git push to an existing repository code example
Example 1: create new repository on the command line
git init
git add README.MD
git commit -m "commit message"
git remote add origin git url_of_github_repo
git push origin master
Example 2: initialize a repo and push to github
git init
git add -A
git commit -m 'Added my project'
git remote add origin git@github.com:sammy/my-new-project.git
git push -u -f origin master
Example 3: how to push to git hub
git push <REMOTENAME> <BRANCHNAME>