ARM Cortex Hands-on Embedded Programming

I've created a course on embedded programming for ARM Cortex devices using the SAM4s Xplained Pro board from Atmel. In the following course, I will take you through 3 projects for learning how to program analog to digital converters. Use the coupon BLOGSPOT for 80% off.

https://www.udemy.com/armcortex-adc/

Virtual box shared folder

I always run into a problem attaching a shared folder to my Ubuntu virtual box machine. This is what works for me.

1. Make sure you have the latest version of guest additions installed.
2. Add a shared folder using the virtual box menu and auto mount it
3. Turn on the virtual machine. Browse to /media/sf_*sharedfoldername*
4. By default with auto-mount, the shared folder will have permissions assigned to vboxsf. You need to add your current user and maybe also root to the vboxsf group so they get access to the shared folder
5. usermod -aG vboxsf <youruser>
usermod -aG vboxsf root
6. Restart virtual machine
7. Now you should have access to the shared folder under /media/sf_*sharedfoldername*

Ref: http://unix.stackexchange.com/questions/52667/file-permission-issues-with-shared-folders-under-virtual-box-ubuntu-guest-wind