[tor-dev] How to run a headless second Firefox instance?

Ximin Luo infinity0 at torproject.org
Wed Apr 9 15:43:16 UTC 2014

On 09/04/14 16:31, Ximin Luo wrote:
> On 09/04/14 07:29, David Fifield wrote:
>> It gets the job done, but it sucks because the first thing you see is
>> the dialog and you have to know not to close it. Is there a way to
>> accomplish the same thing (keep the browser running, but don't show a
>> browser window) without raising a conspicuous dialog?
> You could play further with this:
> $ nc -l -p 9999 &
> $ iceweasel -no-remote -p testing -chrome http://localhost:9999
> If there's no server listening, firefox opens up a "can't connect" page. Otherwise, it continues running, with no UI, past the 3-minute TCP timeout mark, even if you kill nc in the meantime.
> However, I am not sure if the process is actually responsive, or simply hanging waiting for an HTTP response - so you'll need to test that. Also, there's no guarantee that firefox will keep this behaviour.

Firefox hangs around if I exit nc with ctrl-D. I assume that this means it closed the TCP connection, so the fact that Firefox is still running afterwards is a good sign.


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