How to Install RKHunter on Linux (RootKit Hunter) in RHEL, CentOS and Fedora
For those of you who didn’t know, Rootkit Hunter (rkhunter) is a Unix-based tool that scans for rootkits, backdoors and…
![[Updated 2025] PHP Version Support on cPanel Servers](https://bunny-wp-pullzone-jd2vlhoq0a.b-cdn.net/wp-content/uploads/2025/01/network-server-rack-panel-with-hard-disks-2024-09-06-02-12-46-utc-1920x1280.jpg)
[Updated 2025] PHP Version Support on cPanel Servers
This blog post has been updated! PHP 7 is now obsolete, and cPanel officially supports PHP 8.1, 8.2, and 8.3. At UnderHost, we use CloudLinux on our shared servers, allowing customers to select PHP versions from 5.6 up to 8.4. Learn more about supported versions and how to upgrade via EasyApache 4.
[Updated 2025] How to Install GeoIP on cPanel Servers
GeoIP allows websites to detect a visitor’s location based on their IP address. It provides details such as country, city, ISP, and connection type. If you're running a cPanel server and need to install GeoIP, follow this updated guide for 2025.
cPInstall – The Legacy cPanel Automation Script
While cPInstall is no longer actively maintained, its powerful features once simplified cPanel installations, security configurations, and optimizations for hosting environments.
How to use Gmail within cPanel at UnderHost or any providers using cPanel
We encourage our clients to us third party email services instead of the Shared Email environment that comes with some…
How to Reset a WordPress Admin Password via Command Line in cPanel
Lost access to your WordPress admin account? Reset your password using MySQL commands in cPanel’s command line.
Skip WHM Setup Wizard on New Servers Install
Automating cPanel/WHM Setup for Large-Scale Server Deployments If you manage a large number of servers with a fully automated cPanel/WHM…
How to FSCK a Linux Filesystem
There comes a time in every sysadmin’s life where filesystem errors just happen. Luckily, these are somewhat easy to fix,…
Essential Tweaks to Prevent Spamming on Your cPanel Server
Spam emails can overload your cPanel server and affect deliverability. By optimizing Exim and Tweak Settings in WHM, you can significantly reduce spam and secure your mail server. Follow this step-by-step guide to configure your server for better email security.
How to Install and Use Htop on Linux (Step-by-Step Updated Guide)
Learn how to install and use htop on all major Linux distributions. A powerful alternative to top, with real-time monitoring, mouse support, and modern features.
Common SSH Commands or Linux Shell Commands
Master critical SSH and Linux shell commands with UnderHost.com. Discover how efficient server management starts with powerful terminal skills. Learn the commands that keep your offshore servers, cloud hosting, and dedicated servers running smoothly.
How to Upgrade Your Exim Mail Server on cPanel Servers
Keeping Exim up to date is crucial for security and performance on cPanel servers. cPanel provides a built-in script to upgrade Exim manually. Follow this quick guide to update your mail server with a single command.
Offshore Dedicated Hosting – Better Than The Rest?
Offshore hosting has been making its way to the web hosting world over the last decade. Hundreds if not thousands…
How to Install and Configure CSF Firewall on Your Server
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.
How to install cPanel without Errors
First we need to make sure Perl is installed on the machine; yum install perl After installing perl we need…
cPanel Tutorial: Security – IP Deny Manager
The IP Deny Manager in cPanel allows you to block specific IP addresses, domains, or entire IP ranges from accessing your website. This feature is useful for preventing malicious visitors, spam attacks, and unauthorized access.
How to Create and Download a cPanel Backup for a Single Account
Back up and transfer a single cPanel account easily between servers using the command line.
cPanel Tutorial: Domains – Addon Domains
cPanel Tutorial: How to Add and Manage Addon Domains Description The Addon Domains feature in cPanel allows you to host…