Information Density: Icinga GmbH – Signal Evidence & AI Readability

[H1] Monitor Your Entire Infrastructure

Open-source infrastructure monitoring you own. Flexible and vendor-neutral, built for hybrid environments.

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[H2] Icinga at a Glance
Icinga spans six fundamental capabilities that address every aspect of monitoring. Level up with valuable insights and on-time notifications, intuitive visuals and analytics.

FEATURES

MONITORING SOLUTIONS

OPEN SOURCE

[H2] Features
Simplify complex operations and reduce manual overhead with Icinga’s automation and integration capabilities. From configuration management and deployment pipelines to custom workflows and API-driven processes. Icinga adapts to your operations needs. Our solutions help you maintain consistency, accelerate change, and keep your monitoring infrastructure responsive, scalable, and future-ready.
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Infrastructure Monitoring
Monitoring Automation
Notifications
Metrics & Logs
Cloud Monitoring
Analytics

[H2] Monitoring Solutions
Gain full visibility into your infrastructure, services and applications with Icinga’s powerful monitoring capabilities. From on-premises systems to dynamic cloud environments, you’ll stay informed, detect issues before they escalate, and ensure the health and performance of your entire IT landscape.

Server Monitoring
Network Monitoring
Kubernetes Monitoring
Windows Monitoring

[H2] Open Source
Icinga is deeply rooted in the open source culture. We started off as an open source project with passionate developers from all over the world. Openness will always be in our DNA. From transparency to collaborative problem solving to appreciative communication: there are many aspects we love about open culture.

Community
Forum
GitHub

[H2] Made for Enterprises
Connect your whole landscape with Icinga and experience outstanding stability and flexibility with your monitoring. Our enterprise-ready solution is unbeatable in customization, automation, and scaling.

Scalability andMultitenancy

ComprehensiveMonitoring

SimplifiedMonitoring

HighAvailability

Enterprise-Grade Support

Safe andSecure

[H4] Trusted by some of the world’s leading companies

[H2] Integrations
Icinga collects and sends data from and to many of your existing DevOps tools, enabling you to create a tailored monitoring solution that perfectly fits your needs.Explore all Integrations.

[H2] News
Stay up to date with the latest news, insights, and stories from the Icinga ecosystem. Whether it’s feature deep dives, release announcements, best practices, or community highlights – our blog keeps you informed and inspired.

HOWTO

[IMG: How to Create Your Own Plugins and Check Commands in Icinga 2]

[H2]
How to Create Your Own Plugins and Check Commands in Icinga 2
If you've been using Icinga 2 for a while, you probably know the built-in checks cover a lot of ground: disk space, CPU, memory, ping. But sooner or later you'll run into something specific to your setup that no existing plugin handles. That's where writing your own...
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RELEASE

[IMG: Icinga 2 v2.16.1 Bugfix Release]

[H2]
Icinga 2 v2.16.1 Bugfix Release
Today, we are announcing the release of Icinga 2 v2.16.1 which fixes an issue with some performance data writers. We have received a number of problem reports for v2.16.0 which could be traced back to some rework of the writers we did in that version. These issues can...
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LATEST

[IMG: New Icinga plugin: NETGEAR monitoring with Go]

[H2]
New Icinga plugin: NETGEAR monitoring with Go
NETGEAR AV Line monitoring With the new NETGEAR AV Line monitoring plugin, you can easily monitor NETGEAR AV Line devices in Icinga 2. This lightweight yet powerful Go-based tool communicates directly with the devices’ API and provides clear status values – including...
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[H2] Enterprise Partners
We work in close cooperation with our Enterprise Partners to make Icinga available to as many users as possible. Our partner network spans around the whole globe.

Subscribe to our Newsletter
A monthly digest of the latest Icinga news, releases, articles and community topics.

[H1] Icinga Customers
[H3] Over the years, Icinga has become an essential part of infrastructure at enterprises around the world. We love it! Learn more about the enterprises that use Icinga or share your own story.

[H2] Customer Stories
We interviewed a diverse selection of our customers. Read the full stories and learn how they benefit from Icinga!

