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.
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- 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
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- 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.
LiteSpeed Cache TTL settings explained: how long pages stay cached
Understand the TTL tab in LiteSpeed Cache: default public, private, front page, feed and REST TTLs, how they interact with automatic purging, and sensible values.
Windows Server: Enable Network Level Authentication (NLA) on RDP
Network Level Authentication makes a client prove the user's credentials before Windows builds a Remote Desktop session. Enable NLA with the GUI, PowerShell or Group Policy, then verify it on port 3389.
Manage the Plesk mail queue and fix outgoing email problems
View and clear the Postfix mail queue in Plesk, find the account sending spam, set outgoing mail limits, and fix common delivery errors such as blacklisting and SPF fails.
Dedicated web server vs shared hosting: which does your site need?
How a shared web server and a dedicated web server (VPS or bare metal) differ in performance, isolation, control and effort, with clear signs that it is time to move up.
Add a contact form in Sitejet Builder
Add a contact form to a Sitejet website, choose fields and the recipient address, add privacy consent and spam protection, and make sure enquiries reach your inbox.
Switch Apache MPM to event in cPanel
Compare prefork, worker and event, switch Apache to the event MPM in EasyApache 4, move sites to PHP-FPM first and tune MaxRequestWorkers for your VPS.
Manage Proxmox LXC containers: resources, mounts and unprivileged mode
Run Proxmox LXC containers well: privileged vs unprivileged, changing CPU, RAM and disk, bind mounts for shared data, nesting for Docker, and container backups.
Install Docker and Docker Compose on a Linux VPS
Install Docker Engine and the Compose plugin from Docker's own repository, run a first Compose project, cap log size and avoid exposing ports by accident.
RDAP vs WHOIS: how domain registration lookups work today
What RDAP is, why it replaced WHOIS for gTLD domains, how to run a lookup, what data you will and will not see after GDPR, and how to reach a domain owner whose details are redacted.
Troubleshoot MTU problems: hanging pages, stuck SSH and slow VPNs
Recognise MTU and fragmentation problems, find the right MTU with ping, and fix it on Linux, Windows, WireGuard and Docker networks.
Manage CageFS as root: enable users, add tools and update the skeleton
Root guide to CageFS on CloudLinux: enable or disable it per user, list caged users, add commands to the cage, update and remount the skeleton and fix common errors.
How to create a cPanel account in WHM
Create a new cPanel account in WHM. Fill in the domain, username, password and package, choose IP and DNS options, then log in to the new account to check everything works.
How much CPU, RAM and disk does my VPS need?
A practical sizing guide for VPS plans: typical RAM and CPU needs for WordPress, PHP apps, Node.js, databases, Docker and Windows, how to estimate disk, and how to measure and adjust.
How to suspend or terminate a reseller and their accounts in WHMReseller
Suspend a reseller for non-payment together with all their cPanel accounts, unsuspend them later, or terminate a reseller safely after backing up their data.
Docker volumes vs bind mounts: store container data safely
Learn the difference between Docker named volumes and bind mounts, how to create, inspect and back up volumes, fix file permissions on bind mounts and find where the data lives on disk.
Set up Rspamd spam filtering and DKIM signing with Postfix
Install Rspamd with Redis, connect it to Postfix as a milter, set reject and junk thresholds, enable DKIM signing, use the web UI and train it with Dovecot.
Set up a Plesk mailbox in Outlook, Apple Mail, Thunderbird or a phone
Find the correct IMAP, POP3 and SMTP settings for a Plesk mailbox, use secure ports with SSL/TLS, configure Outlook, Apple Mail and phones, and fix login and certificate errors.
cPanel File Manager: upload, extract and edit files
Upload archives, extract them into the correct folder and edit files in the browser using cPanel File Manager — no FTP client required.
Create and send quotes in WHMCS
Create a quote for a prospect or client in WHMCS, add line items and validity, send it as PDF, let the customer accept online and convert it to an invoice.
Custom error pages in Nginx and Apache: 404, 403, 500 and 503
Replace default server error pages with branded ones: ErrorDocument in Apache and .htaccess, error_page in Nginx, a maintenance 503 page, and how to keep the right status codes for SEO.
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