Articles

 AutoConfig and Autodiscover

Overview The AutoConfigure (AutoConfig) and Autodiscover services quickly and easily configure a...

 Back Up CPanel Account to Google Drive

Overview This document explains how to set up your Google Drive™ account with backups. Set up...

 Best Practices for cPanel Virtualization Templates

Overview We recommend and support the use of the cPanel installer to install and provision...

 Configure or Disable PHP-FPM with User Pools for EasyApache 4

Overview Important: The information in this document only pertains to cPanel & WHM...

 cPanel Deprecation Plan

Overview To improve our ability to support our customers and provide the best possible...

 Getting Started with Linux Commands

Overview While cPanel & WHM automates many server administration tasks, familiarity with the...

 Guide to DNS Cluster Configurations

verview A DNS cluster is a group of nameservers that share records with eachother. This allows...

 How to Access the Command Line

Overview While cPanel & WHM automates many server administration tasks, familiarity with the...

 How to Build and Install Custom RPMs

Overview cPanel, Inc. ships many of cPanel & WHM's third-party dependencies as RPMs. In...

 How to Clean Unmanaged Log Files

Overview This guide provides the steps to reduce the file size of the log files on your server...

 How To Clear Your DNS Cache

Overview Your DNS cache stores the locations (IP addresses) of web servers that contain web...

 How to Configure Mail Filters

Overview Email filters use the criteria that you specify to determine how to handle email...

 How to Configure Reverse DNS for BIND in WHM

Overview Reverse DNS uses pointer records (PTR) to convert IP addresses to domain names. Forward...

 How to Configure the Apache SpamAssassin Report_Safe Option

Overview The Apache SpamAssassin™ Report_Safe option allows you to modify how Apache...

 How to Configure the Exim Outgoing IP Address

Overview By default, Exim sends mail from the server's primary IPv4 address. To decrease the...

 How to Configure Your Firewall for cPanel Services

Overview cPanel & WHM installs and manages many different services on your system, most of...

 How to Configure Your SFTP Client

Overview Because File Transfer Protocol (FTP) cannot guarantee security, many users prefer to...

 How to Convert mbox Accounts to Maildir

Overview You can use the /scripts/convert2maildir script to perform conversions on mail storage...

 How to Create a Custom Transport Script for Backups

Overview Warning: We strongly recommend that only advanced users create custom backup...

 How to Create a Demo cPanel Account

Overview This document explains how to create and delete a demo account. These accounts allow...

 How to Create a Spam Email Filter

Overview You can create an email filter that sorts and redirects incoming spam. This is useful...

 How to Create a WHM Reseller Without An Associated Domain

Overview You can create additional administrative user accounts in WHM that do not correspond to...

 How to Create Custom Jailed Shell Mounts

Overview When you create a custom jailed shell mount, you can allow users of jailed shells to...

 How to Create Mail Filter Rules For Mailing Lists

Overview This document explains how to create mail filter rules in cPanel's Mailing Lists...

 How to Customize the Exim System Filter File

Overview Warning: The steps in this document are for advanced users only. The Exim...

 How To Determine a Browser Locale

Overview In cPanel & WHM version 11.32, we introduced a localized login page that allows...

 How to Disable Network Manager

Overview This document describes how to disable the Network Manager service. The Network Manager...

 How to Disable Prelinking

Overview This document explains how to disable prelinking. Prelinking often causes issues, and...

 How to Disable the cPanel Store as an SSL Certificate Provider in WHM

Overview This article provides instructions on how to use Manage2's Update Company Information...

 How to Edit the exim.conf File

Overview This document describes the final adjustments to change the IP address that Exim uses...

 How to Enable FTP Passive Mode

Overview This document explains how to use either the active or passive mode to connect to...

 How to Exclude Files From Backups

Overview To exclude files or directories from your user backups, perform either of the following...

 How to Fix Quotas

Overview   Warnings: Servers that use the XFS® filesystem and run CentOS 7, CloudLinux™...

 How to Keep your Email Out of the Spam Folder

Overview This article contains helpful information to make sure that other servers or network do...

 How to List Domains with DNSSEC

Overview This document describes how to list domains with DNS Security Extensions (DNSSEC) on a...

 How to Log in to the Sent and Spam Mail Folders Directly

Overview This document describes how to directly log in to your sent or spam mail folder in one...

 How to Manage your Hard Drive Space

Overview This document provides steps to help you to manage your server's hard drive space....

 How to Manually Transfer an Account Between Servers

Overview When accounts are too large to move with the WHM Transfers features, you can move the...

 How to Modify your hosts File

Overview WHM's Apache mod_userdir Tweak interface (WHM >> Home >> Security Center...

