- Created by Documentation, last modified on Aug 28, 2018
Some of the solutions proposed in these articles may not be applicable to your unique issue.
All commands or changes should be reviewed by a qualified Systems Administrator prior to executing.
If you have any questions about the articles listed here, please submit a ticket.
Warning:
Some of the articles that are provided here may include behavior or workarounds that are unsupported.
Accounts
- Account Suspension Versus Bandwidth Limiting and Account Termination
- cPanelID
- cPanel Solo License
- Guide to Reseller Accounts
- How to Log in to Your Server or Account
- How to Create a Demo cPanel Account
- How to Create a WHM Reseller Without An Associated Domain
- How to Rebuild userdata Files
- Problems When You Log Out Of An Account
- What Happens When You Suspend an Account
- Account Creation Errors
- Reserved, Invalid, and Misconfigured Usernames
- How to Disable Filesystem Quotas
- From WHM to Website
Backups
- Backup Retention Behavior
- How to Configure Google Drive as a Backup Additional Destination
- How to Create a Custom Transport Script for Backups
- How to Exclude Files From Backups
- How to Manage Metadata Settings
- How to Resolve CIFS-mounted Backup Drive Permissions Errors
- How to Run a Manual Backup
- How to Run Backups on Locally-Mounted Remote Filesystems
- How to Troubleshoot a Remote Transport Pruning Failure
- Remote Restoration
cPanel Product
- How to Identify Your Hosting Provider
- Subaccount Initial Password Guide
- cPanel Deprecation Plan
- Tutorial Videos
- How We Determine a Browser Locale
- The cPanel Log Files
- Interface Lock Scripts
- Overselling
- How to Disable the cPanel Store as an SSL Certificate Provider in WHM
- How Your Server Handles Domains and Virtual Hosts
- Keyboard Shortcuts in WHM
- Product Versions and the Release Process
- Service Subdomains Use the cPanel Service SSL
- TailWatch
- How to Purchase a cPanel License
- The cPanel Service Daemons
- cPanel Glossary
- The Long-Term Support JSON File
- How to Fix License File Errors
- Third-Party Software End Of Life Policy
- cPanel Long-Term Support
- What's My Version Number
- cPanel Analytics
- Upgrade Blockers
cPanel-Developed Plugins
DNS
DNSONLY™
Email
- The horde_mysqltosqlite Script
- AutoConfig and Autodiscover
- How to Troubleshoot Horde Data Conversion from MySQL to SQLite
- How to Configure the Exim Outgoing IP Address
- How to Configure Mail Filters
- How to Convert mbox Accounts to Maildir
- How to Create a Spam Email Filter
- How to Create Mail Filter Rules For Mailing Lists
- The BlackBerry FastMail Service
- How to Customize the Exim System Filter File
- How to Edit the exim.conf File
- How to Keep your Email Out of the Spam Folder
- How to Log in to the Sent and Spam Mail Folders Directly
- How to Prevent Email Abuse
- How to Prevent Spam with Mail Limiting Features
- How to Set Email Send Limits
- How to Set Up a cPanel Email Account for iOS and Android
- IMAP vs. POP3
- Scan Outgoing Mail
- How to Rebuild the Roundcube Database
- The Removal of cgiemail and cgiecho
- How to Migrate the Contents of Email Accounts in Addon Domains
FTP
Git Version Control
- Guide to Git - Common Git Commands
- Guide to Git - Deployment
- Guide to Git - For System Administrators
- Guide to Git - Git Terms
- Guide to Git - Host Git Repositories on a cPanel Account
- Guide to Git - How to Set Up Deployment
- Guide to Git - How to Set Up Deployment Cron Jobs
- Guide to Git - Set Up Access to Private Repositories
General Systems Administration
- AutoFixer
- Best Practices for cPanel Virtualization Templates
- Cloud-Hosted Hostname Solution
- Configure or Disable PHP-FPM with User Pools for EasyApache 4
- Full Disaster Recovery
- Getting Started with Linux Commands
- Guide to Node.js Installations
- Guide to Ruby Installations
- How to Access the Command Line
- How to Build and Install Custom RPMs
- How to Clean Unmanaged Log Files
- How to Clear a Full Partition
- How to Configure Your Firewall for cPanel Services
- How to Create Custom Jailed Shell Mounts
- How to Disable Network Manager
- How to Disable Prelinking
- How to Disable Services
- How to Fix Quotas
- How to Manage your Hard Drive Space
- How to Manually Transfer an Account Between Servers
- How to Purchase a KernelCare License
