x" or "Select Kernel" located in the top right corner, and follow the instructions there. Nov 2, 2022 · 0 If your Python came from the Microsoft Store, VS Code/Jupyter may not find kernels. I run vscode in the folder where the venv folder is located, when I try to select the kernel in vscode I can see the main environment and one located elsewhere on the disk. I have the Jupyter extension in VSCode, I also have the jupyter package installed (I can see it running conda list, for example), but I cannot run the notebook Oct 12, 2025 · I recently installed the latest version of Visual Studio Code. Apr 30, 2022 · I am facing the similar problem cannot see the kernel. It's showing just an old version of python (3. Execute the Quarto: Show Assist Panel command to show a panel in the sidebar that shows contextual assistance depending on the current cursor location: Help/documentation is shown when editing code A realtime preview of equations is shown when editing LaTeX math Thumbnail previews are shown when your cursor is located on a markdown image. Jupyter running in vscode also doesn't see this environment. The kernel's interface is a low-level abstraction layer. Expected Jun 17, 2021 · Hello @DonJayamanne , Thanks for your reply! @rchiodo 1. 77 ) and have installed the Python and Jupyter extensions as well and trying to set-up VSCode to use the Glue Interactive sessions using this . I noticed about a day or two ago that I could no longer run code in cells. Open a notebook Sometimes the kernel picker is there, sometimes no No errors in the console window. json generator for Linux kernel sources and out-of-tree modules - Comparing amezin:mastervectorr:master · amezin/vscode-linux-kernel 4 days ago · Master Python virtual environments with venv, virtualenv, conda, and pyenv. To enable advanced features, modifications may be needed in the VS Code language extensions. Please help me image1 I want to select kernel, but the May 11, 2024 · 2. Jan 21, 2025 · Just to emphasize vscode/cursor was able to execute cells in jupyter notebooks yesterday, and I have not update cursor or any plugins since then. When selecting the "Select Kernel" in the top right, I was not able to select anything, it was just endlessly loading. 598Z) Oct 21, 2020 · VSCode not running kernel for large Jupyter notebook file (showing as html only) Asked 5 years, 1 month ago Modified 5 years, 1 month ago Viewed 231 times Mar 2, 2023 · I try to clear the kernel MRU, select another kernel, enter the jupyter URL, etc, etc, nothing appears to work. Jun 8, 2022 · Having similar issues recently on my Linux workstation: Spin up a server within a Docker container; confirm a kernel has also been started update "Specify Jupyter remote server for connections" wit Jun 14, 2024 · Do you know where these kernel specs are, if you do, please can you share the full path to the location of these kernelspecs In a terminal, please can you run the command python -m jupyter kernelspec list and share the output (this will dump the list of kernels) Jan 17, 2024 · After trying to install a library (I don't remember what) and restart VS Code before finished it ('cause the installation took more time than I supposed), the cells in my Jupyter notebook started to run but without any further result. Nov 17, 2021 · The pyspark kernel worked fine in Conda jupyter notebook, but it is not showing in the vs code jupyter kernel list. Oct 12, 2025 · I recently installed the latest version of Visual Studio Code. But I can use %%spark to connect my livy service and run code in iPython instance. The image below shows the kernel blue_jupy on the jupyter hub. Sep 29, 2024 · First opened the code editor and pressed select kernel, but nothing would show up VS Code version: PearAI 1. The application appears to hang at this stage and is… Oct 26, 2021 · It seems random whether they appear or not. Jul 26, 2025 · What happened? Description When opening a Jupyter notebook (. It is also visible when I use jupyter kernelspec list command, but when I tried to use vs code jupyter extension, it is not showing in the kernel list. Vs Code Not Finding Kernel - Free printable templates for every occasion! Instantly download and customize designs for planners, invitations, worksheets, and more. Se Nov 8, 2023 · Actual behaviour Any newer vscode jupyter extension from the version mentioned previously fails to show the kernel: Also note that the interpreter does pop up when doing Python: Select Interpreters in both cases: Steps to reproduce: Have a defaultInterpreterPath kernel (if needed can try and provide a minimal example of our bazel kernel). 