<ul><li>The error 'externally-managed-environment' indicates that the Python environment is controlled by the operating system's package manager, not the user.</li><li>To install Python packages in 2025, creating virtual environments using tools like UV is recommended to have full control over installations without interfering with the system Python.</li><li>The transition to PEP 668 for installing Python packages globally with pip on Linux helps in preventing subtle bugs or critical system issues caused by reckless installations.</li><li>Using the --break-system-packages flag with pip allows users to override the system-managed Python install restrictions, but it comes with risks of breaking critical system components.</li></ul>

The Reason pip Suddenly Refuses to Install Globally

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