How to Install Nagios on openSUSE Leap 42 Linux

April 6, 2017 | By the+gnu+linux+evangelist | Filed in: Tutorial.

Nagios openSUSE 42 Leap Install

Welcome openSUSE User! The Tutorial Shows You Step-by-Step How to Install Nagios 4.x on openSUSE 42.x Leap 32/64-bit 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.

Furthermore, 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.
How to Install Nagios on openSUSE Leap 42 - Featured
  1. Open Console Terminal Shell emulator window
    (Press “Enter” to Execute Commands)

    How to Install Nagios on openSUSE Leap 42 - Kde openSUSE Open Terminal
  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:

  5. Download Latest Nagios Core Linux Source

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

    How to Install Nagios on openSUSE Leap 42 - Extracting Nagios

    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!

  14. Access the Nagios Web Interface


    User: ‘nagiosadmin’
    Pass: ThePass

  15. Download and Install Nagios Plugins

    Nagios Plugins Installation

How to Install Nagios on openSUSE Leap 42 - Nagios Web Interface

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