$ pwgen --capitalize --numerals --symbols --secure -1 20 10
,^H"\2J*-@Pr</Il_.WL
7u"m2$tbEPKFM}P4h8Om
H){bG\}&upUwMVbJcW3~
8`pz[Ss_MB;IKgT=WPuE
T_\F1VJG'l#?EVq^vq;-
pX=f2/+om,D]&g)r4%48
Zq@4p~k4YaMnwI7LH?i&
q1C,cBN"Xv>,SF(9erEI
%4Gr'}A@V<H`KNFcm8XE
.a{8"2`Ntulw?wuxLmy"
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/