[오류해결]/sbin/ldconfig.real: /usr/local/cuda/targets/x86_64-linux/lib/libcudnn.so.8 is not a symbolic link

cuda11.3 cudnn8.5.0을 설치한 뒤 다른 명령어를 실행하다 보면

/sbin/ldconfig.real: /usr/local/cuda/targets/x86_64-linux/lib/libcudnn_ops_infer.so.8 is not a symbolic link

/sbin/ldconfig.real: /usr/local/cuda/targets/x86_64-linux/lib/libcudnn_adv_train.so.8 is not a symbolic link

/sbin/ldconfig.real: /usr/local/cuda/targets/x86_64-linux/lib/libcudnn_adv_infer.so.8 is not a symbolic link

/sbin/ldconfig.real: /usr/local/cuda/targets/x86_64-linux/lib/libcudnn_cnn_train.so.8 is not a symbolic link

/sbin/ldconfig.real: /usr/local/cuda/targets/x86_64-linux/lib/libcudnn_cnn_infer.so.8 is not a symbolic link

/sbin/ldconfig.real: /usr/local/cuda/targets/x86_64-linux/lib/libcudnn_ops_train.so.8 is not a symbolic link

/sbin/ldconfig.real: /usr/local/cuda/targets/x86_64-linux/lib/libcudnn.so.8 is not a symbolic link

다음과 같은 에러 발생

 

cudnn을 복사할 때 symbolic link가 사라져서 생긴 에러

cd /usr/local/cuda-11.3/lib64

sudo ln -sf libcudnn.so.8.5.0 libcudnn.so.8
sudo ln -sf libcudnn.so.8 libcudnn.so

sudo ln -sf libcudnn.so.8.5.0 libcudnn_ops_infer.so.8
sudo ln -sf libcudnn_ops_infer.so.8 libcudnn.so

sudo ln -sf libcudnn.so.8.5.0 libcudnn_ops_train.so.8
sudo ln -sf libcudnn_ops_train.so.8 libcudnn.so

sudo ln -sf libcudnn.so.8.5.0 libcudnn_adv_train.so.8
sudo ln -sf libcudnn_adv_train.so.8 libcudnn.so

sudo ln -sf libcudnn.so.8.5.0 libcudnn_adv_infer.so.8
sudo ln -sf libcudnn_adv_infer.so.8 libcudnn.so

sudo ln -sf libcudnn.so.8.5.0 libcudnn_cnn_infer.so.8
sudo ln -sf libcudnn_cnn_infer.so.8 libcudnn.so

sudo ln -sf libcudnn.so.8.5.0 libcudnn_cnn_train.so.8
sudo ln -sf libcudnn_cnn_train.so.8 libcudnn.so

심볼릭 링크를 다시 생성해줍니다.

 

자신의 cuda, cudnn 버전에 맞게 명령어를 바꿔줍니다.