Debian 10 xfce4 更改 wallpaper 筆記

xfconf-query --channel xfce4-desktop --property  /backdrop/screen0/monitorDisplayPort-1/workspace0/last-image --set  /home/1.jpg

相關指令及檔案
xfconf-query --channel xfce4-desktop --list
/usr/share/desktop-base/profiles/xdg-config/xfce4/xfconf/xfce-perchannel-xml/xfce4-desktop.xml
~/.config/xfce4/xfconf/xfce-perchannel-xml/xfce4-desktop.xml