Infrastructure, Systems, and Connectivity
In Cisco networking devices, default speed and duplex settings, discovery protocols such as CDP and LLDP, and the interface range command play a vital role in network configuration, management, and troubleshooting. This article provides a detailed explanation of default speed and duplex behavior, the functionality of CDP and LLDP, and how to use interface range commands with practical examples.
VLSM and CIDR are two essential concepts in IP addressing that are designed to optimize the use of IP address space. These techniques help network administrators design flexible networks and prevent IP address waste. This article provides a complete explanation of VLSM and CIDR along with practical examples.
This article provides a complete guide to installing cPanel & WHM on CloudLinux, Rocky Linux, and Ubuntu servers. It covers all essential system requirements, including licensing, networking, hardware, SELinux, filesystems, virtualization environments, and installation commands. The content is fully based on official cPanel documentation and outlines every critical step needed for a successful installation.
This article explains how to install cPanel DNSOnly, the system requirements, DNS cluster configuration rules, how to access the DNSOnly interface, and how to manage DNSSEC within a cPanel DNS cluster.
This article explains how to customize your cPanel & WHM installation, including installation methods, available installer options, configuration files such as wwwacct.conf, database version settings, automatic account restoration, release tier configuration, and package management considerations for RHEL‑based and Ubuntu system
This guide provides practical solutions for common issues that may occur during or after installing cPanel & WHM, including SSL certificate warnings, license errors, Perl installation failures, high CPU load on Hyper‑V, package installation issues, resolver problems, hostname conflicts, and experimental installation on unsupported operating systems.
This article explains the most common account creation errors in cPanel & WHM, including issues with system files, user conflicts, and group shadow corruption. It also clarifies the differences between account suspension, bandwidth limiting, and account termination, along with the system behaviors and WHM paths associated with each action.
This article explains how the Convert Addon Domain to Account feature in WHM handles data migration. It details which data types are migrated, which are not, and how specific components such as DNS records, email, MySQL databases, and website configuration are processed during the conversion.
This article explains why bandwidth usage statistics in cPanel & WHM often differ from those shown by log analysis tools such as AWStats, Webalizer, Analog, and Logaholic. It covers how each system measures bandwidth, where the data comes from, why discrepancies occur, and which report provides the most accurate results.
This article explains the functionality and limitations of the cPanel Solo® license, including removed and modified WHM interfaces, downgrade requirements, and usage restrictions. It also provides a complete overview of cPanelID, how it works, how to obtain it, and how it integrates with external authentication and cPanel Store services.
This article explains all available methods for building a website in cPanel, including creating a site with Sitejet Builder, installing WordPress using WP Toolkit, generating a placeholder page with Site Publisher (legacy versions), and uploading custom content through various cPanel tools.
This article explains how to create and delete a demo cPanel account, how to create a WHM reseller account without an associated domain (via API or manually), how to remove such accounts, and how to disable filesystem quotas on XFS filesystems.
