cPanel
How to log in to cPanel (MdmHost dashboard, URL and port 2083)
All the ways to open your cPanel account: one click from the MdmHost dashboard, the direct cPanel URL on port 2083, and what to do when the login fails.
MdmHost guides
Step-by-step help for your hosting
1,794 practical guides for cPanel, Plesk and DirectAdmin, Linux and Windows servers, websites, databases, DNS and security, from your first login to troubleshooting.
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
Popular guides
Windows VPS & RDP
Keep apps running 24/7 on your RDP
Disconnect instead of signing out, check session time limits and power settings, and make programs start again after a restart.
Windows VPS & RDP
Connect to your Admin RDP from Windows, Mac and phone
Find your login details, then connect to your Admin RDP or Windows VPS with the free Remote Desktop clients for Windows, macOS, iPhone and Android.
Troubleshooting
Fix "Remote Desktop can't connect to the remote computer"
Check the server is running, test the RDP port, rule out network blocks and repair Remote Desktop settings from the browser console.
Getting started
First steps after your Linux VPS is ready (SSH, updates, firewall)
Log in over SSH, change the root password, install updates, add a sudo user and switch on a firewall without locking yourself out.
Getting started
Set up a private remote work desktop on Admin RDP
Secure your Admin RDP, install everyday apps, personalise it, and learn when to disconnect versus sign out so your work keeps running.
Explore all guides
A fresh mix every day. Pick a topic above to narrow it down.
Fix 404 Not Found errors on cPanel hosting
Find why pages return 404 Not Found on a cPanel site: wrong document root, case-sensitive file names, missing rewrite rules, moved pages, and custom error pages.
Port speed vs bandwidth: what network specs mean
Learn what port speed in Mbps or Gbps, monthly transfer and real-world throughput mean, so you can read the network specs on any hosting plan with confidence.
Install SSL certificates on Postfix and Dovecot mail servers
Get a Let's Encrypt certificate for your mail hostname, configure it in Postfix (SMTP 25/587/465) and Dovecot (IMAP/POP3), reload on renewal and test each port with openssl.
Create and manage FTP accounts in cPanel
Create extra FTP accounts in cPanel, limit each one to a folder and quota, change passwords, and find the correct FTP server, username and port.
Add or remove Windows roles and features
List, install and remove Windows Server roles and Windows 10/11 optional features with PowerShell, and keep the server lean.
Game server hosting: CPU, RAM, network and setup requirements
What a dedicated game server needs: single-core CPU speed, RAM per player, NVMe storage, low latency, DDoS protection and UDP ports, with a Minecraft Java server setup example.
Edit files on a Linux server with nano and vim
Open, edit, save and quit configuration files on your Linux VPS with nano for simple edits and vim for power users, with the key shortcuts you actually need.
Self-host Uptime Kuma for uptime and alert monitoring
Install Uptime Kuma on a Linux VPS with Docker, add HTTP and TCP monitors, and route alerts to email or Telegram.
Exim Configuration Manager in WHM: essential mail server settings (root)
Configure the Exim mail server on cPanel & WHM as root: RBL blocklists, SpamAssassin thresholds, sender verification, TLS, smarthost relays and safe defaults.
Use nftables sets for fast allowlists and blocklists
Build named nftables sets for SSH allowlists and IP blocklists, use intervals for CIDR ranges and timeouts for temporary bans, change elements live, and rate-limit per IP with dynamic sets.
Web server ports explained: 80, 443, 8080 and 8443
What ports 80, 443, 8080 and 8443 do, why HTTPS lives on 443, when alternate ports make sense, and how to check which process is listening on each one.
Select PHP Version in cPanel: enable extensions and PHP options (CloudLinux)
Use the CloudLinux Select PHP Version tool in cPanel to choose the account PHP version, enable extensions such as ionCube, intl or imagick, and change PHP options.
Configure Fail2ban jails: bantime, findtime and maxretry in jail.local
Set up Fail2ban properly with a jail.local file. Tune bantime, findtime and maxretry, enable incremental bans, whitelist your own IP and pick the right log backend.
Fix "Allowed memory size exhausted" PHP errors
Understand the PHP fatal error 'Allowed memory size of X bytes exhausted', raise memory_limit on cPanel or a VPS, and find the code that uses too much memory.
Manage end users, cloud users and admin ACLs in Virtualizor
Create normal and cloud (reseller-style) users in Virtualizor, set resource pools, restrict features, add staff admins with ACLs and suspend or delete users.
DirectAdmin: switch PHP versions per domain
Set the PHP version for one domain in DirectAdmin and edit that domain's php.ini limits, then verify the change with phpinfo and PHP-FPM.
VirtFusion system requirements for control servers and hypervisors
Plan VirtFusion hardware and software before you install: control server sizing, hypervisor CPU, RAM and storage needs, supported operating systems, ports and network layout.
Hosting resource limits explained: storage, bandwidth, inodes, CPU, RAM and entry processes
What each hosting limit really measures, what happens when you reach it, and how to tell whether you need optimisation or a bigger plan. Includes 'unlimited' claims.
Enable HTTP/2 in Apache with mod_http2
Turn on HTTP/2 in Apache 2.4: switch to the event MPM and PHP-FPM, enable mod_http2, set the Protocols directive, check TLS requirements and verify that browsers negotiate h2.
Remove (uninstall) an app with Softaculous safely
Uninstall a WordPress or other Softaculous installation cleanly: back it up, choose whether to delete the folder, database and database user, and clean leftovers.
Still stuck?
Ask MdmHost AI for a quick answer, or open a ticket and our team will take a look. We are here 24/7.