centos7  yum安装docker engine

参考官方文档  https://docs.docker.com/engine/installation/linux/centos/

 

1、检查内核版本，最小要求 3.10

      $ uname -r

 

2、确认存在最新的yum包

$ sudo yum update

 

3、Add the yum repo

$ sudo tee /etc/yum.repos.d/docker.repo <<-'EOF' [dockerrepo] name=Docker Repository baseurl=https://yum.dockerproject.org/repo/main/centos/$releasever/ enabled=1 gpgcheck=1 gpgkey=https://yum.dockerproject.org/gpg EOF

 

4、Install the Docker package.

   $ sudo yum install docker-engine

 

5、Start the Docker daemon

    $ sudo service docker start

 

6、验证

$ sudo docker run hello-world

 出现如上提示说明安装正确