Step-by-step guides and fixes for server administrators: cPanel, DirectAdmin, Windows Server, email, DNS, security and more. Free to read, tested on real servers. Press / to search.
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cPanel Meridian, Ask AI and Nova: Enable or Disable
cPanel & WHM 138 ships the opt-in Meridian theme, the Ask AI assistant and the Nova AI site builder. This guide explains how each is enabled and restricted through feature lists and Tweak Settings, and how to withdraw them cleanly.
September 29, 2026
cPanel MCP AI Agent Access (v138): Secure Setup and Audit
cPanel & WHM 138 lets an account holder authorise external AI clients through the Model Context Protocol. This guide covers enabling the feature, authorising a client from the WHM widget, scoping what it may do, and reviewing the audit trail.
September 29, 2026
“cPanel license is invalid”: troubleshooting manage2, IP changes and firewalls
What to check when WHM shows a licence error, including the licence server verification tool, IP mismatches after a migration, NAT and firewall blocks on the licence check, expired trials and stale manage2 entries, with the exact commands to confirm each cause.
September 29, 2026
Exim Outbound Mail Limits WHM: Stop Spam Runs Fast
How to configure the WHM Tweak Settings and Exim options that limit outbound mail per domain, defer rather than reject over-limit senders, record the script or user that generated each message, and stop the web server user from sending mail directly to remote hosts.
September 29, 2026
cPanel ELevate AlmaLinux 8 to 9 to 10: Safe Upgrade Steps
How to move a cPanel & WHM server from AlmaLinux 8 to 9 and then to 10 in place using cPanel's ELevate tool, including the pre-checks that block upgrades and how to recover from a failed stage.
September 29, 2026
cPanel Pricing 2026: Licensing Explained Without Mistakes
A plain explanation of cPanel's 2026 licence tiers and prices, how account counts and overage charges work, the differences between direct and distributor licences, what WP Squared is, and practical ways hosting providers keep licence costs under control.
September 29, 2026
cPanel CVE Build Numbers 2026: Is Your Server Safe?
A reference for confirming a cPanel server is past each of the 2026 root-escalation and cross-account vulnerabilities, listing the fixed build per tier, how to read the version string, and what to do when a server is behind or on a retired tier.
September 29, 2026
Copy Fail Dirty Frag Mitigation: Critical 2026 Linux LPE Fix
How the three kernel local privilege-escalation flaws disclosed in spring 2026 work, how to block the modules they depend on immediately, what those blocks break, and how to verify a server is protected until a patched kernel or live patch is in place.
September 29, 2026
Convert MySQL to MariaDB Safely: No In-Place Switch in 2026
DirectAdmin's CustomBuild and cPanel both refuse to switch a server from MySQL to MariaDB in place; this guide explains why the data formats diverged, then walks through the supported dump-and-restore conversion on a DirectAdmin server with verification at each stage.
September 29, 2026
CloudLinux 10 cPanel: CageFS and LVE Limits, Upgrade Notes
A working guide to CloudLinux 10 on cPanel in 2026: how it differs from CloudLinux 9, supported cPanel and database versions, enabling CageFS and setting LVE limits from the command line, and the checks that confirm isolation is in force.
September 29, 2026
caching_sha2_password MariaDB 12: Fix MySQL 8 Client Problems
MariaDB 12.1 and later support the caching_sha2_password authentication plugin that MySQL 8 clients expect; this guide explains the resulting errors in both directions, how to check which plugin each account uses, and how to make PHP, CLI tools and replication clients connect.
September 29, 2026
cPanel AutoSSL Provider: Sectigo or Let’s Encrypt, Best Choice
How to choose and configure the AutoSSL provider on a cPanel server, enable the short-lived ACME certificate option introduced in version 136, and confirm that renewals happen well ahead of the shrinking industry lifetimes.
September 29, 2026