Description:
Network monitoring and management system
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Type: Formula
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Tracked Since: Dec 28, 2025
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Links:
Homepage |
@nagiosinc |
formulae.brew.sh
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Category: Monitoring
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Tags:
monitoring
networking
devops
sysadmin
alerting
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Install:
brew install nagios
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About:
Nagios is a powerful open-source monitoring system designed to monitor networks, servers, applications, and infrastructure. It provides comprehensive alerting capabilities to notify administrators of issues and offers a web interface for visualizing current and historical status data. Its primary value is enabling proactive problem detection to ensure service availability and reliability.
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Key Features:
- Extensible architecture via plugins for custom monitoring
- Powerful alerting system with escalations and dependencies
- Web-based dashboard for status visualization and reporting
- Support for monitoring hosts, services, and network protocols
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Use Cases:
- Monitoring server uptime and resource utilization (CPU, memory, disk)
- Tracking network device health and connectivity via ICMP/SNMP
- Alerting on critical application failures or service outages
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Alternatives:
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Prometheus
– Prometheus uses a pull-based model and is ideal for cloud-native metrics, whereas Nagios is traditionally push/event-based and excels at host availability monitoring.
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Zabbix
– Zabbix offers an all-in-one solution with built-in database and UI, while Nagios relies more heavily on plugins and external integrations for flexibility.
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| May 28, 2026 6:33pm |
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