If you created an empty file, you may also check the ownership to prevent permission problems.
If you created an empty file, you may also check the ownership to prevent permission problems.
### - Installing on Ubuntu may conflict with `systemd-resolved` - see [Installing on Ubuntu](https://github.com/pi-hole/docker-pi-hole#installing-on-ubuntu) for help.
### - Installing on Ubuntu may conflict with `systemd-resolved` - see [Installing on Ubuntu](https://github.com/pi-hole/docker-pi-hole#installing-on-ubuntu-or-fedora) for help.
### - Environment variables are version-dependent
### - Environment variables are version-dependent
Environment variables like "CONDIIONAL_FORWARDING*" and "DNS1" are deprecated and replaced by e.g. "REV_SERVER*" and "PIHOLE_DNS" in version 5.8+.
Environment variables like "CONDIIONAL_FORWARDING*" and "DNS1" are deprecated and replaced by e.g. "REV_SERVER*" and "PIHOLE_DNS" in version 5.8+.