Xerosphere

APC is the Alternative PHP Cache, an opcode cache for PHP, or as its developers describe it: "APC is a free, open, and robust framework for caching and optimizing PHP intermediate code."  If your eyes just glazed over or you can't make sense of that last quote, you may now walk away.

I had to migrate a multi-site installation of Drupal from one server to another, and devised a way to copy all the relevant MySQL databases from the old server to the new server with a single bash command. It is secure as it is piped through SSH. Hope someone finds this useful.