• The reflog
• Cherry Picking
• Rebasing
• Bisecting

Part III - Remote Repository Management

• Remotes
• Remote branches vs local
• Submodules
• Pull requests
• Tracking

Part IV - Advanced Git

• Git log
• Squashing / advanced rebasing
• Bare Repositores

This book helps you get comfortable with Terraform by going step-by-step from the simplest of Terraform modules to more complex cloud resource creation.

It does this by taking you from the very simplest Terraform modules to advanced remote management so that you understand each piece of the puzzle.

By the end you'll be able to advise people on how to get the most out of Terrraform, understanding not only the terminology and the practical details, but also some of the gotchas and operational challenges that Terraform brings.

Part I - Local Basics

• Resources
• Planning
• State Files
• Data Sources
• Output
• Destruction

Part II - Remote Terraform

• Terraform Providers
• Dependency Management
• Graphing Resources
• Importing Resources

Part III - In Progress

Part IV - In Progress