cat /dev/urandom | tr -dc 'a-zA-Z0-9-_!@#$%^&*()_+{}|:<>?=' | fold -w 12 | head -n 4

# apg -c random_seed
dordififId
riHegyipju
Noafrathvu
IchJinCet
utadwulb
ethFench

# apg -c random_seed -n 1 -d
AkKijNayn

# apg -c random_seed -n 1 -d
aicWajbyRorp42863:~# apg -c random_seed -l
FrogQuev Foxtrot-romeo-oscar-golf-Quebec-uniform-echo-victor
cecNeiv1 charlie-echo-charlie-November-echo-india-victor-ONE
SkudVolt Sierra-kilo-uniform-delta-Victor-oscar-lima-tango
TowUlripab Tango-oscar-whiskey-Uniform-lima-romeo-india-papa-alfa-bravo
Bytquigpey Bravo-yankee-tango-quebec-uniform-india-golf-papa-echo-yankee
Doithneb Delta-oscar-india-tango-hotel-november-echo-bravo

pwgen 10

pwgen -s 10

pwgen -sy 10

mkpasswd -l 10
# will make a randon password with 10 chars - you may need to install it ...

#Chars allowed in password (I don't like l,o,O, etc):
P="0123456789ABCDEFGHIJKLMNPQRSTUVWXYZabcdefghijkmnpqrstuvwxyz"

#Or such:
#P="a-zA-Z0-9"

#The string pasted as $P$P$P... must be at least 256 chars long.

head -c 8 < /dev/urandom | tr '00-377' "$P$P$P$P$P"
echo