nrpe-server
NRPE (Nagios Remote Plugin Executor) server that allows remote monitoring systems to execute monitoring plugins on local hosts for system health checks and metrics collection
Score Breakdown
⚙ Agent Friendliness
🔒 Security
Uses IP-based ACLs and optional SSL. Command injection risks if not properly configured. No fine-grained permissions.
⚡ Reliability
Best When
You have an existing Nagios/Icinga monitoring infrastructure and need to monitor traditional servers or legacy systems
Avoid When
Building new monitoring infrastructure from scratch or working with containerized/cloud-native applications
Use Cases
- • Remote server monitoring with Nagios/Icinga
- • System health checks (CPU, memory, disk usage)
- • Service availability monitoring
- • Custom plugin execution for application monitoring
- • Distributed monitoring infrastructure
Not For
- • Modern cloud-native monitoring (use Prometheus/Grafana instead)
- • Application performance monitoring (APM)
- • Log aggregation and analysis
- • Real-time streaming metrics
- • Container/Kubernetes monitoring
Interface
Authentication
Uses allowed_hosts configuration and optional SSL for authentication
Pricing
Free open-source software, costs only for infrastructure
Agent Metadata
Known Gotchas
- ⚠ Protocol is not HTTP/REST based
- ⚠ Requires specific NRPE protocol implementation
- ⚠ Limited to executing pre-configured commands
- ⚠ No programmatic API for configuration
Alternatives
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Scores are editorial opinions as of 2026-03-17.