The installation script works in the following environments:
Upgrade and Migration Considerations
In general, you can upgrade directly to the latest version of Composer from a prior version.
If you are upgrading to a newer version of Composer and you also want to change your encryption mode, perform the upgrade first and then complete the steps described in Change the Encryption Mode.
Manually upgrading Composer no longer provides the Java Runtime Environment (JRE) needed for Composer to start. Make sure you have Java 11.0.5 or later installed before you manually install or manually upgrade to Composer 5.8 or later. If you do not, Composer will not start.
Important CentOS 8 Information
CentOS 8 is no longer supported by Red Hat Linux (RHEL). Use CentOS 7 instead.
Java 11.0.5 or later is required to run Composer.
An option to install OpenJDK is included in the installation and upgrade scripts provided by Composer. If you skip this option or if you install or upgrade the product manually, make sure that Java 11.0.5 (or later) is installed. If you do not, Composer will not start after the installation.
Target Server Prerequisites
The target server for the Composer software should meet the following prerequisites:
The server must be connected to the Internet.
If this is a new (fresh) installation, the server must not have PostgreSQL already installed. (Not required for upgrades.)
If this is a new (fresh) installation, the server must not contain any
zoomdatafolders or property files from previous versions. If a previous version of Zoomdata or Composer was installed on this server, ensure that all property files have been deleted before running the installer script.(Not required for upgrades.)
The user installing Composer must be able to use the
sudocommand on the server.
If you do not have an internet connection on the server on which Composer is being installed, download the Composer installation package and load it onto the target server. After this is done, you can manually install Composer. See Install Composer Manually.
If the server on which Composer is to be installed does not meet all the prerequisites, see Alternative Installation Options.
In addition, Composer benefits from having time synchronization in your network. Specifically, Composer leverages the Network Time Protocol daemon (NTPD), which performs time synchronization of networked servers to Coordinated Universal Time (UTC). If needed, read Use the Network Time Protocol to Synchronize Time for instructions to set this up.
After you have made any needed adjustments to your network configurations, you can continue the installation process.