Why Anaconda does not recognize conda command?

Question

I installed the latest version of Anaconda. Now I want to install OpenCV within it. When I type:

conda install -c https://conda.binstar.org/anaconda opencv
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Answer 1

Faced the same problem running on Windows 10 and using the Windows cmd.

Solved it by running the following command in the Anaconda Prompt which comes with Anaconda3 (as administrator):

conda install -c menpo opencv3=3.1.0

Command found on the official website: https://anaconda.org/menpo/opencv3

Answer 2

Same problem with Anaconda running on Ubuntu 15.10. I closed the terminal and opened a new window and it worked fine.

Answer 3

Try restarting the terminal, I had the same issue, worked after restarting the terminal.

Answer 4

If this problem persists, you may want to check all path values in the PATH variable (under Control Panel\System and Security\System\Advanced System Settings). It might be that some other path is invalid or contains an illegal character.

Today, I had the same problem and found a double quote in a different path value in the PATH variable. All paths after that (including a fresly installed conda) were not usable. Removing the double quote solved the problem.

Answer 5

In Windows 10, I went to the folder where Anaconda is stored. In my case it is in \Anaconda3 folder as a shortcut to open a command prompt window, called "Anaconda Prompt". Open that and execute the command there.

Answer 6

Got same issue and it turns out that besides setting PATH variable, I also should not close some cmd window poped up during installation. Re-installation would work