Git and Github Configuration 2.txt

SSH Configuration for Git

Youtube video with clear instructions and demo: https://www.youtube.com/watch?v=8X4u9sca3Io&t=318s

1) Navigate to your home directory using bash.
	cd ~

2) generate a new SSH key pair
	ssh-keygen -t rsa -b 4096 -C "davidkeck2014@gmail.com"
	// file names created: nbty_git_rsa (for private key) and nbty_git_rsa.pub (for public keys)

3) Press Enter to accept the default file location (~/.ssh/id_rsa) and provide a secure passphrase when prompted. 
	// passphrase is optional but recommended

4 ) Start the ssh-agent in the background.
	eval "$(ssh-agent -s)"

5) Add your SSH private key to the ssh-agent.
	ssh-add ~/.ssh/id_rsa

6) Ensure that your SSH key files have the correct permissions.
	chmod 700 ~/.ssh
		There is no general requirement to keep the entire contents of this directory secret, 
		but the recommended permissions are read/write/execute for the user, and not accessible by others.
	chmod 644 ~/.ssh/*.pub
		Contains the public key for authentication. 
		This file is not sensitive and can (but need not) be readable by anyone.
	chmod 600 ~/.ssh/id_rsa
		This file contains sensitive data (private keys) and should be readable by the user 
		but not accessible by others (read/write/execute)

7) Copy the SSH public key to your clipboard from ~/.ssh/id_rsa.pub

8) Visit your GitHub SSH and GPG keys settings page.

9) Click on the "New SSH key" or "Add SSH key" button.

10) Provide a title for the new SSH key, and paste your public key into the "Key" field.

11) Click "Add SSH key" to save.

12) Test your SSH connection to GitHub.
	ssh -vT git@github.com

13) Clone repository from GitHub using SSH (from bash command line)
	Get to a bash comand line and navigate to the directory where you want to clone the repository,
	usually your home directory.
	In this case the repository is called IBMi and is located in the smartrocks account on GitHub.
	The local folder will be called IBMi and will be created under the home directory. 
	git clone git@github.com:smartrocks/IBMi.git

## Setup Complete



## Old Notes

touch config   // to create config file

add following to config file
	Host *
		AddKeystoAgent
		IdentityFile ~/.ssh/id_rsa   (substitute your private key file name)

Add your public key to the github repository.
	ssh-add ~/.ssh/id_rsa

The ssh-add command prompts the user for a private key password and 
adds it to the list maintained by ssh-agent . Once you add a password 
to ssh-agent , you will not be prompted for it when using SSH or scp 
to connect to hosts with your public key.

$ ssh -T git@github.com
The authenticity of host 'github.com (140.82.114.4)' can't be established.
ED25519 key fingerprint is SHA256:+DiY3wvvV6TuJJhbpZisF/zLDA0zPMSvHdkr4UvCOqU.
This key is not known by any other names.
Are you sure you want to continue connecting (yes/no/[fingerprint])? yes
Warning: Permanently added 'github.com' (ED25519) to the list of known hosts.
Hi smartrocks! You've successfully authenticated, but GitHub does not provide shell access.


git remote -v		// to list the origins for push and fetch 

chmod 700 ~/.ssh
chmod 600 ~/.ssh/*


Other Git NOTES
---------------
-bash-5.1$ git config --global user.email "davidkeck2014@gmail.com"
-bash-5.1$ git config --global user.name "David Keck"
-bash-5.1$ git config --global user.name "smartrocks"
-bash-5.1$ git remote add origin git@github.com:smartrocks/IBMi.git


git rev-parse --abbrev-ref HEAD
git push --set-upstream origin main
git clone https://github.com/smartrocks/IBMi.git  <-- use ssh instead
git config --list
git add --all
git status

ssh-keygen -t ed25519 -C davidkeck2014@gmail.com
eval "$(shh-agent -s)"


Show history of repository branches and merges etc. in a somewhat graphical form.
	git log --oneline --graph --all --decorate

Remove a file from both the local and remote repository
	rm ~/myfolder/myfile.txt      	// note that Linux IS case sensitive
	git add -u 						// tells git that deleted files are to be staged
	git commit -m "some comment"
	git push