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Author: johngoh

Troubleshooting Tailscale Operator: “Pods Forbidden Due to Security Context Constraints” on OpenShift 4.16-4.19
Posted in
  • Installation

Troubleshooting Tailscale Operator: “Pods Forbidden Due to Security Context Constraints” on OpenShift 4.16-4.19

Recently, while attempting to expose a Kubernetes workload in my cluster using the Tailscale Kubernetes Operator … Troubleshooting Tailscale Operator: “Pods Forbidden Due to Security Context Constraints” on OpenShift 4.16-4.19Read more

by johngoh•August 5, 2025August 22, 2025•0
Posted in
  • Installation

Setting Up OpenShift 4.18.21 with User Provisioned Infrastructure: Challenges and Lessons Learned

Deploying OpenShift 4.18.21 on a bare metal lab is a rewarding but deeply challenging project, especially … Setting Up OpenShift 4.18.21 with User Provisioned Infrastructure: Challenges and Lessons LearnedRead more

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

TIL: Automating ACMEv2 Certificate Management: A Game Changer for Shorter-Lived Certificates

The digital landscape is constantly evolving, and a significant shift is the trend towards shorter-lived internet … TIL: Automating ACMEv2 Certificate Management: A Game Changer for Shorter-Lived CertificatesRead more

by johngoh•July 19, 2025•0
Installing Tailscale Operator on OpenShift 4.19.2
Posted in
  • Installation

Installing Tailscale Operator on OpenShift 4.19.2

I decided to try out tailscale operator on OpenShift 4.19.2 this weekend. It recently went GA … Installing Tailscale Operator on OpenShift 4.19.2Read more

by johngoh•July 13, 2025August 12, 2025•0
DSM 7.2.2-72806 Update 2 – Arc Loader 1.5.9
Posted in
  • Synology

DSM 7.2.2-72806 Update 2 – Arc Loader 1.5.9

I recently patched my DSM 7.2.1 to 7.2.2, and it involves upgrading the bootloader stored on … DSM 7.2.2-72806 Update 2 – Arc Loader 1.5.9Read more

by johngoh•February 3, 2025February 3, 2025•0
Posted in
  • Certification

RHCE EX294 Examination – Preparations Drafts

Course: Red Hat Enterprise Linux Automation with Ansible Exam Guide: https://www.youtube.com/watch?v=0HNuR1a6-9M&list=PLL_setXLS0tiYMipvQI4oUGkJwhOhn42J Don’t waste your time remember … RHCE EX294 Examination – Preparations DraftsRead more

by johngoh•February 3, 2025•0
Posted in
  • Certification

EX188 Red Hat Certified Specialist in Containers (RHCSC) exam – Troubleshooting Containers Tips & Materials

Disclaimer: These are my thoughts and process that I took. The sample scenario that I covered … EX188 Red Hat Certified Specialist in Containers (RHCSC) exam – Troubleshooting Containers Tips & MaterialsRead more

by johngoh•January 31, 2025February 3, 2025•0
DeepSeek – penny for my thoughts
Posted in
  • AI

DeepSeek – penny for my thoughts

Well, alittle thoughts from my own that I would like to pen down about DeepSeek. DeepSeek … DeepSeek – penny for my thoughtsRead more

by johngoh•January 29, 2025January 29, 2025•0
Posted in
  • Certification

Protected: EX188 Hidden Materials

There is no excerpt because this is a protected post.

by johngoh•January 24, 2025March 24, 2025
Understanding the importance of Software Bill of Materials (SBOM)
Posted in
  • Developer Platform
  • DevSecOps

Understanding the importance of Software Bill of Materials (SBOM)

In a world where software powers almost everything – from apps on your phone to critical … Understanding the importance of Software Bill of Materials (SBOM)Read more

by johngoh•October 30, 2024October 30, 2024•0

Posts pagination

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Table of Contents

Toggle
  • Why does SBOM matter?
  • What goes into an SBOM?
  • How SBOM Enhances Security and Compliance?
  • Backstage – as an Internal Developer Portal
    • Benefits of Using Backstage:
  • Who Uses SBOMs?
  • Conclusion

johngoh Avatar
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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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