https://devopstales.github.io/tags/openshift/ Recent content in Openshift on DevOpsTales Hugo -- gohugo.io en Tue, 20 Feb 2024 00:00:00 +0000 https://devopstales.github.io/kubernetes/openshift4-monitoringw-with-external-grafana/ Tue, 20 Feb 2024 00:00:00 +0000 https://devopstales.github.io/kubernetes/openshift4-monitoringw-with-external-grafana/ In this Post I will show you how you how you can integrate an external Grafana with OpenShift 4 Prometheus. https://devopstales.github.io/kubernetes/openshift4-monitoring/ Wed, 14 Jun 2023 00:00:00 +0000 https://devopstales.github.io/kubernetes/openshift4-monitoring/ In this Post I will show you how you can use the enbeddid Prometheus monitoring system in OpenShift 4 to monitor your workload applications. https://devopstales.github.io/kubernetes/openshift4-service-serving-certificate/ Sat, 25 Feb 2023 00:00:00 +0000 https://devopstales.github.io/kubernetes/openshift4-service-serving-certificate/ In this Post I will show you how you can use Service Serving Certificate on OpenShift4. https://devopstales.github.io/kubernetes/openshift4-buildconfig/ Wed, 25 Jan 2023 00:00:00 +0000 https://devopstales.github.io/kubernetes/openshift4-buildconfig/ In this Post I will show you how you can install rad hat openshift pipelines (Tekton) on OpenShift4. https://devopstales.github.io/kubernetes/openshift4-registry/ Mon, 23 Jan 2023 00:00:00 +0000 https://devopstales.github.io/kubernetes/openshift4-registry/ In this Post I will show you how you can configure the enbedded rad hat quay docker registry in Openshift. https://devopstales.github.io/kubernetes/openshift4-tekton/ Fri, 20 Jan 2023 00:00:00 +0000 https://devopstales.github.io/kubernetes/openshift4-tekton/ In this Post I will show you how you can install rad hat openshift pipelines (Tekton) on OpenShift4. https://devopstales.github.io/kubernetes/openshift4-cilium/ Wed, 06 Apr 2022 00:00:00 +0000 https://devopstales.github.io/kubernetes/openshift4-cilium/ In this Post I will show you How you can Install OpenShift 4 cluster with Cilium. https://devopstales.github.io/kubernetes/openshift4-calico/ Sat, 12 Mar 2022 00:00:00 +0000 https://devopstales.github.io/kubernetes/openshift4-calico/ In this Post I will show you How you can Install OpenShift 4 cluster with Calico. https://devopstales.github.io/kubernetes/oml/ Tue, 21 Dec 2021 00:00:00 +0000 https://devopstales.github.io/kubernetes/oml/ In this post I will show you how you can publish your operator to OperatorHub. https://devopstales.github.io/kubernetes/openshift-log4shell/ Wed, 15 Dec 2021 00:00:00 +0000 https://devopstales.github.io/kubernetes/openshift-log4shell/ On OpenShift 4 and OpenShift 3.11 in OpenShift Logging the above mitigation can be applied to the affected Elasticsearch component. https://devopstales.github.io/kubernetes/openshift-elasticsearch-error/ Wed, 15 Dec 2021 00:00:00 +0000 https://devopstales.github.io/kubernetes/openshift-elasticsearch-error/ In this post I will show You How you can fix elasticsearch search-guard index error. https://devopstales.github.io/kubernetes/openshift4-auth/ Mon, 13 Dec 2021 00:00:00 +0000 https://devopstales.github.io/kubernetes/openshift4-auth/ In this Post I will show you how you can create multiple ingress route on an OpenShift 4 on premise. https://devopstales.github.io/kubernetes/openshift4-ceph-rbd-csi/ Mon, 13 Dec 2021 00:00:00 +0000 https://devopstales.github.io/kubernetes/openshift4-ceph-rbd-csi/ In this Post I will show you how you can create peristent storage on an OpenShift 4 with Ceph RBD CSI Driver. https://devopstales.github.io/kubernetes/openshift4-ingress/ Mon, 13 Dec 2021 00:00:00 +0000 https://devopstales.github.io/kubernetes/openshift4-ingress/ In this Post I will show you how you can create multiple ingress route on an OpenShift 4 on premise. https://devopstales.github.io/kubernetes/openshift4-install/ Mon, 13 Dec 2021 00:00:00 +0000 https://devopstales.github.io/kubernetes/openshift4-install/ In this Post I will show you how you can install the an OpenShift 4 on premise. https://devopstales.github.io/kubernetes/openshift4-logging/ Sun, 12 Dec 2021 00:00:00 +0000 https://devopstales.github.io/kubernetes/openshift4-logging/ In this Post I will show you how you can install the Cluster Logging Operator on an OpenShift 4. https://devopstales.github.io/kubernetes/how-to-fix-ansible-service-broker-in-openshift-3-11/ Fri, 10 Jul 2020 00:00:00 +0000 https://devopstales.github.io/kubernetes/how-to-fix-ansible-service-broker-in-openshift-3-11/ Ansible Service Broker in OpenShift 3.11 is broken as it uses wrong docker tag. https://devopstales.github.io/kubernetes/how-to-fix-cluster-monitoring-operator-in-openshift-3-11/ Fri, 10 Jul 2020 00:00:00 +0000 https://devopstales.github.io/kubernetes/how-to-fix-cluster-monitoring-operator-in-openshift-3-11/ Default install use an old image for cluster-monitoring-operator with imagestream false latanci alert problem. https://devopstales.github.io/kubernetes/how-to-fix-registry-console-ui-in-openshift-3-11/ Fri, 10 Jul 2020 00:00:00 +0000 https://devopstales.github.io/kubernetes/how-to-fix-registry-console-ui-in-openshift-3-11/ Registry console UI in OpenShift 3.11 is broken on CentOS as it is not available on Docker Hub. https://devopstales.github.io/kubernetes/openshift-cert-manager/ Wed, 10 Jun 2020 00:00:00 +0000 https://devopstales.github.io/kubernetes/openshift-cert-manager/ cert-manager is a service that automatically creates certificate requests and sign certificate based on annotations. The created certificate will be stored in a secret. https://devopstales.github.io/kubernetes/openshift-auto-approval-csr/ Wed, 27 May 2020 00:00:00 +0000 https://devopstales.github.io/kubernetes/openshift-auto-approval-csr/ Nodes certificates are not Completely redeployed through playbook but through a different mechanism. https://devopstales.github.io/kubernetes/openshift_4/ Mon, 02 Mar 2020 00:00:00 +0000 https://devopstales.github.io/kubernetes/openshift_4/ The Red Hat CodeReady Containers enables you to run a minimal OpenShift 4.2 or newer cluster on your local laptop or desktop computer. https://devopstales.github.io/kubernetes/openshift-secondary-router/ Fri, 20 Dec 2019 00:00:00 +0000 https://devopstales.github.io/kubernetes/openshift-secondary-router/ I this tutorial I will show you how to create a secondari router for Openshift. https://devopstales.github.io/kubernetes/openshift-gitlab-helm/ Mon, 18 Nov 2019 00:00:00 +0000 https://devopstales.github.io/kubernetes/openshift-gitlab-helm/ I had to install Gitlab to Openshift recently. Turned out getting GitLab up and running on OpenShift is not so easy. https://devopstales.github.io/kubernetes/who-mapping-rbd-device/ Sat, 05 Oct 2019 00:00:00 +0000 https://devopstales.github.io/kubernetes/who-mapping-rbd-device/ https://devopstales.github.io/kubernetes/openshift-restrict-access/ Fri, 20 Sep 2019 00:00:00 +0000 https://devopstales.github.io/kubernetes/openshift-restrict-access/ In this post I will show you how can restrict access to the routes by source IP address. https://devopstales.github.io/kubernetes/openshift-kompose/ Sun, 08 Sep 2019 00:00:00 +0000 https://devopstales.github.io/kubernetes/openshift-kompose/ Kompose is a open source tool that uses docker-compose file to deploy on kubernetes. Openshift is also Kubernetes based and Kompose is support Openshift too. https://devopstales.github.io/kubernetes/ansible-operator-overview/ Wed, 10 Jul 2019 00:00:00 +0000 https://devopstales.github.io/kubernetes/ansible-operator-overview/ Operators make it easy to manage complex stateful applications on top of Kubernetes. In this pos I will show you how to read an ansible based Openshift operator. https://devopstales.github.io/kubernetes/openshift-add-node/ Thu, 27 Jun 2019 00:00:00 +0000 https://devopstales.github.io/kubernetes/openshift-add-node/ Add Nodes to an existing Cluster. https://devopstales.github.io/sso/openshift-sso2/ Mon, 17 Jun 2019 00:00:00 +0000 https://devopstales.github.io/sso/openshift-sso2/ Configure Openshift Cluster to use Gitlab as a user backend for login with oauth2 and SSO. https://devopstales.github.io/kubernetes/openshift-letsencrypt/ Tue, 28 May 2019 00:00:00 +0000 https://devopstales.github.io/kubernetes/openshift-letsencrypt/ Thanks to Tomáš Nožička developed openshift-acme as an ACME Controller for OpenShift and Kubernetes clusters. It automatically provision certficates https://devopstales.github.io/kubernetes/openshift-hostalreadyclaimed/ Sun, 05 May 2019 00:00:00 +0000 https://devopstales.github.io/kubernetes/openshift-hostalreadyclaimed/ How to solvee Openshift Error: HostAlreadyClaimed https://devopstales.github.io/kubernetes/openshift-gitlabrunner/ Sat, 20 Apr 2019 00:00:00 +0000 https://devopstales.github.io/kubernetes/openshift-gitlabrunner/ In this post I will configure a gtlab rubber for Openshift. https://devopstales.github.io/kubernetes/openshift-extregistry/ Fri, 19 Apr 2019 00:00:00 +0000 https://devopstales.github.io/kubernetes/openshift-extregistry/ I this post I will demonstrate howyou can use an external registry in Openshift. https://devopstales.github.io/kubernetes/openshift-cert/ Wed, 17 Apr 2019 00:00:00 +0000 https://devopstales.github.io/kubernetes/openshift-cert/ In this post I will show you how can you chnage certificate in Openshift. https://devopstales.github.io/kubernetes/openshift-vmware/ Tue, 16 Apr 2019 00:00:00 +0000 https://devopstales.github.io/kubernetes/openshift-vmware/ In this post I will show you how can you use vmware for persistent storagi on Openshift. https://devopstales.github.io/kubernetes/openshift-helm/ Mon, 15 Apr 2019 00:00:00 +0000 https://devopstales.github.io/kubernetes/openshift-helm/ I this post I will demonstrate the basic configuration of Helm on Openshift. https://devopstales.github.io/sso/openshift-sso/ Sat, 13 Apr 2019 00:00:00 +0000 https://devopstales.github.io/sso/openshift-sso/ Configure Openshift Cluster to use Keycloak as a user backend for login with oauth2 and SSO. https://devopstales.github.io/kubernetes/openshift-ceph/ Fri, 12 Apr 2019 00:00:00 +0000 https://devopstales.github.io/kubernetes/openshift-ceph/ In this post I will show you how can you use CEPH RBD for persistent storagi on Openshift. https://devopstales.github.io/kubernetes/openshift-ldap/ Fri, 12 Apr 2019 00:00:00 +0000 https://devopstales.github.io/kubernetes/openshift-ldap/ Configure Openshift Cluster to use LDAP as a user backend for login with Ansible-openshift https://devopstales.github.io/kubernetes/kubectl-multi-cluster-config/ Mon, 11 Mar 2019 00:00:00 +0000 https://devopstales.github.io/kubernetes/kubectl-multi-cluster-config/ I use a multiple Kubernetes clusters on a daily basis, so keeping my configs organized is important to don’t confuse myself.