1 (58996b5e761a7fe74bdfb4ac468e4b91d4d27294, 2024-09-18T09:06:23. In previous version other jupyter kernels would appear in list after restarting VSCode Connecting VS Code to a remote JupyterHub kernel lets you run Jupyter notebooks in your local editor while using the environments and compute power of the remote server. Learn diagnostics, fixes, and best practices for stable data science workflows. Python scrips works just fine in the virtual environment, but Jupyter notebooks cannot find any kernels. Jul 27, 2021 · In the select kernel the venv kernel is not present but the python kernel is there. If I click through that quick picker > Python environments > it searches for a while then shows Create python . Node. Mar 3, 2023 · I am a python newbie. I have a problem with VS code. Actually that's just a piece of new UI showing the kernel status. After I restart VSCode and WSL, the extension shows an option to use the Julia kernel installed in my conda environment: Julia 1. And this cannot work since it couldn't show the kernel : pysparkkernel', 'synape_pyspark'. Even in systems where the kernel is included in application address spaces, memory protection is used to prevent unauthorized applications from modifying the kernel. Note: By default, the outline will only show Markdown. This can be caused by a misconfiguration in the Jupyter settings or an issue with the Python environment. I usually start vscode from the command line, with my virtual environment activated. 96) Nov 18, 2022 · When we only have a couple of notebook controllers created for a notebook type, without any kernel detection task or kernel source commands, the "Select Another Kernel" should not show. When listing all installed packages in 'ct' in the VS Code terminal all packages show up. On installing ipykernel==6. By the end of this article, you'll be able to select an empty kernel in VS Code like a pro! Mar 6, 2025 · When I try to select a Python Environment kernel, doesn't show any kernel and instead offers me the Install Python. I tried: pip3 install ipykernel --force-reinstall Apr 16, 2024 · What happened? jupyter-python notebook is not recognized by the 'kernel picker' tool (Notebook: Select notebook kernel), even when the exact path to the kernel. When I try to check it in the kernels' li Nov 17, 2021 · pyspark kernel installed using sparkmagic did not show in vs code jupyter extension kernel list, even it worked well with Conda Jupyter Notebook and it showed with command of jupyter kernelspec list. VS Code version: Code 1. I have the Jupyter kernel installed, but when I open a . ipynb) in VS Code with the Microsoft Python and Jupyter extensions, pyenv virtual environments do not appear at all in the kernel picker initially. Follow these instructions to get back to coding in no time. However, some don't see this kernel as an option. Most of the time it fails to detect your Python kernel, even if you install the exact Pyt Sep 2, 2020 · I am trying to run Jupyter notebook files in VS Code but they fail to run due to the error: IPyKernel not installed into interpreter Python 3. 2 (Universal) (1a5daa3, 2 Nov 27, 2022 · VSCode Kernel Selector when clicked does not display any options Asked 3 years, 1 month ago Modified 3 years, 1 month ago Viewed 387 times Jul 27, 2021 · I am using Visual Studio Code with the Jupyter extension (ms-toolsai. > venv > use existing but after i click existing it goes back to the detecting kernel & wheel. The application appears to hang at this stage and is… Jan 18, 2022 · I cannot find the kernels that i created which is necessary to run the notebooks. Apr 21, 2021 · VS Code Version: Insiders OS Version: Mac Steps to Reproduce: 1. json as described here Nov 18, 2022 · When we only have a couple of notebook controllers created for a notebook type, without any kernel detection task or kernel source commands, the "Select Another Kernel" should not show. Oct 18, 2025 · The jupyter notebook extension in vscode as well as the jupyter notebook in the browser get stuck in kernel connecting state when a cell is executed. 