Debian12使用pip3 install报错提示try apt install python3-xyz, where xyz is the package you are | VPSVPN

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Debian12系统在使用pip install时会报错，提示：
error: externally-managed-environment × This environment is externally managed╰─> To install Python packages system-wide, try apt install    python3-xyz, where xyz is the package you are trying to    install.        If you wish to install a non-Debian-packaged Python package,    create a virtual environment using python3 -m venv path/to/venv.    Then use path/to/venv/bin/python and path/to/venv/bin/pip. Make    sure you have python3-full installed.        If you wish to install a non-Debian packaged Python application,    it may be easiest to use pipx install xyz, which will manage a    virtual environment for you. Make sure you have pipx installed.        See /usr/share/doc/python3.11/README.venv for more information. note: If you believe this is a mistake, please contact your Python installation or OS distribution provider. You can override this, at the risk of breaking your Python installation or OS, by passing --break-system-packages.hint: See PEP 668 for the detailed specification.包括我们在安装Jrohy大佬的multi-v2ray时也无法使用……
解决方法

sudo mv /usr/lib/python3.11/EXTERNALLY-MANAGED /usr/lib/python3.11/EXTERNALLY-MANAGED.old
问题原因

EXTERNALLY-MANAGED 文件是 Python 的一种机制，用于标识该环境由系统包管理器控制，通常限制用户使用 pip 安装全局的 Python 包。当你想直接通过 pip 在全局环境安装 Python 包时，这个文件可能会导致权限问题或警告信息。重命名该文件后，Python 工具（例如 pip）会认为这是一个用户控制的环境，从而允许全局安装和管理包。

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