Munin is a powerful open-source monitoring tool that helps track system and network performance by collecting various metrics, such as CPU, memory usage, disk activity, and network statistics. It is primarily used for monitoring infrastructure health and identifying trends in system performance over time. Munin features a web interface for easy visualization of data and can monitor multiple systems via its client-server architecture.

Features of Munin:

• Multi-Host Support: Monitors multiple hosts and displays their performance data in a central web interface.
• Graphing: Provides detailed graphical representations of system metrics like CPU, RAM, disk usage, and more.
• Extensible with Plugins: Comes with various built-in plugins and supports custom plugins to monitor specific applications or services.
• Alerting: Can be configured to send notifications when predefined thresholds are crossed (e.g., CPU usage exceeds a certain level).
• Ease of Setup: Easy to configure and deploy, with minimal system resource usage and straightforward web-based access.
• Web Interface: Provides a web-based interface for monitoring and reviewing system performance trends in real time.

To check the version of Munin: munin --version

Disclaimer: Munin is an open-source software distributed under the GNU General Public License (GPL). It is not affiliated with, endorsed by, or sponsored by any specific organization. Users are encouraged to review the documentation and ensure compliance with licensing terms when using Munin in their projects.