4.2.1 Adding additional kernels to Jupyter Hub

for a Python2.7 kernel with PyNGL and PyNio support

scp byrd:/home2/nhn2/python2.7_environment.yml .
conda env create -f python2.7_environment.yml
source activate python2.7
python -m ipykernel install --user --name python2.7 --display-name "Python2 PyNGL"
source deactivate python2.7

Re-start your jupyter lab

killall jupyter-lab
source activate pangeo
jupyter lab &
disown