How To Install Nagvis On Centos 7

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Nagios,Pnp4Nagios & Nagvis installation on centos. This person is a verified professional. Nagios,Pnp4Nagios & Nagvis installation on centos. 20 Steps total Step 1: Installation of apache. Sudo yum install httpd sudo service httpd start. Nagvis: A visualization add-on for the well-known network. Make install. Make install-init. Make install nagios-commandmode. That (hopefully) includes RedHat, Fedora, CentOS, OpenSuSE.

This instructions are meant for a new installation. If you update your old NagVis installation we strongly recommend to make a backup of your NagVis Directory and merge the config files manually.

STEP 0: Prepare System

Make sure your System fits the System requirements.

STEP 1: Download NagVis

Get NagVis, the latest release can be found at

STEP 2: Unpack NagVis

STEP 3: Move the unpacked NagVis directory

Place the NagVis directory tree somewhere on your system. For most case /usr/local/nagvis is the best place.

You should see the following directory listing:

DON'T move any files or folders inside the NagVis directory (in fact you can move, but in this case you have to change/add some parameters and values in the main config file - if everything is left untouched it should run 'out of the box' without changes in the configuration files)

STEP 4: Configure NagVis

Move to new NagVis directory An example main configuration file can be found in etc/nagvis.ini.php-sample. If you like to change some settings, copy this example to etc/nagvis.ini.php. Now you can edit this file with your favourite text editor - I use vi: Most lines in the fresh copied nagvis.ini.php are commented out. If you want to set different settings, you can simply uncomment the line and change its value. For information about the possible values have a look at Main Config Format Description.

STEP 5: Configure webserver

Since NagVis 1.5 it is necessary to configure the webserver to be able to use NagVis. You will find a sample configuration file in etc/apache2-nagvis.conf-sample.

Simply copy the file to the conf.d directory of your webserver. For example this is /etc/apache2/conf.d

Now you need to open that file and edit it to fit your needs. It is important to replace the macros @[email protected] and @[email protected].

In this example you need to replace @[email protected] with /nagvis and @[email protected] with /usr/local/nagvis/share.

STEP 6: Permissions

This is very important for a neatly working installation. First check which unix user account is used to run your webserver (in my case it is wwwrun). If you don't know which user the webserver is running then have a look at the webserver configuration. In case of Apache you can do this by the following command:
Ubuntu SuSE/RedHat/Debian If your configuration file is located at another path you should correct this in the command above. Set the permissions to your NagVis directory (in my case the paths are like this): It's possible to set even lower permissions on the files but for most setups the example should be fine. Only change them if you know what you are doing!

STEP 7: The graphical config tool (WUI)

NagVis has an included web based config tool called WUI. If you want to use it use your browser to open the page: (i.e. http://localhost/nagvis/frontend/index.php).
Hint: If you have some script or popup blockers, disable them for the WUI.

When you see the NagVis image, right click on it, then a context menu should open and now you can configure NagVis and create maps with the WUI.

The Config Tool DOES NOT display the current Nagios states of objects configured. It's only for configuring! To 'use' your configured maps afterwards see STEP 8!

If this doesn't work for you or if you don't want to use the WUI, you can simply edit the map config files in the etc/maps/ directory with your favourite text editor. For valid formats and values have a look at Map Config Format Description.

STEP 8: View the maps

You should now be able to view your defined maps in your browser: (i.e. http://localhost/nagvis/frontend/nagvis-js/?mod=Map&show=europe).

Have fun and please report bugs!

Nagios is the most popular, open source, powerful monitoring system. It enables organizations to identify and resolve IT infrastructure problems before they affect critical business processes. Nagios has the capability of monitoring application, services, entire IT infrastructure.

This is Part-1 of complete article How to Setup Nagios Monitoring Server with NagiosQL on CentOS/RHEL 7/6, In this part, you will find the steps to setup Nagios Monitoring Server on CentOS, Redhat, and Fedora systems.

Step 1 – Install Required Packages

We assume that you have fresh installed CentOS, Red Hat or Fedora systems, So our first requirement is to install Apache and PHP first. Use the following commands to complete it. You can find detailed LAMP setup instruction here.

Install Packages:

Start Services:

Step 2 – Setup User Accounts

Now create a new nagios user account and setup a password to this account

Now create a groud for nagios setup “nagcmd” and add nagios user to this group. Also add nagios user in apache group.

Step 3 – Install Nagios Core Service

After installing the required dependencies and adding user accounts. Let’s start with the Nagios core installation. Download the latest Nagios core service from the official site.

Now use below command to setup Apache configuration for Nagios installation.

Step 4 – Configure Apache Authentication

We need to setup apache authentication for user nagiosadmin. Do not change this username. else you would required more changes in configuration.

Now restart Apache service to make the new settings take effect.

Step 5 – Install Nagios Plugins

After installing and configuring Nagios core service, Download latest nagios-plugins source and install using the following commands.

Now compile and install nagios plugins

Step 6 – Verify and Start Nagios

First, verify the Nagios configuration file using the following command.

If there is no error, let’s start the Nagios serivce

Step 7 – Access Nagios in Web Browser

Nagios creates its own apache configuration file /etc/httpd/conf.d/nagios.conf. There are no need to make any changes to it. Simply open below url in browser.
[change domain name with your domain or ip]

Prompting for Apache Authentication Password –

Nagios After login screen –

Finally, you have successfully installed and configured Nagios core service in your system. Now go to article install NagiosQL3 web interface for managing Nagios.