Conda无法创建环境或安装包问题求助

系统环境 #

• 操作系统：Ubuntu 23.04
• Conda版本：23.7.2

异常场景1：创建空环境无进展 #

执行命令：

conda create -n env3 -vv

执行后输出大量调试日志，但环境创建无实质性进展，关键日志片段如下：

DEBUG conda.gateways.logging:set_verbosity(218): verbosity set to 2
DEBUG conda.core.solve:solve_final_state(297): solving prefix /home/nayelilv/anaconda3/envs/env3
  specs_to_remove: frozenset()
  specs_to_add: frozenset()
  prune: Null
Collecting package metadata (repodata.json): ...working... DEBUG conda.resolve:__init__(132): restricting to unmanageable packages: __archspec
DEBUG conda.resolve:__init__(132): restricting to unmanageable packages: __osx
DEBUG conda.resolve:__init__(132): restricting to unmanageable packages: __unix
done
Solving environment: ...working... DEBUG conda.resolve:get_reduced_index(673): Retrieving packages for: 
DEBUG conda.core.solve:_add_specs(823): specs_map with targets: {'__archspec': MatchSpec("__archspec"), '__osx': MatchSpec("__osx"), '__unix': MatchSpec("__unix")}
DEBUG conda.resolve:get_reduced_index(673): Retrieving packages for: 
  - __archspec
  - __osx
  - __unix
...
INFO conda.core.link:__init__(210): initializing UnlinkLinkTransaction with
  target_prefix: /home/nayelilv/anaconda3/envs/env3
  unlink_precs:
    
  link_precs:
    

DEBUG conda.core.package_cache_data:__init__(717): instantiating ProgressiveFetchExtract with

异常场景2：安装mamba失败 #

执行命令：

conda install -c conda-forge mamba

执行后卡在依赖求解阶段，最终提示冲突失败，日志内容如下：

Collecting package metadata (repodata.json): ...working... DEBUG:urllib3.connectionpool:Starting new HTTPS connection (1): repo.anaconda.com:443
DEBUG:urllib3.connectionpool:Starting new HTTPS connection (1): repo.anaconda.com:443
DEBUG:urllib3.connectionpool:Starting new HTTPS connection (1): repo.anaconda.com:443
DEBUG:urllib3.connectionpool:Starting new HTTPS connection (1): repo.anaconda.com:443
DEBUG:urllib3.connectionpool:https://repo.anaconda.com:443 "GET /pkgs/r/osx-64/repodata.json HTTP/1.1" 304 0
DEBUG:urllib3.connectionpool:https://repo.anaconda.com:443 "GET /pkgs/main/osx-64/repodata.json HTTP/1.1" 304 0
DEBUG:urllib3.connectionpool:https://repo.anaconda.com:443 "GET /pkgs/r/noarch/repodata.json HTTP/1.1" 304 0
DEBUG:urllib3.connectionpool:https://repo.anaconda.com:443 "GET /pkgs/main/noarch/repodata.json HTTP/1.1" 304 0
done
Solving environment: unsuccessful initial attempt using frozen solve. Retrying with flexible solve.
Solving environment: / 
Found conflicts! Looking for incompatible packages.
This can take several minutes.  Press CTRL-C to abort.
failed  

已尝试的解决措施 #

• 卸载并重装Anaconda
• 参考多个社区相关问题的解决方案，但均未生效

内容的提问来源于stack exchange，提问作者geomicrobio