Docker的基本安装

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

yum install -y yum-utils

yum-config-manager \
    --add-repo \
   # https://download.docker.com/linux/centos/docker-ce.repo
改为阿里云
	yum-config-manager \
    --add-repo \
   http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo

yum  makecache fast

yum install docker-ce docker-ce-cli containerd.io

systemctl start docker
#docker  -v  查看是否安装成功

docker run hello-world

docker  images

yum remove docker-ce docker-ce-cli containerd.io
rm -rf /var/lib/docker