nnmon is a central database and a Web interface for the nmon program's data. It allows you to store and view nmon data instantly. nnmon_sender.pl is a pure Perl script. It runs the external nmon program and opens its output file for reading. Every line read from the file is sent to the nnmon_server.py program via TCP/IP socket. nnmon_server.py reads incoming data, parses it, and inserts the result to the database. nnmonweb is a PHP script that lets you view monitored systems in a tree. If there is data for a system for the last 12 hours, it will show a chart on the right hand side. The database and server components have been tested on RHEL 5.5. The client parts have also been tested on AIX 6.1 and RHEL 5.5.