Here is my /etc/hosts: 127.0.0.1 localhost 127.0.1.1 florian
# The following lines are desirable for IPv6 capable hosts ::1 ip6-localhost ip6-loopback fe00::0 ip6-localnet ff00::0 ip6-mcastprefix ff02::1 ip6-allnodes ff02::2 ip6-allrouters 2017-09-27 15:34 GMT+02:00 Thomas Kluyver <[email protected]>: > 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%3D >>> CPea_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/ms >> gid/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 a topic in the > Google Groups "Project Jupyter" group. > To unsubscribe from this topic, visit https://groups.google.com/d/ > topic/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/ > msgid/jupyter/CAOvn4qjSSCYT6xYR6Xd-e6wk-Cf%2B_aVRUdaFhvRrW9eaW8%2Bx6g% > 40mail.gmail.com > <https://groups.google.com/d/msgid/jupyter/CAOvn4qjSSCYT6xYR6Xd-e6wk-Cf%2B_aVRUdaFhvRrW9eaW8%2Bx6g%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. 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