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Top Forums Shell Programming and Scripting Getting last section of data from logfile Post 302739479 by Jotne on Tuesday 4th of December 2012 08:58:08 AM
Old 12-04-2012
Yes, your solution works Smilie
But prefer not to use perl


Code:
awk '/Opened log file/ {i=NR} END {for (x=i;x>i;i++) {print $NR}}' munin-update.log

This does not work, but it should be some like it.
Find last hits, by setting i to NR
Then print all record form i and out

Last edited by Jotne; 12-04-2012 at 10:10 AM..
 

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MUNIN-UPDATE(8) 						Munin Documentation						   MUNIN-UPDATE(8)

NAME
munin-update - A program to gather data from machines running munin-node SYNOPSIS
munin-update [options] Options: --config_file=<file> Use <file> as configuration file. --[no]debug Enable [or disable] debug messages. [--nodebug] --[no]fork Query hosts in parallell (--fork), or sequentially (--nofork). [--fork] --host <host> Limit graphed hosts to <host>. Multiple --host options may be supplied. --service <service> Limit graphed services to <service>. Multiple --service options may be supplied. --timeout=<seconds> TCP timeout when talking to clients. [$timeout] --help View this message. --version View version information. OPTIONS
--config_file=<file> Use <file> as the configuration file. [/etc/munin/munin.conf] --[no]debug If set, log debug messages. [--nodebug] --[no]fork If set, will fork off one process for each host. [--fork] --host <host> Limit fetched data to those from <host<gt>. Multiple --host options may be supplied. [unset] --service <service> Limit fetched data to those of <service>. Multiple --service options may be supplied. [unset] --timeout <seconds> Set the network timeout to <seconds>. [180] --help Print the help message then exit. --version Print version information then exit. DESCRIPTION
Munin-update is a part of the package Munin, which is used in combination with Munin's node. Munin is a group of programs to gather data from Munin's nodes, graph them, create html-pages, and optionally warn Nagios about any off-limit values. Munin-update does the gathering. It is usually only used from within munin-cron. It contacts each host's munin-node in turn, gathers data from it, and stores them in .rrd-files. If necessary, it will create the rrd-files and the directories to store them in. FILES
/etc/munin/munin.conf /var/lib/munin/* /var/log/munin/munin-update /var/run/munin/* BUGS
For a list of bugs concerning munin-update, see FI. ticket report" Please report bugs in the bug tracker at http://munin-monitoring.org/ <http://munin-monitoring.org/>. AUTHORS
The Munin Team. FIX COPYRIGHT
Copyright AX 2002-2009 Jimmy Olsen, Audun Ytterdal, Tore Andersson, Kjell-Magne A~Xierud, Linpro AS, Redpill Linpro AS This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. This program is released under the GNU General Public License. 2.0.6-4+deb7u2 2013-11-12 MUNIN-UPDATE(8)
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