Encrypting USB with luks

What you will need 📋

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1) Install cryptsetup -

sudo pacman -S cryptsetup

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2) Backup any information on the USB stick because this process involves formatting the USB drive.

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3) Formatting USB.

- sudo fdisk /dev/sdX -

The X being your USB drive.

Press the following keys:
o
n
Press enter for the rest
w

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4) Encryption time! -

- sudo cryptsetup luksFormat /dev/sdX1 -

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5) Decrypt USB

- sudo cryptsetup luksOpen /dev/sdX1 USB -

Note: The first password is your root user password, not the encryption password. I have sadly made this mistake in the past.

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6) Format the Encrypted Partition

- sudo mkfs.ext4 /dev/mapper/USB -

Depending on the size of the USB, this may take some time. For me, it took 3 minutes.

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Step 7: Mount the Encrypted Partition

- sudo mkdir -p /mnt/USB -
- sudo mount /dev/mapper/USB /mnt/USB -

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Your password better be good dude. Make sure to memorize it!

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