Nagios Quick-Start on Linux Kubuntu 16.04 Xenial LTS

April 5, 2017 | By the+gnu+linux+evangelist | Filed in: Tutorial.

Getting-Started with Nagios on Kubuntu 16.04 Xenial LTS

Hello Kubuntu User! The Tutorial shows you Step-by-Step How to Install and Getting-Started with Nagios 4 Monitoring System for Linux Kubuntu 16.04 Xenial Xerus LTS Desktop.

First, Nagios 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.
Nagios Quick Start on Linux Kubuntu 16.04 Xenial LTS - Featured
  1. Open a Shell Terminal emulator window
    Start Typing ‘term’ on Desktop.
    (Press “Enter” to Execute Commands)

    Installing Nagios Core on Linux Kubuntu 16.04 Xenial LTS - Open Terminal
  2. Install the Required Packages.

    sudo su

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

    apt install php7.0-gd libgd2-xpm-dev build-essential 
    apache2 libapache2-mod-php7.0
  3. 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 www-data

    Last Achieve the SuperUser Session:

  4. Download Latest Nagios Core Linux Source

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

    Getting-Started with Nagios Core for Linux Kubuntu 16.04 Xenial LTS - Extracting Nagios

    Or from Command Line:

    tar zxvf ~/Downloads/nagios*.tar.gz -C /tmp/
  6. Compiling and Installing Nagios Core on Linux Kubuntu.

    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
  7. Installing Nagios Core Web Interface.

    mkdir -p /etc/httpd/conf.d/nagios.conf
    make install-webconf
  8. Post-Installation Configuration.

    cp -R contrib/eventhandlers/ /usr/local/nagios/libexec/
    chown -R nagios:nagcmd /usr/local/nagios/libexec/eventhandlers
  9. Checking Nagios Installation.

    /usr/local/nagios/bin/nagios -v /usr/local/nagios/etc/nagios.cfg
  10. Enabling the Web Interface on Apache.

    /usr/bin/install -c -m 644 sample-config/httpd.conf /etc/apache2/sites-enabled/nagios.conf
    a2enmod cgi
    service apache2 restart
  11. Starting Nagios.

    /etc/init.d/nagios start
  12. Create a nagiosadmin Web User with Pass.

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

    Take Note of the Password!

  13. Access the Nagios Web Interface.


    User: ‘nagiosadmin’
    Pass: That You Setup Before

  14. Download and Install Nagios Plugins

    Nagios Plugins Installation

Nagios 4 Quick Start on Linux Kubuntu 16.04 Xenial LTS - Nagios Web Interface

Tags: , , , , , , , , , , , , , , , ,

QuickChic Theme • Powered by WordPress