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.
Connect to RDP port 3389 from office, hotel or school Wi-Fi
Some office, hotel and campus networks block outbound Remote Desktop traffic on port 3389. Learn how to confirm the block and the safe ways to reach your server anyway.
Restore DNS zones, cron jobs, SSL certificates and FTP accounts with JetBackup 5
How to restore individual DNS zones, cron jobs, SSL certificates and FTP accounts from JetBackup 5 in cPanel without overwriting your files, databases or email.
CloudLinux AccelerateWP explained: one-click WordPress optimisation
What CloudLinux AccelerateWP is, how its optimisation suite and smart advice work with WordPress, how it compares with LiteSpeed Cache, and when to use it.
Enable MySQL TLS and Require Encrypted Connections
Enable TLS on MySQL or MariaDB, point the server at its certificate files, and force every client to connect over an encrypted channel.
Find why a WordPress site is slow with CloudLinux X-Ray
Use CloudLinux X-Ray to trace slow PHP requests: see which plugins, database queries and external calls take time, and turn the findings into concrete fixes.
How to fix DNS_PROBE_FINISHED_NXDOMAIN
DNS_PROBE_FINISHED_NXDOMAIN means the domain name could not be found in DNS. Learn how to check if the domain is registered, expired or misconfigured, and fix it.
Choose and change a theme in SitePad
Pick the right SitePad theme for your business, preview it on mobile, switch themes later without losing content and customise colours and fonts globally.
Create and edit.rdp files: the settings that matter
An.rdp file is a plain text list of Remote Desktop settings. Learn the lines that matter, from the address with port 3389 to screen mode, redirection and reconnect.
Fix "Too many open files" errors on Linux
Understand file descriptor limits, check what a process is allowed and using, and raise limits correctly for systemd services, Nginx, MySQL, Node.js and user sessions.
Optimizing Redis for high-read, low-latency applications
Tune maxmemory, eviction and persistence so Redis answers read-heavy traffic in under a millisecond, and learn which kernel settings stop latency spikes.
How does a VPS work? From physical host to your root shell
Follow a VPS from the physical host through the hypervisor, storage and network to the panel that provisions it, and learn what is dedicated, what is shared and what you manage yourself.
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.
View and configure VPS IP addresses (IPv4 and IPv6) in Virtualizor
Find your VPS IPv4 and IPv6 addresses, gateway and netmask in Virtualizor, add an extra IP inside Linux, enable IPv6 and fix networking after changes.
What is a server hostname?
A hostname is the name a server uses for itself. Learn how it differs from a domain name and an IP address, how to choose a good one, and how it relates to DNS and reverse DNS.
Build a home lab for virtualization: hardware and software choices
Plan a home lab for learning virtualization: choosing CPU, RAM, storage and networking, mini PCs vs used servers, power and noise, and which hypervisor and first projects to start with.
Fix email deliverability for customer accounts in WHM
Check and repair SPF, DKIM and PTR records for your customers' domains with WHM Email Deliverability, add DMARC, and stop mail landing in spam.
Fix Apache failed to start (AH00072 port in use and config errors)
When Apache will not start, run a config test, read journalctl, and fix the usual causes - AH00072 port already in use, syntax errors, missing certificates and the AH00558 ServerName warning.
Linux vs Windows servers: which should you choose?
Compare Linux and Windows Server for hosting: supported apps (PHP vs ASP.NET), web servers, control panels, licensing, remote access, security and admin skills required.
Install the VirtFusion control server: requirements and setup
Prepare a clean server, run the official VirtFusion control installer, finish the first login, activate the licence and secure the control panel before adding hypervisors.
Advanced Windows Security: Restricting PowerShell Execution Policies
Lock down PowerShell on your Windows VPS by setting execution policies per scope, enforcing them with Group Policy, and signing your own scripts so only trusted code runs.
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