Tom Ryder is a systems administrator and former web developer from New Zealand. He uses Nagios Core as part of his 'day job' as a systems administrator, monitoring the network for a regional internet service provider. Tom works a great deal with UNIX-like systems, being a particular fan of GNU/Linux, and writes about usage of open source command line development tools on his blog Arabesque: http://www.blog.sanctum.geek.nz