Alright, I think we are on the same page then, I was understanding you correctly. Unfortunately, I'm still getting a "permission denied" after following those steps correctly. I will update this post if I am able to find a solution. It isn't critical to making progress on this project, but...

Did you run those commands as root or with sudo? Did you load g_mass_storage with removable=1? If you had previously loaded g_mass_storage did you remove it first? 1. I ran them with sudo 2. Yes 3. When you say "previously loaded g_mass_storage", do you mean with: modprobe g_mass_storage ...

Okay, I'm learning a lot. Your reply answered my questions pretty succinctly. However, I'm not sure what the purpose of unloading and loading using these commands: sudo echo "" > /sys/devices/platform/soc/20980000.usb/gadget/lun0/file sudo echo "/piusb.bin" > /sys/devices/platfor...

Okay then... thank you. That was very helpful and I appreciate the response. My current goal is to allow changes from the USB end only. However, I would like to see and likely copy the files from the network share, at a semi-regular interval. So the USB side (the device that is using the Raspberry P...

Hello all, I am a relatively new Raspberry Pi user, following this tutorial, using a Raspberry Pi Zero W and Raspbian Stretch. https://www.raspberrypi.org/magpi/pi-zero-w-smart-usb-flash-drive/ It seems to be working fine. I didn't complete steps 13 and 14 because they don't apply to my project, but...