Have you ever had trouble remembering your password? Or, have you ever wondered if it’s possible to use something physical as a security key? If you have a USB flash drive lying around, you can use it as a security key to lock or unlock your Linux machine. In this guide, I’ll explain how. This will lock the screen as soon as you unplug your USB, and will unlock it when you plug it in. See the codes at my Medium post - https://medium.com/@abhattacharyea/use-your-usb-as-security-key-in-linux-e19b179d4b5c ~-~~-~~~-~~-~ Please watch: "Python Tutorial for Beginners - From Zero to Hero" https://www.youtube.com/watch?v=KESB0DXyOuQ ~-~~-~~~-~~-~