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DevOps

Nabil Saoual

JENKINS : Update manually your Jenkins master

By | DevOps | No Comments

Hi there, What about keeping up to date your Jenkins 🙂 Such easy to perform that!Today we will check the manual update of our Jenkins master Check if updates are available You can see that a new version is available in the blue info ribbon We got 2 ways to upgrade Jenkins : manually or automatically You can check your current version at the bottom right hand corner of your page Check the changelog Note…

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Stéphane Haby

Ansible Basics Workshop day @dbi services

By | Ansible, Database Administration & Monitoring, DevOps, Technology Survey | No Comments

Today, I follow our Workshop Ansible Basics with Jérôme Witt. Why I follow this workshop? First, it’s to have the basics and Best Practices before begin myself and do “bricolage” by my customers. The second point is to develop templates to use and reuse by all customers if needed. Let’s start the course! My first remark is that the Control node cannot be installed on a Windows machine… Not good news for me! 👿 I…

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Dieter Henig

Clone a Terabyte Database in Seconds

By | Database Administration & Monitoring, Database management, DevOps, Hardware & Storage, Oracle | One Comment

Introduction Have you ever cloned a database using RMAN? Have you ever gotten the advice not to clone during daytime to avoid performance downgrade on the entire storage or network? For a proof of concept, we wanted to evaluate a Pure Storage array in terms of feasibility and speed of database cloning by using storage-based snapshot technology. First, I want to mention that PureStorage produces Storage devices in several sizes, all based on NVMe devices…

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Joël Cattin

Automating Linux patching with Ansible

By | Ansible, DevOps, Operation systems, Security | No Comments

Since the beginning of the year, several vulnerabilities have been discovered in the Linux Kernel as well as in others important and widely-used packages. Among them, there was the famous CVE-2021-3156 affecting the sudo package and allowing any unprivileged user to gain root privileges. This one had a base score of 7.8, which is considered as high. This kind of events demonstrate the importance of having a strong patching strategy to ensure up-to-date softwares and…

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Daniel Westermann

Deploying a Kubernetes cluster on EC2 with Rancher

By | AWS, Cloud, DevOps, Docker, Kubernetes | No Comments

Once Rancher is up and running, it makes the deployment and management of Kubernetes clusters quite easy. In this post we’ll deploy a brand new cluster on top of EC2. If you want to have a simple and quick Rancher playground you can follow this post, which will give you a Rancher setup on SLES 15. If you want to have a more production like Rancher setup, you can follow these posts: Rancher, up and…

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Daniel Westermann

Rancher on SLES 15 as a demo environment

By | Database Administration & Monitoring, DevOps, Docker, Kubernetes | No Comments

If you followed the last posts (Rancher, up and running, on EC2 – 1 – One node, Rancher, up and running, on EC2 – 2 – Three nodes and Rancher, up and running, on EC2 – 3 – Rancher setup) about Rancher, you know how to setup Rancher in a highly available RKE cluster. While this is the way to go for a production clusters, you might want to play with Rancher on a local…

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Daniel Westermann

Rancher, up and running, on EC2 – 1 – One node

By | AWS, DevOps, Kubernetes | No Comments

If you want to play with Rancher you have several options, as outlined in the documentation. There are quick starts for the major public cloud providers (using Terraform), you can install it on a Linux host by using the Rancher container or you can do it on your own. We’ll be doing it step by step, as I believe that gives most information on how things actually work. We’ll start with one node and then…

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Nabil Saoual

JENKINS installing Artifactory server and add it to your Jenkins master

By | DevOps | No Comments

Hi everybody As promised in my previous post on Artifactory plugin here is the installation guide to use Artifactory with your  Jenkins master.First we need to check the prerequisites and then after installation will see how to link it to our Jenkins master. We will use the trial version and also further the open source version. A quick presentation of Artifactory  from Jfrog’s site ( description also available in my previous blog ) prerequisite go…

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Nabil Saoual

JENKINS installing Artifactory plugin and fix dependencies issue

By | DevOps | No Comments

Hi everybody As I planned to show you how to use Artifactory in next blog topic , we need to install it through plugin management. During this I faced some issues.Below we will check how to fix it. what is an artifact? An artifact is a file produced as a result of a Jenkins build. The name comes from Maven naming conventions A single Jenkins build can produce many artifacts why archiving artifacts? By default,…

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