Centos7 Installing the Docker CE

Installation

2. Install GCC First

   sudo yum-y install gcc

4. If you have installed Docker, you need to remove the installation by executing the following command

   sudo yum remove docker docker-client docker-client-latest Docker-common docker-latest docker-latest-logrotate Docker-logrotate Docker-selinux Docker-engine-selinux Docker-engine

6. Add a mirrored warehouse (using Ali's mirrored warehouse)

   sudo yum-config-manager--add-repo Http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo

8. Updating the Yum Package index

   sudo yum makecache fast

10. Installing Docker-ce

    sudo yum-y install Docker-ce

12. Start Docker

    Systemctl Start Docker

14. Configure Mirroring acceleration

    sudo mkdir-p/etc/docker
    sudo tee/etc/docker/daemon.json <<-' EOF '
    {
    "Registry-mirrors": ["https://xxxxx.mirror.aliyuncs.com"]
    }
    Eof
    sudo systemctl daemon-reload
    sudo systemctl restart Docker

16. Docker Hello-world

    Docker Run Hello-world

Centos7 Installing the Docker CE