Browse the complete archive of tech guides and video companions.
Published on December 1, 2025
Solved: Fixing MySQL/MariaDB ERROR 1071 – Specified Key Was Too Long (Max Key Length 767 Bytes)
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Published on December 1, 2025
The Essential 5 MySQL/MariaDB Commands Every Sys Admin Needs to Know (Plus a Bonus!)
Hi there! This is Darren O’Neill from Darren’s Tech Tutorials.
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Published on December 1, 2025
Unlock Root Power: How to Add a User to the Sudoers File on Debian (Quick Guide!)
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Published on December 1, 2025
Upgrade Your Linux Firewall: Why nftables Is Replacing Iptables (And How to Get Started)
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Published on December 1, 2025
What is SSH? The Secure Shell Protocol Explained for Beginners
Hey tech fans, Darren here! In today’s fast-paced digital world, connecting to remote systems securely isn’t just a convenience—it’s a necessity. If you’ve ever had to manage a server, transfer files, or log into a computer miles away, you’ve likely heard of SSH.
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Published on December 1, 2025
Bootstrap AWS EC2: Automatically Install Apache Using Userdata (Hands-On Tutorial)
Hello tech enthusiasts! This is Darren O’Neal from Darren’s Tech Tutorials, and today we are tackling one of the coolest automation features in Amazon Web Services (AWS): EC2 Userdata.
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Published on December 1, 2025
The Ultimate Free Office Suite: Why LibreOffice is the Best Microsoft Office Alternative
Hello everyone, and welcome back to Darren’s Tech Tutorials! I’m Darren O’Neill, and today we are tackling one of the most common questions I get: how do you get a powerful, feature-rich office suite without paying the hefty subscription fees required by Microsoft Office?
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Published on December 1, 2025
Mastering Linux: How to Change Your Hostname on CentOS 7 (Step-by-Step Guide)
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If you’re managing a CentOS 7 server, one of the most fundamental tasks for proper network identification is setting a clear, descriptive hostname. Whether you’re setting up a new server, moving a machine to a new location, or simply need to rename an existing instance, knowing where and how to make this change is essential for clean system administration.
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Published on December 1, 2025
Unlock Your IT Potential: The Essential Guide to Linux, Windows Server, and Virtualization Tutorials
Welcome to the official blog for Darren’s Tech Tutorials! We know that navigating the world of system administration, web hosting, and cybersecurity can be complex. That’s why our mission is simple: to provide clear, accessible, and actionable technology guides delivered straight to you every week.
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Published on December 1, 2025
Unleash the Power of AI: 5 Essential Ways to Use ChatGPT Today
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