Update instructions for creating the box

Author: akrabat

README_CREATE_BOX.md

@@ -1,11 +1,12 @@
 # Create Vagrant Box.
 
 1. Comment out everything except `- init` from `setup.yml`
-2. Ensure that `install_profiler:` is set to `false`` in `variables.yml`
-3. Use correct base box in `Vagrantfile`
+2. Use correct base box in `Vagrantfile`
+3. `cp vm-provisioning/variables.yml.dist vm-provisioning/variables.yml`
 4. `vagrant destroy -f`
 5. `vagrant up`
-6. `vagrant package --output 19ft_phpdev_x.y.z.box`
-7. Upload to CDN and release new version on atlas.hashicorp.com
-8. delete `19ft_phpdev_x.y.z.box`
+6. ssh into box: `sudo su -; dd if=/dev/zero of=file; rm file`
+7. Back in host: `vagrant package --output 19ft_phpdev_x.y.z.box`
+8. Upload to CDN and release new version on atlas.hashicorp.com
+9. delete `19ft_phpdev_x.y.z.box`