Blog Entries

27. 09. 2022 Davide Sbetti Bug Fixes, NetEye

Bug Fixes for NetEye 4.24

We fixed a bug, where on clusters some services could have been started, by some system packages configuration, before the corresponding drbd were mounted. For NetEye 4.24 we updated the following packages: httpd-neteye-config, httpd-neteye-config-autosetup to version 1.12.1-1 nginx-neteye-config, nginx-neteye-config-autosetup to version 1.7.1-1

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19. 09. 2022 Davide Sbetti Log-SIEM, Machine Learning

Elasticsearch ML Models and Inference: Real-Time Classification

In a previous article, we explored the Machine Learning capabilities of Elasticsearch, which allowed us to apply anomaly detection techniques to our data, and helped us discover some really interesting facts as a result of our analysis. But can we take that idea even further? For instance, could we use data we’ve already collected to…

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09. 08. 2022 Davide Sbetti Bug Fixes, NetEye

Bug Fixes for NetEye 4.24

We fixed a bug that prevented the installation of the perl-JSON-XS package, which can be required by external checks. We fixed two bugs in the Eventhandler. One bug causing a certificates verification error while using the GUI and another one causing the Eventhandler GUI to freeze when a particular race condition was encountered. For NetEye…

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09. 08. 2022 Davide Sbetti Bug Fixes, NetEye

Bug Fixes for NetEye 4.23

We fixed a bug that prevented the installation of the perl-JSON-XS package, which can be required by external checks. We fixed two bugs in the Eventhandler. One bug causing a certificates verification error while using the GUI and another one causing the Eventhandler GUI to freeze when a particular race condition was encountered. For NetEye…

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11. 07. 2022 Davide Sbetti Bug Fixes, NetEye

Bug Fixes for NetEye 4.22

We fixed a problem related to the RHEL 8 repos enabling on the various system which, based on their role in the NetEye installation, will be associated to a specific subscription that covers only the set of repos required by the specific role. For NetEye 4.22 we updated the following packages: neteye-setup to version 1.83.5-1…

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11. 07. 2022 Davide Sbetti Bug Fixes, NetEye

Bug Fixes for NetEye 4.23

We fixed a problem related to the RHEL 8 repos enabling on the various system which, based on their role in the NetEye installation, will be associated to a specific subscription that covers only the set of repos required by the specific role. For NetEye 4.23 we updated the following packages: neteye-setup to version 1.85.7-1…

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11. 07. 2022 Davide Sbetti Bug Fixes, NetEye

Bug Fixes for NetEye 4.24

We fixed a problem related to the RHEL 8 repos enabling on the various system which, based on their role in the NetEye installation, will be associated to a specific subscription that covers only the set of repos required by the specific role. For NetEye 4.24 we updated the following packages: neteye-setup to version 1.86.4-1…

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05. 07. 2022 Davide Sbetti Bug Fixes, NetEye

Bug Fixes for NetEye 4.23

We have fixed a problem related to a Perl dependency which was causing issues in forwarding snmptrap events to Tornado. For NetEye 4.23 we updated the following packages: eventhandler, eventhandler-autosetup and eventhandler-neteye-config to version 1.8.1-1 neteye-setup to version 1.85.6-1

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05. 07. 2022 Davide Sbetti Bug Fixes, NetEye

Bug Fixes for NetEye 4.24

We have fixed a problem related to a Perl dependency which was causing issues in forwarding snmptrap events to Tornado. For NetEye 4.24 we updated the following packages: eventhandler, eventhandler-autosetup and eventhandler-neteye-config to version 1.8.1-1 neteye-setup to version 1.86.3-1

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21. 06. 2022 Davide Sbetti Log Management, Log-SIEM

Elastic Transformations: How to Aggregate and Enrich Your Data

In a previous article I analyzed how you can create effective visualizations in Kibana, and how to apply machine learning jobs with the goal of extracting as much information as possible from our data. However, you can also think of data as a raw material, which sometimes needs to be transformed and manipulated before allowing…

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29. 04. 2022 Davide Sbetti Bug Fixes, NetEye

Bug Fixes for NetEye 4.22

We fixed a bug in the grafana-panel-renderer and SLM which prevented silently the generation of resource reports if one of the corresponding requests to Grafana exceeded a certain timeout. For NetEye 4.22 we updated the following packages: grafana-panel-renderer to version 1.2.3-1 icingaweb2-module-slm, icingaweb2-module-slm-autosetup to version 4.18.6-1

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29. 04. 2022 Davide Sbetti Bug Fixes, NetEye

Bug Fixes for NetEye 4.23

We fixed a bug in the grafana-panel-renderer and SLM which prevented silently the generation of resource reports if one of the corresponding requests to Grafana exceeded a certain timeout. For NetEye 4.22 we updated the following packages: grafana-panel-renderer to version 1.3.2-1 icingaweb2-module-slm, icingaweb2-module-slm-autosetup to version 4.19.2-1

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22. 04. 2022 Davide Sbetti Bug Fixes, Icinga Web 2, NetEye

Bug Fixes for NetEye 4.22

We fixed a bug that caused an error when generating a resource report in SLM with a large number of panels. For NetEye 4.22 we updated the following packages: icingaweb2-module-slm,icingaweb2-module-slm-autosetup to version 4.18.4-1 grafana-panel-renderer to version 1.2.2-1

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29. 03. 2022 Davide Sbetti Machine Learning, NetEye

Data Exploration in Kibana: from a Simple Visualization to Anomaly Detection

These days we live in a data-driven world, where the collection and analysis of data empowers not only companies but also individuals to plan future actions based on the information that is extracted. NetEye enables both the collection and analysis of an enormous amount of data using various platforms, such as Kibana, for data written…

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01. 02. 2022 Davide Sbetti Bug Fixes, NetEye

Bug Fixes for NetEye 4.21

We fixed a bug in Neteye 4.21 that made the JWT authentication fail on the first try in case an existing backend, different from the standard one provided by Neteye and placed before it in the authentication ini file, failed. For NetEye 4.21 we updated the following packages: icingaweb2-module-neteye and icingaweb2-module-neteye-autosetup to version 1.103.3-1

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