Zabbix Template and PERL Script for Monitoring Apache2 Post: 302296128

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Special Forums UNIX and Linux Applications Infrastructure Monitoring Zabbix Template and PERL Script for Monitoring Apache2 Post 302296128 by Neo on Tuesday 10th of March 2009 12:14:51 PM

03-10-2009

Administrator

Version 2: Zabbix Template and PERL Script for Monitoring Apache2

Based on a recommendation at the Zabbix forums, we updated this Zabbix template and PERL script we are using to monitor our Apache2 server.

Here are the entries for zabbix_agentd.conf

Code:

UserParameter=apache2.total_accesses,cut -f1 -d":" /tmp/apache_data.txt
UserParameter=apache2.total_kbytes,cut -f2 -d":" /tmp/apache_data.txt
UserParameter=apache2.cpuload,cut -f3 -d":" /tmp/apache_data.txt
UserParameter=apache2.uptime,cut -f4 -d":" /tmp/apache_data.txt
UserParameter=apache2.reqpersec,cut -f5 -d":" /tmp/apache_data.txt
UserParameter=apache2.bytespersec,cut -f6 -d":" /tmp/apache_data.txt
UserParameter=apache2.bytesperreq,cut -f7 -d":" /tmp/apache_data.txt
UserParameter=apache2.busyworkers,cut -f8 -d":" /tmp/apache_data.txt
UserParameter=apache2.idleworkers,cut -f9 -d":" /tmp/apache_data.txt
UserParameter=apache2.totalworkers,cut -f10 -d":" /tmp/apache_data.txt

Basically, we have moved the PERL script to a crontab running every minute and we then write the results to a /tmp file. Then the Zabbix agent reads the data from the file instead of calling the PERL script 10 times. This is more efficient.

Also, we change the template to update every 60 seconds instead of 30 seconds to match the crontab entry.

Files attached. If you have any questions, please post here.

zabbix_apache2.cron.pl (1.5 KB)

zabbix_apache2_v2.xml (6.3 KB)

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LEARN ABOUT LINUX

a2dismod

A2ENMOD(8)                                                    System Manager's Manual                                                   A2ENMOD(8)

NAME

       a2enmod, a2dismod - enable or disable an apache2 module

SYNOPSIS

       a2enmod [ [-q|--quiet] module]

       a2dismod [ [-q|--quiet] module]

DESCRIPTION

       This manual page documents briefly the a2enmod and a2dismod commands.

       a2enmod  is  a  script  that  enables  the  specified  module  within  the apache2 configuration.  It does this by creating symlinks within
       /etc/apache2/mods-enabled.  Likewise, a2dismod disables a module by removing those symlinks.  It is not an error to enable a  module  which
       is already enabled, or to disable one which is already disabled.

       Note  that many modules have, in addition to a .load file, an associated .conf file.  Enabling the module puts the configuration directives
       in the .conf file as directives into the main server context of apache2.

OPTIONS

       -q, --quiet
              Don't show informative messages.

       -m, --maintmode
              Enables the maintainer mode, that is the program invocation is effectuated automatically by a maintainer script. This switch  should
              not be used by end users.

       -p, --purge
              When disabling a module, purge all traces of the module in the internal state data base.

EXIT STATUS

       a2enmod and a2dismod exit with status 0 if all modules are processed successfully, 1 if errors occur, 2 if an invalid option was used.

EXAMPLES

              a2enmod imagemap
              a2dismod mime_magic

       Enables the mod_imagemap module, and disables the mod_mime_magic module.

FILES

       /etc/apache2/mods-available
              Directory with files giving information on available modules.

       /etc/apache2/mods-enabled
              Directory with links to the files in mods-available for enabled modules.

SEE ALSO

       apache2ctl(8), a2enconf(8), a2disconf(8).

AUTHOR

       This  manual  page  was written by Daniel Stone <daniel@sfarc.net> for the Debian GNU/Linux distribution, as it is a Debian-specific script
       with the package.

                                                                  12 October 2006                                                       A2ENMOD(8)