Posts

Top Five MySQL Commands

Published on January 17, 2021

6 Must-Know MySQL Commands for System Administrators (Plus a Critical Bonus!)

Introduction: Why MySQL Mastery Matters

Welcome back to Darren’s Tech Tutorials!

How to install Ubuntu on AWS

Published on January 6, 2021

Launch Ubuntu on AWS EC2: The Ultimate Step-by-Step Setup Guide (with Putty/Puttygen)

Hi there! This is Darren from Darren’s Tech Tutorials, and today we’re tackling one of the most fundamental skills in cloud computing: getting an Ubuntu Linux server up and running on Amazon Web Services (AWS) EC2.

How to Learn CentOS

Published on December 11, 2020

Your Ultimate Roadmap: Top 5 Free & Paid Resources to Master CentOS Linux Today

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Set up billing alarm on AWS

Published on November 22, 2020

Never Get Surprised by Your AWS Bill Again: Setting Up CloudWatch Billing Alerts

Introduction: Take Control of Your Cloud Costs

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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!)

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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.