I can't upload to my uno.
ls -l /dev/serial/by-*
kyhx@kyhx-netbook:~$ ls -l /dev/serial/by-* /dev/serial/by-id: total 0 lrwxrwxrwx 1 root root 13 2010-11-13 02:26 usb-Arduino__www.arduino.cc__Arduino_Uno_6493832333135151C140-if00 -> ../../ttyACM0 /dev/serial/by-path: total 0 lrwxrwxrwx 1 root root 13 2010-11-13 02:26 pci-0000:00:1d.1-usb-0:2:1.0 -> ../../ttyACM0
So it is showing up but not on the right port, in addition [Tools > Serial Ports] is greyed out. I have found many topics on this problem, but nothing that I could figure it out from.