Are you connecting the serial device directly to a USB port on the motherboard, or going via a hub? I believe the connection needs to be direct (on any OS) for the driver to work, so if you are connecting to a USB port on your keyboard, monitor, or whatever it's probably not going to work. Andy On 26 May 2015 at 13:30, Dave Ihnat <dihnat@xxxxxxxxxx> wrote: > On Mon, May 25, 2015 at 08:20:41PM -0400, Mickey wrote: >> Why is this a bad syntax ? >> >> # chmod 666 /dev/ttyACM0 –> ( Why Is this a bad syntax) > > Octal. "chmod 0666 /dev/ttyACM0". > > Cheers, > -- > Dave Ihnat > dihnat@xxxxxxxxxx > -- > users mailing list > users@xxxxxxxxxxxxxxxxxxxxxxx > To unsubscribe or change subscription options: > https://admin.fedoraproject.org/mailman/listinfo/users > Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct > Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines > Have a question? Ask away: http://ask.fedoraproject.org -- Andy The only person to have all his work done by Friday was Robinson Crusoe -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines Have a question? Ask away: http://ask.fedoraproject.org