编辑 /etc/apt/sources.list.d/raspi.list 文件（需要使用 sudo）。以下是 Buster 的参考配置内容：
deb http://mirrors.ustc.edu.cn/archive.raspberrypi.org/debian/ buster main ui
#deb-src http://mirrors.ustc.edu.cn/archive.raspberrypi.org/debian/ buster main ui
编辑 /etc/apt/sources.list 文件（需要使用 sudo）。删除原文件所有内容，用以下内容取代（以 Buster 示例）：
deb http://mirrors.ustc.edu.cn/raspbian/raspbian/ buster main contrib non-free rpi
#deb-src http://mirrors.ustc.edu.cn/raspbian/raspbian/ buster main contrib non-free rpi
apt-transport-https
adsb:
apt-get install build-essential debhelper librtlsdr-dev pkg-config dh-systemd libncurses5-dev libbladerf-dev
apt-get install git libncurses5
apt-get install lighttpd
service lighttpd force-reload
deb缺少包apt-get install librtlsdr0
root@jqadsb:~# ls /etc/openvpn/client/
ca.crt jqadsb.conf jqadsb.crt jqadsb.key jqadsb.ovpn ta.key
systemctl start [email protected]
systemctl status [email protected]
systemctl enable [email protected]