Hi, i am new to jupyterhub and i am trying to setup 1. add multiple python kernel(2.7.x,3.6.x,3.7.x) to jupyterhub 2. setup user specific kernel - means i have 3 kernels PY3, Pyspark and R. how can i assign this 3 PY3, Pyspark and R kernels to User1, User2 and User3 respectively on Jupyterhub. my default python version is 3.6.8 which is installed from python sourcefile, and i am able to run jupyterhub with python3. Python path: /share/apps/platform/ai/py36/3_6_8/bin/python3 But now i am trying to add Python 2.7.16 Python path: /share/apps/platform/ai/py27/2_7_16/bin/python *# jupyter-kernelspec listAvailable kernels:ir /root/.local/share/jupyter/kernels/irpyspark /share/apps/platform/ai/py36/3_6_9/share/jupyter/kernels/pysparkpython3 /share/apps/platform/ai/py36/3_6_9/share/jupyter/kernels/python3* Please guide me to add multiple python kernels and also how to setup user specific kernels in Jupyterhub. -- *Regards* *Zain*