Anaconda

Conda is an open-source package and environment management system.

It is a very handy tool when you need to manage python packages.

Download

https://www.anaconda.com/products/distribution

For example, download the latest linux version:

wget https://repo.anaconda.com/archive/Anaconda3-2021.11-Linux-x86_64.sh

Install

# give it permission to execute
chmod +x Anaconda3-2021.11-Linux-x86_64.sh 

# install
bash ./Anaconda3-2021.11-Linux-x86_64.sh

Follow the instructions on : https://docs.anaconda.com/anaconda/install/linux/

If everything goes well, then you can see the (base) before the prompt, which indicate the base environment:

(base) [heyunye@gc019 ~]$

For how to use conda, please check : https://docs.conda.io/projects/conda/en/latest/user-guide/getting-started.html

Examples:

# install a specific version of python package
conda install pandas==1.5.2

#create a new python 3.9 virtual environment with the name "mypython39"
conda create -n mypython39 python=3.9

#use environment.yml to create a virtual environment
conda env create --file environment.yml

# activate a virtual environment called ldsc
conda activate ldsc

# change back to base environment
conda deactivate

# list all packages in your current environment 
conda list

# list all your current environments 
conda env list