Step-by-step help for your hosting

• Customer cancelling? Give them their data and close the account properly

  A clean cancellation process for reseller customers: provide a full cPanel backup, help with domain and email moves, suspend, then terminate after a grace period.

  BeginnerReseller hosting2 min read

• Sell domain names together with hosting as a reseller

  Bundle domain registration with your reseller hosting: registering and transferring domains, connecting nameservers, automating with WHMCS registrar modules and renewals.

  IntermediateReseller hosting2 min read

• Offer free trial hosting accounts safely as a reseller

  How to run free trial cPanel accounts on a reseller plan without inviting abuse: limited trial packages, verification, short expiry, outgoing mail limits and conversion steps.

  IntermediateReseller hosting2 min read

• Fix "Bandwidth Limit Exceeded" on a cPanel account

  Why a site shows Bandwidth Limit Exceeded, how resellers check and raise the monthly bandwidth limit in WHM, and how to find what is using the traffic.

  BeginnerReseller hosting3 min read

• Move resellers and their customers to an MdmHost master reseller plan

  Plan and carry out a migration of your resellers and all their cPanel accounts from another host to an MdmHost VIP Master Reseller plan, keeping ownership and limits.

  AdvancedMaster reseller hosting2 min read

• Choose the right server location for your reseller customers

  How server location affects speed, SEO and compliance for your hosting customers, and how to choose between MdmHost's Germany, USA and Singapore locations as a reseller.

  BeginnerReseller hosting2 min read

• Open and close ports in CSF (TCP_IN, TCP_OUT, UDP_IN, UDP_OUT)

  Edit the CSF port lists to open a port for a new service, close ports you do not use, and restrict a port such as SSH to trusted IPs on a cPanel/WHM server.

  IntermediateWHM (root)2 min read

• Tune LFD login failure blocking and email alerts in CSF

  Adjust LFD triggers, block durations, permanent blocks and alert emails so CSF stops brute-force attacks without flooding your inbox or blocking genuine users.

  AdvancedWHM (root)2 min read

• Allow, deny and temporarily ban IP addresses in CSF

  Use CSF commands and the WHM interface to whitelist trusted IPs, permanently deny attackers, add temporary bans and ignore IPs in LFD, with the files behind each list.

  IntermediateWHM (root)2 min read

• Fix wrong disk quotas on a cPanel server (root guide)

  When cPanel shows wrong disk usage or unlimited quotas, enable and repair quotas as root with WHM tools and fixquotas, and understand quotas on XFS and ext4.

  AdvancedWHM (root)2 min read

• What is reseller hosting and how does it work?

  How reseller hosting works: WHM and separate cPanel accounts, white-label branding, who does what between you and the host, how resellers earn, and who it suits best.

  BeginnerReseller hosting2 min read

• What is a hosting control panel? cPanel vs Plesk vs DirectAdmin

  What a hosting control panel does, the difference between end-user and admin panels, and a fair comparison of cPanel/WHM, Plesk and DirectAdmin to help you choose.

  BeginnerEveryone2 min read

• What to send new hosting customers: a reseller welcome email template

  A practical welcome email for new cPanel customers on your reseller plan: login URLs, nameservers, email settings, FTP, SSL and support details, plus what to leave out.

  BeginnerReseller hosting3 min read

• CloudLinux Manager admin settings: limits, packages and reseller limits (root guide)

  Configure CloudLinux Manager in WHM as root: default LVE limits, per-package limits, enabling reseller limits, fault notifications and selector options.

  AdvancedcPanel server (root)3 min read

• How to install LiteSpeed Web Server on a cPanel server and switch from Apache

  Install LiteSpeed Web Server Enterprise on cPanel as root with the WHM plugin installer, switch from Apache, enable LSCache and know how to switch back.

  AdvancedcPanel server (root)2 min read

• Fix an incomplete SSL certificate chain (missing CA bundle)

  Fix "incomplete chain" and untrusted certificate errors on phones and apps by installing the correct intermediate CA bundle in cPanel, WHM, Plesk or DirectAdmin.

