Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?
如何解决在 CentOS 7 上解决因未设置 Docker 开机自启而出现的 “Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?” 问题 在 CentOS 7 环境下,当我们在未开启 Docker 服务开机自启(systemc