如果你使用Vagrant的时候provider用的是virtual box 可能你会遇到下面两个比较头疼的问题。 安装时示错误 Vagrant was unable to mount VirtualBox shared folders. This is usually because the filesystem "vboxsf" is not available. This filesystem is made available via the VirtualBox Guest Additions and kernel module. Please verify that these guest additions are properly installed in the guest. This is not