Basic use of Anaconda

One 、 Basic use

1.1 Create an environment

1.1.1 Basic creation

grammar ：

conda create -n  Environment name 

1.1.2 Create assignment Python Version environment

grammar ：

conda create -n  Environment name  python=3.7

Create an environment , Name the environment you want

1.2 View environment information

conda info --envs

(base) by conda Default environment information , The default is base Environmental Science 
yolo5 Self created conda Environmental Science , Is to perform 1.1 Results of command 

(base) The environment is conda Default settings , Of course, it can also be closed , Execute the following command to close

conda config --set auto_activate_base False
source ~/.bashrc

Recover and execute the following command

conda config --set auto_activate_base True
source ~/.bashrc

Example :

1.3 Activate the environment

conda activate  Environment name 

After activating the environment , Before the path base It will be converted to the name of the environment you want to activate , As shown in figure 2
Example ：

1.4 Install environment package

After entering the environment you created, you can install the packages you need . When you from github On clone The following projects include requirements.txt when , You can also directly install all packages in this file .

pip install package

 perhaps pip install package -i https://pypi.tuna.tsinghua.edu.cn/simple（ Tsinghua mirror ）
 perhaps pip install package -i  https://pypi.doubanio.com/simple/ （ Douban mirror image ）

 perhaps  pip install -r requirements.txt( install requirements.txt The package in the file )

package It refers to the bag you want to press 

1.5 Check the packages installed in the environment

pip list

This command displays the packages installed in your current environment

1.6 Exit the current environment

conda deactivate

This command is to exit the current environment , After execution, you can see that the environment name you created above has been removed

1.7 Delete the current environment

conda remove -n  Environment name  --all

1.8 see conda edition

conda --version

1.9 View download source

conda config --show-sources

1.10 Modify download source

#  Tsinghua download source 
conda config --add channels https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/free/
conda config --add channels https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main/

#  Image source of CUHK 
conda config --add channels https://mirrors.ustc.edu.cn/anaconda/pkgs/main/
conda config --add channels https://mirrors.ustc.edu.cn/anaconda/pkgs/free/
conda config --add channels https://mirrors.ustc.edu.cn/anaconda/cloud/conda-forge/
conda config --add channels https://mirrors.ustc.edu.cn/anaconda/cloud/msys2/
conda config --add channels https://mirrors.ustc.edu.cn/anaconda/cloud/bioconda/
conda config --add channels https://mirrors.ustc.edu.cn/anaconda/cloud/menpo/

#  Douban download source 
conda config --add channels http://pypi.douban.com/simple

#  After adding the download source , Set the channel address when searching 
conda config --set show_channel_urls yes

1.11 Delete download source

conda config --remove channels  Download source address to delete