Posts

MariaDB server installation CentOS 8

Published on October 27, 2020

Lightning Fast: Install MariaDB Server on CentOS 8 (The Easy Way!)

Welcome to Darren’s Tech Tutorials!

Hey everyone, and welcome back to the channel! If you’re building applications, managing data, or just diving into the world of database administration, you know how crucial a reliable, high-performance database is. Today, we’re focusing on one of the best open-source options out there: MariaDB.

Install Virtualbox guest additions on CentOs 8

Published on October 18, 2020

Make CentOS 8 Fullscreen: Installing VirtualBox Guest Additions the Right Way

Hi there, I’m Darren O’Neill from Darren’s Tech Tutorials, and if you’ve been struggling to get your CentOS 8 virtual machine to resize correctly, you’ve come to the right place!

UnCaught Error Call to undefined json decode

Published on October 11, 2020

Fixing the PHP Fatal Error: Call to undefined json_decode (The Quick Moodle/CentOS Solution)

Hi there! Darren from Darren’s Tech Tutorials here.

How to view virtualbox logs solved

Published on October 6, 2020

Stop Guessing! How to Find and Use VirtualBox Logs for Instant Troubleshooting

Hey Tech Fans! Welcome back to Darren’s Tech Tutorials.

How to use snapshots on Virtualbox

Published on October 4, 2020

VirtualBox Lifesaver: How to Take and Restore Snapshots Like a Pro (Roll Back Instantly!)

Welcome back to Darren’s Tech Tutorials!

How to Generate a CSR on CentOS 8

Published on September 24, 2020

Secure Your Server: The Ultimate Guide to Generating a Certificate Signing Request (CSR) on CentOS 8 (and Linux)

Welcome back to Darren’s Tech Tutorials! If you’re setting up a secure website, an encrypted mail server, or any service requiring an SSL/TLS certificate, you need to start with a Certificate Signing Request—or CSR.

How to Install PHP on CentOS 8

Published on September 15, 2020

Get Your Server Ready: The Quick and Easy Way to Install PHP on CentOS 8 (and RHEL)

Introduction

Welcome back to Darren’s Tech Tutorials! If you’re running a CentOS or Red Hat Enterprise Linux (RHEL) server and need to power a website, application, or CMS (like WordPress), you need PHP. PHP is the backbone of modern web development, and getting it installed on your Linux system is surprisingly simple.

Unable to open primary script

Published on September 6, 2020

The Ultimate Fix for ‘Unable to Open Primary Script Permission Denied’ on CentOS 8 (Solving the SELinux Headache)

Welcome back to Darren’s Tech Tutorials! If you’ve ever tried setting up a complex web application—like Moodle, WordPress, or any custom PHP site—on a fresh CentOS 8 server, you’ve likely run into a frustrating wall of error messages.

How to ensure a service or program starts on boot on Centos Linux

Published on August 29, 2020

Stop Services from Breaking on Reboot: How to Auto-Start Any Program in Linux

Hi there! This is Darren O’Neill from Darren’s Tech Tutorials, and today we are tackling one of the most common frustrations in server management: ensuring your essential services actually start when your Linux machine boots up.

Java Keytool Tutorial: How to export a Certificate from a Java Keystore

Published on August 3, 2020

Mastering Java Keytool: How to Export a Certificate from a Keystore (Quick Guide)

Hi there, I’m Darren O’Neill from Darren’s Tech Tutorials, and I’m excited to dive into one of the most useful utilities in the Java ecosystem: the keytool.