At PrenHost, we continuously work to improve the security and performance of our shared hosting infrastructure. One common target for brute-force attacks and spam requests on WordPress websites is...
As a server administrator or web hosting provider, running a cPanel/WHM update (upcp) is part of regular maintenance. However, a frustratingly common issue can occur immediately after an update:...
WordPress performance is critical, especially for WooCommerce stores with high traffic. One of the best ways to speed up your site is object caching using Redis. In this tutorial,...
At PrenHost, we pride ourselves on maintaining high-performance server environments. However, even the most robust systems can encounter “routing ghosts” after migrations or IP changes. Today, we’re diving into...
When managing high-performance cPanel servers, CloudLinux is our go-to for stability and resource isolation. However, even the best systems can run into “dependency hell.” Recently, we encountered a specific...
While migrating a VPS between nodes in Virtualizor, we ran into a problem that at first looked very simple, but ended up taking a lot of time to understand....
Recently, one of our production servers experienced an unexpected boot failure, repeatedly dropping into Linux Emergency Mode with the error: EXT4-fs (nvme0n1): VFS: Can't find ext4 filesystem At the...
Every seasoned server admin eventually meets that moment: you’re running a harmless yum update -y, expecting the usual quiet churn of packages, when suddenly the terminal tosses a riddle...
Introduction If you manage a CloudLinux + LiteSpeed + WHM/cPanel hosting server, you’ve probably faced the struggle of getting Composer (the PHP dependency manager) to work globally for every...
Fixing a “Failed to start MariaDB” Error: The Aria Engine Problem If you’ve ever found your MariaDB server refusing to start with a cryptic exit-code and an error log...