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Author: johngoh

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
Posted in
  • OpenShift

TIL: NooBa MultiCloud Gateway – part of ODF

Must knows! I needed to pen this down so that I can reference to it whenever … TIL: NooBa MultiCloud Gateway – part of ODFRead more

by johngoh•August 30, 2025August 30, 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
TIL: How to Run an F5 BIG-IP 17.5.1 QCOW2 Image on RHEL KVM
Posted in
  • Installation
  • RHEL

TIL: How to Run an F5 BIG-IP 17.5.1 QCOW2 Image on RHEL KVM

Installation was a breeze with some learning curve. If you’ve downloaded an F5 BIG-IP qcow2 image … TIL: How to Run an F5 BIG-IP 17.5.1 QCOW2 Image on RHEL KVMRead more

by johngoh•August 27, 2025August 27, 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

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  1. Cloud Native Computing Foundation
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  4. The Twelve-Factor App
  5. A Cloud Guru
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  7. ProxmoxVE Helper-Scripts [GitHub]
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AI automation bash BIG-IP chatgpt day 0 day 1 day 2 day2 deepseek developer experience devops devsecops DS920+ ex294 F5 governance homelab installation KVM machineconfigpools mirroring NAS nooba NTP nvidia ocp odf openshift post-installation PV quay 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 (15) OpenShift (14) RHEL (1) Synology (1) TIL (6)

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