Installing Ubuntu 20.04 on Dell laptop to run off a USB stick

Beginning Ubuntu Linux Series:
==============================
Beginning Linux with Ubuntu 20.04 - basic desktop, applications, folder and command line:
    https://www.youtube.com/watch?v=G6Iu6-izXjI
Beginning Linux with Ubuntu 20.04 more basic terminal commands and using Sublime text:
    https://www.youtube.com/watch?v=sJJw8_cO2dk
Beginning Linux with Ubuntu 20.04 cat, more, less, ip, ifconfig, netstat:
    https://www.youtube.com/watch?v=ARk2RI1W31U
Beginning Linux with Ubuntu 20.04 - df, tree, filesystems, permissions:
    https://www.youtube.com/watch?v=ymc7HxfWuO8
Beginning Linux with Ubuntu 20.04 - ps, top and grep:
    https://www.youtube.com/watch?v=50ofUXYB2LM
Beginning Linux with Ubuntu 20.04.1 - updating, upgrading the system:
    https://www.youtube.com/watch?v=2km1XqtsQ1Q&t=1015s

Using Series:
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Using Rythmbox to rip an audio CD on Ubuntu 20.04:
    https://www.youtube.com/watch?v=wESSW6nq3m8
Using SimpleScreenRecorder on Ubuntu 20.04:
    https://www.youtube.com/watch?v=i4JsuHscNW8

Installing Series:
==================
Installing MS Teams and F5 VPN client on Ubuntu 20.04.1:
https://www.youtube.com/watch?v=-wnaiABQiGQ
Installing Ubuntu 18.04 as a VM on Ubuntu 20.04.1:
    https://www.youtube.com/watch?v=PIoCwSTniuw
Installing VirtualBox and signing kernel modules for secure boot:
    https://www.youtube.com/watch?v=GtJCscgOLCc
Installing Chrome on Ubuntu 20.04:
    https://www.youtube.com/watch?v=03x15a7QqJ0
Installing fonts on Ubuntu 20.04:
    https://www.youtube.com/watch?v=-r17FKn5SJY
Installing OpenShot Video Editor on Ubuntu 20.04:
    https://www.youtube.com/watch?v=axGgso_QHAk
Installing and using video editing software on Ubuntu 20.04:
    https://www.youtube.com/watch?v=OgpVqLzBL0o
Installing codecs on Ubuntu 20.04:
    https://www.youtube.com/watch?v=WmMfNsyzahI
Installing an app on Ubuntu 20 04 for the first time - alt version:
    https://www.youtube.com/watch?v=G1K5WVVLK-Q
Installing an app on Ubuntu 20 04 for the first time:
    https://www.youtube.com/watch?v=IHZdTJgv4eg7

Install and Upgrade Ubuntu Series:
==================================
Installing Ubuntu 20 04 on Dell laptop to run off a USB stick:
    https://www.youtube.com/watch?v=a9SqoauRD4E
Dist(ribution) upgrading Ubuntu 18.04 VM to Ubuntu 20.04.1:
    https://www.youtube.com/watch?v=2ZmnDbZT0DY

Видео Installing Ubuntu 20.04 on Dell laptop to run off a USB stick канала BlackHoleSon