I am trying to run my Pi headless from my 2 computers both running Ubuntu 16.04. I downloaded the latest version of RealVNC executable and installed it in the home directory. I also created the .desktop file to be able to start the Viewer from the GUI. On one system everything works well either from...

Thank you guys, I achieved what I wanted perfectly. The command becomes:

dd if.................count=9 > /dev/null 2>&1 &

Regards

I am new to linux so please be patient with me. I need to import data to the RPI via a usb to RS485 converter I am using a script which includes the line: dd if=/dev/ttyUSB0 of=/tmp/output bs=1 count=9 & this is working fine and a string of 9 bytes is being correctly received and stored into the fil...