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Posts by Mike Goh

About Mike Goh
GSM, Owner of Techsch.com. IT backbone of Techsch.com, when he's awake. Personal hobbies include extreme activities such as sleeping and headbanging. His computer keyboard bears witness to his utter dedication in these two pastimes.
Build a Lightweight Kubernetes Cluster with K3s

Build a Lightweight Kubernetes Cluster with K3s

Posted by By Mike Goh June 28, 2025Posted inDevelopers Technical TutorialsTags: Cloud, DevOpsNo Comments
Introduction In the past decade, there has been a significant shift in the approach to application deployment. Although the pre-COVID-19 period saw companies adopt a hybrid on-premise and cloud approach, the majority of them would now prefer cloud-based Platform as…
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OpenShift Prometheus Monitoring: VictoriaMetrics and Grafana

OpenShift Prometheus Monitoring: VictoriaMetrics and Grafana

Posted by By Mike Goh April 17, 2025Posted inDevelopers Technical TutorialsTags: DevOps, SoftwareNo Comments
Introduction Red Hat OpenShift built on top of Kubernetes is used in many organisations these days. The OpenShift container platform allows for container orchestration and management through a web console with ease. It is a trusted Platform as a Service…
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Deploy Redis Cluster using OpenShift Operator

Deploy Redis Cluster using OpenShift Operator

Posted by By Mike Goh December 23, 2024Posted inDevelopers Technical TutorialsTags: Cloud, SoftwareNo Comments
Introduction Relational databases, such as MySQL and PostgreSQL, are utilized to store diverse data types for web applications or analytical studies. You might be familiar with Redis, an in-memory key-to-value database for cache and message broker. Unless your applications have…
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Shared Web Hosting – DirectAdmin (Reseller and User) and cPanel

Shared Web Hosting – DirectAdmin (Reseller and User) and cPanel

Posted by By Mike Goh October 11, 2024Posted inSoftware and Web Services ReviewsTags: Software, WebNo Comments
Introduction Are you going to host a website in your lifetime? My tech buddies are into cryptocurrency or stock trading, but I've never heard about them wanting to run a website. The rise of mobile apps and the abundance of…
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Postfix Relay Host – Canonical Maps and Sender Dependent SASL

Postfix Relay Host – Canonical Maps and Sender Dependent SASL

Posted by By Mike Goh August 20, 2024Posted inDevelopers Technical TutorialsTags: Command Line, ServersNo Comments
Introduction There are several mail transfer agents (MTA) for Linux, like Sendmail, Postfix, and Exim. Sendmail is one of the oldest MTAs available, but it does have some drawn-out configuration steps and is too large in my opinion. The lightweight…
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Farming Simulator 22 (PC) Review

Farming Simulator 22 (PC) Review

Posted by By Mike Goh June 7, 2024Posted inSoftware and Web Services ReviewsTags: Fun, SoftwareNo Comments
Introduction Farming Simulator 22 (FS22) was a video game released in November 2021. The player assumes the role of a farmer, responsible for planting and harvesting crops using machinery that resembles those found in the real world. The farmer can…
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Auto Remediation with Zabbix Monitor and Ansible IT Automation

Auto Remediation with Zabbix Monitor and Ansible IT Automation

Posted by By Mike Goh April 9, 2024Posted inDevelopers Technical TutorialsTags: Automation Tools, DockerNo Comments
Introduction Automated remediation aims to reduce the recovery time objective (RTO), which is the maximum acceptable time that an application, network, or system can be down after an unexpected failure takes place. Ansible is one of the most popular DevOps…
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Use GitPython Library to Push Code to Git Repository

Use GitPython Library to Push Code to Git Repository

Posted by By Mike Goh February 29, 2024Posted inDevelopers Technical TutorialsTags: Coding, DevOpsNo Comments
Introduction Git is the most commonly used version control tool for coordinating CI/CD work among programmers. Popular code repositories include GitLab, Bitbucket, and others. We have to checkout, add, commit, and push every time we want to update the repo.…
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3-2-1 Backup for Home with Synology NAS and IDrive e2

3-2-1 Backup for Home with Synology NAS and IDrive e2

Posted by By Mike Goh December 7, 2023Posted inDevelopers Technical TutorialsTags: Backup, Cloud, NetworkNo Comments
Introduction Do you know the 3-2-1 backup strategy? I worked in the IT industry for 20 years, but not me. But I'm sure many of us possess a lot of beloved family photos, important documents like scanned certificates, employment contracts,…
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Monster Hunter Now (MHN) – Weapons and Armor Guide

Monster Hunter Now (MHN) – Weapons and Armor Guide

Posted by By Mike Goh November 1, 2023Posted inSoftware and Web Services ReviewsTags: Fun, SoftwareNo Comments
Introduction Monster Hunter Now is a real-time game that utilizes GPS technology and was released by the same company, Niantic, which also developed the popular game Pokémon GO on 14 September 2023. Players engage in the hunt for monsters in…
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