Getting started with Conda

Conda is an open source cross-platform package and environment manager from Anaconda.

Package manager

If you’re familiar with MacOSX then you’ve probably already used package managers like Homebrew or MacPorts that allow you to either download binaries or build code from source to easily install software. Conda is similar in that it also allows you to install packages using conda install [pakage_name]. What’s really nice about Conda is that it’s also open source, language agnostic and cross-platform.

With Conda you can install packages from using the given package URL or using conda install. If the package isn’t available from Conda then just use pip install. Pip is the standard python tool for installing packages but unlike Conda it cannot manage environments or update Python.

To check what packages are installed use conda list.

Environment manager

Conda is also useful for creating and managing environments. Virtual environments are useful for preventing problems arising from dependency, version and sometimes permission conflicts. One example is Virtualenv which allows you to create isolated python environments. Like Virtualenv, Conda is also an environment manager. Creating a new environment is as easy as typing conda create --name  [name_of_environment] [dependencies] [packages]. To enter the environment you need to source it using source activate [name_of_environment] and to exit the environment simply type source deactivate.

To check all the environments available, run conda info --envs.

Quick guide to getting started

This 30 minute tutorial is helpful for getting started with Conda. There’s no need to memorise all the commands thanks to this handy conda cheat sheet.


Anaconda navigator interface

There is also a graphical user interface (see above) which can be launched using the anaconda-navigator command. You can view all the applications that form part of a particular environment (“Applications on” dropdown menu) and even launch or install applications. There is documentation listed under Learning and links to appropriate communities to join.



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