[Unit]
Description=Start TigerVNC server at startup
After=syslog.target network.target

[Service]
Type=forking
User=pi
PIDFile=/home/pi/.vnc/%H%i.pid
ExecStartPre=-/bin/sh -c '/usr/bin/vncserver -kill :1 > /dev/null 2>&1 || true'
ExecStart=/usr/bin/vncserver :1 -geometry 1024x768 -localhost no
ExecStop=/usr/bin/vncserver -kill :1

[Install]
WantedBy=multi-user.target