Cloud

Implementing Zero Trust Security with Cloudflare

Posted by By Mike Goh December 12, 2025Posted inDevelopers Technical TutorialsTags: Cloud, SecurityNo Comments

Introduction Any web application that is important to you can be secured by adding 2FA in addition to the standard login username and password. To hide the app's vulnerabilities, one could restrict access with Nginx HTTP basic authentication, which will…

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…

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…

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,…

Terraform: Deploy Application Load Balancer on AWS

Posted by By Mike Goh June 21, 2022Posted inDevelopers Technical TutorialsTags: Cloud, Coding, DevOpsNo Comments

Introduction In the first Infrastructure as Code (IaC) tutorial using Terraform, we explored how to install the CLI and launch an EC2 instance with external input variables. The Terraform CLI version was v0.12.29 then, but the latest version at the…

Track Laptop Asset Handover using Google Apps Script

Posted by By Mike Goh September 13, 2021Posted inDevelopers Technical TutorialsTags: Cloud, CodingNo Comments

Introduction We use Google Apps Script because some companies use Google Workspace (formerly G Suite) for their day-to-day work, and it cost nothing to set up as there is no hosting and annual maintenance fees. The authentication is seamless as…

Disable Cache to Reflect New CSS Changes

Posted by By Mike Goh January 9, 2021Posted inDevelopers Technical TutorialsTags: Cloud, WebNo Comments

Introduction You made some changes to your CSS style sheet and upload it to the web server but the browser did not reflect the new look after you hit refresh (F5) or even forced update, disregarding cache (Ctrl + F5).…

Create Helpdesk Ticketing System with Google Apps Script

Posted by By Mike Goh October 13, 2020Posted inDevelopers Technical TutorialsTags: Cloud, Coding2 Comments

Introduction When a business expands with increased headcounts, there will be more incoming IT helpdesk requests from its employees. There will always be this period of time where the single IT staff will have to answer phone calls, reply to…

Learn Infrastructure as Code Terraform to Provision & Manage Cloud

Posted by By Mike Goh August 13, 2020Posted inDevelopers Technical TutorialsTags: Cloud, DevOpsNo Comments

Introduction This is the fourth and final "Infrastructure as Code" article from my DevOps learning journey. Previously, I had wrote about Docker, Ansible and Docker Swarm. Today, I am going to introduce Terraform, an open-source 'Infrastructure Provisioning' tool created by…

Using Form Responses to Update Spreadsheet – Google Apps Script

Posted by By Mike Goh July 15, 2020Posted inDevelopers Technical TutorialsTags: Cloud, CodingNo Comments

Introduction I have been using Google Drive to create various docs and spreadsheets to store my notes for the past 10 years. Due to the COVID-19 pandemic, my company had embarked on a few digitization projects and one of them…

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Cloud

Asus Router Setup – Wifi Settings

How to Resolve iptables: No chain/target/match by that name

Create Helpdesk Ticketing System with Google Apps Script

Host Multiple Websites with jwilder nginx-proxy and letsencrypt-companion