Linux OOM Killer: What It Is and How to Fix It
Your server starts killing processes without warning, Apache goes down, MySQL crashes — and the culprit is the Linux OOM killer. Here’s what’s actually happening and how to stop it.
Linux Server
Plesk on Windows
Plesk Windows Update Failed: How to Diagnose and Fix Common Update Errors
A failed Plesk update on Windows can leave your panel in a broken or half-updated state — and the error messages aren’t always helpful. This guide walks through the most common causes and how to actually fix them.
WHM Guides
How to Configure Email Authentication in WHM (SPF, DKIM, and DMARC)
If your emails are landing in spam or getting rejected outright, missing SPF, DKIM, or DMARC records are usually the culprit. This guide walks you through configuring all three in WHM, step by step, with the gotchas explained.
SSL & HTTPS
SSL Certificate Not Renewing: How to Fix Let’s Encrypt and Other SSL Renewal Failures
Your SSL certificate expired — or it’s about to — and the auto-renewal didn’t fire. Here’s why that happens and exactly how to fix it, whether you’re on shared hosting, a VPS, or a managed server.
cPanel Guides
How to Change PHP Version in cPanel (PHP Selector Guide)
Running the wrong PHP version is one of the most common causes of broken WordPress sites and plugin errors. Here’s how to change your cPanel PHP version in a few clicks — and what to watch out for when you do.
Dedicated Servers
How to Monitor Dedicated Server Performance: CPU, RAM, Disk, and Network
If your dedicated server is sluggish or throwing errors under load, you need visibility into what’s actually happening. This guide walks through the essential monitoring tools and methods — from quick command-line checks to persistent alerting setups.
WHM Guides
WHM IP Exhaustion: How to Fix IP Allocation Errors on Your Server
WHM IP exhaustion stops you from creating new accounts or assigning IPs to existing ones. This article walks you through exactly how to diagnose the problem and fix it — whether you’re on a VPS with a single IP block or a dedicated server with multiple ranges.
cPanel Guides
cPanel Error 500: How to Fix Internal Server Errors
A 500 Internal Server Error in cPanel is one of those frustratingly vague messages that could mean a dozen different things. This article walks you through the most common causes — bad .htaccess rules, PHP misconfigurations, wrong file permissions — and exactly how to fix each one.
Domains & DNS
How to Set Up Domain Privacy Protection (WHOIS Protection)
When you register a domain, your name, address, and email get published in the public WHOIS database by default. Domain privacy protection replaces that with proxy contact details so your real information stays private. Here’s how to enable it.
Shared Hosting
Best Canadian Shared Hosting in 2026: What to Look For and What to Avoid
Choosing Canadian shared hosting isn’t just about price. Server location, resource limits, and backup policies matter far more than most comparison sites admit. Here’s what to actually look for in 2026.