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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Update April 2026

Cloudflared removed the proxy-dns command from cloudflared in February 2026, so this guide should only be used for historical reference.

New gude, using dnscrypt-proxy is here: https://www.nodinrogers.com/post/2026-04-09-pihole-unifi-dnscrypt/

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I recently upgraded both of my Pi-Holes to version 6.

Not …

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I recently updated my UDM Pro UnifiOS verison 4.3.6, and Network version 9.3.43.

Coming from the very old 1.x UnifiOS version, a lot of things were different, but I quickly noticed that Unifi now has a builtin Wireguard VPN server configuration option.

I had written about adding and configuring Wireguard VPN a few …

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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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SSH into a UDM Pro

After enabling SSH access into a UDM Pro, and adding a public SSH key via the web GUI, enabling password-less SSH is as easy as using copying the public key into the ~/.ssh/authorized_keys file.

Problems after reboot and/or upgrade

Everything works great, until you reboot or upgrade, in which case, …

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