Cheatsheet for create new virtualenv, install packages, add kernels to jupyter notebook

conda_virtualenv_cheatsheet.txt

===================================
#create env
conda create --name myenvname

#delete a env
conda env remove --name myenv

===================================
#install package
conda install -n myenv scipy=0.15.0
conda install -n myenv pip
#if inside the env, can use pip install
pip install -r requirements.txt  #inside the env
pip install sklearn     #inside the env

#enter the env
source activate myenv

#exit the env
source deactivate

====================================
#add a new kernel (inside the env)
python -m ipykernel install --user --name myenv --display-name "Python (myenv)"

====================================
#uninstall conda
conda install anaconda-clean   #for complete uninstall
anaconda-clean --yes
rm -rf ~/anaconda2

#remove backup
cd .anaconda_backup   #in the root dir
rm -rf 2017-09-14T210109/