Restore OpenNMS Meridian

This section describes a basic restore process for a default OpenNMS Meridian installation. OpenNMS Meridian binaries, logs, RRD archives, configurations and the database will be restored.

In this example the backup storage path is /tmp for demonstration purposes. Please be aware that /tmp is not persisted, as most operating systems will delete the content at bootup.


  • Restore backup of OpenNMS Meridian components

  • Install PostgreSQL database and restore backup

  • Install OpenJDK

  • Create systemd OpenNMS service unit


  • The backups that were made in

  • System user with administrative permissions (sudo)

  • Internet access to download and install OpenJDK and PostgreSQL NOTE: PostgreSQL archive repository provides also older PostgreSQL versions

  • Database password for opennms and postgres user

Restore backups