Linux server prerequisites

Hardware prerequisites

Make sure you've checked the Hardware prerequisites before starting configuring your server

System prerequisites

Decision Insight Messaging System currently supports the following software prerequisites:

  • 64-bits Linux Operating System :
    • Red Hat Enterprise Linux: 5.x6.x, 7.x, 8.x

    • Ubuntu: 14 LTS, 16 LTS

    • SUSE: 11, 12
    • Oracle Linux: 6.x, 7.x
    • CentOS Linux: 6.x, 7.x
    • Amazon Linux distribution
  • An OpenJDK 11 64-bits JVM or later
    • An OpenJDK 13 JVM is provided by the node itself but this can be changed

Configuration prerequisites

Please check the following configurations have been properly applied to your environment:

Accounts

Account Required abilities
<Decision Insight Messaging System administration account>
  • Permissions

    Directory Permissions
    <install directory> read, write, execute

    <working directory>

    read, write, execute
<Decision Insight Messaging System execution account>
  • Permissions

    Directory Permissions
    <install directory> read, execute
    <working directory> read, write, execute
<System administration account>
  • Register a service
  • Update system configuration files such as /etc/security/limits.conf

<install directory> is the directory where the product will be installed

<working directory> is the directory where the product will write its data (by default, <working directory> is <install directory>/var)

NTP

Server clock must be synchronized with a NTP server.

When running in a virtual environment, is it recommended to configure NTP at the hypervisor level and to install "tools" in the virtual machine in order for it to have a "stable" clock.

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