$ pwgen --capitalize --numerals --symbols --secure -1 20 10
*{&7l{OxVqUMC1(bI`I`
EN3Z]/gu{RU&<Ea}4#H7
Bu"45v?#f7[F>^O]zqI3
*c19qtnh9JTs,*$YxHJ2
CyRsb2{NYvuj]5JNIQao
6{He1E1q&h4]}(bt}KC#
m59f|c|:\Gtf&{y.NSWA
cWN5-"<3Kgy]wFOY&uUr
A//uqohLB2ME]6w*=G:c
_!^#;n"`sI0gD7n1u~&Z
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/