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## Installation von »Jupyter Notebook«
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»Jupyter Notebook« ist eine web-basierte interaktive Umgebung zur Erzeugung von
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Jupyter-Notebook-Dokumenten (oft Python-Programme mit zugehöriger
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Dokumentation).
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Nachfolgend werden Hinweise zur Installation unter openSUSE 15.1 gegeben. Sie
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gelten sinngemäß auch für andere systemd-basierte Linux-Distributionen.
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### Installation der nötigen Pakete
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```
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zypper in --recommends apache2 python3-jupyter_ipython
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```
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### Apache-Konfiguration eines virtuellen Hosts für »Jupyter Notebook« (Port 82)
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```bash
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cat <<EOF > /etc/apache2/vhosts.d/notebook.conf
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Listen 82
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<VirtualHost *:82>
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ProxyPass / http://127.0.0.1:8888/
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ProxyPassReverse / http://127.0.0.1:8888/
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# spoof headers to make notepad accept the request as coming from the same origin
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Header set Origin "http://127.0.0.1:8888/"
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RequestHeader set Origin "http://127.0.0.1:8888/"
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LogLevel debug
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<Location /api/kernels/>
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ProxyPass ws://127.0.0.1:8888/api/kernels/
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ProxyPassReverse ws://127.0.0.1:8888/api/kernels/
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</Location>
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<Location /ipython/terminals/websocket/>
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ProxyPass ws://127.0.0.1:8888/ipython/terminals/websocket/
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ProxyPassReverse ws://127.0.0.1:8888/ipython/terminals/websocket/
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</Location>
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</VirtualHost>
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EOF
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```
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### Systemd-Service-Datei zum Starten oder Stoppen des Servers
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```
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cat <<EOF > /usr/lib/systemd/system/ipython-notebook.service
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# README:
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# Copy this file to /usr/lib/systemd/system/
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# sudo systemctl daemon-reload
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# systemctl enable ipython-notebook
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# systemctl start ipython-notebook
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# The WorkingDirectory and ipython-dir must exist
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# If you don't want anything fancy, go to http://127.0.0.1:8888 to see your notebook
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# wheneber you want it
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[Unit]
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Description=IPython notebook
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[Service]
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Type=simple
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PIDFile=/var/run/ipython-notebook.pid
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ExecStart=/usr/bin/jupyter notebook --notebook-dir=/home/ipynb/notebooks --no-browser --profile=nbserver --NotebookApp.allow_origin="http://127.0.0.1:82"
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User=ipynb
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Group=ipynb
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WorkingDirectory=/home/ipynb/notebooks
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[Install]
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WantedBy=multi-user.target
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EOF
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```
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### Konfiguration
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Das Folgende ist unter dem root-Account bzw. mit root-Rechten auszuführen:
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```bash
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a2enmod proxy
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a2enmod proxy_html
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a2enmod proxy_http
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a2enmod headers
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a2enmod proxy_wstunnel
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useradd --create-home --system --user-group ipynb
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mkdir /home/ipynb/notebooks
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chown -R ipynb.ipynb /home/ipynb
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```
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Das Folgende ist unter dem Account des Nutzers `ipynb` auszuführen:
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```bash
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su - ipynb
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ipython profile create nbserver
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# Setzen des Passworts
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python3
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Python 3.5.2 (default, Sep 14 2016, 11:28:32)
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[GCC 6.2.1 20160901 (Red Hat 6.2.1-1)] on linux
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Type "help", "copyright", "credits" or "license" for more information.
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>>> from notebook.auth import passwd
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>>> passwd() # below I enter "password123"
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Enter password:
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Verify password:
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'sha1:????????????:??????'
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```
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In `/home/ipynb/.jupyter/jupyter_notebook_config.py` eintragen (unbedingt unter
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ipynb-Account!):
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```
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c.NotebookApp.password = 'sha1:????????????:??????'
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```
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Das Folgende ist unter dem root-Account bzw. mit root-Rechten auszuführen:
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```bash
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systemctl enable apache2.service
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systemctl start apache2.service
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systemctl enable ipython-notebook.service
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systemctl start ipython-notebook.service
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```
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### Zugriff
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Der Serverzugriff entsprechend der hier gezeigten Installation erfolgt über
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`http://HOSTNAME:82/`.
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