$ pwgen --capitalize --numerals --symbols --secure -1 20 10
1.zF,!%]_mBhO%@*s@5k
>cn)#0+@m5y>PONe9imx
`=$0z2IZ"jx*T.}|MqP;
(&R-GbAM'b&n0cD&?X'R
z|7lC><z$m"&qE(Wjs#q
T)`%Py9NrOOO{Oq%i2Ni
~R,-@@`1m@G6Ewofo]}]
$4T2EZU7{}BL,:%69$ZK
0Q|Qa=a&jib)c"t/2(,0
Z#Y/?ax1d3[a}4GJ|qeN
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/