virtualbox虚拟机与hyper-v不兼容
用virtualbox虚拟机打开contos，启动报错，用下面的方面解决了
https://www.pianshen.com/article/9694286918/
大致就是virtualbox虚拟机与hyper-v不兼容，需要把hyper-v关了，但是win10上的docker又依赖hyper-v，直接cmd docker命令去build就报错（没启动docker？然后docker需要把hyper-v打开才能启动？）
error during connect: Post http://%2F%2F.%2Fpipe%2Fdocker_engine/v1.40/build?buildargs=%7B%7D&cachefrom=%5B%5D&cgroupparent=&cpuperiod=0&cpuquota=0&cpusetcpus=&cpusetmems=&cpushares=0&dockerfile=Dockerfile&labels=%7B%7D&memory=0&memswap=0&networkmode=default&rm=1&session=0gncfa0slfswqsjvw2i3h12o8&shmsize=0&t=springcloud%2Fconfig&target=&ulimits=null&version=1: open //./pipe/docker_engine: The system cannot find the file specified. In the default daemon configuration on Windows, the docker client must be run elevated to connect. This error may also indicate that the docker daemon is not running.