How do I reset the Web interface Password for Pi-hole:
Use this command on the pi-hole server over ssh to change password:
Pi Hole version 6.x: sudo pihole setpassword
Pi hole version 5.x or earlier: pihole -a -p
It will bring up a prompt to change password.
Source | Date: April 5th, 2023 | Update 1: April 16th 2025