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====== JupyterLabServer als Web-Jupyter-Hub mit Docker ======


http://wiki.itbs.selfhost.co/doku.php?id=offen:jhub


https://jupyterhub.readthedocs.io/en/1.2.0/installation-guide-hard.html **direkt auf eine Linux Maschine installieren**

https://jupyterhub.readthedocs.io/en/4.1.5/installation-guide-hard.html

offizielle Doku: https://jupyterhub.readthedocs.io/en/4.0.2/

18 Minuten Multiuser JupyterLab Server mit JupyterHub in Docker Video {{ :playground:about:coworking:multiuserjupyterlabserver_jupyterhubdocker.mp4 |MultiuserJupyterLabServer_JupyterHubDocker.mp4}}

[[https://fc3-d37.com/mNj_BgV/dokuwiki/doku.php?id=bhs:infoseite| neue BH Code Notizen]] Hier zum bearbeiten und einbringen von Ideen. \\
Als Download die drei Dateien zur Startkonfiguration. 

öffentliche Beispielseite: https://colab.research.google.com

  * {{ :playground:about:coworking:dockerfile.dockerfile |Dockerfile}} 
  * {{ :playground:about:coworking:jupyterhub_config.py |jupyterhub_config.py}} 
  * {{ :playground:about:coworking:docker-compose.yml |docker-compose.yml}}
  * Repository enthält die Dateien https://github.com/itbsStefan/ibexCode.git

Installations PresentationsPDF + Youtube https://github.com/minrk/jupyterhub-pydata-2016

===== berlincreators.de =====

https://blmgeotest.synology.me/dokuwiki/doku.php?id=cowork:elab:start

http://wiki.itbs.selfhost.co/doku.php?id=cowork:elab:start
[[cowork:elab:start|eLab JupyterHub]]

https://multiuserhub.ibwa.synology.me/hub/signup ibex


<note tip>

This quay.io/jupyterhub/jupyterhub docker image is only an image for running the Hub service itself

</note>
===== Jupyter Server aus lokalen Verzeichnisen starten =====
This launches a Tornado-based Jupyter Server. \\
''jupyter server'' \\
''jupyter server list'' \\
Currently running servers: \\
http://localhost:8888/ :: /home/intrepid-ibex \\
http://localhost:8889/ :: /home/intrepid-ibex/bhCode/dockerJupyterServer \\

https://jupyter-notebook.readthedocs.io/en/latest/migrate_to_notebook7.html

===== Hub Installation im lokalen Netzwerk =====

Anleitung mit eigenem Dockerfile https://youtube.com/watch?v=hoz7uhgEHcI&feature=shared

<note tip>
Hier zum bearbeiten und einbringen von Ideen hochgeladen. 

{{ :playground:about:coworking:dockerfile.dockerfile |Dockerfile}} {{ :playground:about:coworking:jupyterhub_config.py |jupyterhub_config.py}} {{ :playground:about:coworking:docker-compose.yml |docker-compose.yml}}

</note>
  
''git clone https://github.com/itbsStefan/ibexCode.git gitOnline''

  docker build .

