I've received an Arduino Uno today only. I have zero experience prior to Arduino boards or any other micro controller. I followed every step very carefully from the setting up guide for Linux based OS, but I still can't connect the board with my Ubuntu 16.04 PC. After googling the problem I found that the device must show up as
ttyACM* but I don't see any such device in
/dev. Its also not listed under the command
lsusb but the LED's on the board are working properly. The ON LED is turned on when I connect it with my PC and the inbuilt LED starts to blink.
This is what the IDE displays: