Reset conda root directory?

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I recently switched mac computers. My old computer had conda and all the relevant libraries and environments installed. I transferred all the files from the old computer to my new one. However, my new computer has a different username (home directory name) than the old one, so whenever I run conda commands, I get errors like the following:

__conda_exe:2: no such file or directory: /Users/[old_username]/anaconda/bin/conda

I can circumvent this initial error by manually setting $PATH each time, but then I still get errors like this:

__add_sys_prefix_to_path:6: command not found: dirname
__add_sys_prefix_to_path:7: command not found: dirname
__conda_exe:2: no such file or directory: /Users/[old_username]/anaconda/bin/conda

Is there a way to change this so the commands point to my new home directory?

anaconda conda python
1 Answers

I believe you need to use CPR (conda-prefix-replacement) for this.

However, I'd instead recommend not manually transferring the files, since this usually fails to retain hardlinks. Instead, dump each of your environments to YAML

conda env export -n envname > env.yaml

and recreate them on the new system (after a minimal base install, like Miniconda)

conda env create -n envname -f env.yaml

I would not recommend transferring the old base, but if you must, put it in a new location:

# old system
conda env export -n base > old_base.yaml

# new system
conda env create -n old_base -f old_base.yaml
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