can't upload

hello i can't upload my program to my arduino uno please help me. this is the error message that i have received.

Arduino: 1.8.10 (Linux), Board: "Arduino/Genuino Uno"

Sketch uses 1160 bytes (3%) 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 An error occurred while uploading the sketch

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

pls help thx

Please follow these instructions: https://www.arduino.cc/en/Guide/Linux#toc6

thank you, it works :)