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.





This was a great reminder for me. Thanks for posting.
What an engaging read! You kept me hooked from start to finish.
Your tips are practical and easy to apply. Thanks a lot!
I love how clearly you explained everything. Thanks for this.
I’ve gained a much better understanding thanks to this post.
You explained it in such a relatable way. Well done!
This is now one of my favorite blog posts on this subject.
Thanks for addressing this topic—it’s so important.
Very useful tips! I’m excited to implement them soon.
Very useful tips! I’m excited to implement them soon.