Enable, Disable or Remove the Demo Application
To disable the Demo Application, login to the Root Filesystem and run the following command:
systemctl disable demo
To (re)enable the Demo Application, login to the Root Filesystem and run the following command:
systemctl enable demo
To (permanently) remove the Demo Application, login to the Root Filesystem and run the following command:
apt -y remove qt5-demo* emtrion-demo-data