Skip to content

John Goh's blog

  • Home
  • About
  • OpenShift
  • Tools
    • Git
    • Todo
    • Notepad
    • iTrust
    • Droplet
    • WHOIS
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
OpenShift Automation – Cluster Health Check and Recovery Script
Posted in
  • DevSecOps
  • OpenShift

OpenShift Automation – Cluster Health Check and Recovery Script

This script provides a comprehensive approach to verifying your OpenShift cluster health and ensures worker nodes … OpenShift Automation – Cluster Health Check and Recovery ScriptRead more

by johngoh•August 11, 2025August 12, 2025•0
OpenShift Automation – Cluster Graceful Shutdown Automated script
Posted in
  • DevSecOps
  • Installation
  • TIL

OpenShift Automation – Cluster Graceful Shutdown Automated script

Got a pretty nifty script that helps to automate your cluster shutdown in one-go. It does … OpenShift Automation – Cluster Graceful Shutdown Automated scriptRead more

by johngoh•August 11, 2025August 12, 2025•0
OpenShift: Operator Management with oc-mirror v2 & podman
Posted in
  • DevSecOps
  • Installation
  • TIL

OpenShift: Operator Management with oc-mirror v2 & podman

Faster Operator and Channel Information Extraction for Disconnected Environments OpenShift 4.19 introduces significant improvements to the … OpenShift: Operator Management with oc-mirror v2 & podmanRead more

by johngoh•August 11, 2025September 3, 2025•0
Posted in
  • Installation

OpenShift – imagesetconfig & catalogsource

This will come in handy for those working in disconnected airgapped environment. I’ve tested this to … OpenShift – imagesetconfig & catalogsourceRead more

by johngoh•August 10, 2025August 12, 2025•0

Posts pagination

Previous 1 2 3 4 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 DS920+ ex294 F5 governance homelab installation KVM machineconfigpools mirroring NAS nooba NTP nvidia ocp odf openshift post-installation PV quay recovery rhce RHCSCK RHEL sbom SNO software supply chain security tailscale tutorial virtualization

AI (1) Automation (1) Certification (3) Developer Platform (1) DevSecOps (6) Homelab (2) Installation (16) OpenShift (17) RHEL (1) Synology (1) TIL (6)

Copyright © 2025 John Goh's blog.
Powered by WordPress and HybridMag.
  • About
  • Home
  • About
  • OpenShift
  • Tools
    • Git
    • Todo
    • Notepad
    • iTrust
    • Droplet
    • WHOIS