<code>
(base) intrepid-ibex@intrepid-ibex:~/bhCode/dockerJupyterServer$ docker build .
[+] Building 1.0s (14/14) FINISHED                                                                                                                                       docker:default
 => [internal] load .dockerignore                                                                                                                                                  0.0s
 => => transferring context: 2B                                                                                                                                                    0.0s
 => [internal] load build definition from Dockerfile                                                                                                                               0.0s
 => => transferring dockerfile: 1.23kB                                                                                                                                             0.0s
 => [internal] load metadata for docker.io/jupyterhub/jupyterhub:latest                                                                                                            0.4s
 => [1/9] FROM docker.io/jupyterhub/jupyterhub:latest@sha256:f82a4efb57e3549afc2cac46c013e11e2204ea63770d2c0d23dae08eee3a1337                                                      0.0s
 => [internal] load build context                                                                                                                                                  0.0s
 => => transferring context: 38.99kB                                                                                                                                               0.0s
 => CACHED [2/9] RUN pip install --no-cache     oauthenticator     dockerspawner     jupyterhub-nativeauthenticator                                                                0.0s
 => CACHED [3/9] WORKDIR /home/jovyan/work                                                                                                                                         0.0s
 => CACHED [4/9] COPY README.md ./README.md                                                                                                                                        0.0s
 => CACHED [5/9] RUN mkdir -p /home/jovyan/work/readonly                                                                                                                           0.0s
 => CACHED [6/9] RUN mkdir -p /home/jovyan/builfiles/ibexCode                                                                                                                      0.0s
 => CACHED [7/9] RUN cd /home/jovyan/builfiles/ibexCode                                                                                                                            0.0s
 => [8/9] ADD gitOnline .                                                                                                                                                          0.0s
 => [9/9] RUN cd ~                                                                                                                                                                 0.2s
 => exporting to image                                                                                                                                                             0.2s
 => => exporting layers                                                                                                                                                            0.2s
 => => writing image sha256:c876ec845d0c89c8a95122fcae01e1efd2b30be4947fe5f5b14a5448dc054e57                                                                                       0.0s

</code>

Nun noch folgenden Befehl ausführen um JupyterHub-Server zu starten.

  docker compose up -d --build
  
Öffne `http://localhost:8000` in deinem Browser und melde dich an (oder registriere ein neuen Benutzernamen)

----
Es gibt verschiedene Methoden um ein JupyterHub Server zum laufen zu bekommen folgend die Notizen des ersten Versuchs.

Auf dem Laptop 💻

Docker version 24.0.7, build afdd53b

https://tljh.jupyter.org/en/latest/contributing/dev-setup.html

  hostibex:~/bhCode/the-littlest-jupyterhub$ docker build -t tljh-systemd . -f integration-tests/Dockerfile

  (base) intrepid-ibex@intrepid-ibex:~/bhCode/the-littlest-jupyterhub$ docker images
 
REPOSITORY     TAG       IMAGE ID       CREATED          SIZE
tljh-systemd   latest    4fb657f73884   11 seconds ago   275MB

====== Subdomains ======
80.147.0.159 alternativ 185.89.38.58
  * spielwiese.it.bs.fpr.net
  * jupyterhub.it.bs.fpr.net
  * jupyterhub.itbs.selfhost.co
  * jupyterhub.blmgeotest.synology.me
  * hub.bergemann-hoehne.com
  * ibex.spielwiese.bergemann-hoehne.com

//Zur Server Subdomain würde als erstes die IP 80.147.0.159 mit hub.bergemann-hoehne.com gut passen.
Falls noch eine zweite Subdomain möglich ist sozusagen als Meisterstückadresse wäre ibex.spielwiese.bergemann-hoehne.com super wobei spielwiese auch durch beliebige Domainnamensyntax variabel sein kann. Diese zweite geht auf die IP 185.89.38.58 
//

==== Authentifikation mit GitHub ====

https://tljh.jupyter.org/en/latest/howto/auth/github.html

https://github.com/settings/applications/new

https://docs.github.com/de/apps/oauth-apps/building-oauth-apps/authorizing-oauth-apps

benötigt:
  - Application name Something users will recognize and trust.
    * ibex-tljh
  - Homepage URL The full URL to your application homepage.
    * http://wiki.itbs.selfhost.co/doku.php?id=playground:about:coworking:jupyterhub
  - Application description This is displayed to all users of your application.
    * The Littlest JupyterHub Server auf dem IBEX Laptop wenn dieser im Büro-Netzwerk der Synology angeschlossen ist. 
  - Authorization callback URL Your application’s callback URL. Read our OAuth documentation for more information.
    * http://ibex-tljh.blmgeotest.synology.me/hub/oauth_callback



Client ID 5fd0150ba241c0c8fde1
Client secrets f889d2ef26ca21b758db34ae868ecb9a6ddc9b6c
Added Jan 8, 2024 by itbsStefan Never used
You cannot delete the only client secret. Generate a new client secret first.

