現象 Vagrant + VirtualBox 上でVM(仮想マシン)をvagrant upで作ろうとすると、 $ vagrant up Bringing machine 'default' up with 'virtualbox' provider... ==> default: Importing base box 'CentOS6.5_x86_64'... ・ ・ GuestAdditions versions on your host (4.3.18) and guest (4.3.6) do not match. ・ ・ Setting up Install Process No package kernel-devel-2.6.32-431.3.1.el6.x86_64 available. ・ ・ Installing Virtualbox Guest Additions 4