centos7 安装docker

安装脚本

在系统内输入vi ini.sh，复制以下内容后执行bash ini.sh

# bin/bash
sudo yum upgrade
sudo yum update -y
sudo yum -y remove docker docker-client docker-client-latest docker-common docker-latest docker-latest-logrotate docker-logrotate docker-engine

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

sudo yum install -y docker-ce docker-ce-cli containerd.io docker-compose-plugin

sudo systemctl start docker
sudo docker run hello-world