jk@jk-Aspire-E5-521:/etc/apt/sources.list.d$ sudo gedit

(gedit:5199): Gtk-WARNING **: Calling Inhibit failed: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.gnome.SessionManager was not provided by any .service files

** (gedit:5199): WARNING **: Set document metadata failed: Setting attribute metadata::gedit-spell-language not supported

** (gedit:5199): WARNING **: Set document metadata failed: Setting attribute metadata::gedit-encoding not supported