Latest Articles
275 posts
Fix High Disk I/O (%iowait) Slowing Down Your VPS
You've already ruled out CPU — top shows load that isn't crazy, cores aren't pegged, and yet the site still crawls, SSH feels sluggish, and MySQL queries…
Set Up Private Nameservers in WHM With Glue Records
If you resell hosting, run an agency, or just want your nameservers to say ns1.yourdomain.com instead of some generic hosting-provider name, you need what's ca…
Fix VPS Clock Drift With NTP Time Sync (Chrony Guide)
If your VPS is throwing SSL handshake failures that make no sense, cron jobs firing at the wrong time, or WHM suddenly refusing to log you in with a vague lice…
Fix 413 Request Entity Too Large on Nginx & Apache VPS
If you're running a site on your own VPS — Nginx in front, maybe Apache or PHP-FPM behind it — and a file upload suddenly dies with "413 Request En…
Domain Points to SkyServer But Shows the Default Page?
You updated the A record or nameservers exactly like the instructions said. A DNS checker confirms the domain resolves to the right IP. And yet, when you open …
Fix cPanel Upload Size Limit Errors: PHP.ini & .htaccess
If you've ever tried to upload a large media file, a plugin zip, or a database dump in cPanel or WordPress and hit a wall with "The uploaded file exceeds the u…
How to Enable DNSSEC for Your Domain (Setup + Fixes)
Every few months a customer asks us some version of the same question: "I saw DNSSEC mentioned in my registrar panel — should I turn it on?" Usually they…
Set Up IPv6 on Your VPS: AAAA Records & Firewall Rules
More networks are IPv6-only or IPv6-preferred than most admins realize, and if your VPS only answers on IPv4, a slice of your visitors are taking a slower path…
Set Up Your Own Mail Server on a VPS: Postfix + Dovecot
Most of the mail guides we publish are about fixing deliverability on an existing mailbox — SPF records, PTR entries, port 25 relays. This one's differen…
VPS Can't Send Email? Fix Blocked Port 25 With a Relay
You SSH into your VPS, fire off a test email from your PHP script or a plain sendmail command, and — nothing. No bounce, no error in the applic…