Yes, with a VPS you can install whatever you want on it, much like your own desktop computer. Install WordPress, or Drupal, or Ghost, or whatever you want. As long as the VPS resources are enough to handle all of them running at once 😄
@julian the issue was different mongodb versions on different servers, when the database migrated on the different version of mongodb it failed with that error periodically. The odd thing is it did not crash, just hung threre.