Generate password with bash

You can use the following shell function to generate random password.

Edit ~/.bashrc file, enter:

genpasswd() {
	local l=$1
       	[ "$l" == "" ] && l=16
      	tr -dc A-Za-z0-9_ < /dev/urandom | head -c ${l} | xargs
}

Save and close the file. Source ~/.bashrc again, enter:

$ source ~/.bashrc

To generate random password, enter:

$ genpasswd

To generate 8 character long random password, enter:

$ genpasswd 8
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