====== How to setup Jupyter Notebook on Linux ======

===== 1.Installation of Python =====
Update packages:
<code>
sudo apt update
</code>

Install //pip// and Python headlines that are necessary for some dependences of Jupyter:
<code>
sudo apt install python3-pip python3-dev
</code>

===== 2. Creating a virtual environment for Jupyter =====
Upgrade //pip// and install //virtualenv//:
<code>
sudo -H pip3 install --upgrade pip
sudo -H pip3 install virtualenv
</code>
Create working directory for virtual environment:
<code>
mkdir ~/my_project_dir
cd ~/my_project_dir
</code>

And create one for Python:
<code>
virtualenv my_project_env
</code>

To activate the created environment perform the following command:
<code>
source my_project_env/bin/activate
</code>

The command line will be changed in the similar way:
<code>
(my_project_env)user@host:~/my_project_dir$
</code>

Now you can install Jupyter Notebook into the created environment.

===== 3. Installation of Jupyter =====
<code>
pip install jupyter
</code>



===== 4. Running Jupyter Notebook =====
To run Jupyter Notebook locally, perform the following command:
<code>
jupyter notebook
</code>

<code>
[I 19:24:18.684 NotebookApp] Serving notebooks from local directory: /home/anton/jupyter
[I 19:24:18.684 NotebookApp] Jupyter Notebook 6.5.2 is running at:
[I 19:24:18.684 NotebookApp] http://localhost:8888/?token=d79281bdf456400beaf6bbc9f089e334fb0312aa1210219f
[I 19:24:18.684 NotebookApp]  or http://127.0.0.1:8888/?token=d79281bdf456400beaf6bbc9f089e334fb0312aa1210219f
[I 19:24:18.684 NotebookApp] Use Control-C to stop this server and shut down all kernels (twice to skip confirmation).
[C 19:24:18.730 NotebookApp] 
</code>

You will see the opened Notebook in your browser:
{{:python:pasted:20230207-201527.png}}

===== 5. Stop working with Jupyter =====

Stop Jupyter Notebook process:

Press CTRL+C in a terminal, choose Y and press Enter to approve. You will see the following in the terminal:
<code>
[C 19:27:01.913 NotebookApp] Shutdown confirmed
[I 19:27:01.914 NotebookApp] Shutting down 0 kernels
</code>

Deactivate the virtual environment:
<code>
deactivate
</code>