conda 清除 tarballs 减少磁盘占用 、 conda rename 重命名环境、conda create -n qwen --clone 当前环境

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conda clean --tarballs

长期使用 conda 创建 N+ 环境之后，如果一段时间不再新增新的环境、刚好电脑磁盘空间不太够用了；那么 conda clean --tarballs 就可以 移除缓存中不再使用的库安装包

• https://docs.conda.io/projects/conda/en/latest/commands/clean.html

conda clean --tarballs


Will remove 641 (3.71 GB) tarball(s).
Proceed ([y]/n)? y

conda rename 重命名环境

• https://docs.conda.io/projects/conda/en/latest/commands/rename.html

conda rename 使用条件如下

• Rename an existing environment.（只能重命名已存在环境）
• This command renames a conda environment via its name (-n/–name) or
  its prefix (-p/–prefix).
• The base environment and the currently-active environment cannot be
  renamed.（只能重命名当前未激活的环境）

命令示例如下

conda rename -n test123 test321

conda rename --name test123 test321

conda rename -p path/to/test123 test321

conda rename --prefix path/to/test123 test321

conda create -n qwen --clone 某个环境

Examples:

# Create an environment containing the package 'sqlite':

conda create -n myenv sqlite

# Create an environment (env2) as a clone of an existing environment (env1):

conda create -n env2 --clone path/to/file/env1

• 命令成功执行的命令(这个环境 8G ，因此复制环境时间较久)

conda create -n qwen --clone /home/moli/anaconda3/envs/Yolov8

运行输出如下

conda create -n qwen --clone /home/mo/anaconda3/envs/Yolov8

Retrieving notices: ...working... done
Source:      /home/mo/anaconda3/envs/Yolov8
Destination: /home/moli/mo/condaEnvs/envs/qwen
Packages: 23
Files: 67114


Downloading and Extracting Packages:
                                                                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                                                                 
Downloading and Extracting Packages:                                                                                                                                                                                                                                                             
                                                                                                                                                                                                                                                                                                 
Preparing transaction: done                                                                                                                                                                                                                                                                      
Verifying transaction: done                                                                                                                                                                                                                                                                      
Executing transaction: done                                                                                                                                                                                                                                                                      
#                                                                                                                                                                                                                                                                                                
# To activate this environment, use                                                                                                                                                                                                                                                              
#                                                                                                                                                                                                                                                                                                
#     $ conda activate qwen                                                                                                                                                                                                                                                                      
#                                                                                                                                                                                                                                                                                                
# To deactivate an active environment, use                                                                                                                                                                                                                                                       
#                                                                                                                                                                                                                                                                                                
#     $ conda deactivate                  

conda remove 删除环境

• https://docs.conda.io/projects/conda/en/latest/commands/remove.html

Examples:

• Remove the package ‘scipy’ from the currently-active environment:

conda remove scipy

• Remove a list of packages from an environment ‘myenv’:

conda remove -n myenv scipy curl wheel

• Remove all packages from environment myenv and the environment
  itself:

conda remove -n myenv --all

• Remove all packages from the environment myenv but retain the
  environment:

conda remove -n myenv --all --keep-env

建立 huggingface 模型下载路径的 软链接

• 把下载的模型放在 挂载磁盘上，避免占用 系统分区磁盘空间

# 创建软链接示例
ln -sf /home/moli/other_disk/huggingface /home/moli/.cache/huggingface        

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