=== Contribute to github ===
 1. configure local git
 {{{
 $ git config --global user.name "frdeng"
 $ git config --global user.email "frank.deng@oracle.com"
}}}
 1. fork a repo on github.com
 1. clone repo
 {{{
 $ git clone https://github.com/frdeng/oraclelinux.git
}}}
 1. add upstream to your repo
 {{{
 $ git remote add upstream https://github.com/boxcutter/oraclelinux.git
}}}
 1. fetch upstream
 {{{
 $ git fetch upstream
}}}
 1. set upstream branch
 {{{
 $ git branch --set-upstream-to=upstream/master master
}}}
 1. create new branch for changes
 {{{
 $ git checkout -b newfix
}}}
 1. make code changes
 1. add changes
 {{{
 $ git add .
}}}
 1. commit changes
 {{{
 $ git commit -m "comments"
}}}
 1. push to origin
 {{{
 $ git push --set-upstream origin newfix
}}}
 1. create new pull request on github.com