Guides from the NOC

Fix Windows VPS RDP connection errors and stop brute-force login attempts with port changes, NLA, firewall rules, and strict account lockout policies.

WHM showing a cPanel license verification error? Here's why it happens after IP changes, firewall blocks, or clock drift, and how to fix it fast.

Run your own private Git server on a VPS with Gitea. Step-by-step setup with Docker, Nginx reverse proxy, HTTPS, SSH push, and backup tips.

VPS disk full because of Docker? Learn why images, logs, and volumes pile up, and how to safely clear them with docker system prune and log rotation limits.

Restore MySQL to the exact second before a bad query hit with binary log point-in-time recovery. Setup, restore steps, and mistakes to avoid.

Provision VPS servers with Terraform instead of clicking through a dashboard: write reusable, version-controlled infrastructure code, step by step.

Set up Traefik on your VPS to auto-route Docker containers and issue Let's Encrypt SSL with zero config reloads. Step-by-step guide with fixes for common err...

Learn how DNS failover keeps your site online when your VPS goes down, with practical Cloudflare, DNS provider, and self-managed failover setup steps.

Install RabbitMQ on an Ubuntu VPS, lock down the default guest account, open it safely for remote workers, and fix the connection errors that trip people up.

New VPS mail server landing in spam despite correct SPF/DKIM/DMARC? Learn the IP warmup ramp-up schedule that builds sender reputation properly.

Step-by-step guide to deploying Django or Flask on a VPS with Gunicorn, Nginx as a reverse proxy, and systemd, so it survives reboots, crashes, and deploys.

Run cloudflared on your VPS to expose n8n, Grafana, or admin dashboards through Cloudflare Tunnel — no open inbound ports, no cert to manage.

Self-host n8n workflow automation on a VPS using Docker, Postgres, and Nginx with HTTPS, plus fixes for webhook, encryption key, and disk-space errors.

Learn how to load test your VPS with ab, wrk, and k6 before a launch or sale, and fix the PHP-FPM, MySQL, and Nginx limits that cause it to fall over.

Install MinIO on your VPS for self-hosted S3-compatible object storage: systemd service, Nginx TLS proxy, bucket policies, and fixes for common errors.

Docker quietly filling your VPS disk with old images, logs, and volumes? Find out what's eating space and clean it up safely without breaking containers.

Running Docker Compose on a VPS? Fix containers that vanish after reboot, port conflicts with Nginx, volume permission errors, and lost data, the right way.

Go beyond Netdata's live view: install Prometheus and Grafana on your VPS for long-term history, multi-server dashboards, and real alerts.

Still running CentOS 7 or 8 past its end-of-life date? Here's how to safely migrate your VPS to AlmaLinux or Rocky Linux without losing data or uptime.

VPS clock right but cron, WordPress, and MySQL times don't match? Fix timezone settings across OS, PHP, MySQL, cron, and Docker layer by layer.

Adding IPv6 to your VPS? Learn how to configure netplan, UFW/ip6tables, and SSH the right way so IPv6 works without locking you out or breaking IPv4.

Planning a do-release-upgrade on your Ubuntu VPS? Use this safe checklist to avoid downtime, broken PHP/Nginx configs, and SSH lockouts mid-upgrade.

Docker or WireGuard failing with 'Operation not permitted' on your VPS? Learn the KVM vs OpenVZ difference, how to check yours, and how to fix it for good.

Add TOTP two-factor authentication to SSH logins on your VPS using PAM and Google Authenticator, including the fix for the lockout risk everyone hits first.