###Ubuntu镜像制作 (1.)国内镜像下载 http://mirrors.ustc.edu.cn/ubuntu-releases/ (2.)软碟通下载 https://cn.ultraiso.net/xiazai.html (3.)制作镜像 https://www.cnblogs.com/linuxAndMcu/p/10772614.html#_label0_1 (4.)重启安装 https://www.cnblogs.com/masbay/p/10745170.html (经典案例) https://www.cnblogs.com/linuxAndMcu/p/10774020.html#_label3 (5.)双系统安装 https://blog.csdn.net/flyyufenfei/article/details/79187656 https://blog.csdn.net/ESA_DSQ/article/details/78782981