2. You can install it by running conda install jupyter. Feb 10, 2022 · I had VSCode installed in AppData folder, using user installer. ipynb file, the kernel is detected but not automatically selected. . In previous version other jupyter kernels would appear in list after restarting VSCode Oct 14, 2022 · When I opened my vs code today to use a . In contrast, user space is the memory area where application software, daemons, and some drivers execute, typically with one address space per process. The only available kernel in the dropdown list is the system-wide kernel, not the one from the activated conda environment or any others Note: host1,2 are on Debian 12 Other Note: I can't remote-ssh directly to host2, nor connect to it's jupyter server directly VS Code Version Learn what is new in the Visual Studio Code November 2024 Release (1. ipynb) in VS Code to a Colab CPU kernel, VS Code shows an Mar 30, 2021 · 77 Visual Studio Code does not detect virtual environments. As well as the topic being 2 years old. It worked until yesterday VS Code version: Code 1. It means the jupyter server and kernel haven't been started yet. 19 hours ago · Troubleshooting STM32 CH340 Serial Port Not Showing in /dev For embedded developers and hobbyists working with STM32 microcontrollers, the USB-to-serial interface is a critical bridge for programming, debugging, and monitoring device output. 0, I don't face this issue in vscode or jupyter notebook in browser. Reloading the screen and restarting vscode does not help, neither does disabling and re-enabling the python and jupyter extensions. ('Select kernel' shows up at the top right We would like to show you a description here but the site won’t allow us. What might be causing this issue, and how can I resolve it? Jun 19, 2023 · Dear HPC team, I have been facing issues while starting the kernel in a VS code notebook like this: This is how the output log looks like error 17:20:20. IntelliSense support in the Jupyter Notebook Editor The Python Jupyter Notebook Editor window has full IntelliSense – code completions, member lists, quick info for methods, and parameter hints. We'll cover the different ways to do this, as well as some tips for troubleshooting common problems. Learn what is new in the Visual Studio Code November 2022 Release (1. 1, which is the version before 7. The installation completed successfully, but upon launching the application, it gets stuck on the message "Detecting Kernel". Before, I was able to see it, and I haven't changed particular options in VS Code. jupyter) version 2021. Kernel space is strictly reserved for running a privileged operating system kernel, kernel extensions, and most device drivers. Visual Studio Code project/compile_commands. Jul 22, 2025 · In terminal I can activate the venv just fine, but in the top right Detecting kernel is rotating constantly. Mar 25, 2021 · Run notebook, & view kernels Create virtual environment Close notebook, open a notebook, the new venv is not dipslayed in the kernel picker Need to reload Learn how to select an empty kernel in VS Code with this step-by-step guide. Note: The required kernel is linked to a virtual environment on the kernel. Reloading VSCode does not do anything. May 21, 2023 · Summary: Local kernel spec does not show up unless a global kernel spec is installed I want to install custom kernel specifications locally; inside a Python virtual environment. In a specific folder, which I use as a workspace, there is no kernel available, shown as below. Mar 9, 2012 · I use VSCode to run . This is NOT a Jupyter kernel --you must have Python environment in which you've installed the Jupyter package, though many language kernels will work with no modification. In VSCode, I do not see Glue PySpark as kernel Option, though see Glue Spark. Feb 18, 2025 · Enter the Jupyter server address on host2 and successfully connect. Then on starting a jupyter server via terminal then using that as the existing server then the kernels are listed. json is provided (created by jupyter installation ipykernel). 30. Kernel Not Connecting Another common issue is the kernel not connecting in VS Code, which can prevent users from running their code. When a process requests a service from the kernel, it must invoke a system call, usually through a wrapper function. 86) Feb 22, 2022 · 3 VSCode wouldn't show venvs created with poetry in "change kernel" window. I have installed ipykernel in this environment. Use Ctrl + Shift + P to open the Command Palette, and select "Notebook: Select Notebook Kernel" Oct 10, 2025 · Despite all this, VS Code continues to show that no Pip installer is available or that ipykernel needs to be installed — even though both are clearly installed in the selected environment. We would like to show you a description here but the site won’t allow us. Mar 31, 2023 · When i click on "Select Kernel" in Visual Studio Code, it doesn't show my environment in the list. Install Jupyter Extension 2. Jan 11, 2026 · This setup ensures your Jupyter environment is portable, secure, and accessible from anywhere, while leveraging VSCode’s rich features like code completion, debugging, and Git integration. Please help me in linking the remote kernel to my notebook on vscode so that i can work locally on the notebooks located in remote server. Jan 18, 2023 · I'm a beginner in python, using jupyter notebook in VSCode. And