Pi Hole

default passwords
adblock / blackhole 
pi / raspberry
password reset (leave blank for no password)
pihole -a -p
you can now whitelist Websites on demand by using he pihole command.
pihole -w
Use the -b option to blacklist intead of whitelist
pihole -b
find current entries for a domain
pihole -q
find out which block list blocks a domain
pihole -q -adlist -all [domain]
list current blacklist / whitelist
cat /etc/pihole/list.* | less