Well at least in your case it seems that chrome is detected and launched 
automatically, this is IMHO preferable to a commandline prompt.



On Monday, April 17, 2017 at 10:37:08 AM UTC+2, Dima Pasechnik wrote:
>
> Perhaps it's a good idea to provide a prompt at this point, something like 
> "Launch the browser? (yes/no)"
>
>
> On Sunday, April 16, 2017 at 3:11:08 PM UTC+1, Volker Braun wrote:
>>
>> The token is a security measure so no other (local) user can run 
>> arbitrary code in your notebook. It is printed during startup (see below). 
>> Usually, jupyter will launch its own browser so the token is used 
>> automatically...
>>
>> $ sage -n
>> ┌────────────────────────────────────────────────────────────────────┐
>> │ SageMath version 8.0.beta2, Release Date: 2017-04-12               │
>> │ Type "notebook()" for the browser-based notebook interface.        │
>> │ Type "help()" for help.                                            │
>> └────────────────────────────────────────────────────────────────────┘
>> ┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓
>> ┃ Warning: this is a prerelease version, and it may be unstable.     ┃
>> ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛
>> Please wait while the SageNB export server starts...
>> [W 16:07:47.160 NotebookApp] server_extensions is deprecated, use 
>> nbserver_extensions
>> [I 16:07:47.165 NotebookApp] Using MathJax: 
>> nbextensions/mathjax/MathJax.js
>> [I 16:07:47.197 NotebookApp] Writing notebook server cookie secret to 
>> /run/user/1006/jupyter/notebook_cookie_secret
>> [I 16:07:48.266 NotebookApp] Serving notebooks from local directory: 
>> /mnt/disk/home/release/Sage
>> [I 16:07:48.266 NotebookApp] 0 active kernels 
>> [I 16:07:48.266 NotebookApp] The Jupyter Notebook is running at: 
>> http://localhost:8888/?token=4b2b23550be648f42c955b4dfe2f8ab6890553699fb8b386
>> [I 16:07:48.266 NotebookApp] Use Control-C to stop this server and shut 
>> down all kernels (twice to skip confirmation).
>> [C 16:07:48.267 NotebookApp] 
>>     
>>     Copy/paste this URL into your browser when you connect for the first 
>> time,
>>     to login with a token:
>>         
>> http://localhost:8888/?token=4b2b23550be648f42c955b4dfe2f8ab6890553699fb8b386
>>
>>
>>
>> On Tuesday, April 11, 2017 at 10:43:59 PM UTC+2, dimpase wrote:
>>>
>>> it does not work for me, or at least I must be doing something wrong.
>>> I get to the page listing the notebooks to convert, and then, if I click 
>>> on a notebook, I get a weird page asking for a password or a token.
>>>
>>> Password or token:
>>>  Log in
>>>
>>> Token authentication is enabled. You need to open the notebook server 
>>> with its first-time login token in the URL, or enable a password in order 
>>> to gain access. The command:
>>>
>>> jupyter notebook list
>>>
>>> will show you the URLs of running servers with their tokens, which you 
>>> can copy and paste into your browser. For example:
>>>
>>> Currently running servers:http://localhost:8888/?token=c8de56fa... :: 
>>> /Users/you/notebooks
>>>
>>> Or you can paste just the token value into the password field on this 
>>> page.
>>>
>>> Cookies are required for authenticated access to notebooks.
>>>
>>>
>>>
>>> What I see above doesn't look as a valid URL, and then WTF is the token 
>>> I can paste instead?
>>>
>>> I tried c8de56fa, it didn't work. I tried clicking on the URL, it brings 
>>> me back to the page to choose
>>>
>>> the notebooks...
>>>
>>>  Arrgh... Give me my console any time...
>>>
>>>
>>>
>>>
>>>
>>> On Tuesday, April 11, 2017 at 3:04:42 PM UTC+1, kcrisman wrote:
>>>>
>>>> This is now default in the Sage 8.0 beta series, and we strongly 
>>>> welcome testers!  For a limited time only I have posted a binary of the 
>>>> app 
>>>> bundle at 
>>>>
>>>>
>>>> http://www.math.gordon.edu/~kcrisman/sage-8.0.beta0-OSX_10.11.6-x86_64.app.dmg
>>>>
>>>> This should work on both Mac 10.11 and 10.12.   For bandwidth reasons I 
>>>> would prefer if those with the ability simply upgrade and build from 
>>>> scratch, but testing this app is also necessary.
>>>>
>>>> PLEASE TRY THIS and report back if you are at all interested in making 
>>>> sure that Sage 8.0 doesn't come with nasty surprises for long-time sagenb 
>>>> users.  Preliminary testing makes it seem as if we are okay, but it would 
>>>> be very helpful to have feedback about better/more informative messages 
>>>> for 
>>>> end users.
>>>>
>>>> Note if you haven't downloaded a new one for a while: because it will 
>>>> first have to patch some names to make sure all paths are correct, the 
>>>> first launch will take a LONG time.
>>>>
>>>

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