setting up syslog server on an OS X network

Posted on 2015-01-25
Medium Priority
Last Modified: 2015-01-27
I have 4 OS X devices (2 iMacs, 3 Mac Minis)  that I believe I have configured the /etc/syslog.conf to send their logs to my syslog server (IP but I'm not seeing any logs going to the host. I must be missing something. I have rebooted all of systems just incase I didn't stop / start syslog correctly.

Clients all have:
imac:~ $ cat /etc/syslog.conf
# Note that flat file logs are now configured in /etc/asl.conf

install.*						@
*.*							@

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Server has:
syslog:~$ cat /etc/syslog.conf
# Note that flat file logs are now configured in /etc/asl.conf

install.*						@

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Question by:bs98909
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LVL 18

Accepted Solution

Simon earned 1500 total points
ID: 40570094
Have you:
Used TAB characters to separate The selector and action fields in syslog.conf?

Checked that data is being sent from the workstation to the server using tcpdump?
         sudo tcpdump -i en1 host and udp port 514

Allowed the traffic from the workstations through the firewall(s)?

Try Googling "osx send syslog to server" for more details.

Author Comment

ID: 40572912
I have confirmed via "od" that intact there are tabs on the line. and the tcpdump has been running for about 24 hours and NADA.

I just got off the phone with Alex from apple support. He doesn't believe that the normal OS X can send logs only the Server can. That seems odd to me. His suggestion is to allow for file sharing and have the server mount the /var for all the systems I want to monitor.

Well being a Solaris and Linux guy, I think that is all hewey!

Apple now uses "asl" which seems to allow applications to log data. I don't know if it is asl that now needs to be configured. I'm not finding much on that.

Author Closing Comment

ID: 40573095
I retraced the steps from the Splunk page: http://wiki.splunk.com/Community:HowTo_Configure_Mac_OS_X_Syslog_To_Forward_Data

I now can see the data leaving, so the syslog for the client is working!

not a clue why it didn't work the first two times — but third time is a charm.

Thank you
LVL 18

Expert Comment

ID: 40573192
> being a Solaris and Linux guy, I think that is all hewey!
lol :)

Glad you persevered and made it work.

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