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Elasticsearch Upgrade – What about index compatibility?

Upgrade Elasticsearch is an easy task, I always heard this sentence. Which is correct if you take care about indices and compatibility. At a customer, I had the chance to upgrade an old version of Elasticsearch, today I will share(…)

Oracle Database monitoring with Zabbix

Zabbix comes with an Oracle Database monitoring template out-of-the-box, so it should not be too complicated to integrate one server. Nevertheless, I faced a few issues while trying to setup one and I will detail these steps below. Agent Installation(…)

Elasticsearch queries: Domain Specific Language (DSL)

There are several query languages to query Elasticsearch (e.g. KQL, EQL, DSL, aso), in this blog I will speak about Domain Specific Language (DSL) which is the most flexible and gives access to all Elasticsearch options!(…)

Migrating Monitoring Data from Prometheus to VictoriaMetrics

Now that we know the advantages of VictoriaMetrics over Prometheus (see my previous blog post), we have to find a way to migrate data between the two. If you have the default retention set in Prometheus(…)

JBoss EAP vs. WildFly : What’s the difference?

I heard the following question a lot, what is the difference between JBoss EAP and Widfly? It is a very good question which deserves a detailed answer, that's what I will try to do throw this article!(…)

Prometheus vs VictoriaMetrics

As I went through many monitoring tools recently, I found that Prometheus is a de facto standard. At least from the way it is working. It is even a so strong standard that other Time Series Database (TSDB), like(…)

AWX log keeper.

The aim of this project is to use Ansible role to export AWX logs on disk, on daily basis, to have an easy access for debug and investigation.

Using WebHook’s from GitLab to execute external code and tools

by Alexandre Nestor Introduction WebHooks are HTTP callbacks that are triggered by events. In case of GitLab these can be events like pushing some code, or creating an issue, or pushing some comments. In this quick post I will(…)

Installing Oracle 23c Free developer release on Proxmox

Oracle provides an OVA (Open Virtual Appliance) file to install the 23c Free Developer Release on Virtualbox. An OVA file contains metadata and file elements in the Open Virtual Format (OVF) to package and distribute one or more virtual machines.

SNMP Monitoring with Prometheus

It is not always possible to install an exporter on the server or equipment you must monitor, either because you don’t administrate that server, or it cannot run an exporter (ie. device with limited resources). For that purpose, two exporters(…)