Ok fair enough, I only used notebooks when I can't avoid it. I'm pretty sure you...

wodenokoto · on Jan 3, 2021

    jupyter console --existing

should start ipython in your terminal and connect to the last started kernel (e.g., the one in the notebook you just started)

For jupyter lab, you just choose to start a repl from the gui and choose an existing kernel.

disgruntledphd2 · on Jan 5, 2021

Thank you! (clearly I didn't spend a lot of time doing this, as I have an Emacs addiction ;) )