Node.js Security Update (October 2026): CVE-2026-111497
Short answerOn 21 October 2026, the Node.js project released security updates for its 22.x, 24.x and 26.x lines: Node.js 22.23.4,…
Category: Linux
GhostLock and Januscape: What Self-Managed Linux Server Owners Need to Patch Now
Two high-severity Linux kernel vulnerabilities, GhostLock and Januscape, allow local root escalation and VM escape across most major distributions. Here's what they do, how to patch a self-managed server, and confirmation that every UnderHost-managed system is already protected.
CVE-2026-31431 ‘Copy Fail’: Why Linux Server Owners Should Patch Now
Security advisories are rolling out for CVE-2026-31431, a Linux kernel vulnerability that can allow local privilege escalation. Here’s what server owners need to know, how to check for exposure, and how UnderHost’s UnderManagement helps you stay ahead of kernel-level threats without chasing every CVE manually.
Optimizing PHP Performance in CloudLinux with PHP Selector: A Developer’s Guide
Unlock the full potential of your web applications by mastering CloudLinux PHP Selector. Learn how to customize PHP versions, extensions, and optimizers for maximum performance on shared and reseller hosting environments.
Debian 13 “Trixie” Upgrade Guide: Move From Debian 12 Safely
Debian 13 delivers cutting-edge Linux performance—learn how to upgrade from Debian 12 seamlessly and leverage UnderHost’s NVMe VPS, offshore servers, and expert management for flawless deployment.
Linux Server Monitoring: Built-In Tools, Netdata, Prometheus and Alerts
Discover essential tools, commands, and enterprise-grade solutions for real-time server monitoring on RHEL, Ubuntu, Debian, AlmaLinux, and CloudLinux. Learn how to monitor CPU, memory, disk I/O, and network performance like a pro.
CentOS 7 & CloudLinux 7 EOL: What UnderHost Customers Need to Know Before July 1, 2025
Fee changes are coming as CentOS 7 and CloudLinux 7 reach End-of-Life. Learn how to protect your infrastructure and migrate with UnderHost’s expert tools and support.
How to Install or Remove CloudLinux on a cPanel Server (AlmaLinux and Rocky Linux)
Maximize server stability and resource allocation by managing CloudLinux on your cPanel hosting. This guide walks you through seamless installation and removal processes with UnderHost's optimized environment.
Optimise PHP on cPanel: MultiPHP Manager, MultiPHP INI Editor, PHP-FPM and PHP Selector
Learn how to enhance PHP performance in cPanel using MultiPHP Manager and CloudLinux PHP Selector for maximum speed and stability.