remove kernel on jupyter notebook

Question

How can I remove a kernel from jupyter notebook     I have R kernel on my jupyter notebook  Recently kernel always dies right after I open a new notebook

User · Answer

If you are doing this for virtualenv  the kernels in inactive environments might not be shown with jupyter kernelspec list  as suggested above  You can delete it from directory      local share jupyter kernels

User · Answer

You can delete it in the terminal via   jupyter kernelspec uninstall yourKernel   where yourKernel is the name of the kernel you want to delete

User · Answer

jupyter kernelspec remove now exists  see  7934   So you can just     List all kernels and grap the name of the kernel you want to remove jupyter kernelspec list   Remove it jupyter kernelspec remove  lt kernel name gt    That s it

User · Answer

In jupyter notebook run    echo y   jupyter kernelspec uninstall unwanted-kernel    In anaconda prompt run   jupyter kernelspec uninstall unwanted-kernel

User · Answer

Just for completeness  you can get a list of kernels with jupyter kernelspec list  but I ran into a case where one of the kernels did not show up in this list  You can find all kernel names by opening a Jupyter notebook and selecting Kernel - gt  Change kernel  If you do not see everything in this list when you run jupyter kernelspec list  try looking in common Jupyter folders   ls    local share jupyter kernels    usually where local kernels go ls  usr local share jupyter kernels    usually where system-wide kernels go ls  usr share jupyter kernels    also where system-wide kernels can go   Also  you can delete a kernel with jupyter kernelspec remove or jupyter kernelspec uninstall  The latter is an alias for remove  From the in-line help text for the command   uninstall     Alias for remove remove     Remove one or more Jupyter kernelspecs by name

User · Answer

There two ways  what I found either go to the directory where kernels are residing and delete from there  Secondly  using this command below  List all kernels and grap the name of the kernel you want to remove   jupyter kernelspec list    to get the paths of all your kernels   Then simply uninstall your unwanted-kernel  jupyter kernelspec remove kernel name

User · Answer

Run jupyter kernelspec list to get the paths of all your kernels   Then simply uninstall your unwanted-kernel  jupyter kernelspec uninstall unwanted-kernel   Old answer  Delete the folder corresponding to the kernel you want to remove   The docs has a list of the common paths for kernels to be stored in  http   jupyter-client readthedocs io en latest kernels html kernelspecs

[r] remove kernel on jupyter notebook

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