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.





Such a refreshing take on a common topic.
I’ve read similar posts, but yours stood out for its clarity.
I love the clarity in your writing.
I enjoyed your perspective on this topic. Looking forward to more content.
I learned something new today. Appreciate your work!
Thanks for making this so reader-friendly.
You made some excellent points here. Well done!
Keep writing! Your content is always so helpful.
I’ve bookmarked this post for future reference. Thanks again!
I wasn’t expecting to learn so much from this post!