Switch screen mode from portrait to landscape

For tablet screens, you may need to switch portrait screen to landscape.

1. Go to terminal and type the below command From root shell

nano /etc/X11/openbox/autostart

Add the below line just before “java -jar /opt/Saleculator/Saleculator.jar”

xrandr --output UNKNOWN1 --rotate right

Now, save the file and exit, by pressing CTRL+X, Y, Enter.

2. Type the below command in terminal

nano /usr/share/X11/xorg.conf.d/10-evdev.conf

Add below lines under the line Identifier “evdev touchscreen catchall”

Option "SwapAxes" "1"
Option "InvertY" "1"

Now, save the file and exit, by pressing CTRL+X, Y, Enter.

3. Reboot the system.