Yet another useless blog_
  • What's New
    • What's new in OpenShift, 4.20 Edition
  • Compliance
    • oc compliance command line plugin
    • Compliance Operator
  • GitOps Episodes
    • Introducing the GitOps Approach
    • GitOps - Choosing the right Git repository structure
    • Setup OpenShift GitOps/Argo CD
    • Configure App-of-Apps
    • Setup & Configure Compliance Operator using GitOps
    • Setup & Configure Advanced Cluster Security using GitOps
    • Configure Buckets in MinIO using GitOps
    • Installing OpenShift Logging using GitOps
    • Multiple Sources for Applications in Argo CD
    • Update Cluster Version using GitOps approach
    • Managing Certificates using GitOps approach
    • Using Kustomize to post render a Helm Chart
    • Using ApplicationSet with Matrix Generator and define individual Namespaces
    • Reusable Argo CD Application Helm Template
  • OpenShift
    • A second look into the Kubernetes Gateway API on OpenShift
    • A first look into the Kubernetes Gateway API on OpenShift
    • Cert-Manager Policy Approver in OpenShift
    • Single log out from Keycloak and OpenShift
    • Step by Step - Using Keycloak Authentication in OpenShift
    • Introducing AdminNetworkPolicies
    • OpenShift Data Foundation - Noobaa Bucket Data Retention (Lifecycle)
    • Running Falco on OpenShift 4.12
    • Quay Deployment and Configuration using GitOps
    • Setting up Falco on OpenShift 4.12
    • How to force a MachineConfig rollout
    • Operator installation with Argo CD
    • SSL Certificate Management for OpenShift on AWS
    • Using ServerSideApply with ArgoCD
    • Secrets Management - Vault on OpenShift
    • Overview of Red Hat's Multi Cloud Gateway (Noobaa)
    • Secure your secrets with Sealed Secrets
    • Understanding RWO block device handling in OpenShift
    • Writing Operator using Ansible
    • Thanos Querier vs Thanos Querier
    • GitOps - Argo CD
    • OpenShift Pipelines - Tekton Introduction
    • Helpful oc / kubectl commands
  • OpenShift Day-2
    • etcd
      • Automated ETCD Backup
    • Labels & Environments
      • Working with Environments
    • Observability
      • The Hitchhiker's Guide to Observability Introduction - Part 1
      • The Hitchhiker's Guide to Observability - Grafana Tempo - Part 2
      • The Hitchhiker's Guide to Observability - Central Collector - Part 3
      • The Hitchhiker's Guide to Observability - Example Applications - Part 4
      • The Hitchhiker's Guide to Observability - Understanding Traces - Part 5
      • The Hitchhiker's Guide to Observability - Adding A New Tenant - Part 6
      • The Hitchhiker's Guide to Observability - Here Comes Grafana - Part 7
      • The Hitchhiker's Guide to Observability - Limit Read Access to Traces - Part 8
    • Pod Placement
      • Introduction
      • NodeSelector
      • Pod Affinity/Anti-Affinity
      • Node Affinity
      • Taints and Tolerations
      • Topology Spread Constraints
      • Using Descheduler
  • Secure Supply Chain
    • Introduction to a Secure Supply Chain
    • Step 1 - Listen to Events
    • Step 2 - Pipelines
    • Step 3 - SonarQube
    • Step 4 - Verify Git Commit
    • Step 5 - Build and Sign Image
    • Step 6 - Scanning with ACS
    • Step 7 - Generating a SBOM
    • Step 8 - Updating Kubernetes Manifests
    • Step 9 - Linting Kubernetes Manifests
    • Step 10 - The Example Application
    • Step 11 - ACS Deployment Check
    • Step 12 - Verify TLog Signature
    • Step 13 - Bring it to Production
  • General
    • Basic usage of git
    • Red Hat Satellite Cheat Sheet
  • Ansible
    • Ansible Style Guide
    • Automation Controller and LDAP Authentication
    • Ansible Tower and downloading collections
    • Ansible - Azure Resource Manager Example
    • DO410 Ansible and Ansible Tower training notes
  • Service Mesh
    • Enable Automatic Route Creation
    • Authorization (RBAC)
    • Deploy Example Bookinfo Application
    • Service Mesh 1.1 released
    • Authentication JWT
    • Mutual TLS Authentication
    • Fault Injection
    • Limit Egress/External Traffic
    • Advanced Routing Example
    • Routing Example
    • Ingress with custom domain
    • Ingress Traffic
    • Deploy Microservices
    • Installation
  • Advanced Cluster Security
    • Advanced Cluster Security - Authentication
  • Azure
    • Stumbling into Azure Part II: Setting up a private ARO cluster
    • Stumbling into Azure Part I: Building a site-to-site VPN tunnel for testing
  • Java
    • Adventures in Java Land: JPA disconnected entities
  • Quay
    • Red Hat Quay Registry - Integrate Keycloak
    • Stumbling into Quay: Upgrading from 3.3 to 3.4 with the quay-operator
    • Red Hat Quay Registry - Overview and Installation
  • Legal Disclosure
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    Other

    OpenShift Other

    OpenShift Data Foundation - Noobaa Bucket Data Retention (Lifecycle)

    February 12, 2024 - Thomas Jungbauer Thomas Jungbauer - 4 min

    Data retention or lifecycle configuration for S3 buckets is done by the S3 provider directly. The provider keeps track and files are automatically rotated after the requested time.

    This article is a simple step-by-step guide to configure such lifecycle for OpenShift Data Foundation (ODF), where buckets are provided by Noobaa. Knowledge about ODF is assumed, however similar steps can be reproduced for any S3-compliant storage operator.

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    Other

    Basic usage of git

    May 8, 2020 - Toni Schmidbauer Toni Schmidbauer - 14 min

    This is a very short and hopefully simple introduction on how to use Git when you would like to contribute to projects hosted on github.com. The same workflow should also work for projects on gitlab.com.

    Read More ...
    Other

    Red Hat Satellite Cheat Sheet

    April 15, 2020 - Toni Schmidbauer Toni Schmidbauer - 2 min

    Cheat sheet for various Red Hat Satellite tasks from a newbie to a newbie.

    Read More ...

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