Whenever it comes to analyzing the strength of a password, you always require a password security auditing tool or a password recovery tool. Such tools help you in analyzing the strength of a password by attempting to crack them repeatedly. The strength of a password depends upon its ability to sustain those cracking attempts. John the Ripper falls under the category of such tools and it can be used across fifteen different platforms including Linux. This tool is capable of launching the dictionary attack and the famous brute force attack for cracking the passwords.
Here at LinuxAPT, we shall look into how we can have John the Ripper tool installed on a Linux Mint 20 system.
Steps to install John the Ripper on Linux Mint 20
1. Enable snaps on Linux Mint
On Linux Mint 20, /etc/apt/preferences.d/nosnap.pref needs to be removed before Snap can be installed. This can be accomplished from the command line:
$ sudo rm /etc/apt/preferences.d/nosnap.pref
$ sudo apt update
To install snap from the Software Manager application, search for snapd and click Install.
Alternatively, snapd can be installed from the command line:
$ sudo apt update
$ sudo apt install snapd
Either restart your machine, or log out and in again, to complete the installation.
2. Install John the Ripper on the system
To install John the Ripper on Linux Mint 20, you will need to run the below command:
$ sudo snap install john-the-ripper
How to use John the Ripper on Linux Mint 20 ?
To run John the Ripper on Linux Mint 20, run the below command:
$ john
How to uninstall John the Ripper from Linux Mint 20 ?
You can remove John the Ripper from Linux Mint 20 with the following command:
$ sudo snap remove john-the-ripper
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Conclusion
This article covers how you can conveniently install and learn to use John the Ripper on a Linux Mint 20 system. In fact, this tool will not only help you in checking the strength of your passwords but will also help you in recovering them if needed.