如何在CentOS上安裝docker

sudo yum install -y yum-utils device-mapper-persistent-data lvm2

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

如果安裝失敗，需要進行升級包

yum -y update

開啟docker服務

systemctl start docker