[Solved] ProxyError: Conda cannot proceed due to an error in your proxy configuration.

ProxyError: Conda cannot proceed due to an error in your proxy configuration.

0. Problem reporting error

conda install pytorch torchvision torchaudio cudatoolkit=11.3 -c pytorch

The following errors are reported when installing pytorch:

ProxyError: Conda cannot proceed due to an error in your proxy configuration.
Check for typos and other configuration errors in any '.netrc' file in your home directory,
any environment variables ending in '_PROXY', and any other system-wide proxy
configuration settings.

The problem lies in agency

1. Solutions

(1) View current terminal agent

env | grep -i "_PROXY"

(2) Delete agents in turn

unset HTTP_PROXY
unset https_proxy
unset http_proxy
unset no_proxy
unset NO_PROXY

3. Whether the verification is successful

Enter again

env | grep -i "_PROXY"

then enter the following:
env. grep -i "PROXY"

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