Environments

Environments¶

Every JupyterHub server is being spawned with two environments from the start - default python environment and an additional conda environment. On Launcher tab under Notebook or Console you can choose which environment to use. You can also use the Terminal:

Python Virtual Environments¶

Each environment has their own independent set of Python packages installed in their site directories. A virtual environment is created on top of an existing Python installation, known as the virtual environment’s base Python, and may be isolated from the packages in the base environment, so only those explicitly installed in the virtual environment are available. Python Virtual Environment Docs.

Make sure you create these environments in the /home/jovyan directory or they will get deleted.

Add New Environments:

python -m venv /path/to/new/virtual/environment

Activate Different Environment:
```
source environment/bin/activate
```
Install Packages:
```
pip install packageName
```
Uninstall Packages:
```
pip uninstall packageName
```
Show Packages In Environment:
```
pip list
```
Deactivate Current Environment:
```
deactivate
```
Delete Environment:
```
rm -rf environment
```

Conda Environments¶

Each environment has their own independent set of Python or Conda packages installed. Conda Environments Docs. Guide - using pip inside conda environment.

Make sure you create these environments in the /home/jovyan directory or they will get deleted.

You can check environment names and locations with:

bash
conda env list

Add New Environments:

conda create --prefix /home/jovyan/Conda2

Activate Different Environment:
```
conda activate /home/jovyan/Conda2
```

Install Packages:

conda install pip
pip install packageName

Uninstall Packages:
```
pip uninstall packageName
```
Show Packages In Environment:
```
conda list
pip list
```

Create Kernel From Environment:

pip install ipykernel
python -m ipykernel install --user --name=Conda2

Deactivate Current Environment:
```
conda deactivate
```

Delete Environment:

conda activate base
conda remove -p /home/jovyan/Conda2 --all
jupyter kernelspec remove conda2