Cannot open Jupyter Notebook in the new zsh shell in macOS

Question

I recently upgraded to macOS Catalina and it prompted me to upgrade to the zsh shell. But now when I try to run jupyter notebook, it says command not found. I tried looking for it in .bashrc but .bashrc does not exist. What do I do? I did pip install jupyter on the home /Users/username and I am using python3.

Solution 1

I have encountered the similar annoying problem and here is my one-line solution:

• Open terminal and type:

  brew install jupyter
  

• If you haven't install brew on your Mac, please follow the instruction here: https://brew.sh/

  /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install.sh)"
  

• Wait for around 10 minutes until the installation finishes and try jupyter again.

---

Explain:

It helps download a lot of "Catalina" related packages, like

==> Downloading https://homebrew.bintray.com/bottles/jupyterlab-2.1.5.catalina.bottle.tar.gz
......
==> Downloading https://homebrew.bintray.com/bottles/ipython-7.16.1.catalina.bottle.tar.gz
......

See https://github.com/dotnet/interactive/issues/34 for the latest discussions on this issue.

Solution 2

There is some additional configuration that you need to do to get it to work.

1. Open bash profile using the command:

   open ~/.bash_profile
   

2. There’s a block of code the anaconda installer added to the end of the file. Copy that. It looks something like this

   

3. Open the .zshrc file:

   open ~/.zshrc
   

   And paste the copied code to the end of the file and save it.

4. Restart the terminal:

   source ~/.zshrc
   

Comments

[slhck]

How did you install Jupyter in the first place? Which Python distribution are you running currently? The built-in one, or Homebrew, or some other package? .bashrc is not usually used on macOS, and anyway it isn't what ZSH would read.

[Simran Williams]

It was working fine until before I updated the default shell. I could go to the terminal and type in jupyter notebook and it would launch.

[slhck]

I know, you mentioned that in your question. My question was how you installed Jupyter (and Python) in the first place? Jupyter is not shipped with macOS.

[slhck]

Also, please edit your question and provide the following info: Can you check if /usr/local/bin/jupyter exists? What does echo $PATH show?

[Simran Williams]

I did pip install jupyter. And, no the /usr/local/bin/jupyter does not exist. echo $PATH shows /usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/Library/Apple/‌​usr/bin:/Library/App‌​le/bin:/Library/TeX/‌​texbin:/usr/local/sh‌​are/dotnet:/opt/X11/‌​bin:~/.dotnet/tools:‌​/Library/Frameworks/‌​Mono.framework/Versi‌​ons/Current/Commands‌​:/Applications/Xamar‌​in Workbooks.app/Contents/SharedSupport/path-bin

[slhck]

It would be better if you could edit your question to include this info. What happens when you now run pip install jupyter? And, sorry, I have to ask again, what kind of Python distribution are you using?

[Simran Williams]

It says the requirement already satisfied. I am running python3.

[slhck]

And where did you get python3? Via Homebrew? Does pip3 install jupyter work? If you have an additional Python 3 version installed, you might need pip3 to install packages with it.

[LamaMo]

It gives me The file /Users/sarawasl/.zshrc does not exist. at step 3

[Dennis Jaheruddin]

This did not work, also the output was "usage: dirname path" suggesting it is doing the wrong kind of thing

[curusarn]

Can you run which jupyter and post the output?

[Nicholas Gooding Rios]

Excellent response, this did the update to use jupyter on zsh. You will still need to run brew link with the overwrite option for ipython and jupyter; and also run brew cleanup after, but this is the way

[pr94]

@LamaMo hopefully solved it by now, but for others who might have the same issue: the ~/.zshrc doesn’t exist by default in macOS so you need to create it by e.g. nano ~/.zshrc

[Admin]

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