All

Telecom & Media

Finance & Insurance

Public Sector

Tech & IT

Retail & Manufacturing

[H3] Telecom & Media

[H4] Telekom IT

[H4] Telekom Security

[H4] Clear Channel

[H4] RTLZWEI

[H3] Finance & Insurance

[H4] ING

[H4] Mutua Madrileña

[H4] Worldline

[H3] Public Sector

[H4] City of Cologne

[H4] NTE

[H4] LRZ

[H4] Swiss TPH

[H4] University of Bern

[H4] University Hospital

[H3] Tech & IT

[H4] Datev

[H4] Rohde & Schwarz

[H4] Binero

[H4] Telekom MMS

[H4] q.beyond

[H4] SVA

[H4] Koofr

[H4] BTC IT

[H4] RGK4IT

[H3] Retail & Manufacturing

[H4] Magazine Luiza

[H4] Müller

[H4] Sun Chemical

[H4] Vimar

[H4] Photowatt

[H4] Döhler

[H4] Telekom IT

[H4] Telekom Security

[H4] Clear Channel

[H4] RTLZWEI

[H4] ING

[H4] Mutua Madrileña

[H4] Worldline

[H4] City of Cologne

[H4] NTE

[H4] LRZ

[H4] Swiss TPH

[H4] University of Bern

[H4] University Hospital

[H4] Datev

[H4] Rohde & Schwarz

[H4] Binero

[H4] Telekom MMS

[H4] q.beyond

[H4] SVA

[H4] Koofr

[H4] BTC IT

[H4] RGK4IT

[H4] Magazine Luiza

[H4] Müller

[H4] Sun Chemical

[H4] Vimar

[H4] Photowatt

[H4] Döhler

[H3] Share Your Story
Many great organisations around the world use the Icinga Stack to monitor their infrastructure. You too?
Let us know

[H2] Submit your Review
We are committed to valuing all customer feedback! Share your firsthand experience with Icinga on Gartner and Capterra.

[H2] Your Icinga Success Story

Fill in the form to give us a brief overview of your Icinga setup and we’ll get back to you soon. We’d love to hear about your stack, challenges and how you work and thrive with Icinga!
Hope to talk to you soon!

[H1] Icinga – The Open Source Monitoring Solution for Enterprises
Your All-In-One Monitoring Tool for Complete Control
Stay in control of your IT infrastructure with a open-source monitoring tool designed to adapt to your complex environment. Detect issues before they cause outages, streamline your workflows, and ensure maximum uptime and performance.

Get Started

{

I like the new concept of the monitoring configuration by apply rules instead of defining concrete objects, and the possibility to use control structures, functions, and dependencies.
Operations Manager – IT Services

☆☆☆☆☆

[H2] Why Teams trust Icinga for IT Monitoring
Modern IT environments are complex. You are expected to ensure everything runs smoothly, 24/7. Juggling various monitoring tools or drowning in irrelevant alerts can make your job frustrating. Icinga provides a centralized view of all your infrastructure components, from networks to applications, giving you peace of mind and the ability to prevent downtime before it even starts.

[H3] Complete Visibility
Monitor networks, servers, cloud and containers in real time, all from one interface.

[H3] Highly Scalable
Grow your monitoring setup effortlessly, from a single instance to enterprise-grade deployments.

[H3] Open Source & Flexible
Customize and extend monitoring with powerful integrations and APIs.

[H2] How Icinga Empowers your IT Team to Stay Ahead of Issues

Icinga can be connected to directory services such as Active Directory and offers full multi-client capability.

Get a quick overview of whether a check is OK or whether problems have been found.

Quick access to various interactions such as setting downtimes, re-scheduling checks, creating comments or acknowledging problems.

When clicking on elements, their details open on the right-hand side and allows you to quickly jump between views.

Icinga indicates in the navigation menu when modules report information, warnings or problems.

The list view helps you detect quickly whether there are any current problems.

The navigation bar can be extended with custom items for filtered views or external links.

Quickly evaluate when a check was executed the last time, how long it took and when it will be executed again.

Describe your hosts and services with custom variables. Use them to create dynamic rules for monitoring and alering.

Find the root cause of a problem quickly with the visualization of dependencies.

[H4] Dashboard Overview
Comprehensive metrics and real-time data at a glance.

[H4] Custom Alerts
Receive instant notifications for critical issues before they impact users. Reduce noise with advanced filtering.

[H4] Integration Capabilities
Easily connect with cloud services, DevOps tools, and ITSM solutions to streamline your workflows.

[H4] Trusted by Enterprises Worldwide

Check out our Customer Stories

[H2] Core Features of Icinga for Enterprises

Modular and CustomizableAdapt Icinga to your specific monitoring requirements.
Cloud & On-Prem SupportMonitor hybrid infrastructures smoothly.
Advanced APIs & AutomationIntegrate effortlessly with existing workflows.

Security and ComplianceEnsure IT governance and regulatory adherence.
High Availability & PerformanceScale to thousands of hosts without performance drops, with clustering capabilities ensuring no single point of failure.

