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Guides from the NOC

Written from running the hardware — what breaks, why, and the command that fixes it.

423 posts.

All 423 Most read WordPress 102 VPS 98 Troubleshooting 86 Hosting 73 Domains 35 cPanel 29
WordPress WordPress Security Hardening: A Practical Checklist

Lock down your WordPress site: strong auth, login limits, file permissions, disabled editors, and backups. A practical hardening checklist that actually helps.

12 July 2026 · 5 min · 11 views VPS Nginx Reverse Proxy on a VPS: Setup Guide and Fixing 502/504

Set up Nginx as a reverse proxy on your VPS, secure it with free Let's Encrypt SSL, and fix 502 Bad Gateway, 504 Timeout, and WebSocket disconnect errors.

12 July 2026 · 6 min · 12 views Hosting Managing MySQL Databases in cPanel with phpMyAdmin

Learn to create MySQL databases and users in cPanel, fix #1045 access denied errors, and import or export large databases through phpMyAdmin without timeouts.

12 July 2026 · 5 min · 13 views Hosting cPanel Addon Domains vs Subdomains: How to Add Each

Confused between an addon domain and a subdomain in cPanel? Learn the real difference and the exact steps to add and troubleshoot each one.

12 July 2026 · 6 min · 14 views Hosting How to Create and Manage Email Accounts in cPanel

Learn how to create, configure, and manage email accounts in cPanel - webmail access, mail client setup, quotas, and fixing common login or delivery issues.

12 July 2026 · 6 min · 13 views Hosting cPanel Backups: How to Back Up Your Site and Restore It

Learn how to create full and partial cPanel backups, store them safely off-server, and restore files or a database fast without losing data or extra downtime.

12 July 2026 · 6 min · 9 views Domains Point Your Domain to Getwebup: Nameservers vs A Record

Confused about pointing your domain to your host? Learn when to use nameservers vs an A record, with exact steps and the mistakes that cause downtime.

12 July 2026 · 5 min · 8 views VPS VPS Firewall Basics: Set Up UFW and Close Open Ports

Learn how to set up UFW on your VPS, allow only the ports you need, and stop random port scans from finding an open door into your server.

12 July 2026 · 6 min · 15 views Hosting cPanel 403 Forbidden? Fix File & Folder Permissions Fast

Getting a 403 Forbidden error in cPanel or on your live site? Learn the correct file and folder permission numbers and fix them safely, step by step.

12 July 2026 · 5 min · 16 views WordPress WordPress White Screen of Death: Causes and the Fix

Blank white page instead of your WordPress site? Find the exact PHP error, isolate the plugin or theme causing it, and get your site back online.

11 July 2026 · 5 min · 7 views VPS VPS Disk Full? Find What's Eating Space and Fix It

VPS showing 'No space left on device'? Learn how to find what's eating disk space, clear logs and backups safely, and prevent it from recurring.

11 July 2026 · 5 min · 18 views VPS SSH Hardening on Your VPS: Keys, Sudo User & Fail2Ban

Stop SSH brute-force bots on your VPS: set up key-based login, disable root access, and configure Fail2Ban step by step.

11 July 2026 · 5 min · 14 views Domains Email Going to Spam? Fix SPF, DKIM & DMARC Records

Emails landing in spam or bouncing back? Learn how to set up SPF, DKIM, DMARC and MX records correctly so your domain's mail actually gets delivered.

11 July 2026 · 5 min · 20 views Hosting cPanel AutoSSL Failing? Fix That 'Not Secure' Warning

Chrome shows 'Not Secure' after cPanel AutoSSL renews? Learn the real causes-CAA records, Cloudflare, mixed content-and fix them step by step.

11 July 2026 · 5 min · 13 views WordPress Fix 'Error Establishing a Database Connection' in WordPress

Seeing 'Error establishing a database connection' in WordPress? Diagnose wp-config.php, restart MySQL and repair the database with step-by-step cPanel fixes.

11 July 2026 · 6 min · 25 views