# DNS service not running

**URL:** <https://discourse.pi-hole.net/t/dns-service-not-running/60799>\
**Category:** Help\
**Created:** [January 26, 2023, 10:05am UTC](https://discourse.pi-hole.net/t/dns-service-not-running/60799 "2023-01-26T10:05:48Z")\
**Posts on this page:** 1\
**Showing post:** 13

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**Author:** ![Darrell262](https://discourse-cdn.pi-hole.net/letter_avatar_proxy/v4/letter/d/96bed5/32.png) [@Darrell262](https://discourse.pi-hole.net/u/Darrell262)\
**Post date:** [February 7, 2023, 12:45am UTC](https://discourse.pi-hole.net/t/dns-service-not-running/60799/13 "2023-02-07T00:45:04Z")

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Can someone tell me how to upgrade from debian 9 to 11 or from debian 10 to 11 with a unifi cloudkey gen 1? I can get 9 to 10 with this website  
[[Guide] Installing Pi-hole on Unifi Cloudkey v1](https://discourse.pi-hole.net/t/guide-installing-pi-hole-on-unifi-cloudkey-v1/41028)

Or can someone tell me the command using curl to install an older version of pi hole that still works with debian 10

- Install Pi-hole using `curl -sSL https://install.pi-hole.net | bash`  
I am sure there is a way to install an older copy but I do not know the command and no one seems to really have an answer to how to fix pi hole.

I tried that link someone else gave to get debian to 11 from 10 but it did not work for me I couldnt get everything to install.

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