System monitoring is essential for ensuring the performance and stability of any technological infrastructure. In this context, Glances stands out as a versatile and powerful tool that provides a detailed and real-time view of your system’s resources and processes.
What is Glances?
Glances is an open-source solution developed in Python, designed to monitor various aspects of a system, such as CPU usage, memory, network, disk, processes, and containers. Built as a cross-platform tool, Glances is compatible with Linux, macOS, Windows, and FreeBSD. Its intuitive interface and customization options make it ideal for system administrators and advanced users alike.
Key Features
- Real-Time Monitoring
Glances provides real-time insights into resource usage, including CPU, memory, network interfaces, disk I/O, and other critical components. It also delivers detailed statistics on running processes, file systems, and containers (with support for Docker and Podman). - Client/Server Mode and Remote Access
Glances supports remote monitoring via its client/server mode, accessible through the command line, a web interface, or RESTful and XML-RPC APIs. This makes it an ideal tool for distributed infrastructures. - Data Export
Glances allows exporting system statistics to various formats and services, including CSV, InfluxDB, Elasticsearch, RabbitMQ, Prometheus, and more. It also integrates seamlessly with visualization platforms like Grafana. - Container Compatibility
With support for Docker and Podman, Glances enables users to monitor the status and performance of containers directly from its interface. - Built-In Web Interface
Beyond its terminal functionality, Glances includes a web interface, allowing users to monitor systems from any device with a web browser. - Extensibility
Glances’ open architecture allows developers to add new modules, plugins, and features to meet specific system needs.
Use Cases in Business Environments
For companies with advanced infrastructures, such as data centers or cloud architectures, Glances provides an effective solution for:
- Resource Optimization: Identifying bottlenecks and processes consuming excessive resources.
- Centralized Monitoring: Using client/server mode, IT teams can monitor multiple systems from a central location.
- Integration with Analytics Platforms: Its ability to export data to services like Elasticsearch and InfluxDB enables seamless integration with analytics and alerting platforms.
Installation and Configuration
Installing Glances is straightforward and compatible with various platforms. Below are the basic steps for setup:
- Installation via
pip
pip install glances
To include the web interface:bashCopiar códigopip install 'glances[web]'
- Running Locally
To monitor the local system:glances
- Running in Server Mode
To enable remote monitoring:glances -w
Access via browser:http://<IP>:61208
. - Using with Docker
Glances is also available as a Docker image:docker pull nicolargo/glances:latest-full
docker run -d --restart="always" -p 61208:61208 nicolargo/glances:latest-full
Advantages Over Traditional Tools
While popular tools like top
, tiptop
or htop
are widely used, Glances distinguishes itself by offering deeper insights, advanced integrations, and extensive customization options. Its cross-platform compatibility and extensible design make it a unique choice for system monitoring.
Conclusion
Glances is an essential tool for any system administrator seeking a robust, flexible, and user-friendly solution for monitoring modern infrastructures. Its ability to adapt to various scenarios and its focus on usability make Glances a smart choice for projects of all scales.
For more information and complete documentation, visit Glances’ official repository on GitHub.