Global setup:

  Set up git: http://help.github.com/set-up-git-redirect
  git config --global user.name "Author Name"
  git config --global user.email user@email.com
        

Next steps:

  mkdir misc
  cd misc
  git init
  touch README
  git add README
  git commit -m 'first commit'
  git remote add github git@github.com:andersonvom/misc.git
  git push -u github master
      

Existing Git Repo?

  cd existing_git_repo
  git remote add github git@github.com:andersonvom/misc.git
  git push -u github master
      

Importing a Subversion Repo?

  https://github.com/andersonvom/misc/imports/new
      

When you're done:

  https://github.com/andersonvom/misc