bearbeite die Konfiguration:
<code>
sudo tljh-config set auth.GitHubOAuthenticator.client_secret '<my-tljh-client-secret>'
sudo tljh-config set auth.GitHubOAuthenticator.oauth_callback_url 'http(s)://<my-tljh-ip-address>/hub/oauth_callback'
sudo tljh-config set auth.type oauthenticator.github.GitHubOAuthenticator
sudo tljh-config reload
</code>

==== Authentifikation zurück setzen ====

the FirstUseAuthenticator is enabled by default in TLJH.
<code>
sudo tljh-config set auth.type firstuseauthenticator.FirstUseAuthenticator
sudo tljh-config reload
</code>
Users who are currently logged in will continue to be logged in. When they log out and try to log back in, they will be asked to provide a username and password.
Users changing their own password

Users can change their password by first logging into their account and then visiting the url <your_server_ip>/hub/auth/change-password.

Allowing anyone to log in to your JupyterHub

By default, you need to manually create user accounts before they will be able to log in to your JupyterHub. If you wish to allow any user to access the JupyterHub, run the following command.
<code>
tljh-config set auth.FirstUseAuthenticator.create_users true
tljh-config reload
</code>


----
$ docker network create --subnet=255.255.255.0/24 synologynet
====== Startvoraussetzungen ======
  intrepid-ibex@intrepid-ibex:~$ cat /etc/issue.net 
Ubuntu 22.04.3 LTS

  $ git --version
git version 2.34.1
  $ python3 --version
Python 3.10.12
  $ node --version
v21.1.0
  $ npm --version
10.2.0
  $ nvm --version
0.39.1

Es wird zur Installation auch Root-Zugriff benötigt. (**mit ''su''**) conda in /opt installieren
jupyterhub 
<code text>
$ sudo chown intrepid-ibex:users /srv/
$ ls -la /srv/
insgesamt 8
drwxr-xr-x  2 intrepid-ibex users 4096 Aug  8 00:52 .
drwxr-xr-x 20 root          root  4096 Okt 26 22:12 ..
</code>
  $ sudo usermod -aG users intrepid-ibex 
  $ sudo usermod -aG www-data intrepid-ibex 
  $ git clone https://github.com/minrk/jupyterhub-pydata-2016 /srv/jupyterhub

<code text>  
$ cd /srv/jupyterhub
srv/jupyterhub$ ls -la
insgesamt 156
drwxrwxr-x 5 intrepid-ibex intrepid-ibex  4096 Nov 16 13:20 .
drwxr-xr-x 3 intrepid-ibex users          4096 Nov 16 13:20 ..
-rw-rw-r-- 1 intrepid-ibex intrepid-ibex  8374 Nov 16 13:20 authenticators.ipynb
-rw-rw-r-- 1 intrepid-ibex intrepid-ibex   215 Nov 16 13:20 env
-rw-rw-r-- 1 intrepid-ibex intrepid-ibex   215 Nov 16 13:20 environment.yml
drwxrwxr-x 8 intrepid-ibex intrepid-ibex  4096 Nov 16 13:20 .git
-rw-rw-r-- 1 intrepid-ibex intrepid-ibex    84 Nov 16 13:20 .gitattributes
-rw-rw-r-- 1 intrepid-ibex intrepid-ibex    43 Nov 16 13:20 .gitignore
drwxrwxr-x 2 intrepid-ibex intrepid-ibex  4096 Nov 16 13:20 img
-rw-rw-r-- 1 intrepid-ibex intrepid-ibex   895 Nov 16 13:20 jupyterhub_config.py-docker
-rw-rw-r-- 1 intrepid-ibex intrepid-ibex   590 Nov 16 13:20 jupyterhub_config.py-localgithub
-rw-rw-r-- 1 intrepid-ibex intrepid-ibex   233 Nov 16 13:20 jupyterhub_config.py-ssl
-rw-rw-r-- 1 intrepid-ibex intrepid-ibex   132 Nov 16 13:20 JupyterHub.key
-rw-rw-r-- 1 intrepid-ibex intrepid-ibex   131 Nov 16 13:20 JupyterHub.pdf
-rw-rw-r-- 1 intrepid-ibex intrepid-ibex   590 Nov 16 13:20 README.md
-rw-rw-r-- 1 intrepid-ibex intrepid-ibex  5372 Nov 16 13:20 rest-api.ipynb
-rw-rw-r-- 1 intrepid-ibex intrepid-ibex 70164 Nov 16 13:20 spawners.ipynb
drwxrwxr-x 2 intrepid-ibex intrepid-ibex  4096 Nov 16 13:20 supervisor
-rw-rw-r-- 1 intrepid-ibex intrepid-ibex  2053 Nov 16 13:20 timeline.md
</code>
  
