After running Proxmox for about 2 months, I realized I hadn’t tried out LXC containers yet. What better way to start than setting up a reverse proxy?

What’s a Reverse Proxy?

Think of a reverse proxy like a bartender - you ask for a drink, and they handle getting it from the right place. More technically, it’s a server that sits between clients and your web services, forwarding requests.

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It turns out that Proxmox’s quorum requirements are not as “simple” as I thought.

The initial solution of setting quorum expectations to 1 worked… sort of. Here’s what happened:

When a node booted up (remember it can’t initially “see” the other node), OPNsense would start (great!), provide DHCP and network connectivity (also great!), but then things got interesting. Once the network was up and the Proxmox nodes could talk to each other, the other VMs would fail to start with cryptic errors like:

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I got a new Netgear managed switch yesterday and so today was all about network segmentation and fighting with OPNsense. Also learned some interesting bits about Proxmox clustering that I didn’t expect to deal with.

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I recently came across the #100DaysOfHomelab challenge and thought it’d be a perfect way to document stuff I’m doing. Day 1 is really a catch-up on recent changes, and there have been quite a few.

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So I’ve got Proxmox running, and you’re tired of clicking through the UI to create VMs. The next logical step is to write some provisioning code.

This is how I did it.

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