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I am struggling to activate conda environments I have created on mac os x. Here are the environment that I have created.
$: conda env list
# conda environments:
#
py34 /Students/rt12083/anaconda3/envs/py34
py35 /Students/rt12083/anaconda3/envs/py35
root * /Students/rt12083/anaconda3
When I try to activate them I get the following error:
$: source activate py34
activate: No such file or directory.
When i run the command which activate I get the following:
which activate
/Students/rt12083/anaconda3/bin/activate
my path variable is:
garnet: echo $PATH
/sw/bin:/sw/sbin:.:/usr/bin:/bin:/usr/sbin:/sbin:/usr/X11R6/bin:/usr/local/bin:/ Developer/Tools:/usr/local/GMT4.5.7/bin:/usr/local/TauP/bin:/usr/local/SU/bin:/usr/local/sac/bin:/usr/local/sac/iaspei:/usr/local/sac/macros:/Students/rt12083/anaconda3/bin
What do I need to do to activate the environments?
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You can always use conda activate or conda deactivate to switch between your environments. You can directly activate the environment you wish to use by using conda activate . conda deactivate will deactivate your current active environment and change to the default environment which is the base environment.
Question 1: do i have to activate the conda env every time i open command prompt? No, you do not have to activate conda every time you open CMD. This is simply a matter of choice for the developer.
With conda, you can create, export, list, remove, and update environments that have different versions of Python and/or packages installed in them. Switching or moving between environments is called activating the environment. You can also share an environment file.
Generally, you won't find too much of a difference between conda activate and the old source activate , except that it's meant to be faster, and work the same across different operating systems (the latter difference makes conda activate a huge improvement IMO).
Your path seems to be missing the root anaconda directory. when i echo $Path (where username is replacing my actual username) i have the following:
/Users/username/anaconda/bin:/Users/username/anaconda/bin:/Users/username/anaconda/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin
in my bash_profile (or zshrc file etc...) I added:
export PATH="/Users/username/anaconda/bin:$PATH"
I use iterm2 with zsh, although this probably applies to more general cases.
On OSX Sierra with Anaconda3 4.4.0 the path is now:
export PATH="/anaconda/bin:$PATH"
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