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Pi-Hole & Resolv.conf: Bad Nameserver

Posted: Tue Aug 11, 2020 5:03 am
by salieri
Environment:

OS = DietPi v6.31.2
Pi-Hole Version = 5.1.1

Error:

I have been running Pi-hole for the past month, and as of yesterday, I have a problem.

From the command line, I did a pihole -g and get the error "DNS resolution is currently unavailable"

Troubleshooting:

After searching on the forums, it looks like it has to do with /etc/resolv.conf

There's a SINGLE line that says nameserver 192.168.1.1 (which references my router).

I know if I change it to 127.0.0.1 and save it works fine.

Help Needed:

The problem is when I REBOOT, the nameserver reverts BACK to 192.168.1.1. How do I fix this so it always stays to 127.0.0.1 ? This used to work FINE until yesterday. Unsure as to what changed....

Additional Note: I reached out to Pi-Hole's support FIRST and they recommended I direct my inquiry over here.

Thank you for any help, it is greatly appreciated!

Re: Pi-Hole & Resolv.conf: Bad Nameserver

Posted: Tue Aug 11, 2020 9:15 am
by Joulinar
Hi,

I guess you opened same issue at Github? correct? If yes, pls let's stay at one place. It doesn't make sense to open it twice

https://github.com/MichaIng/DietPi/issues/3710

Re: Pi-Hole & Resolv.conf: Bad Nameserver

Posted: Tue Aug 11, 2020 2:24 pm
by Joulinar
solved by setting correct DNS value on dietpi-config.