Change desktop background from Terminal [duplicate]
Run the following command in Terminal
gsettings set org.gnome.desktop.background picture-uri file:///path/to/your/image.png
This will change the Desktop Background to image.png.
Run the following command in Terminal
gsettings set org.gnome.desktop.background picture-uri file:///path/to/your/image.png
This will change the Desktop Background to image.png.