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Full Discussion: UNIX - AIX - Syslog messages
Operating Systems AIX UNIX - AIX - Syslog messages Post 302949201 by MichaelFelt on Wednesday 8th of July 2015 05:18:10 AM
Old 07-08-2015
If you want to know what applications are posting some 'wildcard' entries can help with that.
Below I have commented out all applications at 'debug' level - which is everything. Instead I collect everything at info level - except for local4 (which is used by ipsec logging) - I leave that one at debug level.

Code:
# *.debug;local4.none   /var/log/syslog/blockip.log 
*.info;local4.none      /var/log/syslog/blockip.log 
local4.debug    /var/log/syslog/local4.log

Looking at the combined log you can see which facility is concerned, as well as the severity of the message. From this you can decide how to accommodate different facilities in separate files and/or with differing severity.
Code:
michael@x071:[/var/log/syslog]tail blockip.log
Jul  8 09:00:00 x071 mail:warn|warning sendmail[8913086]: gethostbyaddr(IPv6:::1) failed: 1
Jul  8 09:00:00 x071 mail:info sendmail[8913086]: t689004j8913086: from=daemon, size=1131, class=0, nrcpts=1, msgid=<201507080900.t689004j8913086@aixtools.com>, relay=root@localhost
Jul  8 09:00:00 x071 mail:info sendmail[9371720]: t689004j8913086: to=michael, ctladdr=daemon (1/1), delay=00:00:00, xdelay=00:00:00, mailer=local, pri=121131, dsn=2.0.0, stat=Sent
Jul  8 09:00:10 x071 user:info syslog: /etc/ifconfig -a
Jul  8 09:00:28 x071 auth|security:info sshd[5964030]: Accepted publickey for michael from 192.168.129.5 port 64940 ssh2: DSA SHA256:eOZ7yejpirXRJDLw99kR2AzZzuj/o/KNJGd9r70EHds
Jul  8 09:04:57 x071 mail:info pop3d[9109536]: Moved 1407 bytes of new mail to /home/michael/mbox from /var/spool/mail/michael host= x005.home.local [192.168.129.5]
Jul  8 09:04:57 x071 mail:info pop3d[9109536]: Auth user=michael host=x005.home.local [192.168.129.5] nmsgs=1/1
Jul  8 09:04:57 x071 mail:info pop3d[9109536]: Logout user=michael host=x005.home.local [192.168.129.5] nmsgs=0 ndele=1
Jul  8 09:09:33 x071 auth|security:crit su: BAD SU from michael to root at /dev/pts/1
Jul  8 09:09:38 x071 auth|security:notice su: from michael to root at /dev/pts/1

Finally, an easy way to know how syslog is currently running is the command
Code:
michael@x071:[/var/log/syslog]lssrc -s syslogd -l

With, e.g., the following result
Code:
Subsystem         Group            PID          Status 
 syslogd          ras              3407976      active
Syslogd Config   *.info;local4.none     /var/log/syslog/blockip.log  
Syslogd Config   local4.debug   /var/log/syslog/local4.log  
Syslogd Config   local1.debug   /var/log/syslog/local1.log  
Syslogd Config   user.warn      /var/log/httpd/rootvg/user.log 
Syslogd Config   mail.info      /var/log/syslog/mail.log rotate size 250k files 4 
Syslogd Config   aso.notice /var/log/aso/aso.log rotate size 1m files 8 compress 
Syslogd Config   aso.info /var/log/aso/aso_process.log rotate size 1m files 8 com 
Syslogd Config   aso.debug /var/log/aso/aso_debug.log rotate size 32m files 8 com

 

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LEARN ABOUT DEBIAN

log::agent::driver::syslog

Agent::Driver::Syslog(3pm)				User Contributed Perl Documentation				Agent::Driver::Syslog(3pm)

NAME

       Log::Agent::Driver::Syslog - syslog logging driver for Log::Agent

SYNOPSIS

	use Log::Agent;
	require Log::Agent::Driver::Syslog;

	my $driver = Log::Agent::Driver::Syslog->make(
	    -prefix	=> prefix,
	    -facility	=> "user",
	    -showpid	=> 1,
	    -socktype	=> "unix",
	    -logopt	=> "ndelay",
	);
	logconfig(-driver => $driver);

DESCRIPTION

       The syslog logging driver delegates logxxx() operations to syslog() via the Sys::Syslog(3) interface.

       The creation routine make() takes the following switches:

       "-facility" => facility
	   Tell syslog() which facility to use (e.g. "user", "auth", "daemon").  Unlike the Sys::Syslog(3) interface, the facility is set once and
	   for all: every logging message will use the same facility.

	   If you wish to log something to "auth" for instance, then do so via Sys::Syslog directly: there is no guarantee that the application
	   will configure its Log::Agent to use syslog anyway!

       "-logopt" => syslog options
	   Specifies logging options, under the form of a string containing zero or more of the words ndelay, cons or nowait.

       "-prefix" => prefix
	   The prefix here is syslog's identification string.

       "-showpid" => flag
	   Set to true to have the PID of the process logged. It is false by default.

       "-socktype" => (unix | inet)
	   Specifies the logging socket type to use. The default behaviour is to use Sys:Syslog's default.

CHANNELS

       All the channels go to syslog(), of course.

AUTHOR

       Raphael Manfredi <Raphael_Manfredi@pobox.com>

SEE ALSO

       Log::Agent::Driver(3), Log::Agent::Channel::Syslog(3).

perl v5.10.0							    2002-03-09						Agent::Driver::Syslog(3pm)
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