I installed Pihole in UnifiOS running on my UDM Pro last year, adding additional security of DNS over HTTP (DoH).

However, a short 2 months later, Cloudflare announced the cloudflared proxy-dns command, which allowed DoH to work, would be removed from all new cloudflared releases, starting on February 2, 2026.

This …

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Since firmware version 3.0 on the Unifi UDM/UDM Pro, podman is no longer available, so we had to use another method to create a container.

We now use systemd-nspawn to create a container.

There are 3 steps:

1. Create the container.
2. Configure the container.
3. Install Pi-hole in the container.

Create the container

All …

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Configuring a Dynamic Domain Name Service (DDNS) on Ubiquiti's UniFi network manager is easy, if you use on of the configured providers that show up in the drop-down service.

I had recently upgraded to UnifiOS version 4.3.6, and finally Cloudflare exists as a selectable entry.

If you are running UDM version under …

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These instructions/screenshots were from an UDM Pro running:

UniFi OS UDM Pro 1.11.0 UniFi Network Application 7.0.23

Why

From the FBI field office in Portland:

Your fridge and your laptop should not be on the same network.¹

If those cheap "smart" lightbulbs you bought off Amazon get compromised because of …

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Let's Encrypt will issue you free SSL certificates, but you have to verify you control the domain, before they issue the certificates.

The 2 major ways of proving control over the domain:

1. Create a specific page on your webserver that they can reach.
2. Create a temporary DNS TXT record.

I went with option #2, as my web …

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