===== conda installieren =====

https://learnubuntu.com/install-conda/

https://docs.conda.io/en/latest/miniconda.html?ref=learnubuntu.com#linux-installers

<code>
$ chmod -v +x ~/Downloads/Miniconda*.sh
$ /Downloads/Miniconda3-py310_23.9.0-0-Linux-x86_64.sh 
... installation finished.
Do you wish to update your shell profile to automatically initialize conda?
This will activate conda on startup and change the command prompt when activated.
If you'd prefer that conda's base environment not be activated on startup,
   run the following command when conda is activated:

conda config --set auto_activate_base false

You can undo this by running `conda init --reverse $SHELL`? [yes|no]
[no] >>> 
You have chosen to not have conda modify your shell scripts at all.
To activate conda's base environment in your current shell session:

eval "$(/home/intrepid-ibex/miniconda3/bin/conda shell.YOUR_SHELL_NAME hook)" 

To install conda's shell functions for easier access, first activate, then:

conda init

Thank you for installing Miniconda3!
intrepid-ibex@intrepid-ibex:~/Downloads$ 
</code> 

  intrepid-ibex@intrepid-ibex:/srv/jupyterhub$ pip --version
pip 23.2.1 from /home/intrepid-ibex/miniconda3/lib/python3.10/site-packages/pip (python 3.10)

  (base) intrepid-ibex@intrepid-ibex:~$ conda --version
conda 23.9.0
(update $ conda update -n base -c defaults conda install conda=23.10.0)

  $ conda install -c conda-forge jupyterhub
  $ conda install notebook


  $ cd /srv/jupyterhub/
  $ conda env create -f environment.yml
  
  
(base) intrepid-ibex@intrepid-ibex:/srv/jupyterhub$ jupyterhub --version
3.1.1

  $ openssl req -x509 -nodes -days 365 -newkey rsa:1024 -keyout ssltest.key -out ssltest.crt
<code>
...............................................++++++++++++++ 
-----
You are about to be asked to enter information that will be incorporated
into your certificate request.
What you are about to enter is what is called a Distinguished Name or a DN.
There are quite a few fields but you can leave some blank
For some fields there will be a default value,
If you enter '.', the field will be left blank.
-----
Country Name (2 letter code) [AU]:DE
State or Province Name (full name) [Some-State]:Berlin
Locality Name (eg, city) []:Berlin
Organization Name (eg, company) [Internet Widgits Pty Ltd]:localAkademie
Organizational Unit Name (eg, section) []:B&H
Common Name (e.g. server FQDN or YOUR name) []:spielwiese.itbs.selfhost.me
Email Address []:ibex@quantentunnel.de
</code>

**trusted ssl certificate** ist notwendig ((xsplit))
Nur mit einer echten Domain kann man Let'sEncryt verwenden.

https://letsencrypt.org/de/getting-started/

(base) intrepid-ibex@intrepid-ibex:~/bhCode/certbotletsencrypt$ ./letsencrypt-auto-source/letsencrypt-auto certonly --standalone -d itbs.selfhost.co
Requesting to rerun ./letsencrypt-auto-source/letsencrypt-auto with root privileges...
[sudo] Passwort für intrepid-ibex: 
Skipping bootstrap because certbot-auto is deprecated on this system.
Your system is not supported by certbot-auto anymore.
Certbot cannot be installed.
Please visit https://certbot.eff.org/ to check for other alternatives.


----
  ibex:/srv/jupyterhub$ jupyterhub --generate-config
  $ nano jupyterhub_config.py
  

----
  $ sudo apt install certbot
  $ certbot --version
certbot 1.21.0
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