Introduction This guide is intended to provide you with simple instructions on how to install Nagios from source (code) on Ubuntu and have it monitoring your local machine inside of 20 minutes. No advanced installation options are discussed here - just the basics that will work for 95% of users who want to get started. These instructions were written based on an Ubuntu 6.10 (desktop) installation. They should work for an Ubuntu 7.10 install as well. What You'll End Up With If you follow these instructions, here's what you'll end up with: Nagios and the plugins will be installed underneath /usr/local/nagios Nagios will be configured to monitor a few aspects of your local system (CPU load, disk usage, etc.) The Nagios web interface will be accessible at http://localhost/nagios/ Required Packages Make sure you've installed the following packages on your Ubuntu installation before continuing. Apache 2 PHP GCC compiler and development libraries GD deve
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