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Table of Contents

Install Anaconda

Note: It’s not good practice to share anaconda environments with other users. Make sure to make a backup of your startup file and that you launch a new terminal after the installation.  Example below is for bash.

Code Block
cp -p ~/.profile ~/.profile.orig

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You can find the latest version here:  https://www.anaconda.com/distribution/#download-section

Note that the graphical installer is the easiest to use although a command-line instruction is also available here https://docs.anaconda.com/free/anaconda/install/mac-os/

Make sure you allow Anaconda to modify your bash profile otherwise it will not work

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Code Block
conda --version


To update, make sure you are in your home directory

Code Block
cd ~; conda update -n base -c defaults conda


Getting multiple versions of python

List the versions of python you available.

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or

Code Block
conda env list


Switching between environments

To switch between environments, run the following

Code Block
#Assuming py27 is the environment name, run:
conda activate /Users/john/anaconda3/envs/py27

#To switch back to the original environment, run:
conda deactivate

Activating and Deactivating Anaconda 

Instead of uninstalling anaconda, you can activate and deactivate Anaconda when needed.

Permanently

The following command will stop Anaconda from launching the base environment upon launching terminal and when opening new terminal windows.  

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Reference: https://stackoverflow.com/questions/54429210/how-do-i-prevent-conda-from-activating-the-base-environment-by-default/54489016#54489016


Temporarily

The following commands will temporarily activate and deactivate Anaconda in a single terminal window. Opening a new terminal window will open in anaconda's base environment.
NOTE: The commands below only works on Conda 4.6 and newer. 

Activating Anaconda 

Code Block
conda activate

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Code Block
source deactivate


Deleting environments

https://iq.opengenus.org/delete-conda-environment/


Exporting and Importing Environments

Exporting environments 

Code Block
conda env export > environment.yml


Importing environments

Code Block
conda env create -f environment.yml

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reference https://docs.anaconda.com/anaconda/user-guide/tasks/switch-environment/


To

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uninstall Anaconda

https://docs.anaconda.com/anaconda/install/uninstall/