Glossaire Archive | centreon

All articles by Franck Scope

Agent-based Monitoring

A method for IT monitoring which requires the installation and running of agent software on assets to monitor in order to collect performance metrics. The data those agents collected is then uploaded and stored to a management server. System administrators can then...

Agentless Monitoring

Agentless monitoring is an approach that allows to collect performance metrics from the infrastructure without having to install an agent software on the servers or devices being monitored. Many ITOM professionals will say that the agentless approach is easier to...

Alert Fatigue

Alert fatigue, also known as alarm fatigue, applied to IT infrastructure monitoring refers to the phenomenon of being desensitized to alerts due to the sheer number of them. Risks associated with alert fatigue range from missing on diagnosing important issues through...

Alert Management

Alert management refers to the ability to configure alerts in a way that minimizes the risk of alert fatigue and improves accountability and engagement of IT monitoring stakeholders. Good alert management practices also help to diagnose and fix issues faster.

Anomaly Detection

Anomaly detection is a capability of modern IT infrastructure monitoring that is driven by AIOps. It works by comparing current data to historical trends, sending an alert when unusual activity is detected. The Anomaly Detection feature may for example leverage...

Apache Webserver Monitoring

Apache is a free open source web server software that runs on 67% of all web servers in the world, including WordPress hosting providers. In the Centreon universe, a plugin allows for monitoring Apache Webserver Monitoring.


App-centric refers to a view that provides visibility into an application’s need in terms of resource requirements. It can be for example memory, CPU or bandwidth. This view is allows to capture the metrics that help ensure applications have the optimal resource level...

Application Discovery, Tracing, and Diagnostics (ADTD)

A recent evolution of application performance, part of Gartner’s Magic Quadrant for Application Performance Monitoring Suites, Application Discovery, Tracing, and Diagnostics (ADTD) is the umbrella term for three dimensions of APM: application topology discovery and...

Application performance monitoring (APM)

Application performance monitoring refers to processes and software tools that are used to ensure end users enjoy the quality of service they need from their essential business applications. In virtual environments, application monitoring tools are also used to track...

Application Program Interface (API) Monitoring

API Monitoring is the practice that provides visibility into the performance, availability and functionality of application program interfaces (API), which are a set of rules and tools that determine software components interactions. The data collected at the API...

Application Server Monitoring

Application Server Monitoring refers to the process and the tools that ensure server, services, and application availability. Advanced real time-server monitoring allows to follow important metrics to ensure service is delivered to users: Memory utilization Disk I/O...

Artificial intelligence for IT operations—AIOPs

AIOPs refers to a range of big data analytics, such as machine learning (ML) and other artificial intelligence (AI) technologies that are leveraged to automate the diagnosis and resolution of IT system incidents or issues. The raw material for these technologies is...

Auto discovery

Availability refers to a classic metric that says whether or not a given IT resource or service is running.

Availability Monitoring

Availability monitoring focuses on the prevention of downtime by monitoring the uptime of infrastructure of individual components, for example servers and apps. Availability issues can be caught on time before they impact the business.

AWS Application Monitoring

AWS application monitoring is about checking the availability and performance of applications that have components running on Amazon Web Services (AWS). AWS application monitoring is an essential part of detecting potential application performance problems across AWS...

AWS Monitoring

AWS monitoring looks at Amazon Web Services (AWS) assets to spot and analyze potential issues in that environment. A good practice to help reduce mean time to repair and enhance end-user experience for services running on AWS, this specific type of monitoring allows...

Cloud Monitoring

Cloud monitoring refers to tools and processes that track and analyze cloud-based infrastructure availability and performance. Ideally, a cloud monitoring solution should not be limited to the cloud, but integrate the monitoring of on-site infrastructure as well. This...


Cloud-to-edge refers to highly distributed architecture that spans the cloud up to systems or equipment that are closest to the end user.

Container Monitoring

Container monitoring is the process by which the performance of containerized applications is tracked, providing key metrics and allowing to map and visualize transactions. Microservice architectures are commonplace in the modern digital environment, and DevOps teams...

Customer-centric monitoring

Customer-centric monitoring is a process through which the performance of the IT system is assessed by adopting the perspective of the end-user experience using a given IT service or resource.

Data center infrastructure management (DCIM)

Data center infrastructure management (DCIM) was born from the convergence of IT and the management of building facilities functions to match computing needs of businesses. The main objective of DCIM is to provide a holistic view of a data center’s performance up to...

Data center monitoring

Data center monitoring is a process through which the status and performance of a data center is controlled and managed. Specific metrics are tracked in real time and alerts or notifications are sent if preset thresholds are not met. The data that is captured from...

