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Mots clés : tech

Objectif Libre > News > Our complete news > tech

GitOps : an overview of practices and tools

Posted on 17 Dec 201917 Dec 2019 Categories Blog Tags Argo CD, Argo Flux, Flux, gitlab, gitlab CI, gitops engine, IAC, Infrastructure As Code, jenkins, Kubernetes, tech
GitOps : an overview of practices and tools This article is an introduction to GitOps principles. We will take Kubernetes as an example. By Arthur Outhenin-Chalandre Targeted audience: Kubernet...
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tunnel grid

Service Mesh : Discovery and Implementation

Posted on 5 Sep 2019 Categories Blog Tags infrastructure, Istio, Kubernetes, Network, Service Mesh, tech, tuto
Service Mesh : Discovery and Implementation By Yann Provost, Cloud Consultant @ObjectifLibre / Paris agency. This article is an introduction to the Service Mesh, with a focus on Istio, in a Kubern...
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knative

Knative : k8s pour les dévelopeurs ?

Posted on 17 Jul 2019 Categories Blog Tags DevOps, function, infrastructure, k8s, knative, Kubernetes, tech, tuto
At the end of each training about k8s, we note that trainees see the power of k8s in terms of automation and scalability. But they also fear the complexity of the tool. This feeling is even stronger w...
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Fédération

Federation v2 in Kubernetes

Posted on 27 Jun 201927 Jun 2019 Categories Blog Tags k8s, Kubernetes, tech
This article is about Federation v2 in Kubernetes, how it works currently with some use case description. At first, you need to know that federation v1 is deprecated, taking almost all Kubernetes APIs...
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Loadbalacing

What you need to know about MetalLB

Posted on 11 Jun 201911 Jun 2019 Categories Blog Tags k8s, Kubernetes, MetalLB, tech
This article is an introduction to MetalLB, a solution to expose services if the Kubernetes cluster is not deployed on a Cloud platform. Intended audience: Kubernetes administrators. By Abdellah...
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Empilement

MySQL: Too many connections !

Posted on 21 Feb 201921 Feb 2019 Categories Blog Tags base de données, Docker, galera, mariadb, MySQL, tech, troubleshooting
This is an issue most sysadmins have already met if they are used to deal with a MySQL server. This issue can come from misconfiguration (a connection pool too small) but it often arises from a probl...
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Ceph-alopod

Migrating to containerized Ceph on Ubuntu 18.04: a feedback

Posted on 31 Jan 2019 Categories Blog Tags Ansible, Ceph, Migration, Retour d'expérience, tech
This article describes the switch of an existing Ceph deployment to a containerized deployment on Ubuntu 18.04. Target audience: Ceph administrators planning to make the switch to containers using...
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Containers

Self-hosted docker registries showdown

Posted on 2 Aug 201814 Jan 2019 Categories Blog Tags Containers, DevOps, Docker, Intégration Continue, open source, tech
This blogpost is a comparison between different docker registries that you can host yourself. Intended audience: System administrators, DevOps familiar with docker and its ecosystem, or anyone curi...
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Routes

How to customize the Openshift router

Posted on 18 Apr 201814 Jan 2019 Categories Blog Tags Openshift, tech
This blog post explains how to configure the Openshift router in order to adapt it to specific needs. Intended audience : Openshift users and operators. By Jacques Roussel, Cloud Consultant @Ob...
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