[H2] Explore Icinga’s Capabilities

[H4] Infrastructure Monitoring
Observe your entire IT in one place.
Learn more

[H4] Monitoring Automation
Monitor massive amounts of data.Learn more

[H4] Cloud Monitoring
Monitor the private, the public and hybrid.
Learn more

[H4] Metrics & Logs
Get the context and recognize trends.Learn more

[H4] Analytics
Analyze your data and perform proactively.
Learn more

[H4] Notifications
Get alerted and react with confidence.
Learn more

[H2] Discover Our Detailed Monitoring Solutions
Icinga offers tailored monitoring solutions for different IT environments. Click on each category to learn more:

[H4] Server Monitoring

Monitor performance, availability, and resource usage of your physical and virtual servers. Ensure uptime and optimize performance with real-time metrics.
Learn more

[H4] Network Monitoring

Keep track of network traffic, device health, and connectivity. Identify bottlenecks and security risks before they impact business operations.
Learn more

[H4] Database Monitoring

Monitor database health, query response times, and availability to ensure efficient data processing. Detect anomalies and prevent downtime.
Learn more

[H4] Application Monitoring

Monitor key metrics, API availability, and response times. Get deep insights into web apps, containers, and Java applications with real-time alerts and detailed checks.
Learn more

[H4] Windows Monitoring

Get deep insights into Windows environments, from system performance to event logs. Ensure compliance and stability across all Windows-based services.
Learn more

[H4] VMware Monitoring

Optimize your virtualized infrastructure with real-time monitoring of VMware environments. Track resource allocation, virtual machine health, and hypervisor performance.
Learn more

[H2] Seamless Integrations for Maximum Flexibility

Configuration Automation

[H4] Ansible

[H4] Puppet

[H4] Terraform

Logging & Metrics

[H4] Elasticsearch

[H4] Graylog

[H4] Graphite

[H4] InfluxDB

[H4] Grafana

Cloud & Infrastructure

[H4] Azure

[H4] AWS

[H4] NetBox

Incident Response

[H4] PagerDuty

[H4] VictorOps

[H4] SIGNL4

[H4] Jira

Browse all Icinga Integrations

[H2] Frequently Asked Questions

General

Installation & Setup

Support & Licencing

[H5] What is Icinga and how does it work?




Icinga is an open-source monitoring solution that provides real-time visibility into IT infrastructures. It continuously checks the health and performance of networks, servers, applications, and services. When an issue arises, Icinga alerts IT teams so they can proactively resolve problems before they impact business operations.

[H5] Is Icinga truly open-source?




Yes, Icinga is open-source and can be freely used, modified, and extended. The strong community-driven development ensures continuous improvements, while optional enterprise support is available for those who need additional assistance.

[H5] What makes Icinga different from other monitoring tools?


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Icinga is highly customizable, open-source, and scalable for enterprises with complex infrastructure. It provides high availability with distributed monitoring capabilities, making it a reliable and long term choice for demanding environments.

[H5] Who is Icinga best suited for?




Icinga is ideal for IT teams that require flexibility, granular control, and deep observability into their infrastructure. Powerful integrations and customization options make it perfect for enterprise environments.

[H5] Is Icinga completely free?




Yes, Icinga is an open-source monitoring software that is free to use. However, for enterprise Linux distributions like RHEL, Amazon Linux 2, and SLES, access to official Icinga packages requires a Repository Subscription. This subscription provides access to these packages and additional software extensions. For development and small-scale environments, a separate Developer Subscription is available.

[H5] Can Icinga monitor cloud environments like AWS, Azure, and Kubernetes?




Yes, Icinga supports monitoring for cloud-based environments, including AWS, Azure, and Kubernetes. It provides detailed insights into cloud resources, containerized applications, and hybrid infrastructures. With Icinga, IT teams can maintain visibility and control across both on-premises and cloud-based systems.

[H5] How easy is it to install and configure Icinga?




Icinga offers straightforward installation packages for all major Linux distributions, including Debian, Ubuntu, RHEL, and SLES. The installation process is well-documented with step-by-step guides, making it accessible even for those without extensive Linux experience. For basic setups, installation and configuration can be completed very quickly. However, larger and more complex environments benefit from Icinga’s flexible architecture, which allows for extensive customization, fine-tuned monitoring, and scalable deployments.

[H5] What are the system requirements for Icinga?




Icinga primarily runs on Linux-based systems, with official support for distributions like Debian, Ubuntu, RHEL, SLES and Amazon Linux. The resource requirements depend on the size of your monitoring environment. For smaller setups, minimal resources are sufficient, while larger enterprise environments may require additional CPU, memory, and storage capacity. Icinga’s modular architecture allows you to scale your monitoring infrastructure as needed by adding more nodes to the setup.

[H5] Does Icinga provide pre-configured templates for common use cases?




Icinga does not provide pre-configured templates by default. Instead, it offers extensive flexibility through modules and plugins that can be tailored to fit your specific monitoring needs. While there are best-practice guidelines available from the community and official documentation, most configurations are built manually to suit individual environments. This approach ensures maximum customization and adaptability.

[H5] How can I migrate from another monitoring tool to Icinga?




