执行systemctl start docker.service,报错Failed to start docker.service: Unit docker.service not found.

1、输入yumerasepodmanbuildah,卸载podaman,输入y,等待知道卸载完毕。原因是:CentOS默认使用podman代替docker,所以需要将podman卸载。2、安装依赖环境:yum...