Platform Tools (ADB & Fastboot) for Linux

Links from video

Platform Tools from Google

Terminal Codes

$ sudo apt install fastboot adb

Special things for Ubuntu

The Ubuntu file manager Nautilus cannot be opened from the user interface as root by default. If it should be like in the video then install the admin part of Nautilus. After that everything works as described in the video: 

$ sudo apt install nautilus-admin

Restart Nautilus with: 

$ sudo nautilus -q