How to install John the Ripper CE
on Kubuntu

John the Ripper CE

John the Ripper CE

Claudio André (claudioandre-br)
  • Claudio André (claudioandre-br)
  • Security

John the Ripper "Jumbo" password cracker

John the Ripper is a fast password cracker. Its primary purpose is to detect weak Unix passwords. Besides several crypt(3) password hash types, supported out of the box include fast built-in implementations of SHA-crypt and SunMD5, Windows NTLM (MD4-based) password hashes, various macOS and Mac OS X user password hashes, fast hashes such as raw MD5, SHA-1, SHA-256, and SHA-512, various SQL and LDAP server password hashes, as well as many non-hashes such as SSH private keys, S/Key skeykeys files, Kerberos TGTs, encrypted filesystems such as macOS .dmg files and "sparse bundles", encrypted archives such as ZIP, RAR, and 7z, encrypted document files such as PDF and Microsoft Office's - and these are just some examples.

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This version integrates lots of contributed patches, including GPU support, dynamic expressions, has fallback for CPU SIMD extensions and for OMP, moreover, has on device mask acceleration and prince mode available.

Details for John the Ripper CE

License
GPL-2.0
Last updated
14 May 2019

Enable snaps on Kubuntu and install John the Ripper CE

Snaps are applications packaged with all their dependencies to run on all popular Linux distributions from a single build. They update automatically and roll back gracefully.

Snaps are discoverable and installable from the Snap Store, an app store with an audience of millions.

Enable snapd

If you’re running Kubuntu 16.04 LTS (Xenial Xerus) or later, including Kubuntu 18.04 LTS (Bionic Beaver) and Kubuntu 18.10 (Cosmic Cuttlefish), you don’t need to do anything. Snap is already installed and ready to go.

Versions of Kubuntu between 14.04 LTS (Trusty Tahr) and 15.10 (Wily Werewolf) don’t include snap by default, but snap can be installed from the command line as follows:

sudo apt update sudo apt install snapd

Install John the Ripper CE

To install John the Ripper CE, simply use the following command:

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Get the snap store

Browse and find snaps from the convenience of your desktop using the snap store snap.

Learn more about snaps

Interested to find out more about snaps? Want to publish your own application? Visit snapcraft.io now.