The Bitcoin revolution has taken the world by Storm. To set this up on your Ubuntu machine, look for the Bitpay app in the Ubuntu App Store.
Then, once it is installed, follow the setup instructions and configure the 12 words you need to enter to regain access to the app in case of a reinstall and a secure password. It is very important to save the keywords and the password in a very secure place. But this app can generate a Bitcoin address for you, and even a Bitcoin QR code to scan with your `phone.
This is a very simple way to get Bitcoin up and running on your Linux machine. Very simple and easy to do, make sure you keep the login details very safe.