[IPython-User] connecting to remote kernel in 0.11

neil rabinowitz neil.rabinowitz@merton.ox.ac...
Sat Aug 6 11:57:07 CDT 2011

... I should add that all I describe here is being done on a single machine,
i.e. locally.

On Sat, Aug 6, 2011 at 5:55 PM, neil rabinowitz <
neil.rabinowitz@merton.ox.ac.uk> wrote:

> I'm still trying to figure out this local vs remote kernel story. Aside
> from my ssh question below, can someone offer an explanation/example of how
> i set up and connect to a remote kernel (on linux), even if unsecured? The
> most I can find is from the ipython_qtconsole_config.py file:
> # Set the kernel's IP address [default localhost]. If the IP address
> is
> # something other than localhost, then Consoles on other machines will be
> able
> # to connect to the Kernel, so be
> careful!
> # c.IPythonQtConsoleApp.ip = ''
> If I try to specify my network-facing interface IP with a flag, e.g.:
> ipython qtconsole --ip=192.168.X.X
> then it fails, printing a stack and the following:
> RuntimeError: Can only launch a kernel on a local interface. Make sure that
> the '*_address' attributes are configured properly. Currently valid
> addresses are: ['', '', '', '']
> Following the documentation that opens up the kernel to all
> interfaces, I try launching ipython with the ip tag set to, which
> does indeed launch a console. However, I can't then seem to connect to this
> instance anyway I try. The usual method (launching a new instance with the
> "--existing ..." flags) brings up a qtconsole, displaying the usual headers,
> but no prompt ever appears. The same is true if I append the extra flags to
> the second qtconsole of --ip= or --ip= and so on -- just a
> promptless console.
> Is there a simple syntactical trick I'm missing, or is my use case is not
> what this system is designed for?
> Thanks
> Neil
> On Thu, Aug 4, 2011 at 9:48 PM, neil rabinowitz <
> neil.rabinowitz@merton.ox.ac.uk> wrote:
>> hello
>> firstly, much credit is due to all who have contributed to the 0.11
>> release. i've been migrating the last couple of days, and i'm impressed with
>> all you've done.
>> i'm trying to have a play around with the client/kernel architecture. in
>> particular, i usually run instances of python on my lab server, which i
>> access remotely via ssh (e.g. from elsewhere in the lab or at home). i'm
>> wondering what is the standard protocol for securely connecting a qt console
>> client to a remote kernel -- i can't seem to find appropriate documentation.
>> could someone please point me in the appropriate direction?
>> best
>> neil
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