| Plug in your USB flash drive and get it's device name: |
sudo fdisk -l | grep /dev/sd |
| You should see /dev/sda or /dev/sdb, like this |
Disk /dev/sdb: 243.99 GiB, 257394027615 bytes, 463947243 sectors |
| Format USB with LUKS: |
sudo cryptsetup luksFormat /dev/sdb |
| Open LUKS encrpted USB drive: |
sudo cryptsetup open /dev/sdb my_encrypted_disk |
| Create filesystem inside of LUKS encrypted USB drive: |
sudo mkfs.ext4 /dev/mapper/my_encrypted_disk |
| Create mount point for LUKS encrypted USB drive: |
sudo mkdir /mnt/my_encrypted_disk |
| Mount LUKS encrypted USB drive: |
sudo mount /dev/mapper/my_encrypted_disk /mnt/my_encrypted_disk |
| Go to LUKS encrypted USB directory: |
cd /mnt/my_encrypted_disk |
| Unmounting your LUKS USB drive: |
sudo umount /mnt/my_encrypted_disk |
| Note |
| For more info |
man cryptsetup |
| Sometimes you'll mount/umount the LUKS usb directory under /media/ instead |