OpenShift blog

    May 18, 2021

    Image Garbage Collection in OpenShift

    The image garbage collector is one of two mechanisms present in every kubernetes cluster node trying to maintain enough available space in the local disks for normal operations to continue. The other ...

    Jose Jerez

    May 17, 2021

    How to Monitor Openshift 4.x with Zabbix using Prometheus - Part 2

    In this article, I will demonstrate how to monitor an Openshift cluster using Zabbix and Prometheus, that is, we will collect Prometheus metrics in the openshift-monitoring project and we will ...

    Leonardo Araujo

    May 14, 2021

    Ask an OpenShift Admin Office Hour - Red Hat CoreOS

    Once an application is deployed, we don’t think about the operating system much - unless it breaks. This is even more true for containerized applications, whether they’re deployed to a single host ...

    Andrew Sullivan

    May 14, 2021

    GitOps Guide to the Galaxy Episode 14: Exploring CI with Tekton

      Just to catch you up on some of our online TV shows on OpenShift.tv, Christian Hernandez and Chris Short have been covering the exciting realm of GitOps in a series exploring said Galaxy. In ...

    Alex Handy

    May 13, 2021

    It’s Been a Full Year Since we Launched OpenShift TV

    Josh Wood, Erik Jacobs, and Chris Short beat Prometheus into shape after setting up a Sinatra app to monitor first, during one of our first live streams last May. Just over a year ago, we launched ...

    Chris Morgan

    May 13, 2021

    SSO Integration for the OpenShift GitOps Operator

    This is a demo-heavy blog. Readers of this blog will get an idea about why SSO is important, how OpenShift handles authN/authZ and a step-by-step guide on using Red Hat Single Sign-On(RHSSO) to log ...

    Dewan Ahmed and Abhishek Veeramalla

    May 12, 2021

    Our Favorite Things from GitOps Con at KubeCon EU

    Monday, May 3rd the inaugural GitOps Con took place virtually hosted and sponsored by Red Hat, Weaveworks and the GitOps Working Group. We were inspired by the participation and support from the ...

    Aubrey Muhlach

    May 12, 2021

    OCP Disaster Recovery Part 1 - How to Create Automated ETCD Backup in OpenShift 4.x

    This article is focused on guiding the creation of automatic backups for ETCD in OCP 4.x clusters. This activity is of paramount importance for a successful disaster recovery. You may be curious how ...

    Zanoni Maciel

    May 11, 2021

    We Have Some Questions about your Workloads

    In our never ending quest to improve OpenShift to meet the needs of all of its users, we've got a few questions for you about the workloads you're running on OpenShift. Would you mind taking a moment ...

    Alex Handy

    May 11, 2021

    Creating Pod Latency With Linux Traffic Control on OpenShift

    Let’s face it: Networks are not always reliable. Your datacenter robot accidentally disconnects an ethernet cable. A UPS goes bad and you lose your switch. Any number of things can interfere with ...

    Chad Scribner, Robert Bost, and Jai Subbiah

    May 10, 2021

    Building a Custom Overview Page in OKD

    If you plan to create your own Overview page for your OKD installation, this blog will help you get started. The Overview page has a standardized layout consisting of three columns. The left column ...

    Rastislav Wagner

    May 7, 2021

    End to End OpenShift 4 Cluster Deployment Automation at Amadeus

    Earlier this week, the OpenShift Commons Gathering took place at KubeCon EU, Virtually, of course. We'll be posting videos from that event across the coming weeks. Today, we highlight Thibaud ...

    Diane Mueller