Clone alexrudd2:saxi to ~/github/saxi. Then install with sudo npm install -g .

Set hostname in /etc/hostname. Set IP address in /etc/NetworkManager/system-connections

Start saxi on boot. First, copy the file /etc/systemd/system/saxi.service. Then sudo systemctl enable saxi

Enable forwarding to saxi in iptables. First, copy the file /etc/iptables/iptables.rules. Then systemctl enable iptables

Clone osresearch:plotter-vision to ~/github/nginx. Modify /etc/nginx/nginx.conf to run as user axi and serve Plotter Vision on a port other than 80:

user axi;
<...>
    server {
        listen       8091;
        server_name  localhost;

        location / {
            root   /home/axi/github/plotter-vision/;
            index  index.html;
        }
<...>

Enable with sudo systemctl enable nginx.