Icinga provides flexible migration options that make it easier to transition from other monitoring tools, especially those based on Nagios. Existing configurations can often be reused or adapted, thanks to Icinga’s compatible architecture. For other monitoring tools, migration requires manual configuration, but Icinga’s modular design and detailed documentation help simplify the process. Additionally, Icinga’s powerful APIs and integration capabilities ensure that it can be smoothly integrated into your existing monitoring environment, minimizing downtime and disruption.

[H5] Is Icinga completely free to use?




Yes, Icinga is open-source and free to use. However, for enterprise Linux distributions like RHEL, Amazon Linux 2, and SLES, access to official Icinga packages requires a Repository Subscription. For development and small-scale environments, a separate Developer Subscription is available.

[H5] Does Icinga offer enterprise support?




Yes, Icinga offers enterprise support for organizations that require professional assistance beyond the open-source community. This includes access to service-level agreements (SLAs) and assistance with complex deployments or custom integrations. Enterprise support is particularly valuable for large-scale environments where downtime is critical and advanced monitoring setups are required.

[H5] What kind of community and documentation support is available?


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Icinga provides extensive documentation, an active community forum, GitHub discussions, and training to help users get the most out of the software.

[H5] How does Icinga integrate with existing IT infrastructure and tools?




Icinga supports numerous APIs, automation frameworks, and tools like Grafana, Prometheus, and Ansible. Whether on-premises or in the cloud, Icinga integrates smoothly into various architectures and workflows.

Get Started

Request a Demo

[H1] Infrastructure Monitoring
[H2] Observe Your Entire IT in One Place
[H3] Collect and analyze data from your whole IT infrastructure, improve business results and drive value creation forward.

Get Started

[H2] Gain Full Visibility
With modern IT infrastructures you have to tame almost boundless complexity whilst knowing the health, work and performance of all your systems and applications. A full-stack monitoring solution brings it all together, instantly informs you when an error occurs and enables you to localize and solve it quickly. Prevent outages and optimize your IT!

[H2] Server monitoring
[H3] Serve a Bigger Goal
Servers are the backbone of your business. Ensure uninterrupted operation of your business processes and maximum availability and performance of your IT systems by constantly monitoring your server infrastructure. Monitor Linux, Unix, Windows and other servers on premise and in the cloud.

[H2] Application monitoring
[H3] From Simple to Sophisticated
Applications bring your business to life. Monitor your apps to ensure they run smoothly and respond fast. Starting from a standard LAMP stack up to sophisticated distributed Java applications and everything in between: Make it work!

[H2] network monitoring
[H3] Keep the Connection Up
Reduce network downtime and discover hidden problems that affect bandwidth to ensure maximum productivity for your users. Whether it’s HP, Cisco, Juniper or another vendor that connects your devices: Collect data about their throughput and utilization.

[H2] Bring observability to a new level with Icinga.

[H3] Detect Errors at a Glance
Monitor your whole infrastructure, collect and analyze the data all in one tool. Icinga’s fast and well-organized web interface with the five Icinga status colors makes it easy to detect errors at a glance.
Build custom views by filtering and grouping elements. Store them in dashboards.
Get notified and proactively react to errors before they become problems.
Start troubleshooting. Icinga provides entry points for your precise root cause analysis and determination.
Detail views, business processes, certificate monitoring: Icinga comes with visualization options for many use cases.

[H3] Integrate and Scale Icinga
Heterogenous infrastructures need a flexible monitoring tool. The Icinga Stack is an enterprise-ready solution that integrates easily and is unbeatable in configuration possibilities, automation and scaling. Perfect for large and diverse environments.
Icinga integrates into your existing infrastructure.
Collect and send data from and to your favourite DevOps tools.
Discover hundreds of plugins in the official library. Or simply write your own ones.
Icinga has a built-in clustering mechanism that allows you to scale it easily.

[H3] Improve Collaboration Across Teams
Your own teammates and other teams need access to the monitoring system. Icinga is the portal to facilitate communications and work in interdependence with trust. Collaborate easily while sticking to your preferred way of working.
Grant permissions to different teams and team members.
Inform your team members that an issue is under control.
Thrive with your international team: Icinga supports 9 languages.
Improve accessibility with Icinga’s colorblind theme and descriptions for screen readers (ARIA).

[H2] Do more with Icinga
Bring the speed, scale, and relevance of Icinga to all areas of your business.

[H4] Explore Icinga
Dive into Icinga’s features and benefits

[H4] Infrastructure Monitoring
Observe your entire IT in one place.
Learn more

[H4] Monitoring Automation
Monitor massive amounts of data.Learn more

[H4] Cloud Monitoring
Monitor the private, the public and hybrid.
Learn more

[H4] Metrics & Logs
Get the context and recognize trends.Learn more

[H4] Analytics
Analyze your data and perform proactively.
Learn more

[H4] Notifications
Get alerted and react with confidence.
Learn more