I cannot execute any code. That's what happened before too, but it didn't show what the status was. Feb 21, 2020 · I faced a similar issue quite often in Visual Studio Code, sometimes I can't get the kernel from my virtual environment (instead, Visual Studio Code only finds other venvs that are not related to my current project). Sep 28, 2021 · Issue Type: Bug Can no longer select jupyter kernel in virtual environments created outside of /usr directory. PS I have the latest vscode and extensions Close the jupyter notebook file and open it again made it reapear for me Dec 8, 2021 · Some people can see the correct kernel that is associated with the base conda environment in their vscode window when working on notebooks. It took a long… Aug 16, 2023 · When I click "select kernel" on the notebook, the adjacent environment does not appear in the dropdown, even after selecting "Select Another Kernel"->"Python Environments", nor does it accept me typing in the path to the python executable. It's not installed by default on Windows 11, but Microsoft makes it easy to add. Whether or not data is overwritten is up to the semantics of the buffer routines or the application using the circular buffer. I tried this thread but it didn't work. To show code cells, enable the following setting: Notebook > Outline: Show Code Cells. js is a JavaScript runtime that lets you run JavaScript code outside of a web browser. How do I make sure that everyone's vscode lists the appropriate kernel when they are creating new notebooks or modifying existing notebooks? Resolve Jupyter kernel and environment sync issues in Visual Studio Code. 5 64-bit However as shown, I have installed the pac Apr 6, 2024 · It may be convenient to create a new environment with vscode by clicking "Python 3. Jul 28, 2022 · I use jupyter notebooks in vscode all the time. 74) Learn what is new in the Visual Studio Code January 2024 Release (1. Nov 12, 2022 · I have been trying to work with a jupyter notebook inside vscode, but when I create it the right kernel appears for like 10 seconds and then it disappears. However it looks like there may have been a pre-release of this extension two days ago. 0 Apr 10, 2023 · I have VSCode ( updated to v1. 84. It always displayed Failed to start the Kernel. Nov 20, 2025 · Title: Unable to connect to Colab kernel from VS Code (remote server not reachable) Description When trying to connect a Jupyter notebook (. OSError: [WinError 123] Sep 4, 2023 · 2 I'm using Visual Studio Code (VS Code) to work with Jupyter notebooks. 3. I've already ensured that everything is up to date and reinstalled the necessary components. Jan 10, 2025 · After opening a notebook, or workspace with some notebooks opened, the kernel picker is in the "Select kernel" state, clicking on it reveals menu offering only "python environments" and "existing jupyter server" options, so the Jupyter kernel option is missing. That worked for me. ipynb notebooks. Nov 17, 2021 · I have my pyspark kernel installed using sparkmgic, it is showing in jupyter notebook and worked fine (connected to remote livy service and ran code without any issues). 3) which is not the v VSCode not picking up ipykernel Asked 5 years, 11 months ago Modified 4 years, 10 months ago Viewed 33k times Oct 5, 2023 · VSCode not detecting kernel after running python -m ipykernel install --user --name=base-3. 89. In this guide, we’ll walk through every step to set up and run a Jupyter Notebook in a Docker container on a remote server, then connect to it using VSCode. Jul 3, 2025 · As reported in marketplace: Has the same recurring bug across multiple versions that others have mentioned. Once I manually create the kernel with python -m ipykernel install --user , it shows up. Learn when to use each tool, IDE integration, and best practices for project isolation. What fixes this? Mar 2, 2022 · Issue Type: Bug I created different environment for my project, but while try running the jupyter notebook could not find the kernel . Aug 9, 2021 · I wanted to use the new environment as a Jupyter kernel and had to install the jupyter package for it to show up in the kernel selection of VSCode. Start printing today! 5 days ago · Proposed Solution Possible implementations: Show cell index in the cell toolbar or gutter (similar to line numbers) Add a setting to toggle cell index visibility This would enable precise references like "Please review cell 4" or "There's a bug in cell ID cell-j1k2l3 ". 1” indefinitely. 