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Full Discussion: Site update
Top Forums Shell Programming and Scripting Site update Post 302821153 by rajamadhavan on Friday 14th of June 2013 06:48:03 AM
Old 06-14-2013
Use curl or wget to get the site page locally and compare the files using "diff" or any other compare utiity. There are also some html comparison utilities available in the web.
 
Test Your Knowledge in Computers #815
Difficulty: Medium
In CSS, E[foo] matches an E element with a 'foo' class name.
True or False?

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MRTG-RRD(1)							       mrtg							       MRTG-RRD(1)

NAME
mrtg-rrd - How to use RRDtool with MRTG SYNOPSIS
After using MRTG for some time you may find some limitations. Mostly in the areas of performance and graphing flexibility. These are exactly the areas addressed by rrdtool. To learn more about RRDtool check out its website on http://people.ee.ethz.ch/~oetiker/webtools/rrdtool RRDTOOL INTEGRATION
When using mrtg with RRDtool you are replacing rateup with the RRDtool perl module RRDs.pm. To enable RRDtool support in mrtg you have to add the line LogFormat: rrdtool MRTG needs access to both the RRDtool perl module RRDs.pm and to the rrdtool executable. If these two items are not installed in locations where perl can find them on its own, then you can use the following two parameters to supply the appropriate directories. For the location of the rrdtool executable you put PathAdd: /usr/local/rrdtool/bin/ or PathAdd: c: rdtoolin For the location of the perl module it would be: LibAdd: /usr/local/rrdtool/lib/perl/ or LibAdd: c: rdtoolinlibperl When you have made this modification to the configuration file, several things will happen when you run mrtg again with the new config file: 1. mrtg will take all your old ".log" files and convert them to ".rrd" format. (The ".log" files don't get touched in the process, so if things don't work out they are still there.) 2. mrtg will use rrdtool to update its databases. These will have a new format called rrd which is totally different than the native log format of the classic mrtg. 3. mrtg will not create any webpages of graphs anymore. It will only query the routers for traffic information and update its rrd data- bases. The advantage of whole thing is that the mrtg will become much faster. Expect the runtime to drop to 20% of the previous value. (I would like to get some feedback on this from folks with large installations) Mind you though, while the logging process of RRDtool is very fast, you are also gaining some time by neither creating graphs nor updating webpages. The idea behind this is that it is more efficient to create graphs and webpages on demmand. Using a cgi script. At the moment there is no official script to do this, but two contributers have created such scripts: 14all.cgi Was the first program to take over the webpage creation and graphing task. It has been developed by Rainer Bawidamann <Rainer.Baw- idamann@informatik.uni-ulm.de>. You can find a copy on Rainers website: http://www.uni-ulm.de/~rbawidam/mrtg-rrd/ The program comes with its own documentation routers.cgi, servers.cgi and generic.cgi are other cgi frontends to mrtg running with rrdtool. Thier main difference to 14all is, that the web pages it creates are much more stylish than the ones from mrtg. These tools have been written by Steve Shipway <steve.shipway@adsweu.com>. You can find a copy in http://www.cheshire.demon.co.uk/pub/ The scripts comes with their own installation instructions. FUTURE
Just as a side note: MRTG-3 will be based entirely on rrdtool technology. But don't wait for it ... get going now! AUTHOR
Tobias Oetiker <oetiker@ee.ethz.ch> 3rd Berkeley Distribution 2.9.17 MRTG-RRD(1)

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