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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(…)

All about how Docker containers and data are stored on its host

You’ve probably already heard about containers and one of the most popular tool used to create them: Docker. You may wonder how a container stores data on its host, if those data are persistent, if(…)

Database Check for a one-to-one Migration with OMrun

Procedure to check a one-to-one migration between different database types autogenerated and generically with OMrun.