# echo 'deb http://deb.debian.org/debian buster-backports main contrib non-free' > /etc/apt/sources.list.d/buster-backports.list
# apt update
# apt-get install linux-headers-$(uname -r)
必须安装,否则出错:Module build for kernel 4.19.0-18-amd64 was skipped since the kernel headers for this kernel does not seem to be installed.
# apt search wireguard
Sorting... Done
Full Text Search... Done
wireguard/buster-backports,buster-backports,now 1.0.20210223-1~bpo10+1 all [installed]
fast, modern, secure kernel VPN tunnel (metapackage)