Registering New Python or R Kernels in Jupyter

When testing, it’s often necessary to create a new conda environment and then install the jupyter kernel within that environment for use with notebooks. Re-registering new kernels each time can be cumbersome, so here is a record of the process…

Preparing and Registering Python Kernel

• Activate the environment you want to register the kernel in.

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conda activate YOUR_ENV
conda install jupyter ipykernel
python -m ipykernel install --user --name ENV_NAME

Preparing and Registering R Kernel

• Activate the environment you want to register the kernel in.

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conda activate YOUR_ENV
conda install jupyter r-irkernel

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IRkernel::installspec(name = 'REG_NAME', displayname = 'ENV_NAME')