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The next step is setting the postgres superuser password and creating an opennms database user with password.Ģ.) Enter the following commands in sequence to set up accounting and DB management for OpenNMSĬreateuser -P opennms (create password for user when prompted)ģ.) Enter the following commands in sequence to set the password for the Postgres superuser: Additionally OpenNMS requires authentication to access the database and these steps are described in this section.ġ.) Firstly initialise the database directory with the following commands in sequence: You can also verify the versions of OpenNMS packages with the command: yum info opennmsīy default, the CentOS package installs but doesn’t initialize the PostgreSQL database directory. The application and underlying folder structure can be found in /opt/opennms/ (Make a note of this as you will need to edit some files in here later on in the process) postgresql-libs: PostgreSQL database from distribution repository postgresql: PostgreSQL database server from distribution repository jdk1.8: Oracle Java SE Development Kit 8 environment from OpenNMS respository opennms-webapp-jetty: OpenNMS web application from OpenNMS repository
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Provisiond, Pollerd and Collectd from OpenNMS repository. opennms-core: OpenNMS core services, e.g. jicmp6 and jicmp: Java bridge to allow sending ICMP messages from OpenNMS repository. opennms: The platform meta package which handles all dependencies from OpenNMS repository. The following packages from the respective repo's will be automatically installed:
Opennms virtualmachine how to#
This section describes how to install the OpenNMS platform as I did on CentOS 7.2įirst install the full OpenNMS application with all dependencies such as PostgreSQL and Java by typing the following and pressing enter: Note: all dependencies for Java and the PostgreSQL database are maintained with the opennms YUM installation package.Īfter configuring the package repository, you are ready to install the OpenNMS packages. The following sections describe how to install OpenNMS on a single system. With the opennms YUM package all dependencies needed for the components mentioned above are maintained. Newts uses an Apache Cassandra database for clustered scalability across large networks. Newts: The highest performance solution. RRDtool: (My personal choice for most small to medium sized networks.) A higher performance, file-based database.
Opennms virtualmachine software#
JRobin: (This is the default choice.) JRobin is included inside OpenNMS and doesn’t require additional software to be installed. Youe also need a time-series database engine to persist long-term performance data: PostgreSQL database version 9.1 or higher Oracle Java SE Development Kit 8 environment
Opennms virtualmachine download#
Internet access to download and verify OpenNMS packages from the YUM package repositories A configured YUM Repository for your platform A server or VM with a minimal and updated clean install of CentOS/RHEL ready for use Some basic understanding of CentOS/RHEL Installing OpenNMS requires the following prerequisites: