centos7 安装docker1 卸载docker旧版本 2 安装docker的依赖 3 更新本地镜像源 4 下载do

1 卸载docker旧版本

yum remove docker \
                  docker-client \
                  docker-client-latest \
                  docker-common \
                  docker-latest \
                  docker-latest-logrotate \
                  docker-logrotate \
                  docker-selinux \
                  docker-engine-selinux \
                  docker-engine \
                  docker-ce

2 安装docker的依赖

yum install -y yum-utils \ device-mapper-persistent-data \ lvm2 --skip-broken

3 更新本地镜像源

yum-config-manager \ --add-repo \ https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
sed -i 's/download.docker.com/mirrors.aliyun.com\/docker-ce/g' /etc/yum.repos.d/docker-ce.repo
yum makecache fast

4 下载docker

yum install -y docker-ce

5 启动docker systemctl start docker