Conda

Manage Environments

• create environment: conda create --name <new_env_name>

• create environment with python 3.9: conda create --name <new_env_name> python=3.9

• activate environment: conda activate <env_name>

• deactivate (leave) environment: conda deactivate

• list available environments: conda info --envs

• remove environment: conda remove --name <env_name> --all

Updates

• update conda: conda update -n base -c defaults conda

• update all conda packages in current environment: conda update --all

• also see: https://docs.conda.io/projects/conda/en/latest/commands/update.html

Other Commands

• remove unused cached packages: conda clean -a - also see: https://docs.conda.io/projects/conda/en/latest/commands/clean.html

• disable automatic base activation: conda config --set auto_activate_base false - also see: https://stackoverflow.com/a/54560785/271118

Rename Conda Environment

Rename <src_env> to <target_env>:

conda create --name <target_env> --clone <src_env>
conda remove --name <src_env> --all

Installation

Conda installation on Linux

• download Conda (Python 3.x, Linux, 64-bit): https://conda.io/miniconda.html

• make install file executable: chmod +x Miniconda3-latest-Linux-x86_64.sh

• start installation: ./Miniconda3-latest-Linux-x86_64.sh

• use default settings

• log out and back in to activate new settings

Windows Install

• download Miniconda (not Anaconda): https://conda.io/en/latest/miniconda.html

• download Python 3.x with 64-bit and not 2.x or 32-bit version

• proxy setup

  • add the following content to the .condarc file

  • located at C:\Users\<User>

  • user and pass are optional

  • some https settings use the http protocol and not https

proxy_servers:
  http: http://user:pass@corp.com:8080
  https: https://user:pass@corp.com:8080