sudo usermod -a -G dialout $USER
To resolve your driver problem:
The AWM 20251 marking on your console cable is a safety certification, not a driver requirement. If you're using the cable directly with a DB9 port, no driver is needed. If you're using a USB-to-Serial adapter, the driver you need is for that adapter's internal chipset, not the AWM 20251 cable itself. Awm 20251 Console Cable Driver
sudo usermod -a -G dialout $USER
To resolve your driver problem:
The AWM 20251 marking on your console cable is a safety certification, not a driver requirement. If you're using the cable directly with a DB9 port, no driver is needed. If you're using a USB-to-Serial adapter, the driver you need is for that adapter's internal chipset, not the AWM 20251 cable itself.