[syslog-ng] [Non-DoD Source] Re: Syslog 3.5 (pipe file issue)

[Amin, Jitesh CTR (US)]

Hi Laci,
So we can create named pipe object with filename successfully.

But the then the file always shows 0 bytes in size even after data is being written to this file. Additionally the timestamp on this file never changes (as new data get's written and so I would assume that modify date on file would also be updated).

Thanks
Jitesh
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From: syslog-ng [syslog-ng-bounces at lists.balabit.hu] on behalf of Szemere, László [laszlo.szemere at balabit.com]
Sent: Friday, October 27, 2017 9:46 AM
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Subject: [Non-DoD Source] Re: [syslog-ng] Syslog 3.5 (pipe file issue)

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Hello Jitesh,

 I am afraid I can not clearly understand your problem. Since OSE 3.0.2, a named pipe destination creates a new pipe object automatically with the predefined filename. (Caution-https://www.balabit.com/documents/syslog-ng-ose-3.11-guides/en/syslog-ng-ose-guide-admin/html-single/index.html#configuring-destinations-pipe < Caution-https://www.balabit.com/documents/syslog-ng-ose-3.11-guides/en/syslog-ng-ose-guide-admin/html-single/index.html#configuring-destinations-pipe > )

 For me, this is the expected behavior of named pipes (man page: Caution-http://man7.org/linux/man-pages/man1/mkfifo.1.html < Caution-http://man7.org/linux/man-pages/man1/mkfifo.1.html >  further information on level 3: Caution-http://man7.org/linux/man-pages/man3/mkfifo.3.html < Caution-http://man7.org/linux/man-pages/man3/mkfifo.3.html > ). Please try to rephrase your question, to give us more understanding about your use case.

Br,
Laci




On Fri, Oct 27, 2017 at 2:42 PM, Amin, Jitesh CTR (US) <jitesh.amin.ctr at mail.mil < Caution-mailto:jitesh.amin.ctr at mail.mil > > wrote:
Hi,
We have the syslog-ng 3.5 installed on Linux OS. We are trying to use the pipe function (to pipe data to the log file). This pipe file is FIFO.

One of the issues we are seeing is that, the file size of this pipe file is always ZERO and never grows and second the timestampe on the file never updates or changes.

Though when we do a "cat pipefilename" command we do see contents of the file.

Can you please let us know what we could be doing wrong or any feedback on how to resolve the issue?

Thanks
Jitesh

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