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When Pi-hole is down? (lemmy.world)

submitted 9 months ago by machinin@lemmy.world to c/selfhosted@lemmy.world

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I have an asus router with a pi-hole on the network.

I was doing some work on my server and noticed that when pi-hole was down, I couldn't access the internet. I was looking for some ideas online how to deal with this, but they said to have a second pihole on the network in case one is offline. Is that the only way to do it? Is there any way to have the network go back to normal if the pihole is offline?

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[–] MangoPenguin@lemmy.blahaj.zone 12 points 9 months ago (2 children)

One option is just do a temporary change on your PC to different DNS servers while you work on the stuff.

Otherwise a second PiHole set as the secondary DNS in DHCP would keep things online.

[–] machinin@lemmy.world 2 points 9 months ago

Thanks. Yeah, that is what I did during maintenance, but I'm trying to think what happens if I'm gone and my family has issues.

[–] SpaceCadet@feddit.nl 1 points 9 months ago* (last edited 9 months ago)

Otherwise a second PiHole set as the secondary DNS in DHCP would keep things online.

No, that just creates time outs and delays when either of them is offline.

The proper way is to have a standby pihole that takes over the IP address of the main pihole when it goes down. It's quite easy to achieve this with keepalived.