For users that want to install Pi-Hole in his NAS.
Usefull info, please read first:
1 - open a shell
2 - install curl:
3 - install pi-hole
3.5 - Read question and answer yes apropiately.
4 - done, you can test if is working using pihole command
5 - finally you can change default password using command:
And go to yourIP\admin to see if all works as expected.