I am new to the gumstix community. We just purchased Duovero board with parlor expansion board. I able to make a bootable sd-card and able to enable wifi on my gumstix. I would like to install new packages such as GCC, G++, libusb etc. But when i try to use commands such opkg or apt-get, I get command not found error.

Is there any way to add these packages (opkg or apt-get) to the current built?