Fetch/Update the CentOS official image,
docker pull centos
And prepare your custom image based on it,
mkdir -p ~/images/centos/upload/ cd ~/images/centos/ wget http://doc.nethence.com/download/centos/Dockerfile cd upload/ wget http://doc.nethence.com/download/centos/upload/fakeinit.bash wget http://doc.nethence.com/download/centos/upload/install.bash chmod +x * cd .. docker build -t custom/centos .