All articles

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(…)

PostgreSQL 16: More statistics in pg_stat_*_tables

PostgreSQL 16 is already in feature freeze and Beta1 has been released on May 25th. This is the time you should start testing and report any issues back to the community. There are plenty of new features, as usual, and(…)

Comparison of support cycles RHEL and Clones

This blog is a comparison about the support periods of RHEL and the RHEL clones like AlmaLinux, Enterprise Linux, Oracle Linux and Rocky Linux and a look back to CentOS. CentOS Stream is a pre release of RHEL, so(…)

2023.pgconf.de and the Swiss PGDay are just around the corner

Time flies, we are in June already and at the end of this month two PostgreSQL conferences will take place: There is 2023.pgconf.de, this year in Essen, the 27th of June. For the first time in(…)

Troubleshoot cloud-unit “Error: Invalid cloud-config schema: user-data” @ Oracle Cloud Infrastructure

While applying what seemed to be a minor update, we managed to “break” our cloud-init automated OCI compute instance deployment process. This blog describes how to quickly troubleshoot & debug your #cloud-config on Oracle Cloud Infrastructure (not so different from(…)