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.
MdmHost guides
Step-by-step help for your hosting
1,231 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.69 guides
- cPanelFiles, databases, email, domains and every cPanel tool, step by step.37 guides
- WHM & resellingWHM, packages, reseller accounts, WHMReseller and running a hosting brand.49 guides
- WordPressInstall, secure, speed up, migrate and fix WordPress sites.40 guides
- Email & webmailMailboxes, webmail, forwarders, spam filters and email delivery.37 guides
- DomainsRegistering, transferring and managing domains and nameservers.20 guides
- SSL certificatesFree AutoSSL, Let's Encrypt, paid certificates and HTTPS.19 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.30 guides
- Imunify360Malware scanning, firewall and proactive defence with Imunify360.23 guides
- SoftaculousInstall, update, clone and back up apps with Softaculous.23 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.7 guides
- VirtualizorManage your VPS with Virtualizor: power, OS reinstall, VNC, IPs and backups.30 guides
- PleskWebsites, email, databases and settings in the Plesk panel.52 guides
- DirectAdminUsers, domains, email and reseller tools in DirectAdmin.40 guides
- WHMCSBilling, automation, products and client management with WHMCS.51 guides
- Control panelscPanel & WHM, Plesk, DirectAdmin and other panels on your VPS.106 guides
- SecurityKeys, passwords, firewalls and keeping a server patched.115 guides
- Networking & DNSIP addresses, reverse DNS, ports and traffic.34 guides
- Websites & appsWeb servers, WordPress, PHP, Node.js, SSL and app hosting.52 guides
- DatabasesMySQL, MariaDB, PostgreSQL, Redis and MongoDB on a VPS.64 guides
- Billing & accountInvoices, renewals, the client area and your account.9 guides
- TroubleshootingWhen something is not working: checks and fixes.68 guides
- Linux VPSSSH, packages, services and everyday Linux administration.70 guides
- Windows VPS & RDPRemote Desktop, Windows Server settings and Admin RDP tips.58 guides
- Docker & DevOpsContainers, Git deploys, automation, monitoring and backups.58 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.
Choosing a VPS for bots and automation scripts
Size a server for Discord or Telegram bots, scrapers and scheduled scripts, and see why a VPS that runs 24/7 is a good home for automation.
Create a sudo user on Ubuntu, Debian, AlmaLinux and Rocky Linux
Add a personal admin account with sudo rights, give it your SSH key, and test it properly before you stop logging in as root.
Next.js static export: host a Next.js site on any web hosting
Turn a Next.js app into plain HTML, CSS and JS with output: export, upload the out folder to public_html and fix routing, images and trailing slashes.
Set up a WP Squared server: planning, install and configuration
Root-level overview of WP Squared: server requirements, licensing, installation on a fresh server, first configuration, provisioning sites and keeping it updated.
Fix Docker daemon not starting
Docker service failed to start? Read the real error with journalctl, then fix an invalid daemon.json, conflicting options, storage driver and overlay errors, a full disk or iptables problems.
Common email bounce errors explained (550, 552, 554, 421) on cPanel
Understand the bounce messages you receive from cPanel mail servers: user unknown, mailbox full, SPF and DMARC failures, blocklists, rate limits and temporary deferrals.
Set up DKIM, SPF and DMARC in DirectAdmin
Enable DKIM signing for a domain in DirectAdmin, review the SPF record, add a DMARC policy, copy records to external DNS and verify that mail passes authentication.
Linux Firewall: Using iptables to Implement Connection Tracking Limits
Cap new and simultaneous connections on a Linux VPS with iptables conntrack, limit, connlimit and hashlimit rules, and size the conntrack table so it does not fill up.
Add a slave server (node) to Virtualizor
Install Virtualizor on a second server as a slave, connect it to the master with its key, add storage and IP pools for the node and place new VPS on it.
Customise the WHMCS client area theme (Twenty-One) safely
Brand the WHMCS client area: create a child theme of Twenty-One, add your logo and colours with custom CSS, edit templates and menus with hooks, and keep changes upgrade-safe.
Fix Caddy certificate errors and ACME failures
Diagnose why Caddy cannot get a TLS certificate. Check DNS, open ports 80 and 443, read Caddy's logs, handle Cloudflare proxying and rate limits, and test safely with the staging CA.
Free up disk space on a Linux VPS
Find what is using space, then safely clear package caches, systemd journal logs, old Docker data and large log files without breaking running services.
Set up a WireGuard VPN server on a Linux VPS
Install WireGuard on an Ubuntu or Debian VPS, create server and client keys, enable forwarding and NAT, and connect from Windows, macOS or a phone.
Self-host Jellyfin with Docker and hardware transcoding
Install Jellyfin in Docker on a Linux VPS, mount your media library, publish it over HTTPS and switch on hardware transcoding with VAAPI or Intel Quick Sync.
Publish a quick placeholder website with cPanel Site Publisher
Create a simple one-page site, 'coming soon' page or business card in minutes with cPanel Site Publisher templates, and replace it later with your real website.
Install Windows updates from PowerShell with PSWindowsUpdate
Use the PSWindowsUpdate module to list, install and hide Windows updates from PowerShell, control when the server restarts, and run updates on a schedule.
Manage DNS records in DirectAdmin
Add and edit A, CNAME, MX, TXT and CAA records in DirectAdmin DNS Management, change TTL, point mail to an external provider and avoid common DNS mistakes.
View file contents in Linux: cat, less, head and tail
Read files on a Linux server with cat, less, head and tail, search inside long files, follow logs live with tail -f and open very large files without slowing the server.
Monitor a Plesk server with Monitoring and service alerts
Use the Plesk Monitoring extension for CPU, RAM, disk and traffic graphs, set alert thresholds and notifications, and use Services Management to restart failed services.
How to install aaPanel on Ubuntu or Debian
Run the aaPanel install script on Ubuntu or Debian, open the panel port in your firewall, and finish the browser setup so you can host sites from the panel.
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