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.
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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.
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 Varnish from your distribution's packages (dnf install varnish or apt install varnish), move Apache to port 8080, point Varnish's backend at 127.0.0.1:8080 in /etc/varnish/default.vcl, and make Varnish listen on port 80. Varnish does not handle HTTPS, so put Nginx or Hitch in front of it on port 443. Test with curl -I and look for the X-Varnish and Age headers. On cPanel servers, use NGINX Manager in WHM instead.
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.
Start from a fresh, supported operating system (for example AlmaLinux 9), set a fully qualified hostname, update the system, then run the installer as root inside screen: cd /home && curl -o latest -L https://securedownloads.cpanel.net/latest && sh latest. When it finishes, open https://your-server-ip:2087 and complete the setup in WHM. Most install errors come from a server that is not fresh, a bad hostname, or too little disk space.