qdbus

Inter-Process Communication (IPC) and Remote Procedure Calling (RPC) mechanism originally developed for Linux. More information: https://doc.qt.io/qt-5/qtdbus-index.html.

• List available service names:
  qdbus
• List object paths for a specific service:
  qdbus {{service_name}}
• List methods, signals and properties available on a specific object:
  qdbus {{service_name}} {{/path/to/object}}
• Execute a specific method passing arguments and display the returned value:
  qdbus {{service_name}} {{/path/to/object}} {{method_name}} {{argument1}} {{argument2}}
• Display the current brightness value in a KDE Plasma session:
  qdbus {{org.kde.Solid.PowerManagement}} {{/org/kde/Solid/PowerManagement/Actions/BrightnessControl}} {{org.kde.Solid.PowerManagement.Actions.BrightnessControl.brightness}}
• Set a specific brightness to a KDE Plasma session:
  qdbus {{org.kde.Solid.PowerManagement}} {{/org/kde/Solid/PowerManagement/Actions/BrightnessControl}} {{org.kde.Solid.PowerManagement.Actions.BrightnessControl.setBrightness}} {{5000}}
• Invoke volume up shortcut in a KDE Plasma session:
  qdbus {{org.kde.kglobalaccel}} {{/component/kmix}} {{invokeShortcut}} "{{increase_volume}}"
• Gracefully log out and then do nothing, reboot or shut down:
  qdbus {{org.kde.Shutdown}} {{/Shutdown}} {{logout|logoutAndReboot|logoutAndShutdown}}