整理各资源下载地址留备用 ubuntu镜像下载地址 http://mirrors.163.com/ubuntu-releases/ QT下载地址总汇 http://download.qt.io/archive/qt/ 交差编译器下载 https://releases.linaro.org/components/toolchain/binaries/4.9-2017.01/arm-linux-gnueabihf/ VM下载地址 https://www.vmware.com/products/workstation-pro/workstation-pro-evaluation.html UBU