Custom resolution on Raspberry Pi + VNC session

#!/bin/bash

export DISPLAY=:0

sleep 5
xrandr --newmode "1600x900_60.00" 118.25  1600 1696 1856 2112  900 903 908 934 -hsync +vsync
xrandr --addmode HDMI-1 1600x900_60.00
xrandr -s 1600x900

until ping -c1 -t1 -W0 ${VNC_HOST} ; do
	sleep 5
done

/usr/bin/remmina -c /home/pi/.local/share/remmina/1624985258119.remmina >>/home/pi/cronlog.txt 2>&1

exit 0