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…
Read MoreAs 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…
Read MoreAs 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…
Read MoreIn 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…
Read MoreSometimes 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…
Read MoreThe 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…
Read MoreCurrently, 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….
Read MoreToday 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…
Read MoreSynopsis 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….
Read MoreSynopsis Important: lampod security update Type/Severity Security Advisory: Important Topic An update for the package lampod 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….
Read MoreThe example project used in this article is available on GitHub. A few months ago I started exploring Cockpit and the first thing I noticed is how every single Cockpit module is made with React. Why doesn’t anybody use Vue.js and/or TypeScript in Cockpit? Let’s start with the basics: what is Cockpit? Quoting RedHat: Cockpit…
Read MoreIn my previous blog-post I wrote an introduction to pipelining in OpenShift. This blog post is a follow-up to explain how to trigger a pipeline automatically. Tekton triggers are quite complex and need some explanation in order to be understood. To trigger a pipeline you need several components. In the graph below you can see…
Read MoreWe have released a fix for a problem related to RedHat subscriptions. Updated packages We updated the following packages:
Read MoreWe all know that NetEye can grant access to its Web Interface through local users, or through the use of LDAP queries that can filter and grant GUI access to users or groups of a given Active Directory domain. What I would like to explore today is the possibility of granting SSH access and elevating…
Read MoreWelcome to version 4.30 of our NetEye v4 Unified Monitoring Solution. In this release, NetEye goes to one of the most famous places in the Alps: the “Tre Cime di Lavaredo” or “Drei Zinnen”. They are considered among the best-known natural wonders in the world, as well as being one of the UNESCO World Heritage…
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