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DBUS.md

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CLI Usage

  • DBUS - List Registered Services:

    # List system services
dbus-send --system --dest=org.freedesktop.DBus --type=method_call --print-reply \
/org/freedesktop/DBus org.freedesktop.DBus.ListNames | grep -v '":'

# List session services
dbus-send --session --dest=org.freedesktop.DBus --type=method_call --print-reply \
/org/freedesktop/DBus org.freedesktop.DBus.ListNames | grep -v '":'

  • DBUS - Registry Locations:

    /usr/share/dbus-1/services/*.service
/usr/share/dbus-1/system-services/*.service
/usr/share/dbus-1/interfaces/*.xml

  • DBUS - Call RPC:

    dbus-send --session --dest=<class> <namespace> <method> [<parameters>]

    Example

    dbus-send --session --dest=org.gnome.feed.Reader \
  /org/gnome/feed/Reader \
  org.gnome.feed.Reader.Subscribe \
  string:http://osnews.com/files/recent.rdf

  • Dark/Light Mode

        dbus-send --session --print-reply=literal --reply-timeout=1000 --dest=org.freedesktop.portal.Desktop /org/freedesktop/portal/desktop org.freedesktop.portal.Settings.Read string:'org.freedesktop.appearance' string:'color-scheme'

    will return a result like variant variant uint32 0 with the last number indicating light (0) or dark (1)