[BozemanLUG] Pi-hole tech support :)

[Robert Potter]

Looks like I just had to re-run the configuration script. Now
everything appears to be working fine.

On Thu, Jul 23, 2020 at 8:37 PM Robert Potter <rpotter at zoncko.com> wrote:

> * Expected Behavior: *
>
> Properly working pi-hole running on a Raspberry Pi (model B?) connected
> via Asus RT-AC56R Router for power and via RJ45 for network connectivity.
> Router is the DHCP server and Pi-hole is only the DNS component.
>
> *Actual Behavior:*
>
> As soon as I save the Router configuration with the Pi as the primary and
> secondary DNS address I lose all access to the outside world.
>
> *Background:*
>
> Using “Imager” on Ubuntu 20.04, I installed Raspberry OS Lite on the
> Raspberry Pi. I then powered it up and ran the basic configuration utility.
> I did have a little issue with the location but I believe I got that
> figured out. I also changed the Host name using the Pi configuration
> utility/script. I then installed Pi-hole and walked through the wizard. I
> did not want to use the originally assigned DHCP address and wanted to use
> another address that I had previously been using with a different computer
> that I had powered off. I entered the new IP Address and entered the
> Gateway address. After the script finished the install the Pi rebooted and
> came back online with the original DHCP address. I have been unable to
> figure out why the static IP will not work. If I check the “dhcpcd.conf”
> file I can see the correct network configuration listed and not ignored
> out. I finally reserved the static address by MAC address in the router and
> that is the only way I was able to get the Pi to respond with the desired
> address that is correctly configured in “dhcpcd.conf”. Thinking I was good
> to go now, I changed the web interface password and then configured the
> router to point to the Pi as the DNS server. As soon as the Asus Router
> loaded the new settings I lost all external network access. In the end I
> had to reconfigure my router to use another DNS source.
>
> I previously had an Intel NUC running as a Pi-hole server but had listed a
> secondary DNS server other than the NUC as a backup. Now I am questioning
> if I have ever had a functioning Pi-hole server. So with that said, I see
> this as possible being more than one issue and possibly being a Router
> issue, a Pi/Pi-hole issue, or a “me” issue.
>
> Any suggestions appreciated.
>
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