$ pwgen --capitalize --numerals --symbols --secure -1 20 10
/[5G.q)OC|:o"+gaPz~R
S6!*Oa=}Hb5\*7h>qbS9
Iks]lgK%=s}l5Ba/orBA
Z;xSw][1&b$`s[Z%a,vK
u"w<h9[l{|M4D[O!~lKg
<q$C7-w3S=>3\NQ+jLC2
k.}dCY(fcI%R[4~!DlDq
44)o.A/HBsvhmdm#SN=7
3!3bs|y#%Zi)yV2;@i+6
6APq<LjsF->`z@cd"2:v
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/