Installation de Wireguard

echo "deb http://deb.debian.org/debian/ unstable main" > /etc/apt/sources.list.d/unstable.list
printf 'Package: *\nPin: release a=unstable\nPin-Priority: 90\n' > /etc/apt/preferences.d/limit-unstable

pour raspberry pi

apt-get install raspberrypi-kernel-headers 
apt-get install dirmngr
apt-get install linux-headers-$(uname -r)
apt-get update
apt-get install wireguard