• Linux Nvidia Graphic Card
• Linux AMD/ATI Graphic Driver
• Ubuntu Drivers

• Graphics driver check Ubuntu 20.04 Focal Fossa - LinuxConfig.org

sudo lshw -c video
 
# glxinfo
sudo apt install mesa-utils
glxinfo -B
 
# 어떤 그래픽 카드를 사용중인가?
lspci -nn | grep -E 'VGA|Display'
# OR
sudo lshw -c video

• 어떤 드라이버를 로딩했는가? https://unix.stackexchange.com/a/452582

sudo lsof +D /usr/lib/xorg/modules/drivers/ +D /usr/lib/x86_64-linux-gnu/nvidia/xorg/

• Linux GPU Monitoring and Diagnostic Commands Line Tools - nixCraft