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Installation

The installation of PNP will be described in more detail. It is expected that nagios was compiled from source and is located in /usr/local/nagios.
Attention: The description applies to PNP 0.4.14. Hints to the current version can be found here.
Please note that PNP has to be configured after the installation.

Make and more

The installation of PNP is controlled by makefiles. The system is analyzed after invocation of ./configure and the detected values are tranferred to makefiles.

Please unpack PNP as user root:

cd /usr/local/src
wget http://downloads.sourceforge.net/pnp4nagios/pnp-0.4.14.tar.gz
tar -xvzf pnp-0.4.14.tar.gz
cd pnp-0.4.13

./configure is to be called from the directory pnp-<version> (pnp-0.4.14 in our case).

./configure

Some lines run across the screen. The output at the end is important.

*** Configuration summary for pnp 0.4.14 ***

  General Options:
  -------------------------         -------------------
  Nagios user/group:                nagios nagios
  Install directory:                /usr/local/nagios
  HTML Dir:                         /usr/local/nagios/share/pnp
  Config Dir:                       /usr/local/nagios/etc/pnp
  Path to rrdtool:                  /usr/bin/rrdtool (Version 1.2.15)
  RRDs Perl Modules:                FOUND (Version 1.2015)
  RRD Files stored in:              /usr/local/nagios/share/perfdata
  process_perfdata.pl Logfile:      /usr/local/nagios/var/perfdata.log
  Perfdata files (NPCD) stored in:  /usr/local/nagios/var/spool/perfdata/

The paths shown should be checked. If the displayed values aren't correct you can change them calling ./configure with appropriate options.
Attention: “Path to rrdtool” means path including name of binary! If necessary it can be specified using the following syntax:

 ./configure --with-rrdtool=/usr/local/rrdtool-1.2.xx/bin/rrdtool
 ./configure --help 

shows the supported options.

Attention: If Nagios isn't installed under /usr/local/nagios and especially when using preconfigured Nagios packages the use of /configure ----prefix=<Nagios-Home> will most likely NOT be sufficient to install PNP correctly. Please have a careful look at the options at the end of the configure help page!

Example for Icinga

USER=icinga
GROUP=icinga
PREFIX=/usr/local/icinga
./configure \
	--with-nagios-user=$USER \
	--with-nagios-group=$GROUP \
	--prefix=$PREFIX \
	--datarootdir=$PREFIX/share/pnp \
	--with-rrdtool=/usr/bin/rrdtool \
	--sysconfdir=$PREFIX/etc/pnp \
	--with-perfdata-dir=$PREFIX/share/perfdata \
	--with-perfdata-logfile=$PREFIX/var/perfdata.log \
	--with-perfdata-spool-dir=$PREFIX/var/spool/perfdata


Invoking

 make all

compiles the components like NPCD which are written in C

 make install

copies everything to the right places in the file system. The paths were already shows during ./configure.

You can call

 make install-config

optionally. This way config files for process_perfdata.pl and npcd are copied to etc/pnp.

To install the NPCD Init script call

 make install-init

All these steps are combined in

 make fullinstall

Update

The update works the same way as an installation. Please note that you have to call ./configure with the same options you used during the first installation. Please check if you changed anything in the folder share/pnp/templates.dist. Own templates should be placed in share/pnp/templates to avoid being overwritten.
Attention: If you changed config.php then you should save this file before it is overwritten when you execute “make install-config”.

Debian packages

PNP isn't available as an official debian package yet. Sven Velt is working hard to change that.

You will find debian packages on http://www.velt.de/tags/nagios-pnp

The components

After installation some components of PNP were copied to the appropriate places in the file system. These are

the PHP-Files for the web-frontend in

 /usr/local/nagios/share/pnp

the data collector process_perfdata.pl in

 /usr/local/nagios/libexec

sample config files with the suffix -sample in

 /usr/local/nagios/etc/pnp

the config file config.php for the web frontend in

 /usr/local/nagios/etc/pnp

back to contents | configuration

pnp-0.4/install.txt · Last modified: 2009/12/27 13:04 by Joerg Linge
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