Simple lab for Git and GITHUB

1. create a local repository

For mac, open the terminal window, navigate to that folder
enter git init, to create folder .git for git
All the git stuffs are in folder .git
enter git add . to copy all working area to stage index area
git can be for a very strict operation, it uses 3 tree architecture.
git commit m "git init for app4jwt 10/04/2017
It copy them from staging to local repository, and start tracking any changes.
enter git log to verify the commit

2. create a remote repository

Open a browser, navigate to https://github.com
login my account with username, and password
click the button for new repository
set name to app4jwt
set description to nodejs app using json web token for auth
take note of the url https://github.com/peterkao87/app4jwt.git used in the next step.

3. create a connection in local repository

back to the mac terminal window
enter git remote to see any connection. The result is none.
The syntax for add a connection git remote add
enter git remote add origin https://github.com/peterkao87/app4jwt.git to create a connection
url: is from the previous step
alias: for further references of remote repository.
enter git remote to verify the add. You'll see origin.
note: to remove the connection: git remove rm origin

4. push master branch from local repository to remote repository

still in the mac terminal window
enter git branch> to find the list of branches.You'll see only one - master.
syntax: git push -u origin
enter git push -u origin master
master is the branch name
The push is done.

5. download for public

My Gibhub account is for public.
The contents can be download from https://github.com/peterkao87/app4jwt.git for public.
click button clone or download

Changes

If the last change in the remote is yours.

If the last change in the remote is not yours.

15. GIT and GITHUB