Eddie is an open source UNIX-based system, cluster and network monitoring, security, and performance analysis agent developed primarily for the Linux and Solaris operating systems. The Eddie tool is designed to simplify the management of systems and networks with flexible scripting and configuration options that allow system administrators to adapt the monitoring solution to their specific needs.The core capabilities of Eddie revolve around collecting data related to system performance, security status, network operations, and other critical infrastructural aspects. Eddie's architecture allows it to easily extend its features through scripts and external plugins, which makes it highly adaptable for different environments and scenarios. Additionally, Eddie can be configured to alert administrators via different channels when it detects issues, ensuring that potential problems can be addressed promptly.The platform's documentation and source code are accessible through its SourceForge website http://eddie.sourceforge.net, catering primarily to individuals with technical expertise in systems and network administration. Eddie represents a robust tool for IT professionals looking for a customizable and powerful monitoring solution for UNIX-based environments.