OpenNMS separation database

1.  Detach database 1.1  To configure OpenNMS file 1. We need to be in OpenNMS Revision in China datasource data source , stay OpenNMS In the following directory :

/opt/opennms/etc/opennms-datasources.xml

2. take localhost Change to database host IP address

<jdbc-data-source name="opennms"

                    database-name="opennms"

                    class-name="org.postgresql.Driver"                    url="jdbc:postgresql:// Database host IP:5432/opennms"

                    user-name="opennms"

                    password="opennms" />

Before the change :

After modification :

1.2    install PostgreSQL database 1. install PostgreSql database

yum install postgresql postgresql-server command , The system automatically downloads postgreSQL install .

2. First start PostgreSQL

With root Identity run command ：

/sbin/service postgresql start

3. If you see a mistake , You must initialize PostgreSQL, Run the following command ：

/sbin/service postgresql initdb

 /sbin/service postgresql start

4. In order to ensure that PostgreSQL Will start after restart , Use “chkconfig Of ” The command starts at startup , Run the following command ：

/sbin/chkconfig postgresql on

1.2.1 Configuration allows users to access the database 1. find /var/lib/pgsql/data/pg_hba.conf The content is ：

ident—>trust

It is amended as follows

that will do .

2. find /var/lib/pgsql/data/postgresql.conf Modify the following

listen_addresses = '*'

#port = 5432    Get rid of ”#” Number

3. After the modification , You need to restart the database , With root Identity running ：

/sbin/service postgresql restart

1.3  test stay OpenNMS Test in the host to separate PostgreSql database

1. use putty Sign in OpenNMS host

2. perform psql -h Database host IP -U opennms -d opennms

3. view the database

Carry out orders   \l

To view the user

Carry out orders \du

sign out

Carry out orders \q

The above test instructions can be found in OpenNMS Successfully connected to the detached database on the host

1.4  Execute... On the client side sql sentence : 1. stay /opt/opennms/etc Under the table of contents

Restart after execution OpenNMS