报错 CondaHTTPError: HTTP 000 CONNECTION FAILED for url

conda 新建环境报错如下：

$ conda create --name tensorflow_gpu_1_15 python=3.7
Solving environment: failed

CondaHTTPError: HTTP 000 CONNECTION FAILED for url <https://repo.continuum.io/pkgs/pro/linux-64/repodata.json.bz2&gt; 
Elapsed: -

An HTTP error occurred when trying to retrieve this URL.
HTTP errors are often intermittent, and a simple retry will get you on your way.
SSLError(MaxRetryError('HTTPSConnectionPool(host=\'repo.anaconda.com\', port=443): Max retries exceeded with url: /pkgs/pro/linux-64/repodata.json.bz2 (Caused by SSLError(SSLError("bad handshake: Error([(\'SSL routines\', \'ssl3_get_server_certificate\', \'certificate verify failed\')],)",),))',),)

解决办法

将
./home/xxxx/.condarc

内容从

channels:
  - https://repo.anaconda.com/pkgs/main
  - defaults

改成

ssl_verify: true
show_channel_urls: true

channels:
  - https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main