9 and reloading #14448 New issue Closed ctappy Nov 9, 2023 · However, no kernel shows up and it seems to load the list of kernel without stop. ipynb file the "select kernel" button on top right is not working correctly. Cannot choose kernel Also when running jupyter lab in browser from 'ct' environment everything is working as should. **Install Python Interpreter** Oct 11, 2022 · This is actually totally fine but I don't get why the 'ct' kernel is not showing up in the list when trying to change the kernel. 1054968649, I am connecting to a container over ssh (so I use both Remote - Container and Remote - SSH). Finally, if two elements are now removed then what would be removed is not A & B, but 5 & 6 because 5 & 6 are now the oldest elements, yielding the buffer with: Sep 28, 2021 · Issue Type: Bug Can no longer select jupyter kernel in virtual environments created outside of /usr directory. 65. Here you will find the complete list of keyboard shortcuts for Visual Studio Code and how to change them. Jan 31, 2024 · To resolve the issue where VS Code does not recognize the Python kernel after installing Anaconda, you can follow these steps: 1. Feb 19, 2025 · When trying to select an appropriate kernel it will only offer the one on the basic path. The application appears to hang at this stage and is… Dec 20, 2024 · Actual Behavior No kernels are being detected Cannot run any notebook cells Kernel picker shows no available kernels Question How can I properly configure VS Code to detect and use Python kernels for Jupyter notebooks on a fresh Arch Linux installation, considering the system package management restrictions? Oct 12, 2025 · After updating to the latest version of Visual Studio Code (October 2025 update), Jupyter notebooks no longer connect to the Python kernel. The available kernels do show up with a jupyter kernelspec list in both the VSCode terminal as wel as general terminals. 2 (~/. org, recreate the venv, and register the kernel. 13. Jan 22, 2020 · Most noticeably my VS code does not have a kernel connected, look at the screenshot: I tried clicking on a couple of arrows as suggested on reddit (vs_code_jupyter_server_no_kernel_python_not): For VSCode, your Jupyter kernel is not necessarily using the same python interpreter you're using at the command line. 8. On the OP's problem occurrence, I tried to restart, reinstall and downgrade VSCode, as other answers suggested, but nothing helped. I tried both from the button, select kernel and through the command palette. --> I expected this to connect and allow me to run the notebook! Close vscode Next time I open VS Code, it hangs with a blank screen for a while and then my it opens with my notebook showing as a blank page and throws the error: Mar 17, 2022 · I have activated this virtual conda environment as a Jupyter kernel, I have confirmed that it shows up as a jupyter kernel on the jupyter hub on the server, but when I run a jupyter notebook on vs code (connected to the same server by ssh), I don't see this kernel. Mar 29, 2025 · So I was very surprised that the jupyter notebooks inside of vscode did not work; I was not able to choose a kernel to run my code. Even after giving in the complete path of the python it does not change the kernel. I have also added python path the kernel. conda/envs/Julia/bin/julia). Clicking on it does not do anything. I don't know how to fix this and it is rather crippling, there is a reason we use virtual environments. 0. The first two pics show that both of jupyter and ms-python extensions are in the latest version. 963: Error in execution (get message for cell) [a [Error]: Un… May 9, 2023 · Recently extension is not recognizing virtual environment's kernel and selecting the global one automatically. As shown below, my vs code is always detecting the kernel. Oct 17, 2024 · Jupyter notebooks in VSCode not showing up to date python kernel list For a couple of months I’ve had issues with working with virtual envs, python notebooks & jupyter in VSCode, for some reason Jan 13, 2024 · Having trouble with the 'Select Kernel' option in Visual Studio Code when working with Python? This article provides a step-by-step guide to fixing the issue, including clicking the 'Select Kernel' button, selecting Python environments, and installing the Python extension. 7. Descriptions of kernel selection options and tutorials on managing different types of kernels when working with Jupyter Notebooks in Visual Studio Code. Install Python from python. Both Python and Jupyter work perfectly fine when launched from the terminal, but inside VS Code, the kernel remains stuck on “Connecting to kernel: Python 3. Julia kernel is working fine. It's not even showing the virtual environment kernel in selection list. The "2" is important - WSL2 uses real Linux kernel technology and is much faster than the original WSL.

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