How do I update Pi-hole

[swrobel]

Pi-hole 4.1 came out recently, but my install is still stuck on 4.0. Running pihole -up doesn't seem to work because of modifications that DietPi makes to the Pi-hole files and prevents git from fetching the changes from their repo. Do I need to wait for a new DietPi release that includes 4.1 or is there some recommended method to handle updates to Pihole?

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root@DietPi:~# pihole -up
  [i] Checking for updates...
  [i] Pi-hole Core:	up to date
  [i] Web Interface:	update available
  [i] FTL:		update available

  [i] Pi-hole Web Admin files out of date, updating local repo.
  [✓] Check for existing repository in /var/www/html/admin
  [i] Update repo in /var/www/html/admin...
  : Could not update local repository. Contact support.

[Phillski]

I had this exact same problem, my (hacky) solution was to back up my current pi-hole configuration (whitelist, blacklist etc). Use the dietpi-software utility to uninstall pi-hole and then use the utility to re-install it. After that it was just a couple of minutes to reconfigure it to how I had it before.

A little clunky but at least I ended up with an updated system at the end.

[johnvick]

I'm on 6.19.7 and pihole -up worked fine here.

John

[WarHawk]

Do you use the Web Interface Dashboard?

From the software page
viewtopic.php?f=8&t=5&start=20#p174

Updating PiHole:
PiHole overwrites the lighttpd.conf during updates, so please backup your lighttpd.conf before updating:

Backup lighttpd.conf

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mv /etc/lighttpd/lighttpd.conf /etc/lighttpd/lighttpd.conf.bak

PiHole can then be updated by running pihole -up
Restore lighttpd.conf

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mv /etc/lighttpd/lighttpd.conf.bak /etc/lighttpd/lighttpd.conf

[swrobel]

Do you use the Web Interface Dashboard?

I do

Updating PiHole:
PiHole overwrites the lighttpd.conf during updates, so please backup your lighttpd.conf before updating:

Unfortunately that didn't work on its own. The issue seems to be that there are modified files in the web folder, however they all just seem to be mode changes.

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root@DietPi:~# mv /etc/lighttpd/lighttpd.conf /etc/lighttpd/lighttpd.conf.bak
root@DietPi:~# cd /var/www/html/admin
root@DietPi:/var/www/html/admin# git diff --summary
 mode change 100644 => 100755 .github/ISSUE_TEMPLATE.md
 ... (~100 files like this)
root@DietPi:/var/www/html/admin# git checkout .
root@DietPi:/var/www/html/admin# pihole -up
root@DietPi:~# mv /etc/lighttpd/lighttpd.conf.bak /etc/lighttpd/lighttpd.conf

That worked.

[MichaIng]

Hi guys, I guess the issue might be related to Pi-hole installs that were 3.X at first.

With Pi-hole 4.X new committed a new option to DietPi to skip webserver install/setup. to allow doing this prior on our own (and in case choose another webserver than lighttpd) and skip overwriting the lighttpd.conf.
If you install a fresh Pi-hole now on DietPi, it will install with this new option and safe it to be applied on pihole -up as well. This should work without issues. But I guess if you started from an earlier version, the required setupVar might be missing, leading to the issue with changed/overwritten lighttpd.conf.

[swrobel]

Thanks. My installation started with Pi-hole 4.0 and I had to follow the steps above to upgrade to 4.1 (not sure if the lighttpd.conf step was necessary). I was able to upgrade to 4.1.1 without issue and did not move lighttpd.conf this time around.

[swrobel]

Worth noting: after updating to DietPi 6.20, there were file mode changes in

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/var/www/html/admin

. I had to run

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git checkout .

before

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pihole -up

would complete successfully.

[MichaIng]

We identified the issue and will fix it with v6.22. Check out the quick solution: https://github.com/Fourdee/DietPi/issues/2516