Ubuntu 20.04.4 LTS (Focal Fossa)
https://releases.ubuntu.com/20.04/ubuntu-20.04.4-desktop-amd64.iso
更换镜像vim /etc/apt/sources.list
deb http://mirrors.aliyun.com/ubuntu/ focal main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ focal main restricted universe multiverse deb http://mirrors.aliyun.com/ubuntu/ focal-security main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ focal-security main restricted universe multiverse deb http://mirrors.aliyun.com/ubuntu/ focal-updates main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ focal-updates main restricted universe multiverse deb http://mirrors.aliyun.com/ubuntu/ focal-backports main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ focal-backports main restricted universe multiverse
Gnu Radio
https://wiki.gnuradio.org/index.php?title=InstallingGR
UHD
https://files.ettus.com/manual/page_install.html#install_linux



