Mint depending on what version you are on has its own network manager that includes dnsmasq and blocks the ability of pihole to function as intended. this post PiHole on Ubuntu 18 on Odroid Xu4 may help
Mint depending on what version you are on has its own network manager that includes dnsmasq and blocks the ability of pihole to function as intended. this post PiHole on Ubuntu 18 on Odroid Xu4 may help