> For the complete documentation index, see [llms.txt](https://book.konstantinsecurity.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://book.konstantinsecurity.com/readme/architect/monitoring/nagios.md).

# Nagios

<https://www.nagios.org/>

Nagios Core is our original open-source monitoring solution, developed for and supported by hundreds of community members. Create your ideal monitoring and alerting tool with a flexible and extensible monitoring architecture.

![](https://296194292-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FLoAqAoOfr7XVUQw7Gff8%2Fuploads%2Fgit-blob-d631604f40817b3d8b1419aa0ca02830b2abc443%2FUS-Department-of-Education.png?alt=media)

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![](https://296194292-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FLoAqAoOfr7XVUQw7Gff8%2Fuploads%2Fgit-blob-ab9fe36b0c027a44ea2bfc2af6abc1db4b5b2536%2FUPS.png?alt=media)

![](https://296194292-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FLoAqAoOfr7XVUQw7Gff8%2Fuploads%2Fgit-blob-930831d04201ae000471f4e62226833f07cad435%2FBP.png?alt=media)

![](https://296194292-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FLoAqAoOfr7XVUQw7Gff8%2Fuploads%2Fgit-blob-08f0396c8f1dd90e1317f8ea33efffa1f85a97c5%2FApple.png?alt=media)

Over 10,000 Commercial customers and countless community users trust Nagios to monitor their environment. No matter the industry, you can accomplish it all with Nagios.

## Nagios Commercial Solutions

### Nagios XI

Monitor your entire IT infrastructure quickly with the most powerful monitoring solution on the market.

![](https://296194292-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FLoAqAoOfr7XVUQw7Gff8%2Fuploads%2Fgit-blob-806509526f8dd9209e206cee36a0d85beec9bb45%2FXI-min.png?alt=media)

### Nagios Log Server

Quickly and easily view, analyze, and archive logs from any source in one central location.

![](https://296194292-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FLoAqAoOfr7XVUQw7Gff8%2Fuploads%2Fgit-blob-74d66b8f96ff399a523174b45195bfc1c62b7a65%2FLog-Server-Updtaed.webp?alt=media)

### Nagios Network Analyzer

See where your bandwidth is dipping or spiking with our commercial grade netflow data analysis solution.

![](https://296194292-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FLoAqAoOfr7XVUQw7Gff8%2Fuploads%2Fgit-blob-e11270ccddfe43942c1b00b9b4f49c6be358cb46%2Fnetwork-analyzer-fr.webp?alt=media)

### Nagios Fusion

Using Nagios Fusion you gain a centralized visual operational status and enables faster problem resolution over your entire network.

![](https://296194292-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FLoAqAoOfr7XVUQw7Gff8%2Fuploads%2Fgit-blob-4de8091751d1763cffe41c82b6791f34a54036de%2Ffusion.webp?alt=media)

## Nagios Core Resources

Nagios Frontends

Web interfaces, themes, Windows and Linux interfaces, and mobile apps for Nagios. Change the look and style of Nagios to suit your needs.

[View Page](https://www.nagios.org/downloads/nagios-core-frontends/)

See additional projects that extend Nagios Core’s functionality.

[View Page](https://www.nagios.org/downloads/nagios-core-addons/)

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[Datacenter monitoring](/readme/architect/monitoring/nagios/datacenter-monitoring.md)