Failed to connect to Mir: Failed to connect to server socket: No such file or directory Unable to init server: Could not connect: Connection refused Failed to connect to Mir: Failed to connect to server socket: No such file or directory Unable to init server: Could not connect: Connection refused /usr/lib/python3/dist-packages/sessioninstaller/core.py:47: PyGIWarning: Gst was imported without specifying a version first. Use gi.require_version('Gst', '1.0') before import to ensure that the right version gets loaded. from gi.repository import Gst /usr/lib/python3/dist-packages/sessioninstaller/core.py:48: PyGIWarning: Gtk was imported without specifying a version first. Use gi.require_version('Gtk', '3.0') before import to ensure that the right version gets loaded. from gi.repository import Gtk usage: gstreamer-codec-install [-h] [--transient-for XID] [--interaction INTERACTION] [--desktop-id DESKTOP_ID] [--startup-notification-id STARTUP_NOTIFICATION_ID] codec [codec ...] gstreamer-codec-install: error: the following arguments are required: codec

Failed to connect to Mir: Failed to connect to server socket: No such file or directory Unable to init server: Could not connect: Connection refused Failed to connect to Mir: Failed to connect to server socket: No such file or directory Unable to init server: Could not connect: Connection refused /usr/lib/python3/dist-packages/sessioninstaller/core.py:47: PyGIWarning: Gst was imported without specifying a version first. Use gi.require_version('Gst', '1.0') before import to ensure that the right version gets loaded. from gi.repository import Gst /usr/lib/python3/dist-packages/sessioninstaller/core.py:48: PyGIWarning: Gtk was imported without specifying a version first. Use gi.require_version('Gtk', '3.0') before import to ensure that the right version gets loaded. from gi.repository import Gtk usage: gstreamer-codec-install [-h] [--transient-for XID] [--interaction INTERACTION] [--desktop-id DESKTOP_ID] [--startup-notification-id STARTUP_NOTIFICATION_ID] codec [codec ...] positional arguments: codec The codec to install (currently ignored) optional arguments: -h, --help show this help message and exit --transient-for XID The X Window ID of the calling application --interaction INTERACTION Whether to ask the user to confirm installation or not (currently ignored) --desktop-id DESKTOP_ID The .desktop file of the calling application (currently ignored) --startup-notification-id STARTUP_NOTIFICATION_ID An X11-style startup notification ID