Blog entries by technology: Redhat

06. 10. 2023 Lorenzo Candeago Development, DevOps

How to Test Beta Repos for RedHat 8.9 in a Container

We wanted to test the new RedHat 8.9 beta releases, but RedHat doesn’t currently provide a beta container. How can we do it anyway? Please note that this procedure is not officially supported by RedHat. As a first step, we want to retrieve the package redhat-release from the rhel 8.9 beta ISO, in the directory…

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01. 03. 2023 Tobias Goller NetEye

Enable DNS Caching on RedHat 8

I was recently with a customer when he pointed out to me that his NetEye 4 system with its RedHat 8 operating system was sending an extremely large number of DNS queries to the DNS servers. After quickly analyzing the situation I found that RHEL does not cache DNS queries by default. Obviously the customer…

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21. 10. 2022 Tobias Goller NetEye

GlusterFS on NetEye 4 and RedHat 8

As you’ve probably read in a previous blog by my colleague Jürgen Vigna, we use GlusterFS for particular requirements in our NetEye 4 cluster environments. After we completed the migration from the operating system CentOS 7 to RedHat 8, a few small things have changed or been updated. For all those who are new to…

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22. 08. 2022 Tobias Goller NetEye

NetEye Upgrade to RedHat 8 – My Experience

As you probably all know, a new NetEye version is released every two months. For this reason I’d like to emphasize that we recommend regular updating of your NetEye system. In particular with version 4.23 we released a major update of the operating system from CentOS 7 to RedHat 8. Since we’re doing a lot…

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07. 07. 2022 Lorenzo Candeago DevOps

How to Use a Host’s Redhat Subscription to Run Containers Using Docker instead of Podman

In NetEye 4.23 we shifted our base containers from CentOS to RedHat Enterprise Linux. Within our NetEye image and container we ship packages that come from RedHat Enterprise Linux’s private repositories and are thus subject to subscription, hence we need a way to be able to use our subscription when building NetEye containers. RedHat allows…

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13. 12. 2019 Juergen Vigna Log-SIEM, NetEye, Unified Monitoring

Securing scp/sftp Access to Your Centos7/Redhat7 Server

Sometimes you just need to temporarily grant access to a user to copy some files to your server. But no user should have access to the shell. For sftp this is quite simple (see below), but for scp it’s not that trivial. Also, you probably want to set the user up in a directory with…

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28. 12. 2023 Davide Gallo Cloud, ITOA, NetEye

Using Jinja2 to Automate Configuration Files

As you may know, NetEye Cloud is our multi-tenant SaaS solution for monitoring your infrastructure. It’s crucial to us for keeping every tenant aligned with the latest configurations and patches. We’ve managed to automate and align the agents via Desired State Configuration (DSC) and Ansible, but we still had to manually check those agents’ configurations….

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20. 12. 2023 Alessandro Mizzaro Bug Fixes, NetEye

NetEye 4 – Security Advisory

Important: NagVis Security Update Type/Severity Security Advisory: Important Topic An update for the package nagvis is now available for NetEye 4. NetEye Product Security has rated this update as having a security impact of Important. Common Vulnerability Scoring System (CVSS) base scores provide additional guidance about a vulnerability and give a detailed severity rating. Description…

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01. 12. 2023 Mattia Codato Downloads / Release Notes, NetEye, Unified Monitoring

NetEye 4.33 Release Notes

Welcome to version 4.33 of our NetEye v4 Unified Monitoring Solution. With this release, NetEye welcomes Winter with a spectacular view of St. Jakob Church. It is located in Ortisei (or St. Ulrich in German), a small village in Val Gardena (Gröden in German) perfect to stroll about in, discover new things, and fall in…

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01. 12. 2023 Mattia Codato Bug Fixes, NetEye

Bug Fixes for NetEye 4.32 – 4.31 – 4.30 – 4.29 – 4.28 – 4.27 – 4.26 – 4.25 – 4.24

We have released a fix for a problem related to RedHat subscriptions. Updated packages We updated the following packages:

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28. 11. 2023 Alessandro Valentini DevOps

My OpenShift Journey #7: Enabling Persistent Monitoring

Some days after installing an OpenShift cluster you may notice a warning related to insights: the system is complaining because metrics are not stored in a persistent way and a restart of the container may cause the loss of metrics. In OpenShift it is possible to configure several custom metrics. In this post I will…

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01. 10. 2023 Elena Valgoi Events, NetEye, SEC4U, Unified Monitoring

NETEYE USER GROUP 2023… #italianedition

The event of the year, the NetEye User Group, is back! The User group is not only a chance to inform our customers about new products and releases, but also an occasion to meet and exchange feedback and ideas. This year the NetEye Usergroup took place in Rocca Sveva, a centuries old villa located in…

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12. 09. 2023 Davide Gallo Contribution, DevOps, NetEye

Automating Icinga 2 Deployment on Linux Systems

Currently, deploying an Icinga 2 Agent on a Linux system can be intricate, given the substantial variations in the process across different releases or OS families. For instance: Fortunately, there’s no need to develop and maintain a custom script to manage these diverse scenarios. We can leverage the readily available Ansible Plugins for this purpose….

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25. 08. 2023 Lorenzo Candeago DevOps

Debug and Workarounds for a Stuck Update on OpenShift 4.13.6

Today we wanted to update our OpenShift cluster, and after a while we came up against the following error: Not good… Let’s start by checking the clusterversion to investigate if we can find any errors: By analyzing the logs further we found the following error: it seems like the openshift-etcd-operator is not able to deploy…

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01. 08. 2023 Alessandro Mizzaro Bug Fixes, NetEye

NetEye 4 – Security Advisory

Synopsis Important: GLPI security update Type/Severity Security Advisory: Important Topic An update for the package glpi is now available for NetEye 4. NetEye Product Security has rated this update as having a security impact of Important. Common Vulnerability Scoring System (CVSS) base scores provide additional guidance about a vulnerability and give a detailed severity rating….

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