uptimed and uprecords
Nice! As I am maniac of uptime here is nice utility found at http://www.linuxjournal.com/content/tracking-server-uptimes
uptimed. It is similar to the utility that most of us have heard of, uptime, except that it runs as a daemon and logs the system’s uptime instead of just reading info that is lost on a reboot. Uptimed provides a secondary command called uprecords