Pi-hole installation

Trottel · 24. Januar 2021

When I install Pi-hole in docker, I can't add any adlist, everythime I get this error:

Code

Error, something went wrong!
While executing: attempt to write a readonly database
Added 0 out of 1 adlists

I think that it should be related with file ownership and permissions. When I do following stat commands, I can see that some files are owned by openmediavault-webgui or openmediavault-config:

Code

root@OMV5:#stat -c "sudo chown %U:%G %n" pihole/pihole/* | column -t
sudo  chown  root:openmediavault-config                   pihole/pihole/adlists.list
sudo  chown  root:root                                    pihole/pihole/custom.list
sudo  chown  root:root                                    pihole/pihole/dns-servers.conf
sudo  chown  root:openmediavault-config                   pihole/pihole/GitHubVersions
sudo  chown  openmediavault-webgui:openmediavault-config  pihole/pihole/gravity.db
sudo  chown  root:openmediavault-config                   pihole/pihole/list.1.raw.githubusercontent.com.domains
sudo  chown  root:openmediavault-config                   pihole/pihole/localbranches
sudo  chown  root:openmediavault-config                   pihole/pihole/local.list
sudo  chown  root:openmediavault-config                   pihole/pihole/localversions
sudo  chown  root:openmediavault-config                   pihole/pihole/migration_backup
sudo  chown  openmediavault-webgui:openmediavault-config  pihole/pihole/pihole-FTL.conf
sudo  chown  root:openmediavault-config                   pihole/pihole/pihole-FTL.db
sudo  chown  root:root                                    pihole/pihole/setupVars.conf
sudo  chown  root:openmediavault-config                   pihole/pihole/setupVars.conf.update.bak


root@OMV5:#stat -c "sudo chmod %a %n" pihole/pihole/* | column -t
sudo  chmod  664   pihole/pihole/adlists.list
sudo  chmod  644   pihole/pihole/custom.list
sudo  chmod  644   pihole/pihole/dns-servers.conf
sudo  chmod  644   pihole/pihole/GitHubVersions
sudo  chmod  664   pihole/pihole/gravity.db
sudo  chmod  644   pihole/pihole/list.1.raw.githubusercontent.com.domains
sudo  chmod  644   pihole/pihole/localbranches
sudo  chmod  644   pihole/pihole/local.list
sudo  chmod  644   pihole/pihole/localversions
sudo  chmod  2775  pihole/pihole/migration_backup
sudo  chmod  644   pihole/pihole/pihole-FTL.conf
sudo  chmod  644   pihole/pihole/pihole-FTL.db
sudo  chmod  664   pihole/pihole/setupVars.conf
sudo  chmod  664   pihole/pihole/setupVars.conf.update.bak

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When I change user and group to root, I can add adlist and update gravity (but it looks like Pi-hole still doesn't filter my traffic). But after each container restart or recreation the user and group are changed back.

Any idea how to solve my problem? Is it possible change user and group during the installation? Or set the PUID and GUID in docker-compose file?

karnasw · 1. Mai 2021

I have the same problem, did you found a solution?

Trottel · 7. Mai 2021

Zitat von karnasw

I have the same problem, did you found a solution?

I found a solution, it's called AdGuard

raulfg3 · 7. Mai 2021

I have no problem to add txt list.

are you sure that your list exist?.

mine are copied from: https://obutterbach.medium.com…al-of-pihole-e795342e0e36

PD: You need to update gravity to load the list:

Trottel · 20. September 2021

I finally figured it out! If I'm using docker compose I first need to manually create the pihole and dnsmasq folders using the docker volume create pihole and docker volume create dnsmasq commands, otherwise Pi-hole has a problem with folder and file permissions and then fails to add adlists or update Gravity. Or I have to use the following docker-compose file:

Code

version: "3.9"
services:
  pihole:
    container_name: pihole
    hostname: pihole
    image: pihole/pihole:latest
    restart: unless-stopped
    cap_add:
      - NET_ADMIN
      - NET_RAW
      - NET_BIND_SERVICE
    networks:
      traefik_proxy:
        ipv4_address: $PIHOLE_IP
    dns:
      - 127.0.0.1
      - 1.1.1.1
      - 1.0.0.1
    ports:
      - "53:53/tcp"
      - "53:53/udp"
      - "67:67/udp"
      - "1180:80/tcp"
      - "1443:443/tcp"
    security_opt:
      - no-new-privileges:false # With "true" I can't update Gravity!
    volumes:
      - pihole:/etc/pihole
      - dnsmasq:/etc/dnsmasq.d
    environment:
      - TZ=$TZ
      - ServerIP=$SERVER_IP # (My Docker Host IP)
      - PROXY_LOCATION=pihole
      - VIRTUAL_HOST=pihole.$DOMAINNAME
      - VIRTUAL_PORT=80
      - IPv6=False
      - WEBPASSWORD=$PIHOLE_PASSWORD
      - PIHOLE_DNS_=127.0.0.1;1.1.1.1;1.0.0.1
    labels:
      - "traefik.enable=true"
      ## HTTP Routers
      - "traefik.http.routers.pihole-rtr.entrypoints=https"
      - "traefik.http.routers.pihole-rtr.rule=Host(`pihole.$DOMAINNAME`)"
      ## Middlewares
      - "traefik.http.routers.pihole-rtr.middlewares=chain-oauth@file"
      ## HTTP Services
      - "traefik.http.routers.pihole-rtr.service=pihole-svc"
      - "traefik.http.services.pihole-svc.loadbalancer.server.port=80"

volumes: # It needs to be set up, otherwise there is a problem with permissions!
  pihole:
  dnsmasq:

networks:
  traefik_proxy:
    external: true

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Pi-hole installation

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