How to Install and Use htop on Linux: Read the Screen, Find Busy Processes
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.
Category: Hosting Guides
How to Update Exim on a cPanel Server (and Check It Worked)
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 Servers: What to Check Before You Order
An offshore server is located in a country other than the one where you or your customers are. It does not make a website private or unreachable: it still follows the laws of the country where it is hosted, and our Acceptable Use Policy applies on every server. Choose offshore hosting for a reason that fits your project, such as location near your users or a jurisdiction your business needs, and check the terms before you order.
How to Install and Configure CSF Firewall (v15 GPL) on cPanel and Linux Servers
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 Disable Mailman Mailing Lists on a cPanel Server (the Supported Way)
Disable Mailman mailing lists on your cPanel server by modifying its execute permissions.
Apache “MaxClients exceeds ServerLimit”: Fix MaxRequestWorkers and ServerLimit on cPanel
The warning means Apache's worker limit (MaxRequestWorkers, called MaxClients before Apache 2.4) is set higher than ServerLimit allows, so Apache lowers it at start-up. On cPanel, change both values in WHM > Service Configuration > Apache Configuration > Global Configuration, not in httpd.conf. With the event or worker MPM, ServerLimit × ThreadsPerChild must be at least MaxRequestWorkers; with prefork, ServerLimit must be at least MaxRequestWorkers.
WHM Cannot Create Accounts or Updates Fail? Fix Server DNS Resolution
DNS resolution failures can cause serious connectivity issues on your server. If your system can’t resolve domain names, it could be due to a misconfigured /etc/resolv.conf or missing Perl modules. This guide walks you through troubleshooting steps to restore DNS functionality efficiently.
How to Install cURL and PHP cURL on a cPanel Server (EasyApache 4)
cURL comes in two parts. The curl command is part of the operating system: install or update it with dnf install curl and check it with curl --version. PHP's cURL extension, which WordPress, WHMCS and most payment plugins need, is installed per PHP version in WHM > EasyApache 4 (package ea-phpXX-php-curl). Check it with php -m | grep -i curl.
How to Find the Source of Spam on a cPanel Server (Exim Queue, Logs and Scripts)
Struggling to track down spam emails on shared hosting? This guide explains how to patch PHP's mail function to include headers that identify the source of outgoing emails.