Run Zabbix 7.4 on Docker Compose with HTTPS (No Reverse Proxy, DNS-01 Certbot, Bind Mounts Only)
This post shows a clean way to run Zabbix Server + Zabbix Web (NGINX) + MariaDB using Docker Compose, and […]
Observability & Operations
DNS-01
Identity, Security & PKI
Install Teleport Community Edition on Ubuntu 24.04 (Internal DNS + Let’s Encrypt DNS-01 via Cloudflare, TLS on :443)
This guide installs a single-node Teleport cluster (Auth + Proxy + SSH service on one host) on Ubuntu 24.04, secured
Containers & Kubernetes
Install Harbor 2.13.1 on Ubuntu 24.04 with HAProxy, Let’s Encrypt (DNS-01), and Systemd
What is Harbor? Harbor is a cloud-native container registry that secures and manages container images for your organization. Initially developed
Networking & Connectivity
Let’s Encrypt on OPNsense 25.1 Using DNS-01 with Cloudflare
You’ll need this to allow OPNsense to modify DNS records for validation. You may need to re-login to the WebGUI