Notes dbus

Voir :

https://serverfault.com/questions/936985/cannot-use-systemctl-user-due-to-failed-to-get-d-bus-connection-permission

https://stackoverflow.com/questions/59860849/is-there-a-way-to-reliably-check-that-systemd-supports-user

https://blogs.igalia.com/dpino/2016/04/10/network-namespaces/

https://github.com/AsamK/signal-cli/issues/394

https://wiki.openbsd.fr.eu.org/doku.php/system/x11/dbus

https://superuser.com/questions/1561076/systemctl-use-failed-to-connect-to-bus-no-such-file-or-directory-debian-9

dbus-send

dbus-send --session \ --dest=org.freedesktop.DBus \ --type=method_call \ --print-reply \ /org/freedesktop/DBus \ org.freedesktop.DBus.ListNames dbus-send --system \ --dest=org.freedesktop.DBus \ --type=method_call \ --print-reply \ /org/freedesktop/DBus \ org.freedesktop.DBus.ListNames dbus-send --system \ --dest=org.freedesktop.DBus \ --type=method_call \ --print-reply \ /org/freedesktop/DBus/UPower \ org.freedesktop.DBus.ListNames dbus-send --print-reply --system --dest=org.freedesktop.UPower /org/freedesktop/UPower org.freedesktop.UPower.Suspend dbus-send \ --system \ --print-reply \ --dest=org.freedesktop.login1 \ /org/freedesktop/login1 \ org.freedesktop.login1.Manager.Suspend \ boolean:true