David Turvene schrieb: > On Sat, 2007-08-18 at 21:55 +0200, Guennadi Liakhovetski wrote: >>> What are my hardware/software/configuration options for local comms >>> (primary ethernet network down) between my laptop with only USB ports to >>> a headless server with only USB ports? >> Your another option would be to provide each your server with a >> USB-to-serial dongle similar to the one you use with your laptop, and >> specify "console=ttyUSB0,..." on server's kommand line (if you want a >> console on it) and start a getty on it from /etc/inittab just as usual. >> >> Thanks >> Guennadi > > > Thanks for the reply. That seems to be a good solution - effectively > two back-to-back USB-serial cables (e.g. what I use now, a Belkin > F5U109). It seems so obvious with the pervasiveness of USB that I am > concerned about the seeming lack of implementations (at least there is > little in the HOWTOs and newsgroups). Am I missing something? I have a > hard time believing there are small server sites that do not have this > issue. > > Maybe a PPP connection over USB is the preferred solution? I have done > this with a PDA (Intel PXA255) but that contains a gadget controller.
There is something like a USB "Communication Device Class" (CDC) which should allow you to implement a serial console without the need for a RS232 physical layer of all the USB-serial converters (FTDI, Keyspan, ...). See: http://en.wikipedia.org/wiki/USB_communications_device_class Regards, -- Clemens Koller __________________________________ R&D Imaging Devices Anagramm GmbH Rupert-Mayer-Straße 45/1 Linhof Werksgelände D-81379 München Tel.089-741518-50 Fax 089-741518-19 http://www.anagramm-technology.com ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/ _______________________________________________ Linux-usb-users@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-users
