install docker

安装

1. install docker
2. switch mirror
3. docker desktop
4. docker run -d -p 80:80 docker/getting-started

错误解决方案

1. Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?

2. curl docker-compose permission denied

   进入超级用户

   sudo -i

   切换为普通用户

   su ubuntu

   退出当前用户

   exit