Blog Entries

05. 09. 2023 Rocco Pezzani Development, NetEye

Upgrading to the New nep-setup on NetEye 4.31

After a first semester full of great opportunities (many colleagues like to say so), the wheels have started turning again for NetEye Extension Packs. Now, a big evolution is beginning: in the near future, NEP will encompass the entire NetEye infrastructure, meaning it will also configure and manage NetEye Satellites. To do so, the current…

Read More
12. 12. 2022 Mattia Codato NetEye, Unified Monitoring

ClickHouse – High Availability Cluster

As you have surely read from the release notes of NetEye 4.27, we have integrated ClickHouse to be able to use the historical flows and alerts feature of ntopng. What is ClickHouse? Directly from the official website: ClickHouse is a column-oriented database management system (DBMS) for online analytical processing of queries (OLAP). ClickHouse’s performance exceeds…

Read More
07. 07. 2022 Alessandro Valentini DevOps

My OpenShift Journey #1: Getting Started with a Cluster

Within our Research and Development team we maintain a set of both physical and virtual machines for many purposes: internal repository mirrors, CI/CD, testing, internal docker registry, etc… Maintaining them is demanding, especially considering that our infrastructure has grown over the years and was often configured by different colleagues using different software and tools. And…

Read More
30. 06. 2021 Andrea Avancini NetEye

The NetEye Upgrade Command: Tips & Tricks

Ever since NetEye 4.11, the NetEye upgrade procedure has been automated with the neteye upgrade command. This command performs several checks to ensure that: The currently installed version is eligible to obtain the upgrade The system is healthy The latest OS and NetEye updates and bug fixes have been installed Then, if the checks are…

Read More
05. 10. 2020 Michele Santuari Development, NetEye

Research Activities: A Fully Distributed NetEye

During the NetEye User Group in November 2019, I presented the future vision of a new, completely distributed architecture to allow more flexibility, performance and scalability. In particular, a more flexible and scalable architecture is helpful for large environments such as Managed Service Provider infrastructures or for monitoring solutions as a service (i.e., NetEye 4…

Read More
02. 10. 2020 Mirko Bez Log-SIEM, NetEye

NetEye SIEM Self-Security

NetEye SIEM is a very powerful tool that allows you to ingest logs from many different sources. However, by default it does not ingest the ssh-login attempts on the NetEye Servers themselves, nor does it check the integrity of important configuration files. In this blog post I will describe a procedure to configure an Auditbeat…

Read More
29. 04. 2020 Juergen Vigna NetEye

Adding a Node to a DRBD Device with Wrong max-peers

What is DRBD? DRBD is a distributed replicated storage system for the Linux platform. It is implemented as a kernel driver, several user-space management applications, and some shell scripts.  DRBD is traditionally used in high availability (HA) computer clusters, but beginning with DRBD version 9, it can also be used to create larger software defined storage pools with…

Read More
17. 12. 2019 Juergen Vigna NetEye, Predictive Analysis, Unified Monitoring

Monitor Cluster Disk Space with Icinga2

The Problem If you’re trying to monitor a Microsoft Cluster, you’ll surely want to monitor the disk space of a single cluster service. In this case there’s a problem with Icinga2 Agent:  you can’t use it with more than one IP address.  So you can’t simultaneously monitor the resources of the “physical” host and a…

Read More
21. 02. 2013 Juergen Vigna Downloads / Release Notes

Updated neteye-clustering-1.2.1 package fixing various issues

A new package neteye-clustering-1.2.1 has been released fixing this issues: – Small fix in neteye script – Small fix in nfs-mount and neteye-virtual-ip script creating and not deleting temporary files in /tmp – Moved neteye-init-cluster script to /opt/neteye/sbin out of normal PATH – Added solr directory to /data migration It also added this new feature:…

Read More