Bonjour,
Merci pour le lien. Il s'agit du même répertoire mais d'un autre fichier :
pascaltech@Microtower:~/.config/xfce4/xfconf/xfce-perchannel-xml$ cat xfce4-desktop.xml.save
<?xml version="1.0" encoding="UTF-8"?>
<channel name="xfce4-desktop" version="1.0">
<property name="desktop-icons" type="empty">
<property name="style" type="empty"/>
<property name="file-icons" type="empty">
<property name="show-home" type="bool" value="false"/>
<property name="show-filesystem" type="empty"/>
<property name="show-removable" type="empty"/>
<property name="show-trash" type="empty"/>
</property>
<property name="icon-size" type="uint" value="38"/>
<property name="tooltip-size" type="double" value="33.000000"/>
<property name="show-hidden-files" type="bool" value="false"/>
<property name="single-click" type="bool" value="true"/>
</property>
<property name="backdrop" type="empty">
<property name="screen0" type="empty">
<property name="monitor0" type="empty">
<property name="image-path" type="empty"/>
<property name="image-style" type="empty"/>
<property name="image-show" type="empty"/>
<property name="workspace0" type="empty">
<property name="color-style" type="int" value="0"/>
<property name="image-style" type="int" value="5"/>
<property name="last-image" type="string" value="/usr/share/xfce4/backdrops/Yellow_Jacket_by_Manuel_Frei.png"/>
</property>
</property>
<property name="monitor1" type="empty">
<property name="image-path" type="empty"/>
<property name="image-style" type="empty"/>
<property name="image-show" type="empty"/>
<property name="workspace0" type="empty">
<property name="color-style" type="int" value="0"/>
<property name="image-style" type="int" value="5"/>
<property name="last-image" type="string" value="/usr/share/xfce4/backdrops/xubuntu-wallpaper.png"/>
</property>
</property>
</property>
</property>
<property name="desktop-menu" type="empty">
<property name="show-icons" type="bool" value="true"/>
<property name="show" type="bool" value="true"/>
</property>
<property name="last" type="empty">
<property name="window-width" type="int" value="705"/>
<property name="window-height" type="int" value="545"/>
</property>
</channel>
pascaltech@Microtower:~/.config/xfce4/xfconf/xfce-perchannel-xml$
Après modification avec les droits root :
pascaltech@Microtower:~/.config/xfce4/xfconf/xfce-perchannel-xml$ cat xfce4-desktop.xml
<?xml version="1.0" encoding="UTF-8"?>
<channel name="xfce4-desktop" version="1.0">
<property name="desktop-icons" type="empty">
<property name="style" type="empty"/>
<property name="file-icons" type="empty">
<property name="show-home" type="bool" value="false"/>
<property name="show-filesystem" type="empty"/>
<property name="show-removable" type="empty"/>
<property name="show-trash" type="empty"/>
</property>
<property name="icon-size" type="uint" value="38"/>
<property name="tooltip-size" type="double" value="33.000000"/>
<property name="show-hidden-files" type="bool" value="false"/>
<property name="single-click" type="bool" value="true"/>
</property>
<property name="backdrop" type="empty">
<property name="screen0" type="empty">
<property name="monitor0" type="empty">
<property name="image-path" type="empty"/>
<property name="image-style" type="empty"/>
<property name="image-show" type="empty"/>
<property name="workspace0" type="empty">
<property name="color-style" type="int" value="0"/>
<property name="image-style" type="int" value="5"/>
<property name="last-image" type="string" value="/usr/share/xfce4/backdrops/Yellow_Jacket_by_Manuel_Frei.png"/>
</property>
</property>
<property name="monitor1" type="empty">
<property name="image-path" type="empty"/>
<property name="image-style" type="empty"/>
<property name="image-show" type="empty"/>
<property name="workspace0" type="empty">
<property name="color-style" type="int" value="0"/>
<property name="image-style" type="int" value="5"/>
<property name="last-image" type="string" value="/usr/share/xfce4/backdrops/Yellow_Jacket_by_Manuel_Frei.png"/>
</property>
</property>
</property>
</property>
<property name="desktop-menu" type="empty">
<property name="show-icons" type="bool" value="true"/>
<property name="show" type="bool" value="true"/>
</property>
<property name="last" type="empty">
<property name="window-width" type="int" value="705"/>
<property name="window-height" type="int" value="545"/>
</property>
</channel>
pascaltech@Microtower:~/.config/xfce4/xfconf/xfce-perchannel-xml$
C'est sur la ligne la plus longue : last-image, il suffit de changer le nom de l'image.
