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Day 2 OpenShift Helpful CLI – Performance & Capacity Monitoring (PV & ODF & S3) & Automation
Posted in
  • Automation
  • Homelab
  • OpenShift
  • TIL

Day 2 OpenShift Helpful CLI – Performance & Capacity Monitoring (PV & ODF & S3) & Automation

I tested the following scripts on:- OpenShift Container Platform Performance Monitoring Watch actual usage and tune: … Day 2 OpenShift Helpful CLI – Performance & Capacity Monitoring (PV & ODF & S3) & AutomationRead more

by johngoh•August 30, 2025August 31, 2025•0
OpenShift – Cluster Graceful Shutdown Script v2
Posted in
  • Homelab
  • OpenShift

OpenShift – Cluster Graceful Shutdown Script v2

I noticed the last script did not cater for the scenario that the node is an … OpenShift – Cluster Graceful Shutdown Script v2Read more

by johngoh•August 30, 2025August 22, 2025•0
OpenShift – RBAC Create a Group and Add Users to it
Posted in
  • OpenShift

OpenShift – RBAC Create a Group and Add Users to it

Let’s create a group for our admin users: Add the users into the group: Finally, grant … OpenShift – RBAC Create a Group and Add Users to itRead more

by johngoh•August 25, 2025August 22, 2025•0
OpenShift – IdP GitHub OAuth Setup & Org Permissions
Posted in
  • Installation
  • OpenShift

OpenShift – IdP GitHub OAuth Setup & Org Permissions

For those that wants to know how to setup GitHub as your identity provider, here’s the … OpenShift – IdP GitHub OAuth Setup & Org PermissionsRead more

by johngoh•August 22, 2025August 22, 2025•0
OpenShift – Extending Token Max Age
Posted in
  • OpenShift

OpenShift – Extending Token Max Age

If you find that your user has been signed out quite often, this is what you … OpenShift – Extending Token Max AgeRead more

by johngoh•August 21, 2025August 22, 2025•0
OpenShift – Exploring Operator Catalogs
Posted in
  • OpenShift

OpenShift – Exploring Operator Catalogs

Operators in OpenShift are managed through the Operator Lifecycle Manager (OLM), which defines how operators are … OpenShift – Exploring Operator CatalogsRead more

by johngoh•August 21, 2025August 21, 2025•0
OpenShift – Restore SSH access
Posted in
  • OpenShift

OpenShift – Restore SSH access

If you lost your SSH key to your OpenShift cluster, but you still have a cluster-admin … OpenShift – Restore SSH accessRead more

by johngoh•August 13, 2025August 14, 2025•0
OpenShift 4.19 Day 2 – Controlling the blast radius of MachineConfigPools
Posted in
  • OpenShift

OpenShift 4.19 Day 2 – Controlling the blast radius of MachineConfigPools

In OpenShift, MachineConfigPool (MCP) updates are not “just config changes.” They trigger node reboots when anything … OpenShift 4.19 Day 2 – Controlling the blast radius of MachineConfigPoolsRead more

by johngoh•August 12, 2025August 12, 2025•0
OpenShift 4.19.6 Installation (Agent-Based Installer) on VMware vSphere on IBM Cloud
Posted in
  • Installation
  • OpenShift
  • TIL

OpenShift 4.19.6 Installation (Agent-Based Installer) on VMware vSphere on IBM Cloud

I took sometime out to dabble with more OpenShift installation on vSphere 7.0.3 cluster provisioned through … OpenShift 4.19.6 Installation (Agent-Based Installer) on VMware vSphere on IBM CloudRead more

by johngoh•August 12, 2025August 12, 2025•0
OpenShift 4.19 Day 2 – Airgapped Disconnected Cluster Post-Installation Steps
Posted in
  • DevSecOps
  • Installation
  • OpenShift

OpenShift 4.19 Day 2 – Airgapped Disconnected Cluster Post-Installation Steps

After you’ve got OpenShift installed with Agent-Based Installer in an airgapped environment, here’s what you generally … OpenShift 4.19 Day 2 – Airgapped Disconnected Cluster Post-Installation StepsRead more

by johngoh•August 11, 2025August 22, 2025•0

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