This document provides instructions for installing and configuring authentication for Git. It outlines how to install Git on Linux, OS X, and Windows operating systems. It also describes how to generate SSH keys for authentication on Linux, OS X, and Windows. Finally, it explains how to set up the SSH configuration file and test the key connection.

1. Git
Sitdhibong Laokok<sitdhibong@gmail.com>

2. /ɡɪt/
—Linus Trovalds

3. Installation

4. Linux
• Debian/Ubuntu
$ apt-get install git
• Fedora
$ yum install git
• FreeBSD
$ cd /usr/ports/devel/git && make install

5. OS X
$ ruby -e "$(curl -fsSL https://
raw.githubusercontent.com/Homebrew/install/
master/install)”
$ brew install git && brew link git

6. Windows ?

25. Authentication
Command alert (Optional)

26. Key generation

27. Linux & OS X
$ mkdir ~/.ssh || cd ~/.ssh
$ ssh-keygen [-b x1024] [-C “Some comment”]
[-f file_name]

28. Windows
เปิดหน้าต่าง Command Prompt ตามด้วยคำสั่ง
$ setx HOME “%userprofile%”
$ setx GIT_HOME “c:Program FilesGit”
$ setx PATH “%PATH%;%GIT_HOME%usrbin”
ปิดหน้าต่าง Command Prompt

29. Windows
เปิดหน้าหน้า Command prompt ใหม่อีกครั้ง
$ cd %HOME%
$ mkdir .ssh && cd .ssh
$ ssh-keygen [-b x1024] [-C “Some comment”]
[-f file_name]

30. Key setup

31. Configuration file
$ vim ~/.ssh/config
Host 203.185.132.59
HostName 203.185.132.59
User (Your_User_Name)
IdentityFile (file_name)

32. Test key
$ ssh -T git@203.185.132.59
The authenticity of …..
… . . (yes/no)
Welcome to GitLab, <Your_real_name>!