Blog Entries

01. 06. 2022 Benjamin Gröber Downloads / Release Notes, NetEye, Unified Monitoring

NetEye 4.24 Release Notes

Welcome to version 4.24 of our NetEye v4 Unified Monitoring Solution. In this release, NetEye hiked over the Seceda mountain, placed in Val Gardena/Grödental, to admire a wonderful view of the Fermeda pinnacles at sunrise. The Fermeda pinnacles, the southernmost ridge of the Odle group, offers an ideal environment to climbers, especially for ascents on…

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01. 04. 2022 Benjamin Gröber Downloads / Release Notes, NetEye, Unified Monitoring

NetEye 4.23 Release Notes

Welcome to version 4.23 of our NetEye v4 Unified Monitoring Solution. In the last two months, NetEye travelled from the western side of South Tyrol to eastern side, reaching the beautiful Lake Landro, located at more than 1,400 meters a.s.l. in the eponymous valley, near the municipality of Toblach/Dobbiaco. The lake is positioned between two…

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01. 02. 2022 Benjamin Gröber Downloads / Release Notes, NetEye, Unified Monitoring

NetEye 4.22 Release Notes

Welcome to version 4.22 of our NetEye v4 Unified Monitoring Solution. NetEye welcomes the new year and its new release with what is probably the most famous church tower in South Tyrol: the half-submerged steeple of the Resia Lake. The Lake Reschen, “Reschensee” in German and “Lago di Resia” in Italian, is located at the…

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01. 12. 2021 Benjamin Gröber Downloads / Release Notes, NetEye, Unified Monitoring

NetEye 4.21 Release Notes

Welcome to version 4.21 of our NetEye v4 Unified Monitoring Solution. NetEye welcomes the winter season and its new release with a majestic snowy panorama view on the Sassolungo/Langkofel range in the Dolomites Alps. Sassolungo/Langkofel is the highest mountain in the range, which also includes the Cinque Dita/Fünffinger and Sassopiatto/Plattkofel peaks and lays at the…

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29. 10. 2021 Benjamin Gröber Bug Fixes, NetEye

Bug Fixes for NetEye 4.19

A bug was fixed, where a DST change, caused the Icinga2 Master instance to not respect the timeperiod applied to services or downtimes. For NetEye 4.19 we updated the following packages: icinga2-neteye-config, icinga2-ido-mysql, icinga2-doc, icinga2-ido-pgsql, icinga2-debuginfo, icinga2-selinux, icinga2-common, icinga2, icinga2-devel, icinga2-resources, nano-icinga2, vim-icinga2, icinga2-autosetup, icinga2-bin to version 2.11.9_neteye1.35.3-1

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29. 10. 2021 Benjamin Gröber Bug Fixes, NetEye

Bug Fixes for NetEye 4.20

A bug was fixed, where a DST change, caused the Icinga2 Master instance to not respect the timeperiod applied to services or downtimes. For NetEye 4.20 we updated the following packages: icinga2-neteye-config, icinga2-ido-mysql, icinga2-doc, icinga2-ido-pgsql, icinga2-debuginfo, icinga2-selinux, icinga2-common, icinga2, icinga2-devel, icinga2-resources, nano-icinga2, vim-icinga2, icinga2-autosetup, icinga2-bin to version 2.11.9_neteye1.44.4-1

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01. 10. 2021 Benjamin Gröber Downloads / Release Notes, NetEye, Unified Monitoring

NetEye 4.20 Release Notes

Welcome to version 4.20 of our NetEye v4 Unified Monitoring Solution. NetEye welcomes the autumn and its new release with a majestic sunset panorama view on Seceda peak in Dolomites Alps. The Alpe di Seceda is located on the sunny side of Val Gardena, at the foot of the Parco Naturale Cisles-Odle (nature reserve). From…

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18. 08. 2021 Benjamin Gröber Bug Fixes, NetEye

Bug Fixes for NetEye 4.19

We fixed a bug in the Eventhandler daemon, which would start after a reboot without considering systemd targets or clustering. For NetEye 4.19 we updated the following packages: eventhandler, eventhandler-autosetup, eventhandler-neteye-config to version 1.7.8-1

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30. 09. 2020 Benjamin Gröber Development, NetEye

Tips & Tricks for Building RPM Packages

An RPM (RedHat Package Manager) package is the file format used by RHEL and CentOS, and their package manager yum (now called dnf). Since NetEye is based on CentOS, we use this standard package manager for distribution. How an RPM is constructed is defined in so-called spec files. In this blog post I’m going to…

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30. 06. 2020 Benjamin Gröber NetEye

Modernizing the NetEye 4 Technology Stack

Because of its open source nature, NetEye 4 combines loads of different technologies, which makes it impossible to identify “the” NetEye 4 Tech Stack. Based on RHEL/CentOS 7, most of the user-facing parts are written in, or at least proxied through, PHP, whereas there is no real common denominator for other backend services. This looks…

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31. 03. 2020 Benjamin Gröber NetEye

How to Couple systemd Services with a systemd Target Dynamically

When designing complex systems with a multitude of services, more often than not some of them logically form loosely coupled units. Usually these services should remain independent to a degree, i.e. free to be started or stopped independently. However, we also wanted a mechanism to command the loosely coupled unit as a whole. Sometimes however…

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23. 01. 2020 Benjamin Gröber NetEye

How to Use Tornado for event based monitoring with Icinga 2 (Part 2/2)

Tornado is the spiritual successor of the NetEye EventHandler. Tornado is an open-source, rule based Event Processing engine designed to handle up to millions of events per second. We can leverage this capability to ingest all possibly interesting events of our entire infrastructure, and react to the effectively interesting ones. In this blog post we…

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23. 01. 2020 Benjamin Gröber NetEye

How to Use Tornado for event based monitoring with Icinga 2 (Part 1/2)

Tornado is the spiritual successor of the NetEye EventHandler. Tornado is an open-source, rule based Event Processing engine designed to handle up to millions of events per second. We can leverage this capability to ingest all possibly interesting events of our entire infrastructure, and react to the effectively interesting ones. In this blog post we…

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10. 12. 2019 Benjamin Gröber Bug Fixes

Bug Fixes for NetEye 4.9

Fixed incomplete payload sent to tornado by snmptrapd collector For NetEye 4.9 we updated: tornado to version 0.18.2-1

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27. 09. 2019 Benjamin Gröber NetEye

Tornado – The Processing Tree

Tornado is the spiritual successor of the NetEye EventHandler. As such, we took inspiration from its limitations, picking the most interesting ones, and trying to optimize for these scenarios. One example of this is the Processing Tree. In the past, all rules had to be placed in one of four predetermined groups, and events ran…

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