Skip to content

John Goh's blog

  • Home
  • About
  • OpenShift
  • Tools
    • Git
    • Red Hat Product Lifecycle Dashboard
    • Todo
    • Droplet
    • WHOIS

OpenShift

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
Keeping Proxmox Time in Check: Why You Should Harden NTP and Run Your Own Time Servers
Posted in
  • OpenShift
  • TIL

Keeping Proxmox Time in Check: Why You Should Harden NTP and Run Your Own Time Servers

“Bad timekeeping is like bad DNS — nothing works right, and it’s always the last thing … Keeping Proxmox Time in Check: Why You Should Harden NTP and Run Your Own Time ServersRead more

by johngoh•August 18, 2025August 18, 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, 2025September 4, 2025•0

Posts pagination

Previous 1 2 3 Next

johngoh Avatar
[email protected]
  1. Cloud Native Computing Foundation
  2. LF AI & Data Foundation Interactive Landscape
  3. CNCF Landscape
  4. The Twelve-Factor App
  5. A Cloud Guru
  6. Pluralsight
  7. ProxmoxVE Helper-Scripts [GitHub]
  8. Droplet
  9. WHOIS
  10. Notepad
  11. iTrust

AI automation bash BIG-IP chatgpt day 0 day 1 day 2 day2 deepseek developer experience devops devsecops disk failure encryption F5 governance homelab installation KVM machineconfigpools mirroring NAS nooba NTP nvidia ocp odf openshift openshift ai post-installation presigned URL PV quay recovery RHCSCK RHEL S3 sbom SNO software supply chain security sysprep tailscale virtualization windows 11

AI (4) Automation (2) Certification (3) Developer Platform (2) DevSecOps (7) Homelab (2) Installation (21) OpenShift (22) RHEL (4) Synology (1) TIL (6) Virtualization (2)

Copyright © 2026 John Goh's blog.
Powered by WordPress and HybridMag.
  • About
  • Home
  • About
  • OpenShift
  • Tools
    • Git
    • Red Hat Product Lifecycle Dashboard
    • Todo
    • Droplet
    • WHOIS