Initial Phoenix analyzer

etc/systemd/system/analyzer-kiosk.service

@@ -0,0 +1,36 @@
+[Unit]
+Description=Analyzer Kiosk (Raspberry Pi OS)
+After=network-online.target
+After=analyzer-web.service
+Wants=analyzer-web.service
+
+[Service]
+# Run as root to ensure we can control the VT and X server.
+User=root
+Group=root
+Environment=HOME=/root
+WorkingDirectory=/home/analyzer/Phoenix
+
+# Allocate a dedicated virtual terminal for the X server.  Without this,
+# xinit will fail when launched from an SSH session because it cannot
+# open /dev/tty0.  tty1 is reserved for this service.
+TTYPath=/dev/tty1
+TTYReset=yes
+TTYVHangup=yes
+TTYVTDisallocate=yes
+StandardInput=tty
+StandardOutput=tty
+StandardError=tty
+
+# Start a minimal X server and run our kiosk session script. The web UI
+# is served by analyzer-web.service; this unit only brings up X,
+# Chromium and Phoenix. The `vt1` argument ensures the X server uses the
+# dedicated virtual terminal configured above.
+ExecStart=/bin/bash /home/analyzer/Phoenix/kiosk-start.sh
+
+# Automatically restart the kiosk if it crashes or exits.
+Restart=always
+RestartSec=2
+
+[Install]
+WantedBy=multi-user.target