Собственно запускаю sage notebook для работы с других ЭВМ, а оно мне в консоли
WARNING: Running the notebook insecurely not on localhost is dangerous
because its possible for people to sniff passwords and gain access to
your account. Make sure you know what you are doing.
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The notebook files are stored in: sage_notebook.sagenb
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WARNING: Insecure notebook server listening on external interface.
Unless you are running this via ssh port forwarding, you are
**crazy**! You should run the notebook with the option secure=True.
что там написано и насколько это серьезно ?