centos 6.8
centos 7
https://docs.docker.com/install/linux/docker-ce/centos/
https://yq.aliyun.com/articles/110806?spm=5176.8351553.0.0.26f11991d6e4vg
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# step 1: 安装必要的一些系统工具
sudo yum install -y yum-utils device-mapper-persistent-data lvm2
# Step 2: 添加软件源信息
sudo yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
# Step 3: 更新并安装 Docker-CE
sudo yum makecache fast
sudo yum -y install docker-ce
# Step 4: 开启Docker服务
sudo service docker start
$ sudo systemctl start docker添加阿里源
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