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Jul 24 2019
Mehdi Bada

Kubernetes – How to install a single master cluster with kubeadm?

By | Database Administration & Monitoring, DevOps, Docker, Kubernetes | 2 Comments

To bootstrap a minimal K8S cluster for testing purpose, kubeadm is a very interesting tool. The goal of this blog is not to explain to you the K8S architecture or the components but only the deployment part. using kubeadm. The final architecture of our cluster will be the following: Source:https://elastisys.com/2018/01/25/setting-highly-available-kubernetes-clusters/ Docker Installation The first step is to install Docker on each cluster node: yum install yum-utils device-mapper-persistent-data lvm2 yum-config-manager \ –add-repo \ https://download.docker.com/linux/centos/docker-ce.repo yum update…

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Jul 05 2019
Microsoft Team

SQL Server containers and docker network driver performance considerations

By | Database Administration & Monitoring, DevOps, Docker, SQL Server | No Comments

Few months ago I attended to the Franck Pachot session about Microservices and databases at SOUG Romandie in Lausanne on 2019 May 21th. He covered some performance challenges that can be introduced by Microservices architecture design and especially when database components come into the game with chatty applications. One year ago, I was in a situation where a customer installed some SQL Server Linux 2017 containers in a Docker infrastructure with user applications located outside…

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Apr 17 2019
Daniel Westermann

Bringing up an OpenShift playground in AWS

By | Application integration & Middleware, Database Administration & Monitoring | No Comments

Before we begin: This is in no way production ready, as the title states. In a production setup you would put the internal registry on a persistent storage, you would probably have more than one master node and you would probably have more than on compute node. Security is not covered at all here. This post is intended to quickly bring up something you can play with, that’s it. In future posts will explore more…

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Feb 14 2019
Mehdi Bada

Docker EE – UCP 3.1.2 installation failed in Azure

By | DevOps, Docker | No Comments

Docker EE 2.1 is a Containers-as-a-Service (CaaS) platform on-premise or in the cloud. To manage your cluster of containers, Docker EE allows you to install UCP (Universal Control Panel). When you plan to install the UCP 3.1.2 in Azure, the installation fails during the deployment of the UCP service. You will get the following error message. [[email protected] ~]$ docker logs ucp-reconcile   If you google the error message you will get a lot of answers…

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Dec 08 2018
Microsoft Team

First immersion in the Docker Conference EU 2018

By | DevOps, Docker | No Comments

In short, a very interesting event for both Devs and Ops. Every day was organized around workshops, hands-on-labs sessions and Hallway tracks. My colleague Mehdi Bada and I tried to attend as much sessions as possible but obviously it was difficult to cover all the topics. Anyway, workshops and hands-on-labs were very interesting especially if you like to mix theory and practice. But I had to admit sometimes we got in trouble to keep up…

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Dec 06 2018
Mehdi Bada

DockerCon18 Barcelona – Day 3

By | DevOps, Docker | No Comments

Wednesday was the last day of the DockerCon18 Europe. Like the previous day, we started the journey by a keynote of 2 hours, more oriented “Docker Community”, the core message of the keynote, the community is one of the pillars of open source technologies and Docker Inc want to push more and more the community aspect. The community is growing very fast and competitive. They take the opportunity to award the community leader of the year and a…

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Dec 06 2018
Mehdi Bada

DockerCon18 Barcelona – Day 2

By | DevOps, Docker | No Comments

Tuesday was the second day in Barcelona for the DockerCon18. We attend the first general session in the morning. It was a mix of presentations, live demos and the participation of Docker big customer in EMEA such as Société Général in France, who present us the impact of Docker in their daily business. The main message of the first part of the keynote was: “How Docker can help you to make the digital transformation of your business”….

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Dec 04 2018
Mehdi Bada

DockerCon2018 Barcelona – Day 1

By | DevOps, Docker | One Comment

As a football fan, traveling to Barcelona without watching a football game is inconceivable, so I started my travel by attending the game against Villareal in Camp Nou  😎   DockerCon Day 1 Today, with David Barbarin, was our first day at DockerCon2018 in Barcelona. The conference is located in a huge conference center and split between types of sessions including workshops, keynotes, hands-on labs, and hallway track. The first day was only focused on workshops, hands-on labs and hallway…

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Aug 28 2018
Pascal Brand

Deploy WebLogic docker images using Docker Toolbox and Virtual Box on Windows

By | Application integration & Middleware | 6 Comments

I was interested to run Docker on my Windows machine and found out the Docker Toolbox for Windows that configure itself with the already installed VirtualBox at installation time. Once installed, You can start the Docker QuickStart shell preconfigured for a Docker command-line environment. At startup time it will start a VM named default and will be ready to work with Docker. Starting “default”… (default) Check network to re-create if needed… (default) Waiting for an IP……

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