Our exhaustive 2025 testing across 12 free control panels reveals CloudPanel as the performance champion (1,248 req/s) while aaPanel leads in features. From lightweight Froxlor (128MB RAM) to powerful Coolify (280+ apps), discover which panel matches your specific hosting needs and performance requirements.
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.
CloudPanel is a lightweight and efficient control panel designed for modern web hosting. This guide provides step-by-step instructions for installing CloudPanel on AlmaLinux and Debian servers. Learn how to enhance your UnderHost hosting experience with this powerful management tool.
Learn how to install FFmpeg on AlmaLinux, Debian, CentOS, and Ubuntu with this updated step-by-step guide. Whether you're using the latest AlmaLinux, traditional CentOS, or popular Debian/Ubuntu systems, this tutorial ensures a smooth installation process for video and audio manipulation.
Discover the full range of Unix-based and Windows-based operating systems fully supported by UnderHost. Explore available control panels, pricing, and end-of-life (EOL) information for each OS. Contact us for support on additional operating systems tailored to your needs.
Dirty COW is a 2016 Linux kernel flaw that let a local user gain root. Every supported Linux release has been patched for years, so if your server gets regular updates, you are safe from it. What matters today is the same habit for newer kernel flaws: update the kernel package, reboot or live-patch so the new kernel actually runs, and check the running version with uname -r.
Install rkhunter from your distribution's packages (dnf install rkhunter from EPEL on AlmaLinux, Rocky Linux and CloudLinux, or apt install rkhunter on Debian and Ubuntu). Then update its data files with rkhunter --update, record a baseline of your system files with rkhunter --propupd, and scan with rkhunter --check --sk. Set an email address for warnings and let the daily cron job run. Run --propupd again after every system update, or you will get false warnings.
ConfigServer Security & Firewall (CSF) is a popular firewall for Linux servers that includes a login failure daemon (lfd) to detect and block brute-force attacks. This guide will walk you through installing and configuring CSF on your server.
Encountering the "/usr/bin/crontab permissions are wrong. Please set to 4755" error in cPanel? Follow this simple guide to resolve it on RedHat, CentOS, or Fedora servers.