How to CoreOS on Mac

How to CoreOS

# Pre-requisits

## for mkisofs
brew install dvdrtools

## fix brew
cd /usr/local/Library/
sudo git pull origin master

## gpg
brew install gpg

## sha1sum
brew install md5sha1sum

## sha256sum
brew install coreutils


# Create Virtual Box Image
curl -O https://raw.githubusercontent.com/coreos/scripts/master/contrib/create-coreos-vdi
chmod +x create-coreos-vdi
./create-coreos-vdi -d ~/Library/VirtualBox/Templates/

# Create config disk
wget https://raw.github.com/coreos/scripts/master/contrib/create-basic-configdrive
chmod +x create-basic-configdrive
./create-basic-configdrive -H my_vm01 -S ~/.ssh/id_rsa.pub