The StorageGRID system runs on Red Hat Enterprise Linux or CentOS as a collection of Docker containers. Before you can install StorageGRID, you must install Docker.
sudo systemctl enable docker
sudo systemctl start docker
sudo docker version
Client: Version: 1.10.3 API version: 1.22 Package version: docker-common-1.10.3-46.el7.14.x86_64 Go version: go1.6.2 Git commit: 5206701-unsupported Built: Mon Aug 29 14:00:01 2016 OS/Arch: linux/amd64 Server: Version: 1.10.3 API version: 1.22 Package version: docker-common-1.10.3-46.el7.14.x86_64 Go version: go1.6.2 Git commit: 5206701-unsupported Built: Mon Aug 29 14:00:01 2016 OS/Arch: linux/amd64