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Asus Router Setup – Wifi Settings

Introduction The RT-AX55 is not on sales in many local computer stores and is only available through one of the local broadband providers (M1), which happens to be my current Internet provider. It has four external antennas - 2.4 GHz 2 x...

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

Introduction If you encounter such error, it means that the CONFIG_NETFILTER module was not complied in your kernel. All VPS (virtual private server) that I owned from DigitalOcean, AWS, Google Cloud and other lesser-known host providers have it by default...

Create Helpdesk Ticketing System with Google Apps Script

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...

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

Introduction Two years ago, in 2018, I was introduced to Docker by a colleague of mine who was a brilliant programmer. Thus, I started my Docker journey on my own by reading tutorials online. I was developing a WordPress website...

Change Domain for WordPress Docker Container with phpMyAdmin

Are you trying to migrate an existing WordPress Docker container to a new domain URL? One might change domain for a couple of reasons. For example, change in brand name, favorite domain in .com becomes available or change to different...

Email Verification using Laravel Fortify

Introduction It was my first attempt to use Laravel email verification to build an online web application and I shortlisted Fortify for account authentication as it provides register new and login pages out of the box. These two pages were...

Sihoo M57 Ergonomic Office Chair Assembly and Review

Introduction Widescreen desktop monitor with 144Hz refresh rate, RGB computer cases, mechanical keyboard, and branded gaming mice. Most of us are upgrading and following the Internet trend for the ultimate computing or gaming experience. It is more prominent since COVID-19,...

Config Examples for liximomo SFTP Sync Extension – VS Code

Introduction Visual Studio Code is one of the most popular code editors these days. There are many plugins (also known as extensions) developed for Visual Studio Code in the marketplace and I am going to introduce a must-have extension for...

How to Backup WordPress Database and Directory Docker Containers

In this tutorial, I am going to show you how to backup Docker containers for services WordPress and MySQL in a docker-compose.yml file. If you read enough backup articles like me, you will find that some articles relate to just...

Ragnarok X: Next Generation

Introduction Two weeks ago, I came across a Ragnarok X advertisement on my mobile. It was the #1 top-grossing game in the Google Play store, and the release date was recent on 18th June 2021. I visited the website and...
Set Up DKIM, SPF and Reverse DNS to Improve Mail Deliverability

Set Up DKIM, SPF and Reverse DNS to Improve Mail Deliverability

Posted by By Mike Goh May 14, 2020Posted inDevelopers Technical TutorialsTags: Network, SecurityNo Comments
Introduction DomainKeys Identified Mail (DKIM) is a protocol that contributes to DMARC compliance and requests the sender origin to take responsibility for sent messages that can be verified by mailbox providers. Essentially, it enables the outbound domain to digitally sign…
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Grumbling about Packet Loss and Sluggish SSH over Telia Network

Grumbling about Packet Loss and Sluggish SSH over Telia Network

Posted by By Mike Goh May 10, 2020Posted inDaily Rants and Excitement BlogTags: NetworkNo Comments
Background Do you own OpenVZ or KVM VPS like me? Well, I always scout for cheap offers at lowendbox and had one time owned more than 5 VPS mostly from U.S. due to Black Friday and Cyber Monday sales. I…
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Host Multiple Websites with jwilder nginx-proxy and letsencrypt-companion

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

Posted by By Mike Goh May 8, 2020Posted inDevelopers Technical TutorialsTags: Docker, Web1 Comment
Introduction Two years ago, in 2018, I was introduced to Docker by a colleague of mine who was a brilliant programmer. Thus, I started my Docker journey on my own by reading tutorials online. I was developing a WordPress website…
Read More
Which Cloud Providers for Cheapest On-demand Pay-as-you-go Hourly Prices

Which Cloud Providers for Cheapest On-demand Pay-as-you-go Hourly Prices

Posted by By Mike Goh May 2, 2020Posted inSoftware and Web Services ReviewsTags: Cloud, ServersNo Comments
I never had to buy any on-demand virtual machines (VMs) for my app development. This is because I am always subscribed to 2-3 Virtual Private Server (VPS) on yearly plans from lesser-known host providers which is cheaper than the usual…
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How to Merge Server-side and Docker iptables Firewall Rules

How to Merge Server-side and Docker iptables Firewall Rules

Posted by By Mike Goh April 30, 2020Posted inDevelopers Technical TutorialsTags: Docker, SecurityNo Comments
Introduction Docker is widely used to place applications in containers. One of the reasons why Docker is so popular is because of security thanks to its isolation capabilities. For example, it allows you to isolate applications from each other. Installing…
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Family Danced with Joy with Revived Wii and New Games Reloaded

Family Danced with Joy with Revived Wii and New Games Reloaded

Posted by By Mike Goh April 28, 2020Posted inDaily Rants and Excitement BlogTags: Family, FunNo Comments
Background When Wii was launched in United States in November 2006, I was with two colleagues in Las Vegas to support our local brand Creative at the Consumer Electronic Show (CES). We had like two days of rest at San…
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Host Website on IPv6 NAT VPS with Cloudflare DNS and NGINX

Host Website on IPv6 NAT VPS with Cloudflare DNS and NGINX

Posted by By Mike Goh April 26, 2020Posted inDevelopers Technical TutorialsTags: Servers, WebNo Comments
Introduction Cloud services like AWS, DigitalOcean and lesser-known VPS hosting providers sell VM (Virtual Machines). The annual price can range from $20 (less-known providers) to $70 for cloud services like AWS. All VM plans come with 1 dedicated IPv4 address…
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How to Resolve iptables: No chain/target/match by that name

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

Posted by By Mike Goh April 24, 2020Posted inDevelopers Technical TutorialsTags: Command Line, SecurityNo Comments
Introduction If you encounter such error, it means that the CONFIG_NETFILTER module was not complied in your kernel. All VPS (virtual private server) that I owned from DigitalOcean, AWS, Google Cloud and other lesser-known host providers have it by default…
Read More
Change Port and Disallow Root Login to Secure SSH Server

Change Port and Disallow Root Login to Secure SSH Server

Posted by By Mike Goh April 24, 2020Posted inDevelopers Technical TutorialsTags: Security, ServersNo Comments
When you subscribe to a Linux VPS (Virtual Private Server) from any host providers, the default firewall rule is to accept all incoming connections to any ports hence you can connect via Port 22 using a SSH telnet client like…
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How to Secure Server with Firewall using iptables

How to Secure Server with Firewall using iptables

Posted by By Mike Goh April 23, 2020Posted inDevelopers Technical TutorialsTags: Security, ServersNo Comments
iptables is a command-line firewall utility that allows a system administrator to configure the IP packet filter rules made possible by the Netfilter modules complied into the Linux Kernel. The rules are kept to a bare minimum on the firewall…
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