What is D-Bus practically useful for? - Unix & Linux Stack Exchange
网页2020年8月13日 — 61. dbus does exactly what you said: it allows two-way communication between applications. For your specific example you mentioned terminator. From terminator's man page, we see: --new-tab. If this is specified and Terminator is already running, DBus. will be used to spawn a new tab in the first Terminator window.
A list of available D-Bus services - Unix & Linux Stack Exchange
网页2020年3月7日 — I prefer busctl. Note that unlike other tools like qdbus and dbus-send this one defaults to the --system bus so to communicate with the session manager you have to explicitly use the --user switch.
Setup docker container to communicate with host over d-bus
网页2019年10月14日 — I'm creating two apps, master and slave, which communicate over d-bus. My apps work as expected when being run on the same host. Now I want to move slave app to docker container and I'm having problem sharing d-bus session between host and container. Here's my Dockerfile:
Failed to get D-Bus connection: Connection refused
网页2020年10月23日 — The reasons we'd often want to use the user bus is so that the user can control their own units with systemctl and review their own logs with journalctl. If the user is a system user with no login, then there is no one to control the bus and so it doesn't really make sense. Instead of using the systemd user bus, consider using the systemd ...
D-Bus authentication and authorization - Unix & Linux Stack …
网页2015年4月4日 — D-Bus implements a SASL-compliant interface (see RFC4422) to support a wide range of authentication mechanisms. One of these mechanisms is called "EXTERNAL" auth, and it means that the transport channel itself should be used to guarantee authentication. At least in the case of D-Bus over UNIX sockets, this appears to be the first authentication ...
Access to user's session D-bus from their cron commands
网页2015年12月19日 — The SESSION_MANAGER=lxsession above is appropriate for a main desktop session running under LXDE, under Gnome you'd set SESSION_MANAGER=gnome-session, and under KDE you'd use SESSION_MANAGER=kded4. If the job in the crontab has access to the session bus, you'll see something like the following in the output: Fri Dec 18 15:27:02 EST 2015.
Cannot enable user service. “Failed to get D-Bus connection: …
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D-Bus on Ubuntu inside a Docker container
网页2021年4月27日 — An example of D-Bus service that I would run and connect to inside the container: #!/usr/bin/env python. import gobject. import dbus. import dbus.service. import dbus.mainloop.glib. import sys. service_name = "com.testservice". object_path = …
debian - Failed to get D-Bus connection: No such file or directory ...
网页2018年3月18日 — “Failed to get D-Bus connection: Connection refused” Support"), only this time I have libpam-systemd already installed. admin@Gildurklaus:~ $ systemctl --user list-units Failed to get D-Bus connection: Connection refused Again, without the user parameter, the command runs fine.
d bus - How do I restart dbus after manual intervention in …
网页2018年8月18日 — It reinstalls dbus-user-session, but the bus is still not available. A 'ps aux' shows that dbus-daemon, dbus-launch and upstart-dbus-bridge processes are running. Current errors include 'invoke-rc.d: initscript udev, …