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Comment by remote_phone | Hacker News Reader

I bought a raspberry pi and ran pi hole but it keeps turning off for some reason. I guess I got a faulty raspberry pi? But when it does go down all my browsing dies because no dns requests could be processed. So I went with running it in a docket container on my nas instead.

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Try a different power adapter. The Pi3b+ is better than older models, but can still pull 2A at 5V.

And remember that the pi power supplies are actually 5.1V, not 5V - you can get way with 5V as long as your supply is a 3+A supply, so that at top draw, your supply isn't going to deliver a lower voltage while it tries to max out the amps.

(it's why my raspi's are all on 5V/3.5A supplies instead)

For anyone else reading this, the Amazon Echo (Dot) power supplies are among the best I've tested.

I'd also recommend a USB tester like the RuiDeng UM24, especially if you use a lot of SBCs or USB powered devices.

I would try a different power supply and outlet, if you haven’t already. Personally I use Diversion, which does more than pi-hope and is available for Asus-WRT Merlin firmware. Http://Diversion.ch

Apart from the power supply mentioned, is your temperature fine?

To add to this - a load of these things are easily monitored via a cron job and with a slack webhook to notify of weirdness. High temperatures and outages notify me, a muted channel gets a line speed test every 30 mins (to help with a long term battle with ISP). My public IP is also posted. There might be an easier way to do these tasks but I don’t know it and Pi time is fun.

things to check:

- better supply

- temperature (heatsink / fan ?)

- sd card fault

The crappiest heatsink money can buy will drop the temp 10 degrees Celsius in my experience.

Yeah, in these cases, a simple surface increase will help a lot since it's better than no heatsink.

You can even use a bunch of copper coins

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