Is there a replacement for the -Q cli option?

asked 2024-05-01 20:34:47 +0000

updated 2024-05-02 08:18:24 +0000

Guy Harris
19890 ●3 ●659 ●207

Wireshark 0.99.6 CLI had -Q option that caused Wireshark to exit when capture is complete. I have to use wireshark and not tshark because I'm capturing from a virtual device. It's running headless on a Raspberry Pi so I have to use the CLI. I stop capture with the -aduration: option, which works, but wireshark never exits. I could run a zombie killer, I suppose, but it would be so much nicer if it would just exit when done. Is there a way to do that?

answered 2024-05-01 21:06:42 +0000

Chuckc
3023 ●6 ●608 ●20

9efd73b9: -Q → WIRESHARK_QUIT_AFTER_CAPTURE.

See WIRESHARK_QUIT_AFTER_CAPTURE on the Wireshark man page.

d6798876: I'm not sure -Q/WIRESHARK_QUIT_AFTER_CAPTURE is actually useful in batch

Or maybe your captures could be better done with dumpcap.

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Dumpcap is the reason tshark doesn't work - it only works on physical interfaces.

DaveDixon ( 2024-05-01 22:05:26 +0000 )edit

WIRESHARK_QUIT_AFTER_CAPTURE works perfectly, thanks!! I guess I never got that far in the documentation!

DaveDixon ( 2024-05-01 22:14:23 +0000 )edit

I have to use wireshark and not tshark because I'm capturing from a virtual device.

...

Dumpcap is the reason tshark doesn't work - it only works on physical interfaces.

What do you mean by "virtual device"? Dumpcap can capture on anything tcpdump can capture on, as they both use libpcap for capturing. Are you referring to an "extcap" device?

Guy Harris ( 2024-05-02 08:14:47 +0000 )edit

Yes, extcap.

DaveDixon ( 2024-05-02 10:29:38 +0000 )edit

What happens if you try to use an extcap with tshark?

Guy Harris ( 2024-05-02 23:21:03 +0000 )edit

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