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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LiteSpeed vs OpenLiteSpeed for Hosting Servers: Which to Pick
LiteSpeed Enterprise vs OpenLiteSpeed for hosting servers: .htaccess handling, panel support, licence tiers, cache and when to pick each.
October 6, 2026
Install OpenLiteSpeed and WordPress on AlmaLinux 10 (No Panel)
Install OpenLiteSpeed, LSPHP 8.4, MariaDB and WordPress on AlmaLinux 10 from the official LiteSpeed repository, with HTTPS and LiteSpeed Cache.
October 6, 2026
Stuck lsphp Processes on cPanel LiteSpeed: Diagnose and Kill Safely
Find, diagnose and safely kill stuck lsphp processes on cPanel servers running LiteSpeed, then tune LSAPI limits so they stop piling up.
October 6, 2026
ERR_CERT_COMMON_NAME_INVALID on cPanel: Wrong Certificate Served
Fix ERR_CERT_COMMON_NAME_INVALID on cPanel: find which certificate each IP and port serves, then fix DNS, AutoSSL coverage, panel ports, mail SNI or the proxy.
October 6, 2026
Let’s Encrypt Changes 2025 to 2028: What Hosting Admins Must Do
Let's Encrypt changes from 2025 to 2028: no expiry emails, no OCSP, no clientAuth EKU, Gen Y intermediates, 64- then 45-day certificates, and what cPanel and DirectAdmin admins must do.
October 6, 2026
200-Day SSL Certificates and DCV Reuse: What It Means for AutoSSL
The CA/B Forum schedule: 200-day certificates and DCV reuse from March 2026, then 100 and 47 days, retired email validation, DNSSEC checks, and what it means for AutoSSL and ACME.
October 6, 2026
DirectAdmin CustomBuild Failed: Logs, Lock File, Re-run and Rollback
Fix a failed DirectAdmin CustomBuild run: find the log, check the lock file, fix common compile errors, re-run one component and roll back a version.
October 6, 2026
SPF Too Many DNS Lookups: Fix PermError and the 10-Lookup Limit
Fix SPF PermError "too many DNS lookups": what counts toward the 10-lookup and void-lookup limits, how to count includes, and safe fixes.
October 6, 2026
Find a DKIM Selector: Headers, Panel Defaults and Key Checks
Find a domain's DKIM selector from the DKIM-Signature header, the cPanel, DirectAdmin, Microsoft 365 and Google defaults, and check that the published key is valid.
October 6, 2026
Split a 2048-bit DKIM TXT Record Over 255 Characters
Split a 2048-bit DKIM TXT record over 255 characters correctly in cPanel, DirectAdmin, Cloudflare and BIND, with lab-tested commands to build and verify the strings.
October 6, 2026
Gmail and Yahoo Bulk Sender Requirements: 2026 Host Checklist
Gmail and Yahoo bulk sender rules for 2026: the 5,000-a-day threshold, SPF, DKIM, DMARC alignment, one-click unsubscribe, 0.3% spam rate and a host checklist.
October 6, 2026
One-Click Unsubscribe (RFC 8058) for Exim, Postfix, WordPress
Add RFC 8058 one-click unsubscribe correctly: List-Unsubscribe and List-Unsubscribe-Post headers, DKIM signing in Exim and OpenDKIM, a WordPress example and a tested endpoint.
October 6, 2026