Vagrant failed to mount folders in Linux guest Mac 10.9.5, Virtualbox4.3.18 Vagrant 1.6.5 vagrant-vbguest (0.10.0) installed 上記の条件で以下のようにエラーになった Failed to mount folders in Linux guest. . Please verify that the guest additions are properly installed in the guest and can work properly. The command attempted was: mount -t vboxsf -o uid=`id -u vagrant`,gid=`getent group vagrant | cut -d: -f3` vagrant