Generate a table of random 10 character passwords Show Sample Output

Generate a truly random password using noise from your microphone to seed the RNG. This will spit out 12 password with 12 characters each, but you can save this into a bash script and replace 'pwgen -ys 12 12' with 'pwgen $@' so you can pass any paramters to pwgen as you would normally do. Show Sample Output

I know there are a lot of random password generators out there, but I wanted something that put out something besides hex. Set count equal to the number of bytes you want. Show Sample Output

So I use OSX and don't have the shuf command. This is what I could come up with. This command assumes /usr/share/dict/words does not surpass 137,817,948 lines and line selection is NOT uniformly random. Show Sample Output

just change 6 to 9 or 12 or more (multiple of 3) to have bigger password Show Sample Output

Use the excellent sensiblepasswords.com to a generate random (yet easy-to-remember) password every second, and copy it to the clipboard. Useful for generating a list of passwords and pasting them into a spreadsheet. This script uses "madebynathan"'s "cb" function (http://madebynathan.com/2011/10/04/a-nicer-way-to-use-xclip/); you could also replace "cb" with xclip -selection c Remove "while true; do" and "; done" to generate and copy only 1 password. Show Sample Output

Use less random number resources and less commands

Uses urandom and tr to generate a random password. Change the value of head -c## for the lenght of the password. Show Sample Output

Dumps 20 bytes from /dev/urandom and converts them to hex. -c and -p are needed to prevent splitting over lines. Show Sample Output

This snippet will produce an alpha-numeric 16 character password Show Sample Output

for i rang(10) = length of the password random.choice("abcdefghijklmnopqrstuvwxyz...") = char allowed into the password Thanks Python/Django FAQ's. Show Sample Output

Useful when you need to generate password or random hash string. If you need longer string adjust parameter for "head -c 20" Show Sample Output

Create a file with random binary content. Required pv, units packages. It use openssl to encrypt zeros using aes-256 and time stamp as password to generate a pseudo-random file. Show Sample Output

this one includes special characters. note some some chars may be disallowed on windows systems. *nix will allow pretty much any character in a password except a carriage return. you do not want non printing characters in your password, so this is limited to the printable chars displayed on a keyboard , less space and return. edited to fix minor typo Show Sample Output

Generate a random password quickly in CLI using openssl Show Sample Output

A slightly shorter version. Also doesn't put a return character at the end of the password

A more robust password creation utility # Create passwords in batch makepasswd --char=32 --count=10 # To learn more about the options you can use man makepasswd Show Sample Output

If you do not have shuf or an -R option in sort, you can fall back on awk. This provides maximum portability IMO. The command first collects words from the dictionary that match the criteria - in this case: lower case words with no punctuation that are 4 to 8 characters long. It then prints 4 random entries. I decided to print each word on a separate line to improve readability.