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Développement

Conda Cheat Sheet

Searchable reference for 90+ conda commands — environments, packages, channels, export, mamba, Jupyter kernels, and advanced tips with one-click copy

Plébiscité par plus de 10k développeurs

Setup & Config10Environment Management11Package Installation7Package Management10Export & Sharing7Channels7Info & Diagnostics7Cleanup & Maintenance6Virtual Environments with pip6Conda vs Mamba6Jupyter & Kernels6Advanced & Power Tips10

conda --version

Check conda version

conda update conda

Update conda to latest version

conda update anaconda

Update all packages in Anaconda distribution

conda config --show

Show all conda configuration

conda config --set auto_activate_base false

Disable auto-activation of base environment

conda config --add channels conda-forge

Add conda-forge channel

conda config --show channels

Show configured channels

conda config --set channel_priority strict

Set strict channel priority

conda init bash

Initialize conda for bash shell

conda init powershell

Initialize conda for PowerShell

conda create -n myenv

Create a new empty environment

conda create -n myenv python=3.11

Create environment with specific Python version

conda create -n myenv python=3.11 numpy pandas

Create environment with multiple packages

conda create --clone myenv -n myenv_copy

Clone an existing environment

conda activate myenv

Activate an environment

conda deactivate

Deactivate current environment

conda env list

List all environments

conda info --envs

List all environments (alternative)

conda remove -n myenv --all

Delete an environment completely

conda rename -n old_name new_name

Rename an environment (conda ≥23.9)

conda create -p /path/to/env python=3.11

Create environment at a specific path

conda install numpy

Install a package in active environment

conda install numpy=1.24.0

Install a specific version

conda install -n myenv numpy

Install package into a specific environment

conda install -c conda-forge package

Install from conda-forge channel

conda install --file requirements.txt

Install packages from a requirements file

pip install package

Install a pip package inside conda env

Use when package is not on conda

conda install anaconda::numpy

Install from a specific channel (new syntax)

conda list

List all packages in active environment

conda list -n myenv

List packages in a specific environment

conda list --export > packages.txt

Export package list to a file

conda update numpy

Update a specific package

conda update --all

Update all packages in the environment

conda remove numpy

Remove a package

conda remove -n myenv numpy

Remove a package from a specific environment

conda search numpy

Search for a package

conda search -c conda-forge numpy

Search in conda-forge channel

conda search numpy --info

Show detailed info about a package

conda env export > environment.yml

Export environment to YAML (exact)

conda env export --from-history > env.yml

Export only explicitly installed packages

conda env create -f environment.yml

Create environment from YAML file

conda env update -f environment.yml --prune

Update environment from YAML and remove extras

conda list --export > spec-file.txt

Export spec list (conda only)

conda create -n newenv --file spec-file.txt

Create environment from spec file

conda pack -n myenv -o myenv.tar.gz

Pack environment for offline transfer

Requires conda-pack

conda config --add channels conda-forge

Add conda-forge as a channel

conda config --remove channels defaults

Remove a channel

conda config --show channels

Show current channel list

conda config --set channel_priority strict

Set strict channel priority

conda config --set channel_priority flexible

Set flexible channel priority

conda install -c pytorch pytorch

Install from PyTorch channel

conda install -c nvidia cuda-toolkit

Install from NVIDIA channel

conda info

Show conda system information

conda info --envs

Show environment locations

conda info numpy

Show info about an installed package

conda doctor

Check for environment issues (conda ≥23.3)

conda list --revisions

Show history of changes in environment

conda install --revision 2

Roll back to a specific revision

conda config --describe

Describe all available config options

conda clean --all

Remove all cached packages and tarballs

conda clean --packages

Remove unused cached packages

conda clean --tarballs

Remove cached package tarballs

conda clean --index-cache

Remove cached channel index

conda clean --locks

Remove lock files

conda remove -n myenv --all

Completely remove an environment

conda install pip

Ensure pip is installed in conda env

pip install package

Install a pip-only package

pip list

List pip-installed packages

pip freeze > requirements.txt

Export pip packages to requirements.txt

pip install -r requirements.txt

Install from pip requirements file

conda list | grep pypi

Show packages installed via pip

pypi channel indicates pip-installed

conda install -c conda-forge mamba

Install mamba (faster conda)

mamba create -n myenv python=3.11

Create environment with mamba

mamba install numpy pandas

Install packages with mamba (faster)

mamba update --all

Update all packages with mamba

mamba env export > environment.yml

Export environment with mamba

mamba clean --all

Clean cache with mamba

conda install jupyterlab

Install JupyterLab

conda install ipykernel

Install IPython kernel

python -m ipykernel install --user --name myenv

jupyter kernelspec list

List all Jupyter kernels

jupyter kernelspec uninstall myenv

Remove a Jupyter kernel

jupyter lab

Launch JupyterLab

conda create -n myenv --offline

Create environment using only cached packages

conda install --freeze-installed numpy

Install without changing existing packages

conda config --env --add channels conda-forge

Add channel for current env only

CONDA_SUBDIR=osx-arm64 conda create -n arm_env

Create environment for a specific platform

conda run -n myenv python script.py

Run a command in an env without activating

conda compare environment.yml

Compare env with a YAML file (conda ≥23.1)

conda env config vars set MY_VAR=value

Set environment variable in conda env

conda env config vars list

List env variables set in conda env

conda build recipe/

Build a conda package from a recipe

Requires conda-build

conda convert --platform all pkg.tar.bz2

Convert package to all platforms

Requires conda-build

93 conda commands · hover any command to copy

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