自分では使っていないが、やりたい人もいるのでメモ。 VirtualBox 起動、接続まで mac$ brew install caskroom/cask/brew-cask mac$ brew cask install virtualbox mac$ brew cask install vagrant mac$ vagrant box add centos7 https://f0fff3908f081cb646…

Failed to mount folders in Linux guest. This is usually because the "vboxsf" file system is not available. Please verify that the guest additions are properly installed in the guest and can work properly. The command attempted was: mount -…