Install screen capture tool on Debian 7 Wheezy with LXDE desktop

• Install scrot:

  sudo apt-get install scrot giblib

• Bind PrtScn key with the scrot command by adding following into ~/.config/openbox/lxde-rc.xml:

    <!-- Screen Capture -->
    <keybind key="Print">
        <action name="Execute">
            <command>sh -c "scrot -u -d 3 ~/Desktop/screenshot-$(date +%Y%m%d%H%M%S).png"</command>
        </action>
    </keybind>
  

• Reload lxde configuration:

  openbox --reconfigure

• You can then try hit PrtScn key to capture the current active window.

See also

• ArchLinux: Taking a screenshot
• LXDE: how to take screenshots