Decentralizing Tech: The Open Source Movement’s Impact

ByPieter Bakker

In today’s digital landscape, open source software forms the backbone of much of our technological infrastructure. From the devices in our pockets to the servers powering the internet, open source solutions are ubiquitous, driving innovation and enabling countless individuals and organizations to build, learn, and create. Open source is more than just a development methodology;…

How to Fix ‘Backend error: GSQLBackend unable to list keys’ in PowerDNS

ByPieter Bakker

After upgrading to Ubuntu 22.04, you may encounter an error when attempting to start PowerDNS. The error message typically looks like this: This guide will walk you through the steps to resolve this issue. Pre-requisites Steps to Fix the Issue 1. Backup the Current Database Before making any changes, it’s crucial to back up the…

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Verifying Your Domain’s Glue Records with dig

ByPieter Bakker

When managing domain name servers, ensuring that your glue records are correctly configured is crucial for proper DNS resolution. This guide will walk you through the steps to check your domain NS glue records using the dig command. This procedure is applicable for both .com and .eu domains. Step 1: Find the Parent Zone Name…

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How to set up Nginx FastCGI Page Cache with WordPress.

ByPieter Bakker

Nginx FastCGI cache is a feature of the Nginx web server that enables the caching of dynamic content generated by FastCGI applications such as PHP. By caching the dynamic content, Nginx can serve the content directly to visitors as a static page so that the same dynamic request does not have to be processed repeatedly,…

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How to solve “page cache is not detected but the server response time is ok” in WordPress Site Health.

ByPieter Bakker

If you don’t use any of the popular caching plugins (e.g. WP-Rocket, W3 Total Cache, WP Super Cache…), but instead deploy Nginx FastCGI cache for (server side) Full Page Caching, you will probably see the message “page cache is not detected but the server response time is ok” when you run the “Site Health” checker…

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Connecting WordPress to Database using Unix Domain Socket.

ByPieter Bakker

According to a recent study by the Percona team, a significant performance improvement can be achieved when a “Unix Domain Socket” is used instead of a TCP/IP loopback for communication between database and application. Although in most WordPress tutorials the database connection is made via a TCP/IP loopback, it is also perfectly possible for WordPress…

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How to boost WordPress Performance with Redis.

ByPieter Bakker

In today’s fast-paced digital world, website performance is crucial. Slow loading times can lead to a poor user experience and even impact your search engine rankings. Thankfully, there are powerful caching solutions available to speed up your WordPress site. One such solution is Redis Object Cache, a plugin that leverages the speed and efficiency of…