centos安装docker

首先更新一下：

yum -y update

centos8默认使用podman代替docker，所以需要containerd.io

yum install https://download.docker.com/linux/fedora/30/x86_64/stable/Packages/containerd.io-1.2.6-3.3.fc30.x86_64.rpm

安装一些其他依赖
yum install -y yum-utils device-mapper-persistent-data lvm2yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo

安装docker

yum install -y docker-ce

启动docker

systemctl start docker