Can timeout command be added to LE?

RomMon · September 18, 2022 at 12:14 AM

Is it possible to add the timeout command to LE?

This would allow to script capturing of packets e.g. timeout 300 tcpdump -nnpi wlan0 arp

Timeout is part of busybox Core/Coreutils section of the config, and not selected (in 9.2 and 10.0 what I have seen).

**chewitt** · September 18, 2022 at 10:59 AM

Code

tcpdump -G 300 -W 1 -w dumpfile.pcap -nnpi wlan0 arp

^ tcpdump's -G and -W options can be combined to do the same thing; meaning rotate the capture file after 300 seconds, write 1 file

RomMon · September 18, 2022 at 8:39 PM

Thanks.

I was looking for a solution that shows the APR requests/replies as I'm struggling with an issue that is only present for limited time (~15-30min).

During that time I'm not able to connect to the LE RPi3 from one pc (no ping, no ssh), but works ok from another.

Suspect my WiFi-Mesh network is causing some asymmetric behaviour after a 'mobility event'.

I compiled a new LE-9.2.8 image with the timeout command available.

Waiting for a next event...

**Da Flex** · September 18, 2022 at 10:32 PM

You can also try to copy busybox from Raspberry Pi OS to LE.

**chewitt** · September 19, 2022 at 8:11 AM

Just exclude the -w filename.pcap .. then it outputs to console

RomMon · September 20, 2022 at 2:47 PM

Unfortunately the -G option doesn't do anything without the -w option.

The new image with timeout command works good.

(only took lot of effort to get an image)

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