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I think you are still learning... What you say doesn't make sense, so I think you may have misunderstood what happened.
Imo we are all constantly learning. Otherwise we stagnate. What I say makes perfect sense, you just dont get it. So let me explain it again, in more detail:
I was going through my docker compose files to sanitize them and upload them to my private forgejo instance.
While doing that I found a directory in my filesystem, a remnant of the early days of my server where my knowledge was severely more limited, that was a docker volume mapped to a regular directory, something I wouldnt do today for something like this.
It was owned by root:root and had 777 permissions which is a bad idea imo. So I changed it to 700 since I dont think I had any other users in group root and others, well.
Nothing bad happened, until today when my unattended backups triggered a restart at noon and the tragedy started. I put it back for now to 777 but I‘ll try and integrate it in a real docker volume which resides in the docker folders.
Well I’m running Pihole in docker and don’t have 777 on anything.
Good for you. What permissions do you have on etc/dnsmasq.d if I may ask?
I don't run Pi-hole but quickly peeking into the container (
docker run -it --rm --entrypoint /bin/sh pihole/pihole:latest
) the folder and files belong to root with the permissions being755
for the folder and644
for the files.chmod 700
most likely killed Pi-hole because a service that is not running as root will be accessing those config files and you removed their read access.Also, I'm with the guys above. Never
chmod 777
anything, period. In 99.9% of cases there's a better way.Thanks for checking that. I will change the permissions accordingly and restart pihole to check if it works. Probably later today.