Red Hat Linux集群中Conda找不到平台独立库的问题求助

此前在Red Hat Linux集群上成功创建了名为envname的Python 2.7虚拟环境，并安装了部分模块。但近期登录后，执行conda activate envname或conda info等Conda命令时，出现如下错误：

Could not find platform independent libraries `<prefix>`

Consider setting $PYTHONHOME to `<prefix>[:<exec_prefix>]`

Python path configuration:

  PYTHONHOME = (not set)

  PYTHONPATH = (not set)

  program name = '/path/to/anaconda3/bin/python'

  isolated = 0

  environment = 1

  user site = 1

  import site = 1

  sys._base_executable = '/path/to/anaconda3/bin/python'

  sys.base_prefix = '/tmp/build/80754af9/python_1593706424329/_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placeho'

  sys.base_exec_prefix = '/path/to/anaconda3'

  sys.executable = '/path/to/anaconda3/bin/python'

  sys.prefix = '/tmp/build/80754af9/python_1593706424329/_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placeho'

  sys.exec_prefix = '/path/to/anaconda3'

  sys.path = [
    '/tmp/build/80754af9/python_1593706424329/_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placeho/lib/python38.zip',
    '/tmp/build/80754af9/python_1593706424329/_h_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placeho/lib/python3.8',
    '/path/to/anaconda3/lib/python3.8/lib-dynload',
  ]

Fatal Python error: init_fs_encoding: failed to get the Python codec of the filesystem encoding

Python runtime state: core initialized

ModuleNotFoundError: No module named 'encodings'

Current thread  0x00007fbecd9dd740 (most recent call first):
`<no Python frame>`

我的目标是恢复原有虚拟环境的正常使用，无需重新安装所有内容。已查阅相关线程但未解决问题，以下是排查过程中的相关信息：

• 执行source activate envname（此前激活环境的方式）时，报错：-bash: activate: 文件或目录不存在
• 登录集群后直接执行python命令，会调用全局的Python 2.7版本，该版本没有我在Conda环境中安装的模块
• 执行which python可知该Python位于/usr/bin/python，属于全局目录，因权限问题无法尝试相关解决方案
• 手动设置export PYTHONHOME=/usr/bin/python后，Conda仍无法使用，且python命令报错“could not import site”
• 取消这些环境变量设置或重新登录后，全局Python可正常使用
• 将PYTHONHOME、PYTHONPATH和PATH设置为/path/to/anaconda3/bin/python时，仅错误信息中的路径更新，问题仍存在
• PATH中已包含'/path/to/anaconda3/condabin'和'/usr/bin'，在.bashrc中添加export PATH=$PATH:/path/to/anaconda3/bin并重新加载后，问题未解决

内容的提问来源于stack exchange，提问作者otillaf