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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...

Using Ansible to Automate Deployment for Apps and IT Infrastructure

Introduction Ansible is one of the few configuration management tools in the DevOps environment. It is an infrastructure automation platform used to deploy our applications and systems rapidly to enable continuous integration and continuous deployment. While there are others like...

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

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...

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...

Setup Cheap Self-Hosted WordPress with Domain for just $7/year

Do you know the difference in service provided between wordpress.com vs wordpress.org? You can register for a free hosted blog at wordpress.com with limited features or you can subscribe to their paid plans to unlock them. However, at wordpress.org, you...

Father’s Day 2020 with My Family

This would be my seventh Father's Day. OMG, how times flies! My family (wife, daughter and later son) would celebrate Father's Day without fail for me every year. There would be cards from my daughter and/or cake from my wife....

How to Backup Databases and Files, Rotate and Rsync to Remote

We should always schedule backups for our website files and databases but should never keep the backups only in the server which your websites and databases reside in. If you are on solid cloud providers like Amazon Web Services (AWS)...

Automated Checks: Send Email when Product in Stock

Introduction Have you ever wanted to buy that pretty dress or gadget really bad but disappointed at it being currently out of stock? Then, you check the listing once every few hours in hope to snap it up when it...

VeraCrypt Drive Encryption to Protect Data

Introduction TrueCrypt is the first on-the-fly encryption (OTFE) that I used and when it got discontinued, I switched to VeraCrypt. Similar to TrueCrypt, VeraCrypt is a small encryption software that is used for OTFE and is a fork of the...

How to Create an Aquarium Divider and Let Kids Share a Fish Tank

Background I have been keeping fishes for more than a year now and this hobby started from my previous job. The thought came when I was assigned a huge L-shaped table when relocated to a new office premise. While other...
VeraCrypt Drive Encryption to Protect Data

VeraCrypt Drive Encryption to Protect Data

Posted by By Mike Goh June 15, 2020Posted inSoftware and Web Services ReviewsTags: Security, SoftwareNo Comments
Introduction TrueCrypt is the first on-the-fly encryption (OTFE) that I used and when it got discontinued, I switched to VeraCrypt. Similar to TrueCrypt, VeraCrypt is a small encryption software that is used for OTFE and is a fork of the…
Read More
360 panoramic virtual tours 3DVista

360 Panoramic Virtual Tours with 3DVista

Posted by By Mike Goh June 10, 2020Posted inSoftware and Web Services ReviewsTags: Fun, Software, WebNo Comments
Introduction Due to the COVID-19 pandemic, many companies are forced to embark on the digital transformation journey. One marketing trend is the use of 360 virtual tours to bring visitors back to places of attractions on the web. But virtual…
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bash script sync production demo

Bash Script to Sync WordPress Docker Production to Demo

Posted by By Mike Goh June 6, 2020Posted inDevelopers Technical TutorialsTags: Command Line, Docker, WordPressNo Comments
Introduction After we had upgraded a website from development to production status, we will need to put up a maintenance notice if we are required to make further changes. It is unpleasant to let visitors see the down-time or on-going…
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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: Domain DNS, EmailNo 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…
Read More
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, NGINX, WebNo Comments
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 Computing, 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, Firewall, Security, ServersNo 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: Domain DNS, NGINX, 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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