Contribuir con un repositorio externo
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# mkdir .ssh
# cd .ssh
# ssh-keygen
> Copy to Settings Profile your public ssh key
# ssh -T git@github.com //Test connection

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# git clone git@github.com:imansilla/canawa.git
# git remote -v // Check the "origin" named repository

/*
    origin  git@github.com:imansilla/canawa.git (fetch)
    origin  git@github.com:imansilla/canawa.git (push)
*/

# git remote add upstream git@github.com:germix/canawa.git // Add remote from original repository in your forked repository
# git remote -v

/*
origin  git@github.com:imansilla/canawa.git (fetch)
origin  git@github.com:imansilla/canawa.git (push)
upstream    git@github.com:germix/canawa.git (fetch)
upstream    git@github.com:germix/canawa.git (push)
*/

# git pull upstream master // Updating your fork from original repository to keep up with their changes:
# git checkout -b <branch_name> //Create Branch and move there
> Create-Delete-Modify your files
# git add * //Add the content
# git commit -m "comment your changes" //Create a commentary
# git push origin <branch_name>
# git branch -d <branch_name>