$ pwgen --capitalize --numerals --symbols --secure -1 20 10
v[u=U\$TV9A51dOG$*eP
719m~F)EMIZzl/YN5?$Q
P)Mx[1)LFLo-,SP8v7@>
TWa2few;Y>2j>mAD#%*C
/KMp?d@/P)x~"+6+&?il
(~/ae4y[!75j<y@6gCZU
P*Jn9k!TGv]Pddp*`>iS
(e2R|A!(Xjsu&m@\91ew
5ZamwLsBj);CVclle5:l
"6uxsH|3e.A>%50@17M,
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/