It is not a pen. It is a book. Audio (US) (file)

Avoid cycling the device unnecessarily.

Yet in “Through a Latte, Darkly”, a new study of how Starbucks has largely avoided paying tax in Britain, Edward Kleinbard […] shows that current tax rules make it easy for all sorts of firms to generate what he calls “stateless income”: […]. In Starbucks’s case, the firm has in effect turned the process of making an expensive cup of coffee into intellectual property.

You'll probably also want to get an uninterruptible power supply with a rebootable system, in case the power goes out so that your server can get back online without your waking up at three in the morning.