Blog entries by technology: grafana

16. 05. 2023 Attilio Broglio NetEye, Unified Monitoring

Grafana and Icinga Agent Version

Monitoring systems acquire information from various devices in different ways: API, SNMP, syslog, etc. One of the most important methods in Icinga-based systems like NetEye is the Icinga Agent. This agent is installed on each server and collects and sends information to the master NetEye node using secure protocols. When we work within a small…

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03. 05. 2023 Davide Sbetti Anomaly Detection, ITOA, NetEye

A Simple Grafana Data Source for Outlier Detection (POC) – Part 2

In my previous post, we saw how it’s possible to build a simple Grafana Data Source Plugin, which we can use to read data from whatever source we’d like to use. In particular, we used it to read data from a simple web service we created so we could expose data containing some outliers. In…

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27. 03. 2023 Davide Sbetti Anomaly Detection, ITOA, NetEye

A Simple Grafana Data Source for Outlier Detection (POC) – Part 1

In this article, I’d like to step through the development of a simple Proof of Concept (POC) Grafana data source with you where we retrieve data from an API, apply an outlier detection technique, and then visualize the end results in a dashboard. So… let’s begin! Note: All the code discussed in this blog post…

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15. 02. 2023 Giovanni Davide Saccá NetEye, Unified Monitoring

Grafana: InfluxDB Query to Extract More Than a Single Metric in a Single Panel

A particular client who operates as an ISP for its customers and corporate departments requested the ability to summarize and display, in convenient graphs, a few metrics related to the bandwidth delivered on switch ports, where the available gateways provide connectivity. The first activity I undertook was to obtain the MIB files and OIDs from…

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23. 12. 2022 Valentina Da Rold Development, ITOA, NetEye

Configuring ClickHouse as an Additional Data Source in Grafana

As mentioned in my colleague Mattia’s blog, NetEye 4.27 comes with a ClickHouse database pre-installed.If you follow that post, you will be able to customize NetEye in order to save data inside a ClickHouse database. Your data is now ready to be visualized on a dashboard, and you can accomplish this by configuring the ClickHouse…

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22. 12. 2022 Andrea Mariani ITOA, NetEye

Exporting Grafana Graphs to CSV

Some time ago, a customer asked me if it was possible to export the data used by NetEye 4 Performance Graphs to CSV format. In particular, the performance graphs that are displayed within Icinga 2’s web interface currently have no option to export their data. After some research, I found that the only way to…

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02. 11. 2022 Mirko Morandini ITOA, NetEye

Creating Compelling Stacked Bar Charts with Grafana

Grafana is an open source data visualization application that is widely used for displaying interactive monitoring and service dashboards. It focuses on a high-performance visualization of time series data, such as network throughput, access time, or CPU performance data. For this, it connects to specific time series databases such as InfluxDB, but also to common…

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13. 06. 2022 Giovanni Davide Saccá ITOA, NetEye, Unified Monitoring

Grafana for nTop: Realizing a Dashboard

A customer with a NetEye installation to which I had added the nTop module asked me if I could integrate nTop’s Grafana Dashboards, so they could view them by consulting NetEye’s ITOA Menu. The installation and configuration of nTop for this client, a task I had already conducted some time ago, was a matter of…

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06. 07. 2021 Lorenzo Candeago ITOA

Continuous Deployment for Grafana Dashboards using Jsonnet and Jenkins, Part 2

In my previous blog post, I introduced our scenario: in a private cloud context, we want to deploy a dashboard for multiple clients created using Grafana, InfluxDB and Telegraf for SQL performance monitoring. We saw how to write a Grafana dashboard programmatically using Jsonnet and upload it to Grafana using the Grafana API. In this…

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06. 07. 2021 Lorenzo Candeago ITOA

Continuous Deployment of Grafana Dashboards Using Jsonnet and Jenkins, Part 1

Say we want to monitor the disk latency of SQL Servers or other Windows Performance Counters in a private cloud context, and plot the results for users of our performance management platform who likely work in different companies. InfluxDB, Telegraf and Grafana are the right tools to achieve this, and with the power of Flux,…

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28. 05. 2021 Juergen Vigna Contribution, ITOA, NetEye

Monitoring Host Availability inside Grafana

A frequent request I get is how to view the availability of hosts and/or services within a Grafana dashboard. Here I demonstrate how to do this for host availability. To implement this, we first create a new table in our MariaDB on NetEye. I’ll call this table host_daily_sla and put it in the pre-existing reporting…

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25. 03. 2021 Valentina Da Rold Development, ITOA, NetEye

How to Customize a Grafana Component

I’ve been working with Grafana since 2017, when I started as a Frontend Developer here at Wuerth Phoenix.I typically take care of the customization of the Grafana User Interface, with the goal of reflecting the NetEye look and feel inside Grafana, aka the ITOA module. I’ve already written about a simple way to customize the…

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23. 12. 2020 Stefano Bruno NetEye, Unified Monitoring

The NagVis module: Adding a Grafana Panel on Mouse-over

Hi everyone, in this article I want to tell you about the NagVis module and how we’re going to customize a template so that it can allow us to modify the information displayed during mouse-over (hover). Basically, what we’ll try to achieve will be to preview the performance graphs written on Influx via an additional…

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10. 12. 2019 Luca Franzoi Downloads / Release Notes, ITOA, NetEye, Unified Monitoring

Grafana User Management Deprecation in NetEye 4.10

A manual user configuration migration is required before upgrading to 4.10. Starting in version 4.9, NetEye supports Grafana user management, which is completely integrated into NetEye via its existing roles mechanism. NetEye administrators can create new roles that map to Grafana roles (admin, editor or viewer) at the level of organizations and teams. NetEye users must then be…

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08. 07. 2019 Tobias Goller ITOA, NetEye

Exporting Grafana Graphics as a PDF

Ever since they began using Grafana Dashboards in the NetEye monitoring system, my customers have asked again and again whether they can create PDF files of what they see on their Grafana Dashboards. This request must be understood clearly. The use of Grafana dashboards by IT staff is very popular, for reasons such as its…

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