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 apt update apt install -y wireguard qrencode privkey=wg genkey | tee "privatekey" | wg pubkey | tee "publickey" echo <