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Guides from the NOC

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

3 posts matching “acme” · Clear

All 3 Most read VPS 2 Troubleshooting 1
Troubleshooting SSL Validation Failing? Fix Blocked .well-known/acme-challenge

AutoSSL or Certbot can't validate your domain? Learn why .well-known/acme-challenge gets blocked and how to fix it on cPanel, Nginx, and Apache.

29 July 2026 · 6 min · 29 views VPS Set Up Caddy on a VPS With Automatic HTTPS

Install Caddy on your VPS and get free auto-renewing HTTPS with zero Certbot config. Step-by-step setup, reverse proxy examples, and fixes for common errors.

27 July 2026 · 6 min · 12 views VPS Wildcard SSL with Let's Encrypt: DNS-01 Setup Guide

Wildcard SSL failing over HTTP-01? Learn why Let's Encrypt needs DNS-01 validation and how to set up wildcard certs with Certbot or acme.sh.

15 July 2026 · 6 min · 22 views