centos7安装docker1.Install required packages. yum-utils provid

Install using the repository

SET UP THE REPOSITORY

1.Install required packages. yum-utils provides the yum-config-manager utility, and device-mapper-persistent-data and lvm2 are required by the devicemapper storage driver.

$ sudo yum install -y yum-utils \
  device-mapper-persistent-data \
  lvm2

2.Use the following command to set up the stable repository.

$ sudo yum-config-manager \
  --add-repo \
  https://download.docker.com/linux/centos/docker-ce.repo

INSTALL DOCKER CE

$ sudo yum install docker-ce

Start Docker

$ sudo systemctl start docker

3.Verify that Docker CE is installed correctly by running the hello-world image.

$ sudo docker run hello-world

更换镜像源

进入目录

cd /etc/docker

编辑文件

vim daemon.json

添加源

{
    "registry-mirrors": ["https://mj9kvemk.mirror.aliyuncs.com"]
}

重启docker

service docker restart

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