Conda Guide

Wed, 07 Jan 2026 09:18:13 +0800

Overview

This guide covers installing Conda on Ubuntu 22.04, migrating the Conda path to a data disk, configuring mirror sources (for regions with internet restrictions), and methods for packing environments for offline deployment.

Installation Package

Use wget or click to download the Installation Package directly.

Add Conda to PATH for Persistence

# Locate the conda command
which conda

# Check the conda root installation directory
conda info --base

# Open ~/.bashrc and add the following line at the bottom
export PATH="/home/ubuntu/miniconda3/bin:$PATH"

# Apply changes
source ~/.bashrc
conda init

# Restart your terminal session

Configure Storage Paths for Environments and Packages

# Open ~/.condarc and add the following lines:

envs_dirs:
  - /your/path/to/conda/envs
pkgs_dirs:
  - /your/path/to/conda/pkgs

Configure Conda Mirror Sources (China)

# Using Aliyun mirrors as an example
conda config --add channels https://mirrors.aliyun.com/anaconda/pkgs/main/
conda config --add channels https://mirrors.aliyun.com/anaconda/pkgs/free/
conda config --add channels https://mirrors.aliyun.com/anaconda/cloud/conda-forge/
conda config --add channels https://mirrors.aliyun.com/anaconda/cloud/bioconda/

# Verify the configuration
conda config --show channels

Create Conda Environments

# Create an environment (at a specific path or using the default path)
conda create --prefix /your/path/to/conda/envs/my_env python=3.12
conda create -n my_env python=3.12

# Activate the new environment
conda activate my_env

List Existing Environments

conda info --envs

Examples: Using pip/uv within Conda

# Using pip
pip install tqdm -i https://mirrors.aliyun.com/pypi/simple/

# Using uv for faster installation
uv pip install tqdm -i https://mirrors.aliyun.com/pypi/simple/

Pack Conda Environments

# Pack an existing conda environment:
# (Note: Requires conda-pack to be installed)
conda pack -n my_env

# Transfer the archive to the target server and extract it
tar -xvzf my_env.tar.gz -C /your/conda/envs/my_env

Dockerizing Local Conda Environments

Example Dockerfile:

Conda on 🌲Treetopia🌲