How to install and configure Anaconda on CentOS 7

Anaconda is the most popular machine learning and data science tool used in large scale data processing, predictive analytics, and scientific computing.

The Anaconda distribution comes with over 1,000 data packages, an Anaconda command line tool, and a desktop GUI called Anaconda Navigator.

This tutorial will guide you through the steps to download and install Anaconda Python Distribution on CentOS 7.

Anaconda install

At the time of writing this article, the latest stable release of Anaconda is version 5.3.1. Before downloading the Anaconda installer script, visit the Anaconda downloads page and check if a new version of Anaconda for Python 3 is available for download.

Follow the steps below to install Anaconda on CentOS 7:

1. Download the Anaconda installer. Change to directory tmp And download the Anaconda installer with the command wget or curl:

   cd /tmp
   curl -O https://repo.anaconda.com/archive/Anaconda3-5.3.1-Linux-x86_64.sh
   

   The download process may take some time depending on your connection speed.

2. Check the integrity of the script data. Use commands sha256sum To check the checksum text:

   sha256sum Anaconda3-5.3.1-Linux-x86_64.sh

   You will see output like the following:

   d4c4256a8f46173b675dd6a62d12f566ed3487f932bab6bb7058f06c124bcc27  Anaconda3-5.3.1-Linux-x86_64.sh09f53738b0cd3bb96f5b1bac488e5528df9906be2480fe61df40e0e0d19e3d48  Anaconda3-5.2.0-Linux-x86_64.sh

   Make sure that the hash printed from the above command matches the one in the Anaconda hash on Linux 64-bit page.

   https://docs.anaconda.com/anaconda/install/hashes/Anaconda3-5.2.0-Linux-x86_64.sh-hash.html

   

3. Run the Anaconda installer To start the Anaconda installation process, run the installation script:

   bash Anaconda3-5.3.1-Linux-x86_64.sh

   You will see output like the following:

   Welcome to Anaconda3 5.3.1
   
   In order to continue the installation process, please review the license
   agreement.
   Please, press ENTER to continue

   He presses ENTER To continue, press ENTER to browse licenses. Upon completion of the license review, you will be asked to agree to the terms of the license:

   Do you approve the license terms? [yes|no]

   Writes yes to accept the license and you will be asked to select the installation location.

   Anaconda3 will now be installed into this location:
   /homeWAYSQUARE/anaconda3
   
       - Press ENTER to confirm the location
       - Press CTRL-C to abort the installation
       - Or specify a different location below

   The default location is suitable for most users, press ENTER to confirm the location and the installation will continue.

   The installation may take some time and once completed, the following output will appear

   Installation finished.
   Do you wish the installer to prepend the Anaconda3 install location
   to PATH in your /homeWAYSQUARE/.bashrc ? [yes|no]

   If you want to use command type conda Writes yes and press ENTER You will see the following output:

   Appending source /homeWAYSQUARE/anaconda3/bin/activate to /homeWAYSQUARE/.bashrc
   A backup will be made to: /homeWAYSQUARE/.bashrc-anaconda3.bak
   
   For this change to become active, you have to open a new terminal.
   
   Thank you for installing Anaconda3!

   The installer will also ask you if you want to download and install Visual Studio Code.

   Anaconda is partnered with Microsoft! Microsoft VSCode is a streamlined
   code editor with support for development operations like debugging, task
   running and version control.
   
   To install Visual Studio Code, you will need:
       - Administrator Privileges
       - Internet connectivity
   
   Visual Studio Code License: https://code.visualstudio.com/license
   
   Do you wish to proceed with the installation of Microsoft VSCode? [yes|no]

   You can find more information about Visual Studio on the editor’s website. If you want to install Visual Studio Code. Writes yes or no.

   To activate the Anaconda installation, download the PATH The new environment variable added by the Anaconda installer to the current shell session with the following command:

   source ~/.bashrc

4. Verify installation You can verify that Anaconda is installed using the command conda. For example to display information about the current conda installation type:

   conda info</code

    
       active environment : base
       active env location : /homeWAYSQUARE/anaconda3
               shell level : 1
       user config file : /homeWAYSQUARE/.condarc
   populated config files : 
           conda version : 4.5.11
       conda-build version : 3.15.1
           python version : 3.7.0.final.0
       base environment : /homeWAYSQUARE/anaconda3  (writable)
           channel URLs : https://repo.anaconda.com/pkgs/main/linux-64
                           https://repo.anaconda.com/pkgs/main/noarch
                           https://repo.anaconda.com/pkgs/free/linux-64
                           https://repo.anaconda.com/pkgs/free/noarch
                           https://repo.anaconda.com/pkgs/r/linux-64
                           https://repo.anaconda.com/pkgs/r/noarch
                           https://repo.anaconda.com/pkgs/pro/linux-64
                           https://repo.anaconda.com/pkgs/pro/noarch
           package cache : /homeWAYSQUARE/anaconda3/pkgs
                           /homeWAYSQUARE/.conda/pkgs
       envs directories : /homeWAYSQUARE/anaconda3/envs
                           /homeWAYSQUARE/.conda/envs
               platform : linux-64
               user-agent : conda/4.5.11 requests/2.19.1 CPython/3.7.0 Linux/3.10.0-957.1.3.el7.x86_64 centos/7 glibc/2.17
                   UID:GID : 0:0
               netrc file : None
           offline mode : False

Anaconda update

To update Anaconda is a fairly easy process, update the conda tool by:

conda update conda

When asked to confirm the update, type y to complete.

After updating conda, proceed with Anaconda update process:

conda update anaconda

Just like with the previous command, type when prompted y to complete.

You should update your Anaconda installation regularly.

How to uninstall Anaconda

If you want to remove Anaconda from your CentOS system, follow these steps:

1. Delete the Anaconda installation directory. To remove the entire Anaconda installation directory, use the following command:

   rm -rf ~/anaconda3

2. Edit the PATH environment variable by editing the file ~/.bashrc And remove the Anaconda directory from the path of the environment variable:

   sudo nano ~/.bashrc

   # added by Anaconda3 5.3.1 installer
   # >>> conda init >>>
   # !! Contents within this block are managed by 'conda init' !!
   __conda_setup="$(CONDA_REPORT_ERRORS=false '/homeWAYSQUARE/anaconda3/bin/conda' shell.bash hook 2> /dev/null)"
   if [ $? -eq 0 ]; then
       \eval "$__conda_setup"
   else
       if [ -f "/homeWAYSQUARE/anaconda3/etc/profile.d/conda.sh" ]; then
           . "/homeWAYSQUARE/anaconda3/etc/profile.d/conda.sh"
           CONDA_CHANGEPS1=false conda activate base
       else
           \export PATH="/homeWAYSQUARE/anaconda3/bin:$PATH"
       fi
   fi
   unset __conda_setup
   # <<< conda init <<<

3. Delete hidden files. The following command will delete hidden files and folders created in the user’s home directory:

   rm -rf ~/.condarc ~/.conda ~/.continuum

conclusion

Now that you have downloaded and installed Anaconda for CentOS, you can check out the official Conda guide.