Uploaded March 2018 | Updated September 2026, 2 weeks ago

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Always encrypt your sensitive data, especially if is it stored on external hard drives or flash drives.

This video shows how to encrypt your hard drive in Linux. Using this method you can encrypt a separate partition, a whole hard drive or just your USB stick.

I personally use the most LUKS and dm-crypt encryption. I believe it is a simple and reliable way to protect your data.

BTW, If you like the theme, I showed it here youtu.be/osA-ZEEz6Zw

These are the commands shown in the video:

sudo apt install cryptsetup

sudo cryptsetup --verbose --verify-passphrase luksFormat /dev/sdb1

sudo cryptsetup luksOpen /dev/sdb1 sdb1

sudo fdisk -l

sudo mkfs.ext4 /dev/mapper/sdb1

sudo tune2fs -m 0 /dev/mapper/sdb1

sudo mkdir /mnt/encrypted

sudo mount /dev/mapper/sdb1 /mnt/encrypted

sudo touch /mnt/encrypted/test.txt

sudo chown -R `whoami`:users /mnt/encrypted

sudo umount /dev/mapper/sdb1

sudo cryptsetup luksClose sdb1

lsblk

sudo cryptsetup luksOpen /dev/sdb1 sdb1

sudo mount /dev/mapper/sdb1 /mnt/encrypted

sudo umount /dev/mapper/sdb1

sudo cryptsetup luksClose sdb1


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