Guides from the NOC

SSH connection refused or timed out on your VPS? Learn how to regain access via console, unban your IP, fix UFW rules, and reset your root password.

Set up automated off-site VPS backups with cron and rclone so your files and database survive even if the whole server is lost. Step-by-step guide.

VPS mail bouncing or landing in spam even with SPF/DKIM/DMARC set? Learn how to check, request, and match a PTR (reverse DNS) record the right way.

Set up ConfigServer Security & Firewall (CSF) in WHM the right way: correct ports, testing mode, LFD alerts, and how to recover if you lock yourself out.

Learn how to install Docker on your VPS the right way, run your first container, and fix the permission, port, and disk-space issues that trip people up.

WordPress slow for logged-in users despite page caching? Set up Redis object cache on your VPS the right way, and fix the common connection issues.

Let's Encrypt renewal failing on your VPS? Learn the six real causes - port 80, DNS-01, rate limits, missing hooks - and fix each one step by step.

Learn how to host several websites on a single VPS with Nginx server blocks - correct document roots, per-domain SSL, and fixes for common config mistakes.

VPS randomly killing MySQL or PHP-FPM? Learn how to confirm an OOM kill, add swap space fast, and right-size PHP-FPM and MySQL so it stops recurring.

VPS running slow or unresponsive? Learn how to find the process eating your CPU - PHP-FPM, MySQL, cron, or a bad bot - and fix it for good.

Learn when to take a VPS snapshot, how to restore one in minutes, and why snapshots aren't a replacement for real backups. Practical Getwebup guide.

New VPS setup checklist: SSH keys, sudo user, UFW firewall, swap, fail2ban and a snapshot baseline - all in the critical first hour after deployment.

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.

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.

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.

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

Cut spam and brute-force logins by blocking traffic from specific countries using CSF's CC_DENY on a VPS or Cloudflare firewall rules - step by step.

Skip the extra Varnish daemon. Set up Nginx's built-in FastCGI cache to speed up PHP-FPM sites on your VPS, with safe rules for logged-in users and carts.

Locked out of your VPS with SSH "Permission denied (publickey)"? Every real cause - wrong key, bad permissions, SELinux, sshd_config - and the fix for each.

SELinux blocking Nginx with 403 or Permission denied on your AlmaLinux VPS? Read the AVC denial, fix file contexts, booleans and ports the right way.

Learn how to configure Nginx limit_req to stop bot floods and brute-force attacks on your VPS, with real config examples, testing steps, and common mistakes.

Managing dozens of WordPress sites on one VPS or WHM reseller account? Use a safe WP-CLI loop script to update plugins, themes, and core everywhere at once.

Published Docker container ports staying open even after UFW denies them? Learn why Docker bypasses UFW via iptables, and how to actually lock it down.

wp-login.php getting hammered by bots? Set up a custom Fail2Ban jail on your VPS to block WordPress login brute-force attacks right at the firewall level.