[jupyter] "Permission to listen on port XXXX denied." 에러 해결

평소처럼 Jupyter notebook을 실행하는데 서버 포트 에러가 주~~욱 뜬다.

 

아래와 같은 에러 발견

W 22:50:19.358 NotebookApp] Permission to listen on port 8888 denied.
[W 22:50:19.360 NotebookApp] Permission to listen on port 8889 denied.
[W 22:50:19.361 NotebookApp] Permission to listen on port 8890 denied.
[W 22:50:19.361 NotebookApp] Permission to listen on port 8891 denied.
[W 22:50:19.362 NotebookApp] Permission to listen on port 8892 denied.
[W 22:50:19.363 NotebookApp] Permission to listen on port 8901 denied.
[W 22:50:19.364 NotebookApp] Permission to listen on port 8896 denied.
[W 22:50:19.365 NotebookApp] Permission to listen on port 8941 denied.
[W 22:50:19.367 NotebookApp] Permission to listen on port 8947 denied.
[W 22:50:19.368 NotebookApp] Permission to listen on port 8859 denied.
[W 22:50:19.369 NotebookApp] Permission to listen on port 8944 denied.
[W 22:50:19.370 NotebookApp] Permission to listen on port 8936 denied.
[W 22:50:19.372 NotebookApp] Permission to listen on port 8858 denied.
[W 22:50:19.373 NotebookApp] Permission to listen on port 8794 denied.
[W 22:50:19.374 NotebookApp] Permission to listen on port 8916 denied.
[W 22:50:19.375 NotebookApp] Permission to listen on port 8903 denied.
[W 22:50:19.376 NotebookApp] Permission to listen on port 8866 denied.
[W 22:50:19.377 NotebookApp] Permission to listen on port 8837 denied.

 

아무리 해도 안되어서, 구글링 열심히 해보니 ... 방법 찾음

 

 

 

step1) 관리자 권한으로 '명령프롬프트'(cmd) 실행 

step2) NAT Driver 를 재시작

net stop winnat
net start winnat

 

NAT Driver 재시작

 

그리고 다시 Jupyter 실행하면, 잘 동작된다!!