- How to Purchase an Imunify360 License
- How to Reset SSL Certificates for cPanel Services
- How to Restart Services
- How to Run the traceroute and ping Commands
- How to Set or Unset RPM Management
- How to Share Multiple IP Addresses
- How to Transfer Accounts and Configurations Between cPanel Servers
- How to Troubleshoot High Disk IO Problems
- How to Update Your System
- How to Use Server Profiles
- Man-in-the-Middle Attacks
- Process Restart Exclusion
- Release Notes for Legacy cPanel Versions
- RPM Installation Failures
- Server Profiles Roadmap
- Service and Proxy Subdomains
- Service Subdomains Explanation
- System User Accounts
- The scl Utility
- Troubleshooting Guide for Perl and CGI Scripts
- What is Domain TLS
Important Notices
- 11.46 FrontPage Update Blocker
- cPanel PHP Upgrade 5.4 to 5.6
- CVE-2015-0235 GHOST
- CVE-2016-1238 Perl
- CVE-2016-1531 Exim
- CVE-2016-3714 ImageMagick
- CVE-2016-5387 HTTPOXY
- CVE-2016-6662 MySQL
- CVE-2016-9963 Exim
- CVE-2017-16943 and CVE-2017-16944 Exim
- CVE-2017-1000369 Exim - Stack Clash
- CVE-2019-7524: Buffer overflow when reading extension header from Dovecot index files
- Determine Your System's Status
- Meltdown - CVE-2017-5753 CVE-2017-5715 CVE-2017-5754
Q&A with cPanel Support
Security
- cPHulk Management on the Command Line
- Download Security
- Guide to SSL
- How to Adjust Cipher Protocols
- How to Configure Microsoft Windows 7 to use TLS Version 1.2
- How to Configure MySQL SSL Connections
- How to Create a ModSecurity Vendor
- How to Create a Report Receiver API for the ModSecurity Rule Reports
- How to Determine Password Strength
- How to Harden PHP
- How to Harden Your cPanel System's Kernel
- How to Manually Remove the cPanel-Provided Hardened Kernel
- How To Mitigate Slowloris Attacks
- How to Prevent cPanel Users from Creating Certain Domains
- How to Reset a cPanel Account Password
- How to Reset a cPanel Subaccount Password
- How to Troubleshoot Jailshell Problems on a Virtuozzo or OpenVZ VPS
- How to Use cPanel API Tokens
- More about TLS and SSL
- OWASP ModSecurity CRS
- PCI Compliance and Software Versions
- Recommended Security Settings
- Security Levels
- The ModSecurity Guardian Log
- The SSL Installation and Precedence Logic
- Tips to Make Your Server More Secure
- Troubleshoot SSL-Related Issues
SQL
Technical Support Services
Third Party
- Connect to Web Disk with Third-Party Software
- cPanel Plugins - Pluggable Statistics Modules
- How to Install KernelCare
- How to Install WHMCS
- How to Install WordPress With cPanel
- How to Send Server Notifications to Custom Services
- How to Set Up a Third-Party RPM Repository with GPG Signatures
- The Let's Encrypt Plugin
Transfers and Restores
- How to Copy Addon Domains to a New Account
- How to Copy an Account with SSH Keys
- How to Move All cPanel Accounts from One Server to Another
- How to Manually Migrate Accounts to cPanel from Unsupported Control Panels
- How to Restore Your cPanel Account - A Guide for New System Administrators
- Touch File for Additional Transfer and Restore Log Diagnostic Entries
- How to Migrate a WordPress Installation to a cPanel Server
- Guide to Transfer and Restore API Functions
Web Services
- Create Custom PHP Directives
- How to Configure PHP and suEXEC from the Command Line
- How to Create Ruby Web Applications
- How to Customize PHP Directives
- How to Deploy Java Applications
- How to Enable Additional CGI Scripts
- How to Install a Node.js Application
- How to Install Drush
- How to Limit a User's Available PHP Versions in the MultiPHP Manager
- How to Manage Your php.ini Directives with PHP-FPM
- HTTP Error Codes and Quick Fixes
- The cpuser_service_manager script and the Ubic subsystem
Webmail
- Guide to Horde Data Behavior
- How to Convert Roundcube to SQLite
- How to Customize Roundcube Webmail
- How to Customize SquirrelMail
- How to Set Up Calendars and Contacts
- How to Set Up iOS Push Notifications
- How to Set Up Webmail Folders
- Importing SquirrelMail Address Books to Horde
- Importing SquirrelMail Address Books to Roundcube
- Which Webmail Application Should I Choose
Need more help?
- Ask your question on the cPanel Forums.
- Have a question about licensing? Contact cPanel Customer Service.
- Need help with a technical problem? Submit a support ticket.