在CentOS7上安装Docker

安装依赖

1
2
3

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

1
2
3

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

1	sudo yum -y install docker-ce

1	sudo systemctl start docker

1	sudo systemctl enable docker

1	sudo docker run hello-world

修改 /etc/docker/daemon.json 文件并添加上 registry-mirrors 键值。

1	vi /etc/docker/daemon.json

内容:

1
2
3

{
  "registry-mirrors": ["https://registry.docker-cn.com"]
}

重启服务

1	sudo systemctl restart docker