$ pwgen --capitalize --numerals --symbols --secure -1 20 10
X;c!>I<(7bN~UZvHM~oI
U1"9e202oJEe5=}'5m72
dM_o}8J,YE``hlw=l$R>
Pi=:28^.B-.yfs"(AEk:
#Bepn.\7$<I.qX,j6~u[
cx?dpmw|R,6<!Vr&(q{A
5#Ui=3(3a)cXBY2i6f5{
oj5=-IrH[82T|e"Yt89X
nwrkJh(@2-2PT7T]wc\p
'rP'\H*HR5Ud|F.H'vM8
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/