Opsview monitoring tool

What is Opesview 
Opesview is an open source network, server and application monitoring tool. It is released under the  GNU General Public License (GPL) version 2. Opsview uses Nagios Core as its monitoring 'engine' and incorporates Nagvis, NagiosGraph, MRTG, NMIS into a single tool. Opsview provides a web user interface that allows system administrators to access monitoring views and configure monitoring settings.

Operating System => RHEL 5.5(centos)

Opsview Installation Steps

Please make sure below packages must be installed on the system

1. libmcrypt
2. mrtg
3. rrdtool-perl
4. rrdtool
5. Mysql*
6. Apache
7. perl*

Note:- if you want to be away from perl dependency issue then please install rpmforge.

 wget ftp://fr2.rpmfind.net/linux/dag/redhat/el5/en/x86_64/dag/RPMS/rpmforge-release-0.3.6-1.el5.rf.x86_64.rpm

else you can also installed Epel repo but if you use this it will through some perl dependency issue.

Epel repositories

Set up EPEL repository  to install any necessary dependancies by downloading and installing the EPEL release package

root@shekhar:~

rpm -ivh http://download.fedora.redhat.com/pub/epel/5/i386/epel-release-5-4.noarch.rpm

Opsview repositories

Then, create a repo file /etc/yum.repos.d/opsview.repo containing the following lines:

[opsview]
name = Opsview
baseurl = http://downloads.opsera.com/opsview-community/latest/yum/centos/5Server/

enabled = 1
protect = 0
gpgcheck = 0

once this is done now install opsview

root@shekhar:~# yum install opsview

Post-installation steps

After the Opsview packages have been installed, it is necessary to configure Opsview and its databases.  

1. The rest of the steps should be performed as the nagios user

root@shekhar:~#su - nagios

2. Edit the opsview configuration file and amend the password as you see fit to secure the system (those passwords that should be changed as set to changeme by default)

nagios@shekhar:~$ vim /usr/local/nagios/etc/opsview.conf # change passwords 
in this file

3. Set up the Opsview mysql database users with the necessary permissions

nagios@shekhar:~$ /usr/local/nagios/bin/db_mysql -u root -p{password}

4. Install the required databases

nagios@shekhar:~$ /usr/local/nagios/bin/db_opsview db_install
nagios@shekhar:~$ /usr/local/nagios/bin/db_runtime db_install
nagios@shekhar:~$ /usr/local/nagios/bin/db_odw db_install 

5. Generate all the necessary configuration files for Opsview and Nagios Core to run

nagios@shekhar:~$ /usr/local/nagios/bin/rc.opsview gen_config

6. Switch to Root then You can now startup the web application server:

 
root@shekhar:~$ su - root
root@shekhar:~# /etc/init.d/opsview-web start

The Opsview serviceis now listening on port 3000, i.e. http://serverip:3000/

4. As root, restart Apache

root@shekhar:~# /etc/init.d/httpd restart

You can now access Opsview at http://serverip:3000

Login as Admin user using below credentials.

username: admin
password: initial