How to install Nagios 3.2.2 from source in Opensuse 11.3

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Nagios is a popular open source computer system and network monitoring software application. It watches hosts and services, alerting users when things go wrong and again when they get better.

Nagios was originally designed to run under Linux, but also runs well on other Unix variants. It is free software, licensed under the terms of the GNU General Public License version 2 as published by the Free Software Foundation.

Before to start, if you want to install Nagios in fedora ,RHEL or centos please read our previous tutorial,Also you can check How to install Nagios in ubuntu 9.x and 10. xand How to install nagios3 in LinuxMint debian based.

I- Install Apache, PHP  and  some  needed  libraries

• First we will install apache , php and needed librairies

zypper install rrdtool php5 php5-gd php5-zlib apache2-mod_php5 perl-SNMP  net-snmp-32bit nmap ncpfs libwavpack1 apache2

• Now add   nagios user  to the system

 sudo useradd -m nagios

• Create  a  nagios  home  directory ( is  requiered  to  start nagios)

mkdir  -p  /home/nagios

• Create  password  for  nagios user

 sudo passwd nagios

• Add gorup nagcmd

 sudo groupadd nagcmd

• Add users nagios to group nagcmd  and  nagios  group

sudo usermod  -G nagcmd nagios

II- Install and Configure Nagios :

• First download  the latest  core  nagios  from nagios  website

• Now install the Nagios tarballs that we downloaded previously:

 tar -xvf nagios-3.2.2.tar.gz

• Then cd the the extracted folder and install

 cd nagios-3.2.2
 sudo ./configure -with-command-group=nagcmd
 sudo make all
 sudo make install

• This installs the init script in /etc/rc.d

 sudo make install-init

• This installs sample config files in /usr/local/nagios/etc

 sudo make install-config

•  This installs and configures permissions on the directory for holding the external command file

sudo make install-commandmode

Output:
linux-gysk:/home/pirat9/Downloads/nagios-3.2.2 # make install-webconf
/usr/bin/install -c -m 644 sample-config/httpd.conf /etc/apache2/conf.d/nagios.conf

*** Nagios/Apache conf file installed ***

• Make  a webadmin password for  nagios  admin

htpasswd2 -c /usr/local/nagios/etc/htpasswd.users nagiosadmin

Output

New password:
Re-type new password:
Adding password for user nagiosadmin

• Restart   your  apache  server

sudo /etc/init.d/apache2 restart

III-Install Nagios Plugins :

Now we have to install Nagios plugins, first download the file from nagios website, then extract it using the command :

tar -xvf nagios-plugins-1.4.15.tar.gz
 cd nagios-plugins-1.4.15
 sudo ./configure --with-user=nagios --with-group=nagcmd

sudo make
sudo make install

• Verify the config:

sudo /usr/local/nagios/bin/nagios -v /usr/local/nagios/etc/nagios.cfg

Output :

Nagios Core 3.2.2
Copyright (c) 2009-2010 Nagios Core Development Team and Community Contributors
Copyright (c) 1999-2009 Ethan Galstad
Last Modified: 09-01-2010
License: GPL

Website: http://www.nagios.org
Reading configuration data…
Read main config file okay…
Processing object config file ‘/usr/local/nagios/etc/objects/commands.cfg’…
Processing object config file ‘/usr/local/nagios/etc/objects/contacts.cfg’…
Processing object config file ‘/usr/local/nagios/etc/objects/timeperiods.cfg’…
Processing object config file ‘/usr/local/nagios/etc/objects/templates.cfg’…
Processing object config file ‘/usr/local/nagios/etc/objects/localhost.cfg’…
Read object config files okay…

Running pre-flight check on configuration data…

Checking services…
Checked 8 services.
Checking hosts…
Checked 1 hosts.
Checking host groups…
Checked 1 host groups.
Checking service groups…
Checked 0 service groups.
Checking contacts…
Checked 1 contacts.
Checking contact groups…
Checked 1 contact groups.
Checking service escalations…
Checked 0 service escalations.
Checking service dependencies…
Checked 0 service dependencies.
Checking host escalations…
Checked 0 host escalations.
Checking host dependencies…
Checked 0 host dependencies.
Checking commands…
Checked 24 commands.
Checking time periods…
Checked 5 time periods.
Checking for circular paths between hosts…
Checking for circular host and service dependencies…
Checking global event handlers…
Checking obsessive compulsive processor commands…
Checking misc settings…

Total Warnings: 0
Total Errors:   0

Things look okay – No serious problems were detected during the pre-flight check
linux-324i:/home/pirat9/Downloads/nagios-plugins-1.4.15 #

• Restart   Nagios

sudo /etc/init.d/nagios restart

And You  are  done.

• Now you are ready to use Nagios, open your browser and type :

   http://hostname/nagios or http://ip/nagios  

{loadposition user9}

Related posts:

1. How to install Nagios in ubuntu 9.x and 10.x
2. Add Linux host to nagios server
3. How to install nagios in RHEL|Centos|Fedora
4. Upgrade nagios from 3.1.0 to 3.2.0
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