PS. From what I see on https://github.com/3-manifolds/Sage_macOS/issues/28 I gather you might try to remove (or better, rename, to be on the safe side) the folders
~/Library/Application Support/SageMath/*/Jupyter in other to be able to start Jupyter again. On Tue, Apr 23, 2024 at 10:57 PM Dima Pasechnik <dimp...@gmail.com> wrote: > > On Tue, Apr 23, 2024 at 10:29 PM S Benton <brentons...@gmail.com> wrote: > > > We are not using the app. She downloaded SageMath-10.3_arm64.dmg from > > github., double clicked the executable and followed the installation > > instructions. To launch, she clicks the SageMath-10-3 icon along the bottom > > of her mac. This gives her the option to open Jupyter Notebook, which she > > does, using the SageMath kernel. > > OK. What macOS version do you run? > Do you have all the updates installed ? (you should) > > > > > She has a 3 year old mac and I'm wondering if it just doesn't have the > > processing power it needs to do these more intensive mathematical > > computations. (plus she probably has other stuff up on her computer) So > > when Jupyter Lab konks out, she is unable to restart it. Even if she > > reboots her computer, when she tries to relaunch from the SageMath icon, > > she gets the Local host Error connection refused. She looks in Activity > > Monitor and says she has killed all of the python processes, but still > > cannot launch SageMath. > > it's most probably a stale "lock" file, just a file created by a > process to indicate that it's running; such a file is cleaned on a > normal exit, > but not in case of a crash. > > I must say I don't know much about this app, I'll cc to one of the authors. > > Marc, could you have a look? > > The app has a dedicated issue tracker: > https://github.com/3-manifolds/Sage_macOS/issues > it might be better to report there. > > > > > The last time this happened we removed and then reinstalled SageMath. But > > that's a tough way to keep things moving. I'm wondering if when Jupyter Lab > > dies, if there are files that live on and make it so that she cannot > > relaunch. We have not been able to find, or just lack the skills to find, > > where any of these files might be located. I tried to run "jupyter" > > commands from the terminal, but they come back as unknown and searching > > through "finder" on the mac is not getting us anywhere. > > > > Short of buying a new computer or continuing to reinstall SageMath, I'm > > wondering if there is a simpler of way of getting things up and running > > again for her. > > > Certainly a 3 y.o. machine is more than enough to run Sage, it's some > kind of software glitch, I suppose. > I'm running Sage (and writing this email from a 7 y.o. machine just fine). > > A quick way to run Sage is to use https://cocalc.com > (you can upload Jupyter notebooks there to run; you can even use it for free, > but to make it run better you'd need to pay something like $7 per month) > > There are several other ways to run Sage locally on your mac, > but let's try things in turn first. > > Hope this helps, > Dima > > > Thank you so much for responding. It is deeply appreciated. > > > > > > > > On Tuesday, April 23, 2024 at 4:05:17 PM UTC-4 Dima Pasechnik wrote: > >> > >> Hi, > >> > >> please tell us more about the Sage version, and how you installed it, and > >> how you launch the notebook. > >> > >> Do you use the Sagemath macOS app? > >> > >> > >> Dima > >> > >> > >> On 23 April 2024 20:05:12 BST, S Benton <brent...@gmail.com> wrote: > >>> > >>> Hi - at my wit's end here - my daughter is trying to use Sage Math > >>> Jupyter Notebook for her college coursework. She has had problems where > >>> if Notebook crashes, she is unable to relaunch it - she gets a > >>> "connection refused" error and it mentions Local Host 8888. Last time, we > >>> reinstalled everything and she was able to get up and running again. > >>> However, this keeps happening. > >>> > >>> I am wondering if - when Notebook crashes - if there are still processes > >>> running out there that are preventing her from relaunching a new instance > >>> of Notebook. She is on a mac, and I'm trying to find the commands or > >>> directories where these processes or files might stored so that I can > >>> remove them. > >>> > >>> I am not able to use any of the "Jupyter" commands from the mac command > >>> line to see what is running. Does anyone have any help they can offer on > >>> why this might be happening and how i can get her up and running again? > >>> > >>> Many thanks > > > > -- > > You received this message because you are subscribed to the Google Groups > > "sage-support" group. > > To unsubscribe from this group and stop receiving emails from it, send an > > email to sage-support+unsubscr...@googlegroups.com. > > To view this discussion on the web visit > > https://groups.google.com/d/msgid/sage-support/12aa12b6-1574-46d8-99b8-f6d72252166an%40googlegroups.com. -- You received this message because you are subscribed to the Google Groups "sage-support" group. 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