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CluelessNoob
Asked: 2024-05-10 23:55:56 +0800 CST

How to encrypt partition using LUKS-2?

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I have an empty partition (say /dev/sda1) that I want to encrypt with LUKS-2 and be able to open it with passphrase from commonly used file managers (Dolphin, PCManFM-Qt, etc). I prefer a GUI like KDE Partition Manager, but that seems to still use LUKS-1. Is there another GUI partition manager that supports LUKS-2? If not, can someone please give simple step-by-step CLI instructions for that?

I am using Lubuntu 24.04 and Kubuntu 24.04 (multi-boot, so I'm looking for a solution that works in both).

partitioning

1 Answers

  1. Best Answer

    Didn't find a GUI solution. Used commands like the following (found from here) which seem to be working as expected:

    Format:

    sudo cryptsetup luksFormat --type luks2 /dev/sda1

    Open:

    sudo cryptsetup open /dev/sda1 encrypted

    Make file system:

    sudo mkfs.ext4 -L enc_part /dev/mapper/encrypted

    Verify LUKS version:

    sudo cryptsetup luksDump /dev/sda1

    Alternatively, KDE Partition Manager also shows it as luks2.

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