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I have just installed the Anaconda (for ipython notebook -- wanted to run some pandas programme). It is installed successfully but the problem here is whenever I type which python, it is always using a default python as /usr/bin/python

It will be great if someone can tell me how to setup the anaconda python as a default python. I am noob here till now I have just installed the anaconda in the default path as following ~/anaconda3.

Thanks in advance.

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9

I have the same setup as you desire. In my case the anaconda installer added an entry in my ~/.bashrc file. I don't know why yours did not. So to get to do what you want, add this to your ~/.bashrc file:

export PATH="/home/yash/anaconda3/bin:$PATH"

You need to refresh your env variables after this by opening a new terminal or using source ~/.bashrc

With this:

$ which python
/home/yash/anaconda3/bin/python

And python -v returns: anaconda

To get back to the former default, I comment out the entry setting the pathbin the .bashrc file and get these results:

$ which python
/usr/bin/python
$ python -v
python 2.7.*
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  • 2
    That's fine, ofc. But I'd suggest using environments, that way you can create as many python envs as you want and switch between them using source activate/deactivate: conda.io/docs/using/envs.html – Samuel Santana Feb 24 '17 at 21:17
  • I have the above added to ~/.bashrc however which python does not return the anaconda3 version..... do I need to reboot for it to take effect? Just installed anaconda. – user391339 Feb 23 '18 at 19:37
  • # added by Anaconda3 installer export PATH="/home/d/anaconda3/bin:$PATH" – user391339 Feb 23 '18 at 19:38
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    Ah, I got it. You need to refresh the environment variables either by re-opening a new terminal or typing source ~/.bashrc – user391339 Feb 23 '18 at 19:40
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Instead of adding the entry in ~/.bashrc add the entry in ~/.profile or ~/.bash_profile as it is a path and not an alias. Also, adding the path in bashrc may slower the terminal unnecessarily. To know the detailed meaning of ~/.bashrc and it's difference with the profile visit this link.

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0

After you installed Anaconda, just run 

source ~/.bashrc

If you open the .bashrc file you can see it added Anaconda python to environment variable.

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