Database Monitoring

Database monitoring is the process by which the performance of a given database is assessed in real time. The goal is to ensure a database server is functioning optimally, both in terms of software and hardware. On top of providing the visibility to troubleshoot and...

Database Monitoring Tools

Database monitoring tools are used to track the health status and performance of databases in real time. These tools are essential to spot and fix issues as well as to improve performance on an ongoing basis. Centreon includes database monitoring tools using a wide...

End user

End user refers to the final user of an IT service, whether a company’s customer or employee or anyone using the service on behalf of the final user.

Enterprise Monitoring System

Enterprise Monitoring System (EMS) refers to a set of IT infrastructure monitoring tools that capture the availability of the IT infrastructure components that are either residing in a data center or are hosted in the cloud. These tools monitor and collate the...


Entity-centric refers to a type of IT monitoring that tracks CPU, memory, storage or bandwidth at the level of individual equipment. The process returns metrics which help measure resource utilization of each element within an IT system.

Hardware Monitoring

Hardware monitoring refers to the ability to to monitor the health status and performance of the hardware components running operating systems. Typical indicators include Temperature, Fan usage and power consumption. The Centreon platform has a dedicated “Hardware”...

High Availability (HA)

A system or application that needs to be continuously operational. Availability is most often measured or ranked as a percentage of uptime in the course of a year. For example, if an application or server are deemed to have perfect high availability, they’ll be...

Hybrid IT

Hybrid IT refers to IT architectures that mix a variety of on-premise and cloud-based services.

Incident Management (IM)

Incident management (IM) refers to the practice of restoring services as quickly as possible after an incident. By extension, it refers to the ability to diagnose and escalate the procedures that are necessary to restore service.

Infrastructure Monitoring Management (ITIM)

Infrastructure Monitoring Management (ITIM) refers to a process and a range of software tools that collect, map, analyze and share data from a diversity of IT devices and applications to ensure IT infrastructure—and the critical business activities that depend on the...

Internet of Things Monitoring (IoT Monitoring)

Internet of Things Monitoring (IoT Monitoring) is an emerging process that consists of monitoring both the equipment (checking for status, battery levels, GPS location, etc.) and the specialized IT infrastructure and applications it uses to send the data it...

IT infrastructure Analytics

IT infrastructure refers to the analysis of data from the hardware, software, network, storage, application and compute resources. IT professionals use IT analytics to ensure their infrastructure is optimized, Service Level Agreements are met and that application...

IT Monitoring

IT monitoring focuses on mapping, analyzing and sharing data from a diversity of IT devices and applications to ensure IT infrastructure—and the critical business activities that depend on the IT system, are running at peak performance and that IT service is delivered...

IT operations analytics—ITOA

Method or software tools to analyze the high volume of raw data returned by IT system availability and performance monitoring to automatically uncover insights or patterns which can then be used to predict and prevent disruptions or enhance service. New generation of...

IT operations management—ITOM

IT Operations Management (ITOM) focuses on the attribution, deployment, monitoring and management of IT resources supporting digital business processes (internal or customer-facing). The IT Operations Management team is a stakeholder for full stack monitoring and...

IT Service Management – ITSM

IT service management (ITSM) refers to the full range of activities that are performed by an organization to design, plan, deliver, operate and control IT services offered to end users (or customers). ITSM is highly organized and structured by policies, processes and...

Kubernetes monitoring

Kubernetes is an open-source orchestration system for automating application deployment, scaling, and management running in a containerized environment. Its development and design are heavily influenced by Google’s Borg system, referring to the character Seven of Star...

Linux Server Monitoring

Linux Server Monitoring is a process that provides visibility on the key functioning and performance metrics of Linux operating systems and distributions such as: Debian, Ubuntu, CentOS, Red Hat, Madriva, Fedora, SUSE, CoreOS, Raspberry Pi, and Arch Linux ARM.

Nagios alternative

Nagios is an open source IT infrastructure monitoring solution that has been around for a long time to help organizations identifying and resolving IT infrastructure issues. However, IT infrastructure monitoring has evolved to integrate a new set of capabilities, from...

Network analytics

Network analytics is the discipline that applies big data principles and tools to manage networks and monitor for their reliability and security.

Network Monitoring

Network monitoring is the act of continuously monitoring a computer network to ensure there is no disturbances or failures in its components. Network administrators are alerted when an issue is suspected for quick diagnosis and resolution.

Network Performance

Network performance is an indication of the status and health of a network. It is expressed in many different ways. Bandwidth, throughput, latency, and jitter, for example, are common measurements.

Network performance monitoring

Network performance monitoring is the continuous process by which the performance of a computer network is visualized, checked, and reported on to keep track of the general performance and quality of service delivery. Typically, network performance monitoring is done...

