Hi,

It show me that it's a syslog-ng ... i have done this before i have not mention in the post. The port is used by Syslog-ng.

netstat -antp | grep 6514
tcp        0      0 0.0.0.0:6514            0.0.0.0:*               LISTEN      15632/syslog-ng


type syslog-ng
syslog-ng is hashed (/sbin/syslog-ng)

/sbin/syslog-ng -V
syslog-ng 3.8.0alpha0
Installer-Version: 3.8.0alpha0
Revision:
Module-Directory: //usr/lib64/syslog-ng
Module-Path: //usr/lib64/syslog-ng
Available-Modules: confgen,afuser,afprog,graphite,dbparser,sdjournal,kvformat,disk-buffer,affile,cef,pseudofile,csvparser,afamqp,basicfuncs,afsocket,syslogformat,date,json-plugin,linux-kmsg-format,cryptofuncs,system-source,afstomp,afmongodb
Enable-Debug: off
Enable-GProf: off
Enable-Memtrace: off
Enable-IPv6: on
Enable-Spoof-Source: on
Enable-TCP-Wrapper: on
Enable-Linux-Caps: off

/sbin/syslog-ng -V
syslog-ng 3.8.0alpha0
Installer-Version: 3.8.0alpha0
Revision:
Module-Directory: //usr/lib64/syslog-ng
Module-Path: //usr/lib64/syslog-ng
Available-Modules: confgen,afuser,afprog,graphite,dbparser,sdjournal,kvformat,disk-buffer,affile,cef,pseudofile,csvparser,afamqp,basicfuncs,afsocket,syslogformat,date,json-plugin,linux-kmsg-format,cryptofuncs,system-source,afstomp,afmongodb
Enable-Debug: off
Enable-GProf: off
Enable-Memtrace: off
Enable-IPv6: on
Enable-Spoof-Source: on
Enable-TCP-Wrapper: on
Enable-Linux-Caps: off

So i have no other idea to see what is in the background...

Kind regards
Ivan

On 04/21/2016 12:00 PM, Scheidler, Balázs wrote:
the error message clearly says that the port 6514 is already occupied. maybe an old instance of syslog-ng is still running.

try investigating with netstat -antp to see which process keeps that opened.

--
Bazsi

On Thu, Apr 21, 2016 at 11:51 AM, Ivan Adji - Krstev <akivanradix@gmail.com> wrote:
Hi all,
I have update the syslog-ng to 3.8 ( yum remove syslog-ng && yum install syslog-ng ) and change from MySQL to Mongo DB and now when i restart i have the following errors:

Error binding socket; addr='AF_INET(0.0.0.0:6514)', error='Address already in use (98)'
I'm using mutual self certification and the certificates are there in the directories "ca.d"  "cert.d". Do i have to re-create all the certificates now or can i fix this somehow.

P.S. This problem i have on the Syslog-NG Server, they all send messages to this server. So if i have to change the certificate here i will have to change on the clients too. :(

Any hints on this ?

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Documentation: http://www.balabit.com/support/documentation/?product=syslog-ng
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______________________________________________________________________________
Member info: https://lists.balabit.hu/mailman/listinfo/syslog-ng
Documentation: http://www.balabit.com/support/documentation/?product=syslog-ng
FAQ: http://www.balabit.com/wiki/syslog-ng-faq