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MongoDB: MongoDB for VS Code overview

Introduction: Users are always searching to ease their life when using their favorite Nosql tool such as MongoDB. Current methods are fine but what if you want to go further when developing on MongoDB?Is their any way to(…)

My JVM Memory Analyzes Toolkit

One of the most common errors while running an application is “out of memory”. And Java is no different besides errors being named exceptions. The exact exception name you might have encountered is: java.lang.OutOfMemoryError And, in most cases,(…)

Control-M /EM: “Failed installing PostgreSQL database” error message

Introduction: During a Control-M installation, you can face some issues, sometime it’s due to a lack of prerequisites ( Keep the best practices and be sure to follow the advice from BMC site experts, take a look on the(…)

Zabbix Proxy

Among the different packages provided by Zabbix, one arouse my curiosity: Proxy. What is its purpose? When to use it? How to install it? I will cover these in this blog post. Intention There are multiple reasons to(…)

PostgreSQL: System catalog modifications are currently disallowed

Today at a customer I faced this: “System catalog modifications are currently disallowed” which, honestly, I’ve never seen before. Why would someone try to modify the system catalogs, at least in a productive environment? It turned out to be(…)

Nagios Remote Plugin Executor and EV Observe

Nagios Remote Plugin Executor, in short NRPE, is the nagios server plugin required to call script hosted on agents we want to monitor. You might wonder why I would try this agent when I am not using Nagios server.

Instrument your python application with Prometheus (Part1)

We continue our blog series about Prometheus, today addressing a particularly interesting but often overlooked topic: Prometheus Instrumentation. What does that mean? I’m not telling you anything new when I say that Prometheus allows you to collect(…)

SQL Server Tips: CMS – Connection Error: -2146893019 Severity: 20

Few days ago, I install new instances SQL Server 2022 and the new SSMS by a customer and when I register the instances in the Central Management Servers (CMS), I was surprise by the error coming from the connection(…)

Kubernetes Certificates Overview and Regeneration Example

Kubernetes certificates is a very important subject matter as it protects the communication of the components inside your cluster. However it is not a very popular topic as it could be quite confusing and adds more complexity to an(…)

Monitoring Scripts with Zabbix

In a similar manner as in this Prometheus blog, you might want to monitor scripts which are short living or do not fit the pull-model (Server pulling from agent). Thus, it can use the push(…)