  IntermediateAll hosting3 min read

• How to transfer cPanel accounts to your MdmHost reseller plan

  Move customers from another cPanel host to your MdmHost reseller account using a full cPanel backup, the WHM Transfer Tool or MdmHost's free migration help.

  IntermediateReseller hosting3 min read

• Enable NGINX with reverse proxy on cPanel

  Install cPanel's ea-nginx as a caching reverse proxy in front of Apache, control caching per account, clear the cache and fix 502 Bad Gateway errors.

  AdvancedLinux server4 min read

• EasyApache 4 guide: profiles, modules and PHP versions

  Use EasyApache 4 in WHM to add Apache modules and PHP versions, save your setup as a custom profile, and roll back to a known good profile after a bad change.

  IntermediateLinux server4 min read

• Change PHP limits with the cPanel MultiPHP INI Editor

  Raise memory_limit, upload_max_filesize, post_max_size and max_execution_time in cPanel or WHM with the MultiPHP INI Editor, per PHP version or per domain.

  BeginnerLinux server5 min read

Browse by topic

• Getting startedYour first hour with a new server: access, logins and basics.83 guides
• cPanelFiles, databases, email, domains and every cPanel tool, step by step.67 guides
• WHM & resellingWHM, packages, reseller accounts, WHMReseller and running a hosting brand.53 guides
• WordPressInstall, secure, speed up, migrate and fix WordPress sites.49 guides
• Email & webmailMailboxes, webmail, forwarders, spam filters and email delivery.67 guides
• DomainsRegistering, transferring and managing domains and nameservers.27 guides
• SSL certificatesFree AutoSSL, Let's Encrypt, paid certificates and HTTPS.41 guides
• CloudLinuxCloudLinux setup and use: LVE limits, CloudLinux Manager, CageFS and PHP/Node.js selectors.31 guides
• LiteSpeedLiteSpeed Web Server, LSCache and the LiteSpeed Cache plugin: install, settings and tuning.35 guides
• Imunify360Malware scanning, firewall and proactive defence with Imunify360.24 guides
• SoftaculousInstall, update, clone and back up apps with Softaculous.24 guides
• WP SquaredcPanel's WordPress platform: sites, plugins, staging and backups.9 guides
• SitePadBuild and publish websites with the SitePad builder.9 guides
• SitejetDesign, edit and publish sites with the Sitejet builder.9 guides
• WHMResellerAlpha and master resellers with WHMReseller: install, setup and use.12 guides
• VirtFusionInstall, set up and manage VirtFusion: hypervisors, packages, servers and WHMCS integration.28 guides
• VirtualizorManage your VPS with Virtualizor: power, OS reinstall, VNC, IPs and backups.44 guides
• PleskWebsites, email, databases and settings in the Plesk panel.53 guides
• DirectAdminUsers, domains, email and reseller tools in DirectAdmin.41 guides
• WHMCSBilling, automation, products and client management with WHMCS.52 guides
• Control panelscPanel & WHM, Plesk, DirectAdmin and other panels on your VPS.107 guides
• SecurityKeys, passwords, firewalls and keeping a server patched.138 guides
• Networking & DNSIP addresses, reverse DNS, ports and traffic.72 guides
• Websites & appsWeb servers, WordPress, PHP, Node.js, SSL and app hosting.83 guides
• DatabasesMySQL, MariaDB, PostgreSQL, Redis and MongoDB on a VPS.80 guides
• Billing & accountInvoices, renewals, the client area and your account.9 guides
• TroubleshootingWhen something is not working: checks and fixes.127 guides
• Linux VPSSSH, packages, services and everyday Linux administration.265 guides
• Windows VPS & RDPRemote Desktop, Windows Server settings and Admin RDP tips.73 guides
• Docker & DevOpsContainers, Git deploys, automation, monitoring and backups.82 guides