[TriLUG] Using a Single Board Computer for a network appliance

Chris Bickhaus via TriLUG trilug at trilug.org
Fri May 14 15:55:51 EDT 2021


You can definitely run PiHole well on a raspi 4.  I have two instances.  One on a 4, the other on a Zero W.  I also followed the guide on their website to install unbound so that you can also have your own recursive DNS server to point PiHole to.  You can find that info here: https://docs.pi-hole.net/guides/dns/unbound/

Regarding management, you are correct that you can manage PiHole from the CLI or a web interface (found at http://<PiHole IP>/admin).

Chris Bickhaus

> On May 14, 2021, at 1:23 PM, Joseph S. Tate via TriLUG <trilug at trilug.org> wrote:
> 
> On Fri, May 14, 2021 at 6:05 AM Mauricio Tavares via TriLUG <
> trilug at trilug.org> wrote:
> 
>>      To handle DNS/DCHP tasks you do not need much at all. Even a
>> lowly Pi zero may suffice; it might even handle pi-hole. Now, main
>> reason to run a Pi is because that is the first name people think for
>> a small single board computer; debian has a table[1][2] of them.
>> 
>> I've learned that the community behind the SBC is more important than the
> capability with regards to long term OS support. My ODroid C2 is only a
> couple of years old, but ODROID never merged their stuff into a permanent
> project, so it's all but obsolete now.
> 
>> I have a Raspberry Pi 4, or I run docker on my always on desktop. I feel
>>> like the Raspberry Pi running pi-hole + ??? would be a good plan. Any
>>> contrary thoughts? Is it going to be fast enough for gigabit networking?
>>> Should I try running OpenWRT instead?
>>> 
>> 
>>      Do you now mean running it as a router? If so, I take you are
>> planning on running it in a router-in-a-stick mode.   I have been told
>> the pi4 has a true gigabit connection[3] (someone was getting 856
>> Mbits/sec doing iperf tests[4] on the pi4), but I think it is really
>> comparable to many of the routers you can out openwrt on which
>> advertise gigabit ports. In the end of the day it boils down to how
>> often you will be pushing your (I suppose it to be a) gigabit
>> connection to its limit and beyond.
>> 
> 
> No, I wasn't planning on routing. My experiences with Gigabit adapters have
> been disappointing. I'd leave the NAT/Firewall/Router on the AT&T device,
> just turning off DHCP/DNS. I'm thinking about OpenWRT because I know well
> how to configure dnsmasq from the Web UI to do what I want, but PiHole is
> new to me. PiHole does seem to have a UI for configuring DNSMasq though,
> and I'm ok with cli configuration too.
> 
> -- 
> Joseph Tate
> -- 
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