How to Install Nagios on openSUSE 13 Linux

Nagios openSUSE 13 Install

Welcome, openSUSE User! The Tutorial shows you Step-by-Step How to Install Nagios 4.x on openSUSE 13.x Desktop.

First, Latest Nagios for openSUSE is a Powerful Monitoring System that enables Organizations to Identify and Resolve IT Infrastructure Problems before they affect Critical Business Processes.

Moreover, the Nagios Workflow Management Features are:

• Monitoring: IT staff configure Nagios to monitor critical IT infrastructure components
• Alerting: Nagios sends alerts when critical infrastructure components fail and recover
• Response: IT staff can acknowledge alerts and begin resolving outages and investigating security alerts immediately
• Reporting: Reports provide a historical record of outages, events, notifications, and alert response for later review
• Maintenance: Scheduled downtime prevents alerts during scheduled maintenance and upgrade windows
• Planning: Trending and capacity planning graphs and reports allow you to identify necessary infrastructure upgrades before failures occur.

1. Open Console Terminal Shell emulator window
   (Press “Enter” to Execute Commands)

   

   In case first see: Terminal QuickStart Guide.

2. Installing Apache & PHP 7.

   sudo su

   sudo zypper in httpd php7 php7-gd

   a2enmod php7

3. Install other Required Packages.

   sudo zypper in gcc glibc gd gd-devel nano

4. Adding nagios User and Groups
   Add the nagios User:

   useradd nagios

   Make the nagios Group:

   groupadd nagios

   Add the nagios user to the group:

   /usr/sbin/usermod -G nagios nagios

   Create a new nagcmd group for allowing external commands to be submitted through the web interface:

   groupadd nagcmd

   Add both the nagios & apache users to the Group:

   usermod -a -G nagcmd nagios

   usermod -a -G nagcmd root

   Last Achieve the SuperUser Session:

   exit

5. Download Latest Nagios Core Linux Source

   Nagios Core tar.gz Archive

   Nagios Core

6. Double-Click and Extract Nagios Core into /tmp.

   

   Or from Command Line:

   tar zxvf ~/Downloads/nagios*.tar.gz -C /tmp/

7. Compiling and Installing Nagios Core on Linux Mint.

   cd /tmp/nagios*

   ./configure --with-command-group=nagcmd

   make all

   sudo su

   If Got “User is Not in Sudoers file” then see: How to Enable sudo

   make install

   make install-init

   make install-config

   make install-commandmode

8. Installing Nagios Core Web Interface.

   mkdir -p /etc/httpd/conf.d/nagios.conf

   make install-webconf

9. Post-Installation Configuration.

   cp -R contrib/eventhandlers/ /usr/local/nagios/libexec/

   chown -R nagios:nagcmd /usr/local/nagios/libexec/eventhandlers

10. Checking Nagios Installation.

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

11. Enabling the Web Interface on Apache.

    /usr/bin/install -c -m 644 sample-config/httpd.conf /etc/apache2/conf.d/nagios.conf

    a2enmod version

    systemctl restart apache2

12. Starting Nagios.

    /usr/local/nagios/bin/nagios -d /usr/local/nagios/etc/nagios.cfg

    Should be potential to Start it also by systemctl…

13. Create a nagiosadmin Web User with Pass.

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

    Take Note of the Password!

    exit

14. Access the Nagios Web Interface.

    http://localhost/nagios

    User: ‘nagiosadmin’
    Pass: ThePass

15. Download and Install Nagios Plugins

    Nagios Plugins Installation

    Nagios Plugins Setup