A long time ago we used to output certain key server logs summarised to a dot matrix printer. It was a neat place to see the history at a glance, but the idea

A long time ago we used to output certain key server logs summarised to a dot matrix printer. It was a neat place to see the history at a glance, but the idea was also that it was an unhackable audit. Probably done more efficiently with WORM drives nowdays, but without that immediate tactile presence.