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Nagios vs Nethogs

Professional comparison and analysis to help you choose the right software solution for your needs.

Nagios icon
Nagios
Nethogs icon
Nethogs

Nagios vs Nethogs: The Verdict

⚡ Summary:

Nagios: Nagios is an open-source monitoring system that allows administrators to monitor network infrastructure like servers, switches, applications, and services. It can notify users when issues arise and help identify problems in a timely manner.

Nethogs: Nethogs is a Linux tool that provides real-time network traffic usage by process. It shows bandwidth usage on a per-process basis in an easy to understand format.

Both tools serve their respective audiences. Compare the features, pricing, and user ratings above to determine which best fits your needs.

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature Nagios Nethogs
Sugggest Score
Category Network & Admin Network & Admin
Pricing Open Source Open Source

Product Overview

Nagios
Nagios

Description: Nagios is an open-source monitoring system that allows administrators to monitor network infrastructure like servers, switches, applications, and services. It can notify users when issues arise and help identify problems in a timely manner.

Type: software

Pricing: Open Source

Nethogs
Nethogs

Description: Nethogs is a Linux tool that provides real-time network traffic usage by process. It shows bandwidth usage on a per-process basis in an easy to understand format.

Type: software

Pricing: Open Source

Key Features Comparison

Nagios
Nagios Features
  • Monitoring of network services (HTTP, SMTP, POP3, ICMP, etc)
  • Monitoring of host resources (processor load, disk usage, etc)
  • Simple plugin design for easy extensibility
  • Alerting and notification when problems arise
  • Web interface for viewing current network status, alerts and reports
  • Support for SNMP polling for switch/router monitoring
  • Remote monitoring capabilities with secure tunneling
Nethogs
Nethogs Features
  • Monitors bandwidth usage per process in real time
  • Displays network usage in a terminal using a text-based user interface
  • Shows program name, PID, sent/received data, and total usage
  • Can filter processes by name or PID
  • Lightweight and non-intrusive

Pros & Cons Analysis

Nagios
Nagios

Pros

  • Open source and free
  • Highly customizable and extensible
  • Wide range of plugins available
  • Alerting helps identify issues quickly
  • Good community support

Cons

  • Steep learning curve
  • Complex configuration
  • No native support for monitoring Windows systems
  • Difficult to scale to large environments
Nethogs
Nethogs

Pros

  • Easy to use and understand
  • Provides granular visibility into bandwidth usage
  • Helpful for identifying and troubleshooting network hogs
  • Works on most Linux distributions without setup

Cons

  • Terminal-only interface lacks graphical view
  • Can only monitor bandwidth usage, not other metrics
  • Requires root access to monitor all processes
  • Not well-suited for remote monitoring

Pricing Comparison

Nagios
Nagios
  • Open Source
Nethogs
Nethogs
  • Open Source

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