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Full Discussion: Pulling out entries from file based on IP - awk
Top Forums Shell Programming and Scripting Pulling out entries from file based on IP - awk Post 302785103 by SkySmart on Sunday 24th of March 2013 07:59:16 PM
Old 03-24-2013
Pulling out entries from file based on IP - awk
i have several lines in a file that looks like this:


Code:
2013-03-23 19:02:33,122 DiscoverManager [Discover-15] WeblogicApplication-10.111.112.119-7400 FAILURE

i'm monitoring this file for strings that contain FAILURE. but i've been getting a lot of alerts that just aren't actionable. so i need another way around this.

each line has an IP and a port number, which is what i bolded above. i'm wondering, is there a way to do something like this:
  • if 10 or more entries for any specific IP are found in the log, AND each of the entry is for different port numbers, then alert?

my problem is, there isn't a list of known IPs or ports. any IP can be thrown in the file. so i'm curious if what i'm thinking is possible? i'm guessing awk can be used for this?

i was using a variation of this command to get a count:

Code:
awk '/FAILURE/ && /FAILURE/ {++c}c>=10 -1{o=$0 RS $0 RS $0; print o; c=0}' file

and i was using this to show me the actual offending lines from the file:

Code:
awk '/FAILURE/ && /FAILURE/' file

Last edited by SkySmart; 03-25-2013 at 07:32 AM..
 

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LEARN ABOUT DEBIAN

empty-page

EMPTY-PAGE(1)							 ExactImage Manual						     EMPTY-PAGE(1)

NAME

       empty-page - empty page detector of the ExactImage toolkit

SYNOPSIS

       empty-page [option...] {-i | --input} input-file

       empty-page {-h | --help}

DESCRIPTION

       ExactImage is a fast C++ image processing library. Unlike many other library frameworks it allows operation in several color spaces and bit
       depths natively, resulting in low memory and computational requirements.

       empty-page counts dark pixels of a black and white image and decides with a threshold whether the page is most probably empty, and thus can
       be removed from the image processing stream.

OPTIONS

       -i file, --input file
	   Read image from the specified file.

       -m n, --margin n
	   Set width of border margin to skip. For speed reasons, the margin has to be a multiple of 8. The default is 16.

       -p x, --percentage x
	   Set fraction of permissible dark pixels. The default is 0.05 (5%).

       -h, --help
	   Display help text and exit.

EXAMPLES

	   $ empty-page -i test.tif
	   The image has 75461 dark pixels from a total of 1060992 (7.11231%).
	   non-empty

EXIT STATUS

       The exit status is 0 if the image is mostly white, 1 otherwise.

SEE ALSO

       exactimage(7)

AUTHORS

       Jakub Wilk <jwilk@debian.org>
	   Wrote this manual page for the Debian system.

       http://www.exactcode.de/site/open_source/exactimage/
	   This manual page incorporates texts found on the ExactImage homepage.

COPYRIGHT

       This manual page was written for the Debian system (and may be used by others).

       Permission is granted to copy, distribute and/or modify this document under the terms of the GNU General Public License, Version 2 or (at
       your option) any later version published by the Free Software Foundation.

       On Debian systems, the complete text of the GNU General Public License can be found in /usr/share/common-licenses/GPL-2.

empty-page							    09/09/2013							     EMPTY-PAGE(1)
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