As from my previous post. This again is for the IT Team. Was helping them setup and network Monitoring tool.
Here are the step to follow to install OpenNMS.
Step 1: configure the
OpenNMS Repository RPM
]# yum install yum-fastestmirror
Step 2: Install
the Prerequisite Package: Java
To install java
you would download “jdk-7u3-linux-x64.rpm “from http://www.oracle.com/technetwork/java/javase/downloads/jdk-7u3-download-1501626.html
and place it in your current working directory then run bellow command
]$ sudo rpm -ivh jdk-7u3-linux-x64.rpm
Step 2: Install
the Prerequisite Package: PostgreSQL
To install PostgreSQL
follow bellow commands
]$ sudo yum -y install postgresql-server
]# /etc/init.d/postgresql start
]# /sbin/chkconfig postgresql on
Configure PostgreSQL
Locate the
Postgres "data" directory. Often this is /var/lib/pgsql/data and Open
/var/lib/pgsql/data/ postgresql.conf in text editor.
]$ vi /var/lib/pgsql/data/postgresql.conf
Now
uncomment/edit bellow lines as shown
listen_addresses = 'localhost'
max_connections = 256
shared_buffers = 1024
Similarly edit
pg_hba.conf file .In the bottom of
the file, replace “ident”
with “trust” for all.
]# vi /var/lib/pgsql/data/ pg_hba.conf
]# /etc/init.d/postgresql restart
Step 3: Install
the Prerequisite Package: jicmp
]# yum install jicmp
Step 4: Install the OpenNMS Repository RPM
To install
the latest stable release (opennms-repo-stable-rhel6.noarch) on CentOS , you
would run bellow commands
]# yum install opennms
Configure
java for OpenNMS (note: after –s give
the path where java installed).
]# /opt/opennms/bin/runjava –s
/usr/bin/java
]# /opt/opennms/bin/install -dis
Add automatic
startup of opennms in your current
runlevel
]# /sbin/chkconfig opennms on
]# /sbin/service opennms start
To Add a Firewall
Exception for OpenNMS
]# vi /etc/sysconfig/iptables
Now add the
bellow line for giving exception for port 8980
-A INPUT -m state --state NEW -m tcp -p tcp
--dport 8980 -j ACCEPT
]# /sbin/service iptables restart
Now we can connect
to the Web UI of opennms with bellow link
And log in
as
User: admin
Password:
admin
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