D. R. Evans wrote on 11/06/2018 07:56 AM: > D. R. Evans wrote on 11/05/2018 06:14 PM: >> vipul kumar wrote on 11/05/2018 05:35 PM: >>> Run Jupyter-notebook from terminal. Send log report which you'll get on terminal while running jupyter-notebook. >>> >> > >> >> [HN:~] jupyter-notebook >> [I 18:11:04.210 NotebookApp] Serving notebooks from local directory: /home/n7dr >> [I 18:11:04.211 NotebookApp] 0 active kernels >> [I 18:11:04.211 NotebookApp] The Jupyter Notebook is running at: >> http://localhost:8888/ >> [I 18:11:04.211 NotebookApp] Use Control-C to stop this server and shut down >> all kernels (twice to skip confirmation). >> >> ---- > > I see additional messages when I actually try to create the notebook (sorry; I > wasn't looking for those yesterday): > > ---- > > HN:~] jupyter-notebook > [I 07:37:19.123 NotebookApp] Serving notebooks from local directory: /home/n7dr > [I 07:37:19.124 NotebookApp] 0 active kernels > [I 07:37:19.124 NotebookApp] The Jupyter Notebook is running at: > http://localhost:8888/ > [I 07:37:19.124 NotebookApp] Use Control-C to stop this server and shut down > all kernels (twice to skip confirmation). > [I 07:37:29.629 NotebookApp] Creating new notebook in > [I 07:37:32.575 NotebookApp] Kernel started: 00f6d461-87f1-410e-9963-5f5db91602f3 > /usr/bin/python: No module named ipykernel_launcher > [I 07:37:35.561 NotebookApp] KernelRestarter: restarting kernel (1/5) > /usr/bin/python: No module named ipykernel_launcher > [I 07:37:38.571 NotebookApp] KernelRestarter: restarting kernel (2/5) > /usr/bin/python: No module named ipykernel_launcher > [I 07:37:41.582 NotebookApp] KernelRestarter: restarting kernel (3/5) > /usr/bin/python: No module named ipykernel_launcher > [W 07:37:42.678 NotebookApp] Timeout waiting for kernel_info reply from > 00f6d461-87f1-410e-9963-5f5db91602f3 > [I 07:37:44.592 NotebookApp] KernelRestarter: restarting kernel (4/5) > WARNING:root:kernel 00f6d461-87f1-410e-9963-5f5db91602f3 restarted > /usr/bin/python: No module named ipykernel_launcher > [W 07:37:47.604 NotebookApp] KernelRestarter: restart failed > [W 07:37:47.605 NotebookApp] Kernel 00f6d461-87f1-410e-9963-5f5db91602f3 died, > removing from map. > ERROR:root:kernel 00f6d461-87f1-410e-9963-5f5db91602f3 restarted failed! > [W 07:37:47.654 NotebookApp] Kernel deleted before session > [W 07:37:47.656 NotebookApp] 410 DELETE > /api/sessions/56ef952c-800c-448f-baf0-857081b87abc (::1) 3.46ms > referer=http://localhost:8888/notebooks/Untitled4.ipynb?kernel_name=python3 > > ---- > > The strange thing here is: > /usr/bin/python: No module named ipykernel_launcher > > Why is it running /usr/bin/python, which is a link to python2?? > > ---- > > HN:~] ls -al /usr/bin/python > lrwxrwxrwx 1 root root 9 Jan 24 2017 /usr/bin/python -> python2.7 > > ---- > > I would have thought that, since the package installed the ipython3 kernel for > jupyter, and when I try to create a notebook, it's python3 that is in the > "New" drop-down menu on the jupyter page, then it should be executing > /usr/bin/python3, not /usr/bin/python. > > Is this perhaps an error in the packaging? This is now bug 913110: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=913110 The bug report includes a simple fix. Doc -- Web: http://enginehousebooks.com/drevans
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