What's in /etc/hosts ? I wonder if it resolves 'localhost' to an IPv6 address and then can't connect to it for some reason.
On 27 September 2017 at 14:22, Florian Aspart <[email protected]> wrote: > You're right this was not the problem. It worked a little bit after > disabling internet (unplugging ethernet cable) but stopped working again, > probably due to some caching. > > This seems to be, indeed, a dns issue: using 127.0.0.1 instead of > localhost works fine. Alternatively, disabling IPv6 for the dns in firefox > (setting network.dns.disableIPv6 = True in about:config) also fixed the > problem for the address localhost. > > Thanks again for the help! > > 2017-09-27 12:27 GMT+02:00 Thomas Kluyver <[email protected]>: > >> On 27 September 2017 at 09:54, Florian Aspart <[email protected]> >> wrote: >>> >>> I can connect to the notebook "home" page but when I open a new kernel >>> it cannot connect to it. Therefore it's definitely not a proxy issue. >>> >> >> It's still possible that it's something like that. Some proxies have >> trouble with websockets (which we use to connect to the kernel). Some >> internet security software also interferes with websockets, but that >> usually affects Windows users, whereas you said you're running Ubuntu. >> >> >>> I'm running the Notebook version 5.0 but I also have a bunch of >>> nbextensions >>> <https://github.com/ipython-contrib/jupyter_contrib_nbextensions> >>> running. I think one of them is causing the problem: I disabled all of them >>> and, though I initially need internet to start the notebook, I can still >>> run the notebooks in firefox after turnin off internet. >>> I'll try to find which extensions does not work offline by disabling >>> them one after the other and I'll report it in case somebody has the same >>> problem. >>> >> >> That's still weird, because it shouldn't require an internet connection >> at any point. How are you turning off internet when you test this? It does >> use the special 'loopback' network interface; it may be that you've done >> something that disables all network interfaces, but I don't think it's >> likely - I don't even know a command for that. >> >> You could also try upgrading to notebook 5.1. I don't think it's likely >> to make a difference to that, but you never know. >> >> -- >> You received this message because you are subscribed to a topic in the >> Google Groups "Project Jupyter" group. >> To unsubscribe from this topic, visit https://groups.google.com/d/to >> pic/jupyter/IiS54b-icOk/unsubscribe. >> To unsubscribe from this group and all its topics, send an email to >> [email protected]. >> To post to this group, send email to [email protected]. >> To view this discussion on the web visit https://groups.google.com/d/ms >> gid/jupyter/CAOvn4qh81FRc5pm3hKn2NMmo-KzJ_LuDEr%2Bx_cqvVd% >> 3DCPea_gA%40mail.gmail.com >> <https://groups.google.com/d/msgid/jupyter/CAOvn4qh81FRc5pm3hKn2NMmo-KzJ_LuDEr%2Bx_cqvVd%3DCPea_gA%40mail.gmail.com?utm_medium=email&utm_source=footer> >> . >> >> For more options, visit https://groups.google.com/d/optout. >> > > -- > You received this message because you are subscribed to the Google Groups > "Project Jupyter" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > To view this discussion on the web visit https://groups.google.com/d/ > msgid/jupyter/CAGA3%2B%2BK_V%2BiB9j0oz2QCOHhwaUBmStP49oK% > 3D5yM%2BeJV%3DvtWC4w%40mail.gmail.com > <https://groups.google.com/d/msgid/jupyter/CAGA3%2B%2BK_V%2BiB9j0oz2QCOHhwaUBmStP49oK%3D5yM%2BeJV%3DvtWC4w%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "Project Jupyter" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/jupyter/CAOvn4qjSSCYT6xYR6Xd-e6wk-Cf%2B_aVRUdaFhvRrW9eaW8%2Bx6g%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
