[syslog-ng] Verifying local logs and remote logs are being sent to destination graylog

Rodney Bizzell hardworker30 at gmail.com
Thu Nov 8 15:45:04 UTC 2018

For some reason  when I run this command  syslog-ng-debun -d -P 'port
12201' I get command not found  has the syntax change for syslog-ng version
3.5. I was successful running this command
 syslog-ng -e -F -d -v -u -b -p 'port 12201'. Looking at the documentation
and it does show that command above should work.  I am running this on
Centos 7

On Wed, Nov 7, 2018 at 7:22 PM PÁSZTOR György <
pasztor at linux.gyakg.u-szeged.hu> wrote:

> Hi,
> "Rodney Bizzell" <hardworker30 at gmail.com> írta 2018-11-07 15:14-kor:
> > I can try that but I echoed a message from the syslog server to the
> graylog
> > server and that worked
> What this exactly means that you "echoed" a message?
> echo -ne '{some json formatted graylog message}\0' | nc graylog.server
> 12201
> ?
> Can you please share the details?
> It's really hard to guess what you exactly thought of. And I don't have my
> magic crystal sphere with me to have a more reliable guess.
> Have you run a tcpdump to check communication between syslog-ng and
> graylog? Could you please share the pcap file?
> You only shared the debug messages of the syslog-ng initialization.
> But we haven't seen in your other mail what the debug mode says if you send
> in a message which should end up on the graylog server.
> Well, this is what debug mode is for: to debug situations like this.
> At this point it could be also useful, if this test system doesn't contain
> any sensitive information, to start a debug bundle run, and share the
> result:
> When your config is ready, etc. just use these parameters for the debun
> command:
> syslog-ng-debun -d -P 'port 12201'
> It will stop system's syslog-ng service, and restart that in debug mode and
> collect the data, and will wait for your input when to stop data
> collecting.
> So, while it runs in debug mode, on a second terminal please try to send a
> log message, what destined to reach the graylog server.
> Wait a couple of seconds.
> Then hit the enter on the first terminal where the data collection is
> running.
> It will pack the collected data into a tarball, and notify you where is the
> resulting file. Then please share that file with us.
> I think that is the most straightforward way to solve this mistery.
> Regards,
> Gyu
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