Annoconda installation and use and addition of mirror sources to improve software download speed

1 annoconda download

File address list, select the version to download https://repo.anaconda.com/archive/         win10 version:     Anaconda3-2023.03-1-Windows-x86_64

        Linux version:      Anaconda3-2023.03-1-Linux-x86_64

      Execute exe under win10 to install according to the wizard, under linux ./Anaconda3-2023.03-1-Linux-x86_64.sh

2 conda common command configuration

 (1) Display the current mirror source

conda config --show-sources

(2) Display search address when setting search

conda config --set show_channel_urls yes

(3) Create a conda environment

 conda create -n env_name python==3.9

(4) Activate the conda environment

 conda activate env_name

(5) Delete the specified conda environment

 conda remove -n env_name -all

3 Add a new mirror source to speed up software download

(1) Install pip under conda

conda install pip

(2) Add Tsinghua mirror source:

conda config --add channels https://pypi.tuna.tsinghua.edu.cn/simple

  You can also add several other mirror sources:

#豆瓣源
conda config --add channels http://pypi.douban.com/simple/ 

# 阿里源
conda config --add channels https://mirrors.aliyun.com/pypi/simple/

#中科大源
conda config --add channels https://pypi.mirrors.ustc.edu.cn/simple/

 (3) Designate specific software to download from a specific mirror source

pip install numpy -i https://mirrors.aliyun.com/pypi/simple/

 (4) Delete the specified mirror source

conda config --remove channels https://pypi.mirrors.ustc.edu.cn/simple/

 4 Solve the problem of "UnavailableInvalidChannel: HTTP 404 NOT FOUND for channel"

conda config --remove-key channels

After the execution is complete, continue to execute the conda command, and it can be successfully executed