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WHM overview for cPanel server administration

WHM (WebHost Manager) is the administration panel above cPanel. Use it on servers where you have a cPanel license and WHM access to manage accounts, packages,

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WHM (WebHost Manager) is the server administration control panel that sits above cPanel. While cPanel manages a single hosting account, WHM lets an authorized administrator create and manage multiple cPanel accounts, define hosting packages, configure nameservers, and control server-wide settings.

Current UnderHost scope: UnderHost no longer sells legacy WHM reseller hosting plans. These WHM guides apply when you administer your own cPanel/WHM server or license, such as a VPS, dedicated server, or managed server where WHM access is included. UnderHost's current reseller service is managed white-label hosting for agencies, not a traditional WHM reseller plan.

WHM sections

SectionWhat it does
Account InformationList, search, and access cPanel accounts you are permitted to manage
Account FunctionsCreate, modify, suspend, unsuspend, and terminate accounts
PackagesCreate hosting packages (disk, bandwidth, email limits) to assign to accounts
Reseller CenterManage reseller-style permissions when your cPanel license and WHM role include them
DNS FunctionsAdd, edit, and delete DNS zones for accounts
SSL/TLSInstall, manage, and auto-provision SSL certificates
EmailServer-wide email settings, spam configuration
Server ConfigurationPHP, Apache, MySQL settings (root access required for many)

Account management

From Account Functions → Create a New Account, you can provision a new cPanel account for a client. Each account gets its own cPanel login, username, disk quota, bandwidth limit, and email quota-all defined by the package you assign.

To access a client's cPanel without their password, go to Account Information → List Accounts, find the account, and click cPanel. This logs you in as the account owner.

Packages

Packages define the resource limits for hosting accounts. Create packages that match your hosting tiers (e.g., Basic, Standard, Premium) and assign them when creating accounts. You can modify a package to update limits for all accounts using that package simultaneously.

Branding & nameservers

On a cPanel/WHM server you administer, branding and custom nameserver options depend on your license type, root access, and WHM feature permissions. UnderHost's current white-label agency hosting provides a managed client-facing experience and private nameservers without requiring you to operate WHM yourself.

WHM vs cPanel

WHMcPanel
Used byServer admins and authorized WHM usersIndividual hosting account holders
Login port2086 (HTTP) / 2087 (HTTPS)2082 (HTTP) / 2083 (HTTPS)
ManagesMultiple cPanel accounts, server configFiles, email, databases for one account
Access levelAbove individual accountsPer-account only
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