initial Centos-7 support
diff --git a/centos-7.0/scripts/virtualbox.sh b/centos-7.0/scripts/virtualbox.sh
new file mode 100644
index 0000000..ba53d21
--- /dev/null
+++ b/centos-7.0/scripts/virtualbox.sh
@@ -0,0 +1,7 @@
+VBOX_VERSION=$(cat /home/vagrant/.vbox_version)
+cd /tmp
+mount -o loop /home/vagrant/VBoxGuestAdditions_$VBOX_VERSION.iso /mnt
+sh /mnt/VBoxLinuxAdditions.run
+umount /mnt
+rm -rf /home/vagrant/VBoxGuestAdditions_*.iso
+