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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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504 guides match “cpanel” · Clear search
WordPress stuck in maintenance mode: how to fix it
Is your site showing "Briefly unavailable for scheduled maintenance" after an update? Learn why WordPress gets stuck in maintenance mode and how to fix it in a minute.
How to fix NET::ERR_CERT_DATE_INVALID
NET::ERR_CERT_DATE_INVALID means the certificate is expired or not yet valid, or your device clock is wrong. Learn how to tell which and fix it as a visitor or site owner.
How to fix NET::ERR_CERT_COMMON_NAME_INVALID
NET::ERR_CERT_COMMON_NAME_INVALID means the SSL certificate does not cover the domain you visited. Learn why it happens with www, subdomains and shared IPs, and how to fix it.
How to fix ERR_CONNECTION_RESET
ERR_CONNECTION_RESET means the connection was cut off mid-way. Find out how firewalls, proxies, MTU problems and server limits cause it, and the fixes for visitors and site owners.
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.
Website migration checklist: move hosts without losing anything
A complete website migration checklist for moving hosts: inventory, backups, restore, email, DNS cut-over and post-migration checks, in the order you should do them.
How to fix Cloudflare Error 524: A timeout occurred
Cloudflare Error 524 means your server accepted the connection but took longer than 100 seconds to respond. Learn how to find slow scripts and fix error 524.
Which control panel should you install on your VPS?
Compare web hosting control panels for a VPS: cPanel/WHM, Plesk, DirectAdmin, Webuzo and free panels, by licensing model, OS support, resource needs and use case, or skip a panel entirely.
Fix common Git errors when deploying on a server
Fix the Git errors that block deployments: dubious ownership, local changes would be overwritten, divergent branches, permission denied (publickey) and authentication failed.
Why forwarded email fails SPF and DMARC: SRS and ARC explained
Why forwarding breaks SPF and sometimes DKIM, how Sender Rewriting Scheme (SRS) and ARC fix it, how to enable SRS on cPanel and Postfix, and safer alternatives to forwarding.
Fix "Maximum execution time exceeded" PHP errors
Fix the PHP fatal error 'Maximum execution time of 30 seconds exceeded': raise max_execution_time correctly, align web server timeouts and move long tasks out of web requests.
What is WHMCS? Billing and automation for hosting resellers explained
What WHMCS does for a hosting business: client area, automated provisioning with cPanel/WHM, invoicing and payments, domain reselling, support tickets, and how a reseller sets it up.
How resellers migrate new clients from other hosts without downtime
A step-by-step process for hosting resellers to onboard and migrate client websites, email and domains from another host: discovery, cPanel transfers, testing, DNS cutover and aftercare.
Got a CloudLinux "resource limits reached" email? What it means
What the CloudLinux email about reaching CPU, memory, IO or entry process limits means, how to read it, whether to worry, and what to do to stop the faults.
Support workflow for resellers: what to handle and what to escalate
A practical support workflow for WHM resellers: which customer issues to solve yourself in WHM and cPanel, what to escalate to MdmHost, and what to include in a good ticket.
Imunify360 firewall settings: ports, country blocking and DoS protection (root guide)
Configure the Imunify360 firewall as root: open and close TCP/UDP ports, block countries, enable DoS protection, and avoid locking out cPanel, mail or SSH.
Offer free trial hosting accounts safely as a reseller
How to run free trial cPanel accounts on a reseller plan without inviting abuse: limited trial packages, verification, short expiry, outgoing mail limits and conversion steps.
Enable greylisting in WHM to cut spam (root guide)
Turn on cPanel greylisting in WHM as root to reject first-time senders temporarily, set delay and expiry times, whitelist trusted senders and avoid delaying important mail.
CloudLinux I/O and IOPS limits: why your site is slow during backups and imports
How CloudLinux IO and IOPS limits affect disk-heavy tasks such as backups, imports and image processing, how to spot IO faults in Resource Usage and how to reduce disk load.
Add security headers with .htaccess on LiteSpeed (HSTS, CSP, X-Frame-Options)
Add HTTP security headers such as HSTS, X-Content-Type-Options, X-Frame-Options, Referrer-Policy and Content-Security-Policy to a site on LiteSpeed hosting with .htaccess.
Browse by topic
- 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
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