makepasswd generates true random passwords by using the /dev/urandom feature of Linux, with the emphasis on security over pronounceability. It can also encrypt plaintext passwords given on the command line.
Open the terminal and type following command to install makepasswd:
sudo apt-get install makepasswd
After successful installation you can use the makepasswd using following command, here I am generating 10 diffferent passwd having character length 10
For more detail options type command makepasswd –help or check the man pages