Hi Divya,

Thanks for your reply, but I'm opening it with Open in Putty itself and with 
X11 forwarding, my VM is on a ESXi server.  I still get the error:

openflow@openflowvm:~$ sudo wireshark &
[1] 932
openflow@openflowvm:~$
(wireshark:932): Gtk-WARNING **: cannot open display:


-

Siddhant

From: divya pathiramanna [mailto:[email protected]]
Sent: Wednesday, August 17, 2011 10:49 AM
To: Rai, Siddhant P.
Cc: [email protected]
Subject: Re: [openflow-discuss] Installation Error Wireshark

Hi Siddhant,

I was stuck with an error "can't open display" when doing xterm.  Adriano, from 
the openflow group helped me out and suggested that It was when putty terminal 
was opened through cmd
So,I opened the putty terminal by using 'open' in putty itself and It was 
corrected.

 After the basic setting (give your eth1 IP in hostname part of putty session 
settings) ,enable X11 forwarding and click open. I am not sure if this can help 
you.Just informed you of my experience with same kind of error

Divya

On Wed, Aug 17, 2011 at 12:20 PM, Rai, Siddhant P. 
<[email protected]<mailto:[email protected]>> wrote:
Hi,

I am following the OpenFlow tutorial  
(http://www.openflow.org/wk/index.php/OpenFlow_Tutorial ) from the site. I have 
reached the Start Wireshark part:

However, when I try to start Wireshark it says Gtk-Warning: cannot open 
display, I tried the following:

"export DISPLAY=:0.0"

But still is does not work, could you please help me resolving this issue.

Thanks,

Siddhant

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