On Thu, 1 Jun 2017, Pete Mundy wrote:
Heya Steve
I use the same Jeff recommended.
Eg this command would capture SIP traffic in capture files up to
100Mbytes each, with a maximum of 10 files in play and overwriting the
oldest automatically:
tcpdump -i eth0 -w rollingSIPtrace. -C 100 -W 10 port 5060
Eventually you'd end up with files called 'rollingSIPtrace.00' through
to 'rollingSIPtrace.09', and when rollingSIPtrace.09 reaches 100MB,
overwriting of rollingSIPtrace.00 (then rollingSIPtrace.01 etc) would
commence.
Does that achieve your goal?
Or was the problem that if your server restarts and the command
auto-executes at boot time then the first file overwritten will be
rollingSIPtrace.00, not necessarily whichever file was the last
modified?
I'd like it to only overwrite the oldest, but server restarts are rare
enough that I think this will be acceptable.
--
Thanks in advance,
-------------------------------------------------------------------------
Steve Edwards sedwa...@sedwards.com Voice: +1-760-468-3867 PST
https://www.linkedin.com/in/steve-edwards-4244281
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