Wednesday, 5 June 2013

New RMPrepUSB with QEMU write access

If you ran QEMU from RMPrepUSB, it used snapshot mode which meant that writes to the USB drive did not actually write to the USB. This meant that any grub4dos command like dd, echo > (bd)/xxx, default, cat --replace=, write, etc, which wrote to the USB drive did not actually work.
DavidB (from reboot.pro) has made two extremely useful apps which allow QEMU and Oracle VBox to run from a USB drive with full rd/wr access.

I have updated the QEMU cmd file in RMPrepUSB to use this new utility and now we can boot from a USB drive with full rd/wr access from RMPrepUSB v2.1.706QEMUw!

Details of DavidB's new utility can be found here and the latest version of the utility for both QEMU and Oracle VBox here. To learn how to use it with VBox (much faster than QEMU!) please read Tutorial 4.
The new version of RMPrepUSB is on the Beta download page here (only the QEMU .cmd file has changed).