Unix::Statgrab is a wrapper for libstatgrab, as available from
http://www.i-scream.org/libstatgrab/. It is a reasonably portable
attempt to query interesting stats about your computer. It covers
information on the operating system, CPU, memory usage, network
interfaces, hard-disks etc.

WWW: http://search.cpan.org/dist/Unix-Statgrab/
