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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.
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
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.
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.
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.
Check that Windows is listening on RDP port 3389
Confirm from inside the server that Remote Desktop is configured for port 3389, the service is running and Windows is actually listening, then fix any mismatch.
Configure Proxmox high availability (HA) for VMs
Make Proxmox VMs restart automatically on another node when a host fails: cluster and shared storage requirements, fencing, HA groups, adding resources and testing failover.
Handle support tickets efficiently in the WHMCS admin area
Work through WHMCS tickets quickly: filters and flags, assigning and merging tickets, predefined replies, internal notes, ticket watchers, statuses and service context.
Diagnosing slow database performance: slow query optimization with EXPLAIN
Read MySQL and PostgreSQL execution plans with EXPLAIN, find full table scans and filesorts, add the index the query actually needs, and confirm the speed-up.
Rebuild or reinstall a VirtFusion server with a new OS
Reinstall a VirtFusion VPS with a fresh operating system from the admin area or the customer panel, keep the same IPs, and avoid losing data you still need.
What is a CDN and do you need one?
How a content delivery network caches your site on servers around the world, what it speeds up, how it works with DNS and SSL, and when a CDN is worth adding.
Fix "You are in emergency mode" on a Linux VPS
Get a Linux VPS out of systemd emergency mode: read journalctl to find the failed mount, fix a bad /etc/fstab entry or UUID, repair the filesystem with fsck and boot normally.
Pay an MdmHost invoice with a debit or credit card through PayPal, without a PayPal account
Use PayPal's guest checkout to pay an MdmHost invoice with a debit or credit card when you do not have, or do not want, a PayPal account.
How to set up private nameservers with cPanel & WHM
Set up private nameservers such as ns1.example.com for your cPanel server. Register child records at the registrar, set them in WHM, add A records and test with dig.
Fix "SSL certificate problem: unable to get local issuer certificate"
Fix TLS verification errors when your server, PHP, curl, Node.js or Python calls HTTPS APIs: outdated CA bundles, missing intermediate certificates, wrong clock and proxies.
Fix a full mailbox in cPanel: Email Disk Usage and quotas
Find out what fills a cPanel mailbox, clean old mail by folder and age with Email Disk Usage, raise the mailbox quota and stop "mailbox full" bounces.
View or control another user's RDP session (shadowing)
Use Remote Desktop shadowing on Windows Server to watch or take control of a colleague's session with mstsc /shadow, find session IDs and set the consent policy.
Website speed optimisation checklist for any site on cPanel hosting
A practical website speed optimisation checklist for any CMS or PHP site on cPanel hosting: measure first, then caching, compression, images, PHP version and OPcache, database, scripts and CDN.
Website security checklist for hosting customers (with Imunify360)
A practical security checklist for cPanel hosting customers: what Imunify360 already does for you, and the passwords, updates, backups and settings you still need to handle.
Set Up a MariaDB Galera Cluster on Multiple VPSs
Install MariaDB with the Galera provider on three Linux VPSs, configure wsrep, bootstrap the first node and confirm every node reports Synced.
Upgrade MySQL or MariaDB on a cPanel server in WHM (root guide)
Safely upgrade MySQL or MariaDB on cPanel as root with WHM's MySQL/MariaDB Upgrade tool: version choice, backups, compatibility checks, running the upgrade and rollback planning.
How to fix ERR_CONNECTION_REFUSED
ERR_CONNECTION_REFUSED means your browser reached the server address but nothing accepted the connection. Learn how to tell a local problem from a server one and fix it.
Add a contact form to a SitePad website
Add a working contact form in SitePad: place the form widget, choose fields, set the recipient email, add spam protection and make sure messages arrive.
Use sconfig to manage Windows Server quickly
sconfig is a numbered text menu for the core settings of Windows Server. Learn each option and why it is handy inside the browser console when Remote Desktop is not available.
Get free Let's Encrypt SSL certificates with Certbot on Linux
Install Certbot, issue Let's Encrypt certificates for Nginx or Apache, use webroot, standalone and DNS-01 wildcard modes, automate renewal with hooks and fix common errors.
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