Are you sure that what we call "reality" is not a dream, and that what we call "dreams" are not reality? Do you have any means of knowing, with absolute certainty, whether you are awake or asleep right now?

This is a personal page for Glen Galvin. Here you may find useful tips on setting up visualization clusters, and links to related system administrative resources and tips.  Or you may find this page a complete waste of bytes, bandwidth, and your time.