Pi hole

Built overtop of dnsmasq, to serve as an ad-blocker.
There are two variations: a standalone version made for the local machine, and one designed to operate for an entire network.

Documentation

official docs

https://docs.pi-hole.net/

Locations

/etc/pihole/	configuration
/run/log/pihole/	logs
/run/pihole-ftl/	socket, pid, port, ...

Notes

pihole standalone install

pihole server install

pihole configuration

Usage

pihole status
pihole enable