install-openvpn3-kali-linux.sh

#!/bin/bash
set -ex

apt update
apt install -y	libssl-dev libssl1.1 python3-pip build-essential git	\
		pkg-config autoconf autoconf-archive libglib2.0-dev	\
	       	libjsoncpp-dev uuid-dev liblz4-dev libcap-ng-dev 	\
		libxml2-utils python3-minimal python3-dbus		\
		python3-docutils python3-jinja2 libxml2-utils		\
		libtinyxml2-dev policykit-1 libsystemd-dev 		\
		python3-systemd	libnl-3-dev libnl-genl-3-dev 		\
		protobuf-compiler libprotobuf-dev

groupadd -r openvpn
useradd -r -s /sbin/nologin -g openvpn openvpn

git clone https://github.com/OpenVPN/openvpn3-linux.git 
cd openvpn3-linux
./bootstrap.sh
./configure --prefix=/usr --sysconfdir=/etc --localstatedir=/var
make
make install
chown -R openvpn:openvpn /var/lib/openvpn3
openvpn3-admin init-config --write-configs


# Consider linking packages to fix openvpn3's expectance of where to find certain files
# ln -sf /usr/lib/python3.11/site-packages/openvpn3 /usr/lib/python3.11/openvpn3
# Reboot the machine or execute (keep in mind that the session will terminate):
# systemctl restart dbus