Tech Blog

Site still showing old content after a server migration? Fix DNS propagation delays, TTL caching, and cutover verification the right way.

cPanel WHM restore stuck on a suspended account API error? Fix the Restore Filtered Accounts bug and database prefix issue in minutes.

Learn how to enable HSTS in Plesk for Nginx and Apache — add Strict-Transport-Security headers, configure includeSubDomains and preload, and verify the header with curl and SSL Labs.

A practical 2026 server management checklist for SaaS startups without a sysadmin: access, patching, backups, monitoring and when to get outside help.

Migrate MySQL databases to a new server without downtime using mysqldump --single-transaction, replication setup, and a safe cutover strategy with rollback plan.

Use this server migration checklist to vet requirements, backups, downtime and rollback plans before hiring a provider in 2026. Get a free quote.

Fix slow WordPress and PHP sites on DirectAdmin by tuning PHP-FPM pool settings: pm.max_children, process manager mode, and OOM killer prevention.

Fix Plesk's 'SSL CA is not correct. Intermediate certificate missing' error and incomplete certificate chain warnings with step-by-step CA bundle upload instructions and openssl verification commands.

Fix the 'cPanel 421 Too many concurrent SMTP connections' Exim error with step-by-step log diagnosis, abuse detection, and safe WHM connection-limit tuning for 2026.

Fix email deliverability on WHM servers — step-by-step setup for SPF, DKIM, DMARC, and rDNS/PTR records with CLI commands and troubleshooting tips.

Fixing DirectAdmin server high load: diagnose MySQL bottlenecks, Apache worker exhaustion, brute force attacks, disk I/O issues, and malware with this step-by-step guide.

Choosing hourly Linux server support as a hosting reseller in 2026: what tasks to hand over, 7 criteria to judge providers, red flags and how to run a trial.

Let's Encrypt SSL not auto-renewing in Plesk? Fix ACME challenge failures, renamed cert bugs, IPv6 DNS issues, and rate limits — step-by-step.

DirectAdmin task queue stuck or growing? Learn how to diagnose dataskq errors, clear a jammed task.queue file, and stop it from happening again.

A cPanel/WHM backup job stuck at 'In Progress' for hours usually means a frozen pkgacct process. Learn how to diagnose, safely kill, clean up, and prevent it from happening again.

Server downtime costs small businesses thousands per hour. See the real numbers, why cPanel servers go down, and how managed hosting prevents catastrophic losses.

Discover how web hosting companies, agencies, IT firms, and freelancers manage Linux servers with or without cPanel — and why CloudHouse is the trusted choice.

Step-by-step guide to migrating a cPanel server to a new host without downtime. Covers WHM Transfer Tool, rsync, email migration, DNS cutover, and post-migration verification.

Learn how to assign an SSL certificate to the Plesk mail server and fix IMAP, SMTP, and POP3 certificate errors. Stop the 'can't verify identity' error in email clients.

Roundcube webmail on Plesk throwing "Connection to storage server failed"? Learn the exact Dovecot, port, and SSL causes behind this IMAP error and how to fix it for good.

Resolve DirectAdmin SMTP 550 errors including 'No such recipient here', relay not permitted, sender verify failed, and authentication required. Step-by-step Exim fixes.

Discover the 10 best cPanel alternatives in 2026 — free, open-source, and paid options — with honest comparisons, security analysis, and a step-by-step migration guide.

Eliminate Plesk greylisting email delays. Configure whitelist rules for Office 365, adjust retry intervals, or disable greylisting. Step-by-step sysadmin guide.

Force HTTPS redirect in Plesk for Apache and Nginx step-by-step. Fix redirect loops, broken layouts, and mixed content errors. Complete 2026 guide.