更新环境
yum update
##安装依赖
yum install -y yum-utils device-mapper-persistent-data lvm2
##设置yum源
yum-config-manager —add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
##配置缓存
yum makecache fast
##安装docker
yum install docker-ce
##配置加速器
mkdir -p /etc/docker
tee /etc/docker/daemon.json <<-‘EOF’
{
“registry-mirrors”: [“http://hub-mirror.c.163.com“]
}
EOF
##启动docker
systemctl start docker
##开启守护
systemctl enable docker
##查看状态
docker version

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