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On the recordRead 4 Oct 202613 facts
Nagios Core
Plans and prices
Nagios Core
Free
No node limitations · Open source under GPL v2 · Manual text-file configuration
Read 4 Oct 2026 · nagios.org
On the record
- Alerts and automation
- It supports configurable notifications, escalation paths, notification dependencies, event handlers, service recovery actions, and maintenance scheduling.nagios.org · read 4 Oct 2026
- Company history
- Nagios says Ethan Galstad began the open-source Nagios Core engine in 1999.nagios.org · read 4 Oct 2026
- Configuration limit
- Core uses text-based configuration files and does not include the configuration wizards listed for Nagios XI.nagios.org · read 4 Oct 2026
- Extensibility
- Its plugin system supports custom checks, plugins written in languages such as Bash, Python, Perl, C, and PHP, and remote execution through NRPE or SSH.nagios.org · read 4 Oct 2026
- Host monitoring
- It monitors processor load, disk usage, memory, processes, and other system resources on Linux, Unix, and Windows hosts.nagios.org · read 4 Oct 2026
- Integrations
- The features page names Grafana, InfluxDB, Prometheus, PagerDuty, Slack, and ServiceNow among its integration options.nagios.org · read 4 Oct 2026
- Intended users
- The maker describes Core as suited to IT professionals comfortable with command-line configuration who want control without licensing costs.nagios.org · read 4 Oct 2026
- Network monitoring
- It can check network services and protocols including SMTP, POP3, HTTP, NNTP, ICMP, SNMP, FTP, SSH, TCP, and UDP.nagios.org · read 4 Oct 2026
- Purpose
- Nagios Core monitors IT infrastructure including servers, network devices, websites, applications, services, and custom metrics.nagios.org · read 4 Oct 2026
- Requirements
- The product page specifies a Linux-based operating system and lists Ubuntu, CentOS, Debian, and Red Hat Enterprise Linux versions as supported distributions.nagios.org · read 4 Oct 2026
- Security updates
- The 4.5.14 changelog lists fixes for vulnerabilities in notification macros, jsonquery.js, cmd.cgi, and the CSRF cookie.nagios.org · read 4 Oct 2026
- Support
- The product page lists community forums, documentation, manuals, a quick-start guide, FAQs, and video tutorials as Core resources.nagios.org · read 4 Oct 2026
- Web interface and data
- Nagios Core includes a CGI web interface and exposes status files, external commands, performance data, and an event broker module interface.nagios.org · read 4 Oct 2026
