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# Install some tools
yum -y install net-tools wget htop iftop sysstat tcpdump vim git tar unzip psmisc
# Additional packages
yum -y install net-snmp-utils net-snmp
yum -y install bind-utils mailx
# Install OpenNMS repository
rpm -Uvh http://yum.opennms.org/repofiles/opennms-repo-stable-rhel7.noarch.rpm
rpm --import http://yum.opennms.org/OPENNMS-GPG-KEY
# Install OpenNMS without any setup
yum -y install rrdtool
yum -y install opennms
yum -y install jrrd2
yum clean all
# Set Java
/opt/opennms/bin/runjava -s
# Initialize PostgreSQL database
postgresql-setup initdb
# Set authentication from ident to md5
sed -i 's/all 127\.0\.0\.1\/32 ident/all 127.0.0.1\/32 md5/g' /var/lib/pgsql/data/pg_hba.conf
sed -i 's/all ::1\/128 ident/all ::1\/128 md5/g' /var/lib/pgsql/data/pg_hba.conf
# Enable and start PostgreSQL with systemd
systemctl start postgresql
systemctl enable postgresql
# Create opennms user with password and database
sudo -u postgres psql -c "CREATE USER opennms WITH PASSWORD 'opennms';"
sudo -u postgres psql -c "CREATE DATABASE opennms;"
sudo -u postgres psql -c "GRANT ALL PRIVILEGES ON DATABASE opennms to opennms;"
# Create OpenNMS database configuration
printf '<?xml version="1.0" encoding="UTF-8"?>
<datasource-configuration>
<connection-pool factory="org.opennms.core.db.C3P0ConnectionFactory"
idleTimeout="600"
loginTimeout="3"
minPool="50"
maxPool="50"
maxSize="50" />
<jdbc-data-source name="opennms"
database-name="opennms"
class-name="org.postgresql.Driver"
url="jdbc:postgresql://localhost:5432/opennms"
user-name="%s"
password="%s" />
<jdbc-data-source name="opennms-admin"
database-name="template1"
class-name="org.postgresql.Driver"
url="jdbc:postgresql://localhost:5432/template1"
user-name="%s"
password="%s" />
</datasource-configuration>' opennms opennms opennms opennms \
> /opt/opennms/etc/opennms-datasources.xml
# Initialize OpenNMS database schema
/opt/opennms/bin/install -dis
echo "org.opennms.rrd.storeByForeignSource=true" >> /opt/opennms/etc/opennms.properties
# Configure OpenNMS to use RRDtool
echo "org.opennms.rrd.strategyClass=org.opennms.netmgt.rrd.rrdtool.MultithreadedJniRrdStrategy" >> /opt/opennms/etc/rrd-configuration.properties
echo "org.opennms.rrd.interfaceJar=/usr/share/java/jrrd2.jar" >> /opt/opennms/etc/rrd-configuration.properties
echo "opennms.library.jrrd2=/usr/lib64/libjrrd2.so" >> /opt/opennms/etc/rrd-configuration.properties
# Enable and start OpenNMS with systemd
systemctl start opennms
systemctl enable opennms
firewall-cmd --zone=public --permanent --add-port=8980/tcp