dbus-daemon 命令

常用示例

说明

dbus-daemon is the D-Bus message bus daemon that enables inter-process communication (IPC) between applications on Linux and Unix systems. It acts as a message router, receiving messages from one application and delivering them to the appropriate destination based on bus names and object paths. Two main bus types exist: the session bus (per-user) for desktop applications and user services, and the system bus (system-wide) for system services and hardware events. The session bus is created when a user logs in and exists for the duration of their session. The system bus is started at boot and runs with elevated privileges. D-Bus is fundamental to modern Linux desktop environments and system services. Applications use it for everything from notification delivery to hardware management. For example, NetworkManager, systemd, PulseAudio, and most desktop applications communicate through D-Bus. The daemon enforces security policies defined in its configuration files, controlling which applications can own bus names, send messages to specific services, and receive broadcasts. This prevents unauthorized access to sensitive system functionality.

参数

--config-file _file_

Use specified configuration file

--session

Use session bus configuration

--system

Use system bus configuration

--address _address_

Listen address override

--print-pid=_DESCRIPTOR_

Print PID to stdout, or to the given file descriptor

--print-address=_DESCRIPTOR_

Print bus address to stdout, or to the given file descriptor

--syslog

Enable syslog logging in addition to stderr

--nofork

Do not fork into background, even if configured to do so

--fork

Fork into background, even if not configured to do so

--nopidfile

Do not write a PID file even if configured to do so

--nosyslog

Force output to stderr only, do not use syslog

--syslog-only

Force syslog logging only, do not duplicate messages to stderr

--introspect

Print introspection information for all D-Bus internal interfaces and exit

--systemd-activation

Enable systemd-style service activation

--version

Print daemon version and exit