$ pwgen --capitalize --numerals --symbols --secure -1 20 10
p5er@bVoajQ=B6+/1d)9
'/r'K0f}]d+<q$Q(^[;3
*gcG[()j.T<dfzI|Kjh2
,Yn>9)ZMxZbvq;v`e5F_
;HbsFXqj1{:,ad~^"$e:
8nV'r~4PHSId!Kf~1{ib
H}U8xM/8ik`Vrt"[m:[T
8sZq/ar,gBC,Y={/Fk?t
z(lW[MMpEd.dl0IUw#"f
~{VSnX0z~FXxXB[9#c,I
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/