Here is a quick tutorial how to start Debian and probably other Debian based distros from a USB Hard Disk. With USB Flash Drive usually there is no need for any custom actions.
1) Once the installer complains for missing CDROM and asks to load CDROM drivers select NO:
You can get the available device names by pressing ALT+F2 to enter a new console and type:
ls /dev/
or
dmesg | grep disk
Just remember, it has to be the fourth partition, e.g. /dev/sda4.
Next press ALT+F1 to return to the Setup screen.





Nice one! Straightforward and effective.
Appreciate the effort you put into this.
The way you write feels personal and authentic.
Your content always adds value to my day.
I enjoyed your take on this subject. Keep writing!
You’ve done a great job with this. I ended up learning something new without even realizing it—very smooth writing!
I agree with your point of view and found this very insightful.
I’ll be sharing this with a few friends.
It’s refreshing to find something that feels honest and genuinely useful. Thanks for sharing your knowledge in such a clear way.
This is exactly the kind of content I’ve been searching for.