Network performance monitoring and diagnostics (NPMD)

Network performance monitoring and diagnostics (NPMD) are a set of processes and tools that IT operations use to understand and visualize the performance of applications, the network, and infrastructure components. These tools can also track the quality of end user...

Network Scanning

Network scanning is a procedure that is used to find active hosts on a network to assess the security of a network.

Network visibility

Network visibility refers to the ability to see how data is collected, aggregated, and to the proper network monitoring tools so I&O can keep an eye on network traffic, network performance, network resources and monitored applications.


A node is an active electronic device that is attached to a network. It can emit, receive, or transmit data.

Open Hardware Monitor

Open Hardware Monitor is a free open source software that monitors temperature sensors, fan speeds, voltages, load and clock speeds of a computer.

Open source monitoring

Open source broadly refers to software for which the original source code is made freely available and may be redistributed and modified. Open source IT infrastructure monitoring solutions offer the advantage of providing users with the flexibility to adapt their...

Oracle Database Monitoring

Oracle Database Monitoring is a process that helps ensure you stay aware of database performance and get continuous updates on system changes. Use the Centreon Oracle plugin pack to monitor your Oracle database.

Performance measurement

Performance measurement is an ongoing process which focuses on specific and predefined performance indicators at which a given equipment or service is expected to be running.


Prometheus is an open-source Time-Series Database (TSDB) and a graduated project of the Cloud Native Computing Foundation, along with Kubernetes. See this tutorial for more information on monitoring Prometheus.

Real-Time Analytics

Real-Time Analytics refers to the ability to leverage available enterprise data, including streaming data, to make better and timelier decisions, as the action unfolds.

Remote Monitoring and Management (RMM)

Remote monitoring and management (RMM) is the process by which it is possible to manage a computer or a network remotely through locally installed software agents. These remote agents help install new or updated software, check for threats, and provide analytics for...

Server Monitoring

Server monitoring is the process by which the infrastructure or development team is tracking and fixing server-related issues.

Server Monitoring Software

Server monitoring software are tools employed by ITOps to manage servers, diagnose and correct server issues. They are usually used for a diversity of hardware platforms and operating systems. DevOps also use these tools when deploying and managing servers to match...

Serverless Computing

Serverless computing is an execution model that is based on the cloud provider taking charge of the back-end capabilities needed for an application to run (compute or storage). Rather than depending on prepaid capabilities, the cloud provider runs the server and...

Service Level Agreement (SLA)

A contract between a service provider or vendor and the customer that defines the level of service expected. SLAs are service-based and specifically define what the customer can expect to receive.

Service Mapping

Monitoring IT services as a composite by grouping all the underlying infrastructure components, identifying their logical relationship and mapping dependencies to identify causality. Facilitates root-cause analysis, keep track of Service Level Agreements, report on IT...

Service maps

A logical grouping of IT and application availability and performance metrics which relate to an identifiable service that is used to perform specific business activities. In the Centreon platform, Service Maps are called Business Activities.

SQL Monitoring

SQL Monitoring is a process that allows to spot and diagnose issues that are affecting data the database server performance. Metrics such as longest running transactions, buffer cache hit ratio, available memory, processor utilization, page life expectancy, database...

SQL Server Monitoring

SQL Server monitoring is a process that is used for the real time collection and analysis of usage, performance and event metrics for Microsoft SQL Server. The information is used to enhance performance and capabilities.

Storage Area Network (SAN)

Storage area network (SAN) is a network of storage devices which are shared by servers. It is used to offer storage blocks which can be accessed by the applications running on networked servers. Typically, the deployment of failover clusters requires SAN.

User Experience Monitoring

User experience monitoring is a way to look at the performance of complex digital infrastructure by looking at the perception of the end user on the service delivery. This is accomplished with advanced and integrated monitoring tools that connect infrastructure...

Virtualization Monitoring

Virtualization monitoring is an activity that concerns specifically virtual infrastructures. It is typically offered by the infrastructure provider as a limited service. These product-specific virtual solutions are static and do not allow to view the rest of the IT...

VMWare Monitoring

VMware is a virtualization solution provider that also offers several tools to help you monitor your virtual environment and to locate the source of potential issues and current problems. It let you to see performance data on a variety of system resources including...

Web Server Monitoring

Web server monitoring is the process of monitoring the status and performance of a web server, tracking KPIs such as number of hits, requests, amount of data transmitted, as well as CPU time consumed by it to handle requests from users.

Website monitoring

Website monitoring is the act of testing uptime, availability and performance of one or many websites to check that performance and functionality remain at the expected levels.

Workload-centric Monitoring

Workload-centric refers to an IT monitoring approach which focuses on the health status and consumption of resources of a given system or service from the dynamic perspective of the workflows that are supported by it. Multiple workflows running on multiple IT systems,...