06-06-2010
Retrieving Information From A Syslog File
Hi,
I have a number of firewalls that send there traffic logs to a syslog server.
Each log entry takes up about 3 lines and the text within the log entry is delimited by a space. There are parts of the three lines that I need from every traffic log entry. I have been using a combination of sed, grep, cut, and sort and uniqe to data mine the information I need.
Up until this point I have been searching for information contained within one line of the three line log entry. How do I pull information from the 1st and 3rd lines of the one log entry??
My understanding is that sed s/ and grep search line by line? Can I configure sed and or grep to search the three lines of each log entry? if this makes sense.
Any advise would be appreciated.
Thanks
Andy
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LEARN ABOUT DEBIAN
log::dispatch::syslog
Log::Dispatch::Syslog(3pm) User Contributed Perl Documentation Log::Dispatch::Syslog(3pm)
NAME
Log::Dispatch::Syslog - Object for logging to system log.
VERSION
version 2.32
SYNOPSIS
use Log::Dispatch;
my $log = Log::Dispatch->new(
outputs => [
[
'Syslog',
min_level => 'info',
ident => 'Yadda yadda'
]
]
);
$log->emerg("Time to die.");
DESCRIPTION
This module provides a simple object for sending messages to the system log (via UNIX syslog calls).
Note that logging may fail if you try to pass UTF-8 characters in the log message. If logging fails and warnings are enabled, the error
message will be output using Perl's "warn".
CONSTRUCTOR
The constructor takes the following parameters in addition to the standard parameters documented in Log::Dispatch::Output:
o ident ($)
This string will be prepended to all messages in the system log. Defaults to $0.
o logopt ($)
A string containing the log options (separated by any separator you like). See the openlog(3) and Sys::Syslog docs for more details.
Defaults to ''.
o facility ($)
Specifies what type of program is doing the logging to the system log. Valid options are 'auth', 'authpriv', 'cron', 'daemon', 'kern',
'local0' through 'local7', 'mail, 'news', 'syslog', 'user', 'uucp'. Defaults to 'user'
o socket ($ or @)
Tells what type of socket to use for sending syslog messages. Valid options are listed in "Sys::Syslog".
If you don't provide this, then we let "Sys::Syslog" simply pick one that works, which is the preferred option, as it makes your code
more portable.
If you pass an array reference, it is dereferenced and passed to "Sys::Syslog::setlogsock()".
AUTHOR
Dave Rolsky <autarch@urth.org>
COPYRIGHT AND LICENSE
This software is Copyright (c) 2011 by Dave Rolsky.
This is free software, licensed under:
The Artistic License 2.0 (GPL Compatible)
perl v5.14.2 2012-05-25 Log::Dispatch::Syslog(3pm)