melt your notebooks if they don't get used!
pip install nbmelt jupyter serverextension enable nbmelt NBMELT_TIMEOUT=30 jupyter notebook
[I 23:42:27.597 NotebookApp] This notebook will self destruct if you don't use it in 30 seconds! [I 23:42:27.604 NotebookApp] Serving notebooks from local directory: ~/notebooks [I 23:42:27.604 NotebookApp] 0 active kernels [I 23:42:27.605 NotebookApp] The Jupyter Notebook is running at: [I 23:42:27.605 NotebookApp] http://localhost:8888/ [I 23:42:27.605 NotebookApp] Use Control-C to stop this server and shut down all kernels (twice to skip confirmation). [E 23:42:57.600 NotebookApp] No authenticated requests received in 30s, exiting. [I 23:42:57.601 NotebookApp] Shutting down 0 kernels