pwgen secure password generator

options: length: capitalize: numerals: symbols: secure: ambiguous: no-vowels: amount: 
$ pwgen -C --capitalize --numerals 16 32


uuN1oongohziQuee eic1aiphiePhiido Aesoopie1thovooW bei5AeThu3eiN8nu
shar9mai7Noo3oof ahl5iQu1hee8eiJi Aipheiquaih0phuo Pae6sabeenohThae
ahpheiHaeNaw2Cah AiRahNgagh2eex3u foo7Eez0ohThee6u Aimiefieshah1owo
tuuz4omoh8uu9Doo shiengae0deS4Ak4 Uga7oT4Iey1kaqua AeH6zoh1ooc3bai4
soo3fa5Ohph5neif Wahk6Quae4Dozash eiHohquohz3koo9i ooshaiZ2oocaevei
bae8eingeW7daung Ohgh5oGhuighohTh Ahhai9peemahNgei she7hoo8Eigohsho
ooKeiH8eeSh3eebu ugohWairaip2eiRo shohSi9xa5UujiWu XooyuaV0ahmoqua8
udoo9eiCh7maecha ooZeig4fubod5ahl ceJaixuqu6Ahbo0e fieyie7ouMai9aht




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
  -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/