On Sat, Apr 18, 2026 at 11:54:30 -0600, D. R. Evans wrote: > I have installed from scratch, from the official debian packages, jupyter > itself, and the kernels for ipython (which is auto-installed along with the > jupyter installation) and R. Those kernels appear to work as expected.
I don't think the word "kernel" means what you think it means. This sounds like userspace programming language stuff. Python. > Now how do I go about re-adding, for example, the bash kernel (which was one > of several kernels that used to be available and to work, but now fails to > do so -- any attempt to use it results in a connection failure)? All the > various advice I've been able to find online has failed in one way or > another, so I would very much appreciate a step-by-step description of what > to do in trixie to add a bash kernel. What on *earth* are you even talking about? Bash is a shell. It's a userspace application, a command interpreter with both interactive and non-interactive modes. It comes in a package named "bash". You almost certainly have it installed: hobbit:~$ dpkg -l bash | tail -n 1 ii bash 5.2.37-2+b8 amd64 GNU Bourne Again SHell Bash is not a kernel. Linux is a kernel. Your kernel packages will look something like this: hobbit:~$ dpkg -l linux-image\* | grep ^.i ii linux-image-6.12.73+deb13-amd64 6.12.73-1 amd64 Linux 6.12 for 64-bit PCs (signed) ii linux-image-6.12.74+deb13+1-amd64 6.12.74-2 amd64 Linux 6.12 for 64-bit PCs (signed) ii linux-image-amd64 6.12.74-2 amd64 Linux for 64-bit PCs (meta-package) Bash, Python, and Linux are three entirely separate things, and they have nothing to do with one another. What issue are you actually having? If you're running a command which gives an error, show us the entire terminal session, from your prompt to the end of the output.
