cant upload my code

Arduino: 1.8.5 (Linux), Board: "Arduino/Genuino Uno"

Sketch uses 5298 bytes (16%) of program storage space. Maximum is 32256 bytes.
Global variables use 572 bytes (27%) of dynamic memory, leaving 1476 bytes for local variables. Maximum is 2048 bytes.
avrdude: ser_open(): can't open device "/dev/ttyACM0": Permission denied
Problem uploading to board. See Arduino Help Center for suggestions.

This report would have more information with
"Show verbose output during compilation"
option enabled in File -> Preferences.

i use linux ubuntu 64 bit and each time i upload a code it shows this

this is the error messAge, please help me out guys.

Arduino: 1.8.5 (Linux), Board: “Arduino/Genuino Uno”

Sketch uses 928 bytes (2%) of program storage space. Maximum is 32256 bytes.
Global variables use 9 bytes (0%) of dynamic memory, leaving 2039 bytes for local variables. Maximum is 2048 bytes.
avrdude: ser_open(): can’t open device “/dev/ttyACM0”: Permission denied
Problem uploading to board. See http://www.arduino.cc/en/Guide/Troubleshooting#upload for suggestions.

This report would have more information with
“Show verbose output during compilation”
option enabled in File → Preferences.

this is the error messAge, please help me out guys.

DON'T CROSS POST!!!!!!!!!!!!!!!!!!!!

I HAVE REPORTED THIS THREAD TO THE MODERATORS

Someone's already trying to help you in the original thread. Why would you create another one?

Threads merged.