Course Category: High Availability
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How to configure High Availability for a Web Server using Syncthing and HAProxy (on OPNSense)
Running a mission-critical website on a single web server creates a significant risk, as routine maintenance or unexpected hardware failures can take your service offline instantly. This tutorial guides you…
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Set up a Galera Witness on Hetzner VPS using Terraform + Ansible (AWX)
In this tutorial, we will automate deployment of a VPS on Hetzner (a renowned EU cloud based provider) using Terraform and configure it using Ansible – all triggered from AWX.…
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OPNSense in HA with CARP with dual WANs
This tutorial explains how to join 2+ OPNSense boxes in a cluster (pfSync) with LAN + WAN High Availability (CARP). We will configure a consumer-grade router as an example to receive web traffic and share it via CARP with the main OPNSense unit that runs HAProxy. Buckle in for a ride that you will not forget!