## Flashing the firmware
The "easy" way to flash the firmware is using a tool from your host OS like the Teensy programming app. [ErgoDox EZ](keyboard/ergodox_ez/README.md) gives a great example.
+
+If you want to program via the command line you can uncomment the ['modifyvm'] lines in the Vagrantfile to enable the USB passthrough into Linux and then program using the command line tools like dfu-util/dfu-programmer or you can install the Teensy CLI version.
config.vm.provider "virtualbox" do |vb|\r
# Hide the VirtualBox GUI when booting the machine\r
vb.gui = false\r
- vb.customize ['modifyvm', :id, '--usb', 'on']\r
- vb.customize ['usbfilter', 'add', '0',\r
- '--target', :id,\r
- '--name', 'teensy',\r
- '--vendorid', '0x16c0',\r
- '--productid','0x0478'\r
- ] \r
+ # Uncomment the below lines if you want to program\r
+ # your Teensy via the VM rather than your host OS\r
+ #vb.customize ['modifyvm', :id, '--usb', 'on']\r
+ #vb.customize ['usbfilter', 'add', '0',\r
+ # '--target', :id,\r
+ # '--name', 'teensy',\r
+ # '--vendorid', '0x16c0',\r
+ # '--productid','0x0478'\r
+ # ] \r
# Customize the amount of memory on the VM:\r
vb.memory = "512"\r
end\r