Git Installation & Setup#

Step-by-step guide to installing Git on different operating systems and initial configuration steps.

Learning Objectives#

• Install Git on your specific operating system with recommended settings
• Configure Git with best practices for identity, editor, and default settings
• Understand important Git configuration options and their impact
• Learn to verify your installation and troubleshoot common setup issues
• Set up Git for efficient workflow with helpful aliases and tools

Before You Begin#

Before installing Git, let's ensure you have everything needed for a smooth setup process. This guide covers all major platforms and will help you make the right choices for your development environment.

System Requirements#

Minimum Requirements#

256MB RAM (1GB+ recommended)

                  1GB disk space for Git and repositories

                  Terminal/Command Line access

Supported Platforms#

                  Windows 7 SP1 and later

                  macOS 10.13 and later

                  Linux (all major distributions)

Installation Guide#

          Choose your operating system below for detailed installation instructions. Each guide
          includes recommended settings and post-installation steps.

Windows Installation#

Step-by-Step Instructions#

                Download: Visit

                  git-scm.com/download/win

                and download the latest version

                Install: Run the installer with these
                recommended settings:

                    Git Bash and Git GUI

                    Git from the command line

                    Use VS Code as default editor

                    Let Git decide default branch name

                    Git Credential Manager

                Verify: Open Command Prompt or Git Bash and
                type:

git --version

Important Notes for Windows Users#

                •
                Enable symbolic links if you plan to use them

                •
                Choose "Checkout as-is, commit Unix-style" for line endings

                •
                Install Git Credential Manager for secure authentication

macOS Installation#

Installation Options#

                    Option 1: Homebrew (Recommended)

                    Option 2: Xcode Command Line Tools

xcode-select --install

                    Option 3: Binary Installer

                    Download from

                      git-scm.com/download/mac

Post-Installation Setup#

Linux Installation#

Distribution-Specific Commands#

                    Debian/Ubuntu

                  Fedora

sudo dnf install git

                    Arch Linux

sudo pacman -S git

Additional Setup for Linux#

                  Consider installing gitk for GUI visualization

                  Set up credential storage with libsecret

                  Configure SSH keys for remote repositories

Essential Configuration#

          After installing Git, you'll need to configure it with your identity and preferences.
          These settings will be used for all your Git operations.

Basic Configuration#

The --global flag sets these configurations for all repositories on your system.

Advanced Settings#

These settings help ensure consistent behavior across different systems.

Recommended Aliases#

Verifying Your Setup#

Let's make sure everything is configured correctly by running some verification commands.

Check Installation#

Verify Configuration#

Troubleshooting Common Issues#

Installation Issues#

'git' is not recognized#

Add Git to your system's PATH variable or reinstall Git selecting the appropriate PATH option.

Permission denied#

Run the installation with administrator/sudo privileges.

Configuration Issues#

Unable to set config#

Check file permissions in your home directory and ensure .gitconfig is writable.

SSL certificate problems#

Update your Git installation or configure Git to use your system's certificates.

Ready to Start?#

Now that you have Git installed and configured, you're ready to learn about Git's fundamental concepts:

Working Directory#

              Where you'll modify your files

Staging Area#

              Where you'll organize your changes

Git Repository#

              Where your project's history lives