Generating Random Passwords from the Command Line in Linux

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You can use next command for generating random password in command line:

# tr -dc A-Za-z0-9 < /dev/urandom | head -c 8 | xargs

Password example:

4fFUND1d

Also you can use next bash function (add it to yuor ~/.bashrc):

Random Password Generator

genpasswd() {
tr -dc A-Za-z0-9 < /dev/urandom | head -c ${1:-8} | xargs
}

Reboot .bashrc:

$ . ~/.bashrc

Now use genpasswd to generate random passwords:

$ genpasswd
vmuWt7TS
$ genpasswd 10
ymkIgxcdCh
$ genpasswd 16
wQnqgdc5tAQoiBdf