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JupyterLab

Anaconda
Default conda environment

You can use the default conda environment in the JupyterLab portal app by selecting Anaconda/3-5.0.0.1 or Anaconda3/2020.07 and leaving the 'Optional Conda Environment to be activated' field blank.

The default environment for Anaconda/3-5.0.0.1 is jupyterlab-v1.2.3_R-3.6.1 which has the R console installed.

The default environment for Anaconda3/2020.07 is /sw/hprc/sw/Anaconda3/2020.07/envs/jupyterlab_v2.2.9_R-3.6.1 which has the R console installed.

Custom Anaconda/3-5.0.0.1 conda environment

You can create your own JupyterLab conda environment using Anaconda for use on the HPRC portal but you must use one of the Anaconda versions that are on the JupyterLab HPRC portal webpage.

Notice that you will need to make sure you have enough available file quota (~30,000) since conda creates thousands of files.

To to create an Anaconda conda environment called jupyterlab, do the following on the command line:

module purge
module load Anaconda/3-5.0.0.1
conda create -n jupyterlab

After your jupyterlab environment is created, you will see output on how to activate and use your jupyterlab environment

#
# To activate this environment, use:
# > source activate jupyterlab
#
# To deactivate an active environment, use:
# > source deactivate
#

Then you can install jupyterlab (specifying a version if needed) and add packages to your jupyterlab environment

source activate jupyterlab
conda install -c conda-forge jupyterlab
conda install -c conda-forge package-name

You can specify a specific package version with the install command. For example to install pandas version 1.1.3:

conda install -c conda-forge pandas=1.1.3

To remove downloads after packages are installed.

conda clean -t

When using Anaconda/3-5.0.0.1, use just the environment name in the 'Optional Environment to be activated' field which in this example will be jupyterlab

Custom Anaconda3/2020.07 conda environment

You can create your own JupyterLab conda environment using Anaconda for use on the HPRC portal but you must use one of the Anaconda versions that are on the JupyterLab HPRC portal webpage.

Notice that you will need to make sure you have enough available file quota (~30,000) since conda creates thousands of files.

When using Anaconda3/2020.07, you will need to move your ~/.conda directory to $SCRATCH and make a symbolic link since Anaconda3 may fill up your $HOME disk quota:

cd
mv .conda $SCRATCH
ln -s $SCRATCH/.conda

To to create an Anaconda conda environment called jupyterlab, do the following on the command line:

module purge
mkdir -p /scratch/user/your_netid/Anaconda3/2020.07/envs
module load Anaconda3/2020.07
conda create --prefix /scratch/user/your_netid/Anaconda3/2020.07/envs/jupyterlab

After your jupyterlab environment is created, you will see output on how to activate and use your jupyterlab environment. You can use 'source activate' instead of 'conda activate'

#
# To activate this environment, use:
# > conda activate /scratch/user/your_netid/Anaconda3/2020.07/envs/jupyterlab
#
# To deactivate an active environment, use:
# > conda deactivate
#

Then you can install jupyterlab (specifying a version if needed) and add packages to your jupyterlab environment

source activate /scratch/user/your_netid/Anaconda3/2020.07/envs/jupyterlab
conda install -c conda-forge jupyterlab
conda install -c conda-forge package-name

You can specify a specific package version with the install command. For example to install pandas version 1.1.3:

conda install -c conda-forge pandas=1.1.3

To remove downloads after packages are installed.

conda clean -t

When using Anaconda3/2020.07, you must use the full path to the environment in the 'Optional Environment to be activated' field. In this example it will be /scratch/user/your_netid/Anaconda3/2020.07/envs/jupyterlab

NOTE: When using Anaconda3/2020.07 to create a virtualenv, the installation will add lines to your ~/.bashrc file that you should delete since these lines which automatically load your virtualenv which will interfere with other jobs and modules.

Python
Default python virtualenv

You can use the default virtualenv in the JupyterLab portal app by selecting Python/3.8.6 and leaving the 'Optional Conda Environment to be activated' field blank.

The default virtualenv has Jupyterlmod installed which allows you to load compatible software modules to use in your notebook.

Type 'toolchains' on the Terra command line to see a table of compatible toolchains.

To load additional software modules, click the 'Softwares' icon in the left most part of your JupyterLab notebook. Search for modules with a compatible toolchain (such as TensorFlow/2.2.0-foss-2019b-Python-3.7.4) and click 'Load' once and wait for the LOADED MODULES section to refresh.

If you have already started your notebook before loading modules, you will need to restart the kernel in order for the loaded module to be available by clicking Kernel -> Restart Kernel... in the top JupyterLab menu or click the 'Restart the kernel' icon at the top of the notebook.

If you get 'Server Connection Error' messages after restarting the kernel, stop all other notebooks you have running by clicking the 'Running Terminals and Kernels' button in the left panel menu and then 'SHUT DOWN' all other running KERNEL SESSIONS.

Custom python virtualenv

You can create your own virtualenv to use with the JupyterLab portal app but in most cases the default virtualenv should work for you.

You must create your virtualenv using one of the Python modules listed on the JupyterLab HPRC portal webpage.

Here is an example of creating your own virtualenv on a login node.

module load Python/3.8.6
mkdir -p /scratch/user/your_netid/pip_envs/Python/3.8.6
cd /scratch/user/your_netid/pip_envs/Python/3.8.6
virtualenv jupyterlab
source /scratch/user/your_netid/pip_envs/Python/3.8.6/jupyterlab/bin/activate
pip install juypter
pip install jupyterlab
pip install additional_packages

Then in the JupyterLab portal app, select the Python/3.8.6 Module and enter the full path of the activate command found in your virtualenv into the 'Optional Conda Environment to be activated' field.

Example of what to enter in the 'Optional Conda Environment to be activated' field:

/scratch/user/your_netid/pip_envs/Python/3.8.6/jupyterlab/bin/activate
Web Access

Although compute nodes do not have access to the internet, the JupyterLab app uses a proxy server by default which allows your JupyterLab session to have access to the internet.

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