$ pwgen --capitalize --numerals --symbols --secure -1 20 10
&nhptejwSMU7jShBfpq(
+YL(Lw4Y;ej2USwZ=etN
=:CgYC]e3#t0n#b=j%Gv
;a]q)W>rJA'X=bCM#Mo5
$roVs/`iT;-%]wojn83}
@Y(%|=pqO>@,q&u2ylaO
5v(]?j+K9+?/{seIgMto
[c2%;5/=mE;;-`lH1%"s
h<>Dyy~uF2J&$oAkL:R6
PMm[:cd4"X!*,x!6$*!]
Usage: pwgen [ OPTIONS ] [ pw_length ] [ num_pw ]
Options supported by pwgen:
-c or --capitalize
Include at least one capital letter in the password
-A or --no-capitalize
Don't include capital letters in the password
-n or --numerals
Include at least one number in the password
-0 or --no-numerals
Don't include numbers in the password
-y or --symbols
Include at least one special symbol in the password
-r <chars> or --remove-chars=<chars>
Remove characters from the set of characters to generate passwords
-s or --secure
Generate completely random passwords
-B or --ambiguous
Don't include ambiguous characters in the password
-h or --help
Print a help message
-H or --sha1=path/to/file[#seed]
Use sha1 hash of given file as a (not so) random generator
-C
Print the generated passwords in columns
-1
Don't print the generated passwords in columns
-v or --no-vowels
Do not use any vowels so as to avoid accidental nasty words
https://sourceforge.net/projects/pwgen/