Centos 安装Docker

卸载旧版本

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

安装

sudo yum install -y yum-utils

sudo yum-config-manager \
    --add-repo \
    https://download.docker.com/linux/centos/docker-ce.repo

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

启动

sudo systemctl start docker

验证是否成功

sudo docker run hello-world

结果出现Hello from Docker!即启动成功