Want to display a different wallpaper on dual monitors you use with Ubuntu 17.10 (or any GNOME-based Linux distro)? The GNOME desktop doesn’t (currently) support multi-monitor wallpapers natively Linux users who want to set a different wallpaper for each monitor currently to use a third-party app or extension. One such app is HydraPaper. Set Different Wallpapers on Dual Monitors in GNOME HydraPaper is a new, free, and entirely open-source utility designed specifically for the GNOME desktop. The app lets you quickly set two different backgrounds on monitors connected to your Ubuntu (or other Linux) machine. So, for example, you could