John the Ripper

HowTo : Pause/Resume Aircrack-ng

How to save (pause) aircrack-ng session and then continue (resume) the cracking from where it was stopped.

Installing "John the Ripper" - The Password Cracker

"John the Ripper" - is a fast password cracker. Its primary purpose is to detect weak Unix passwords.

Most likely you do not need to install "John the Ripper" system-wide.

Instead, after you extract the distribution archive and possibly compile the source code (see below), you may simply enter the "run" directory and invoke John from there.