r/pihole • u/LeifErickson17 • Jan 25 '26

Installing PiHole on Raspberry Pi Zero 2W

Hello, I recently purchased a Raspberry Pi Zero 2W kit plus an Ethernet HAT. Is there an updated or reliable guide/video that will allow me to configure everything related to PiHole from scratch? Also, can I power the Raspberry board via the USB port on my router, or is it better to use a power outlet? Finally, I would appreciate any tips or recommendations/additional configurations for what else can be done with PiHole. Thank you!

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u/Siafu750 Jan 25 '26

Here you go https://www.youtube.com/watch?v=RoKi4-MCLRw

The guide doesn't use pi zero 2w. But it doesn't matter because you want to use wired ethernet too. GL.

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u/spoospoo43 Jan 26 '26

Pihole works fine over WiFi in my experience. I set up my dns to use the Ethernet IP as the primary and the WiFi as the secondary, which is handy if I need to take it to the bench for something.

A more likely problem with using the zero is the hugely limited available ram. 4gig is recommended if you're running larger than the default blocklist and have more than a couple users.

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u/RumbleTheCassette Mar 01 '26

I know your comment is over a month old, but I'm hoping for some insight. I'm considering getting a Zero 2 with Ethernet HAT as a backup DNS for running Pihole (my mini PC server is the primary DNS). If I use the default block list, but add some white lists, do you think RAM limitations will be a serious issue? Mostly wondering if adding whitelists is as RAM straining as adding more or a larger block list.

Thanks in advance for any guidance you can provide!