Activation
Conda env activation
source ~/anaconda3/etc/profile.d/conda.sh
conda activate my_env conda activate opennbdb_dev_env
When this error occurs:
CommandNotFoundError: Your shell has not been properly configured to use 'conda activate'. To initialize your shell, run
source ~/anaconda3/etc/profile.d/conda.sh
ipykernel problems
pip install --upgrade pyzmq jupyterlab jupyter --force-reinstall
https://github.com/jupyter/notebook/issues/3435#issuecomment-566146547