1.卸载老的docker
yum remove docker \
docker-client \
docker-client-latest \
docker-common \
docker-latest \
docker-latest-logrotate \
docker-logrotate \
docker-engine
2.安装依赖
yum install -y yum-utils \
device-mapper-persistent-data \
lvm2
3.添加docker的yum源
yum-config-manager \
--add-repo \
https://download.docker.com/linux/centos/docker-ce.repo
4.使用yum方式安装docker
yum install docker-ce docker-ce-cli containerd.io
如果需要指定版本安装
$ yum list docker-ce --showduplicates | sort -r
$ sudo yum install docker-ce-<VERSION_STRING> docker-ce-cli-<VERSION_STRING> containerd.io
5.启动docker
sudo systemctl start docker
6.测试docker是否安装成功
docker run hello-world