All articles

JENKINS – Introduction to pipelines

Hi, We already know how to create a build on Jenkins using freestyle job, it’s a quick way to make a job, but what happened when we want to have complex tasks and workflow to trigger? Freestyle job limitation Indeed(…)

SUSE Manager 4.1 – installation

What if you need absolute control over maintenance and package deployment or if you need to keep them up to date or if you need to automate the software management and the system provisioning with a high level of security,(…)

First steps on Kusto Query Language (KQL)

Do you know this query language?  No, it’s time to explain you and see what it is.   “A Kusto query is a read-only request to process data and return results.” dixit Microsoft Documentation here The KQL(…)

PostgreSQL on Linux: what is cached?

By Franck Pachot . In a recent tweet I wanted to highlight the importance of knowing what you measure with pgbench, because looking at “Transactions per second” without knowing if you are in shared buffer cache hits, or filesystem(…)

SUSE Manager installation

In this Blog I will write the requirements and steps to install SUSE Manager Server. Maybe you heard about SUSE Manager but you could not understand why a SUSE Manager Server (SUMA) can help to manage your(…)

Network configurations on ODA

Network configurations on ODA(…)

CentOS 8 alternatives

Many people are unhappy about the decision from the CentOS Board of Directors, to switch from fix releases to Stream and cutting the support date from 2029 to 31st of December 2021 for CentOS 8. Many applications in productive environments(…)

Microsoft Flexible Server for PostgreSQL

This Blog is about some findings on Microsoft’s new Flexible Server offering for PostgreSQL which is in Customer Preview at the moment. Findings about the infrastructure The Microsoft Flexible Server for PostgreSQL is using Ubuntu as OS infrastructure, I think(…)

8000 databases in one PostgreSQL cluster?

A while ago I posted this tweet on Twitter: #Postgresql friends: 8000 databases. One cluster, 8000 clusters, Kubernetes,, what would be your choice? Let's assume 10gb per database. I know backup/restore, inodes etc, no discussions about(…)

Oracle 21c : Two nodes Grid Infrastructure Installation

By Mouhamadou Diaw Oracle 21c is actually released in the cloud, and I did some tests to setup a Grid infrastructure cluster with two nodes. I used following two VM servers to test racp1vm1 racp1vm2 Below(…)