 How to Prevent Email Abuse

Overview This document outlines some of the best practices that you can follow to avoid email...

 How to Prevent Spam with Mail Limiting Features

Overview The Mail section of WHM's Tweak Settings interface (WHM >> Home >> Server...

 How to Rebuild the Roundcube Database

Overview If your Roundcube database fails to restart or becomes corrupt, you can rebuild the...

 How to Rebuild userdata Files

Overview Warning: Do not perform the steps in this document unless you are certain that...

 How to Reset SSL Certificates for cPanel Services

Overview This article explains why you received an email notification to reset your SSL...

 How to Restart Services

Overview This document describes several methods to restart the services (often daemons) on your...

 How to Restore Missing FTP Interfaces in cPanel

Overview Warning: This document describes an unsupported workaround. We do not guarantee...

 How to Rotate a DNSSEC Key

Overview This document describes how to rotate a domain's DNS Security Extensions (DNSSEC) keys...

 How to Run the traceroute and ping Commands

Overview This document describes how to run the traceroute and ping utilities on different...

 How to Set Email Send Limits

verview WHM allows you to specify the maximum number of emails that each domain on your server...

 How to Set or Unset RPM Management

Overview If you do not want cPanel & WHM's rpm.versions system to manage an RPM, you can set...

 How to Set Up a cPanel Email Account for iOS and Android

Overview Warning: cPanel support does not provide assistance with the instructions in this...

 How to Set Up Nameservers in a cPanel Environment

Overview When you log in to WHM for the first time after the initial installation process, the...

 How to Troubleshoot High Disk IO Problems

Overview Disk I/O describes how long the read and write operations require on a hard disk. The...

 How to Troubleshoot Horde Data Conversion from MySQL to SQLite

Overview This document describes the resolutions for the two most common issues with the Horde...

 How to Update Your System

Overview This document describes the steps to update your system. Update your system...

 How to Use cPanel's PowerDNS

Overview The PowerDNS open source DNS server software offers high performance with very low...

 How to Use MyDNS-NG

Overview MyDNS-NG (MyDNS) is DNS server software for Linux servers. It uses a database to store...

 How Your Server Handles Domains and Virtual Hosts

Overview This document explains virtual hosts and how cPanel & WHM handles them. An...

 IMAP vs. POP3

Overview IMAP and POP3 are different in how and for how long they store mail on the mail server....

 Interface Lock Scripts

Overview In cPanel & WHM version 11.52, we added scripts to manage the Interface Lock...

 Keyboard Shortcuts in WHM

Overview We include keyboard shortcuts within the WHM interface to allow for quicker navigation....

 Metadata for Backups

Overview Every time cPanel & WHM creates a backup, it also generates a backup metadata file...

 Overselling

Overview This document explains the concept of overselling. Overselling means that the system...

 Passive FTP and NAT Configuration Temporary Workaround

Overview cPanel & WHM's implementation of PureFTP and ProFTPd causes an issue on...

 Problems When You Log Out Of An Account

Overview If you experience difficulty when you attempt to switch between cPanel accounts, or...

 ProFTPD Configuration for Host Access Control

Overview ProFTPd© does not automatically reference /etc/hosts.allow or /etc/hosts.deny to...

 Proxy Subdomains Explanation

Overview This document provides an overview of proxy subdomains. In cPanel & WHM version...

 Proxy Subdomains Use the cPanel Service SSL

Overview In cPanel & WHM version 11.40 and earlier, visitors who accessed a website via...

 RPM Installation Failures

Overview This document provides examples of common RPM installation failures. You can use these...

 Scan Outgoing Mail

Overview You can use the Advanced Editor section of WHM's Exim Configuration Manager interface...

 Subaccount Initial Password Guide

Overview This document explains a Subaccount user's experience when you request that they set...

 TailWatch

Overview The TailWatch driver monitors a log file for certain activities and then takes action...

 The BlackBerry FastMail Service

Overview Important: This service is only available in cPanel's deprecated x3 theme. The...

 The checkallsslcerts Script

Overview In the past, cPanel & WHM services used a self-signed certificate. Now all cPanel...

 The cPanel Log Files

Overview This document describes the location of all of the log files in cPanel & WHM,...

 The horde_mysqltosqlite Script

Overview Warning: Unless your system experiences an error with the Horde data conversion...

 The Removal of cgiemail and cgiecho

Overview Recently-discovered flaws in the cgiemail and cgiecho scripts have caused cPanel, Inc....

 What Happens When You Suspend an Account

Overview This document describes the actions that the system performs when you suspend an...

 How to Access cPanel & WHM Services

How to access cPanel   Note: Your domain's DNS information must propagate before...