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
- 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
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.
cPanel
Restore files and folders from JetBackup 5 in cPanel
Restore deleted or broken website files from MdmHost's daily JetBackup 5 snapshots in cPanel: pick a date, choose files or folders, and restore or download them.
Explore all guides
A fresh mix every day. Pick a topic above to narrow it down.
PowerShell essentials for Windows Server administrators
The PowerShell commands every Windows Server VPS owner should know: services, processes, files, networking, users, updates and events, with safe examples.
Self-host Gitea with Docker for your own private Git server
Run Gitea in Docker on a Linux VPS with its own SSH and HTTP ports, then push your first repository over SSH.
Configure ModSecurity in WHM: vendors, rules and per-domain control (root guide)
Set up ModSecurity on a cPanel server as root: choose a rule vendor, enable or disable rules, read hits in ModSecurity Tools and handle false positives per domain.
How to create a MySQL user and grant privileges
Create MySQL and MariaDB user accounts, understand the host part, grant only the rights each app needs, and review, revoke or drop access safely.
How to fix a 414 Request-URI Too Long error
A 414 Request-URI Too Long error means the URL is longer than the server accepts. Find out what creates huge URLs, such as redirect loops and long query strings, and how to fix them.
Choose and change the PHP version for WordPress
Pick a supported PHP version for WordPress, check plugin and theme compatibility, switch versions in cPanel with Select PHP Version or MultiPHP and roll back if needed.
Proxy WebSocket connections through Nginx
Make WebSockets work behind Nginx by passing the Upgrade and Connection headers, using a map for connection_upgrade, raising read timeouts, and testing the socket.
Reinstall the OS on a VPS: checklist before and after
A safe checklist for reinstalling your VPS operating system: what to back up, how to record configs and DNS, choosing the OS, what to do right after reinstall, and how to restore.
GDPR tools in WHMCS: consent, data export and deletion
Configure WHMCS privacy features: marketing consent, terms acceptance logging, client data export, automatic removal of inactive clients and handling erasure requests.
How to install Plesk on a Linux VPS (AlmaLinux and Ubuntu)
Install Plesk on a fresh Linux VPS with the official one-click installer, apply your licence key and log in to the panel for the first time on port 8443.
qcow2 vs raw: choosing a KVM disk image format
Compare qcow2 and raw virtual disk formats for KVM: performance, thin provisioning, snapshots, and how LVM, ZFS and Ceph change the picture, with qemu-img commands to convert and resize.
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.
SNI explained: many SSL certificates on one IP address
How Server Name Indication lets a web server pick the right certificate for each domain on a shared IP, how Nginx, Apache and LiteSpeed use it, the default certificate problem and how to test SNI.
SSL certificate types explained: DV vs OV vs EV
The difference between Domain Validated, Organization Validated and Extended Validation SSL certificates, what each one proves, and which one your website actually needs.
Use SSH keys in PuTTY with Pageant
Log in to your Linux VPS with an SSH key in PuTTY, either by pointing a saved session at a.ppk file or by loading keys into the Pageant agent, and start Pageant automatically with Windows.
Emulation vs virtualization: run ARM VMs and binaries on x86 with QEMU
Understand the difference between emulation and virtualization, run an ARM64 VM on an x86 host with QEMU TCG, run foreign binaries with qemu-user and binfmt, and build multi-arch Docker images.
Change the WordPress site URL or domain
Change your WordPress address safely: update Settings, wp-config.php or the database, then replace old links so images and menus keep working.
Set up an authoritative DNS server with BIND on Linux
Install BIND, create a primary zone file for your domain, disable open recursion, add a secondary server with zone transfers, register glue records and test with dig.
Install Softaculous on DirectAdmin or Plesk
Install the Softaculous auto-installer on a DirectAdmin or Plesk server: requirements, licence, install commands, first configuration, verification and common errors.
Set Up PostgreSQL Streaming Replication on a Linux VPS
Configure a PostgreSQL primary with a replication role and slot, clone it with pg_basebackup, and bring up a standby that streams WAL in real time.
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