Open JBookTrader
go to ->Configure->Preferences->TWS Connection and set to TWS in China
if you wont

On Jun 12, 8:51 am, bluemaster <[email protected]> wrote:
> FreeBSD running  Linux version of TWS with no problem ( kernel linux
> support build in) , can be run from second box
>
> On Jun 12, 7:55 am, John-Crichton McCutcheon
>
> <[email protected]> wrote:
> > If JBT were running on a headless unix environment such as FreeBSD 8,
> > then how would TWS run?
> > Aren't TWS and JBT required to be on same box ?
>
> > On 6/11/2010 4:16 PM, nonlinear5 wrote:
>
> > >> JBook and Eclipse installed on FreeBSD 8  speed performance for back
> > >> testing and optimisation. 12.7 times vs. Windows crap.
>
> > > 12.7 times faster? On the same box?
>
> > >> My question: Is it possible to run live trading from shell script and
> > >> command prompt without java GUI
>
> > > Yes, it's certainly possible, with some code modifications. However,
> > > I'd note two things:
>
> > > 1. In the forward test and trade modes, JBT consumes very little
> > > memory and CPU. You can run dozens of strategies simultaneously
> > > without any degradation in performance. I doubt that you would see
> > > much improvement by running without the GUI.
>
> > > 2. What's really slow is backtesting (because it needs to deal with
> > > huge data files with millions of data points and keep the chart data
> > > in memory) and optimization (because the optimizer permutates through
> > > a large number of parameters). If your optimizer runs 12.7 times
> > > faster on FreeBSD, there is certainly a value.

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