General Prerequisites; Java Requirements; Supported Internet Browsers; Connectivity Requirements - Dell EMC VxFlex Ready Node Operating System Installation Manual

VxFlex Ready Node deployment overview
"rpmlib" version should be 4.6.0-1 or higher
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Every server requires 2 cores and a minimum of 3 GB available RAM.
Java
v1.8 (64-bit), build 149 or earlier.
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You can download previous versions from this link:
archive-javase8-2177648.html
Connectivity
The VxFlex OS Gateway server must have connectivity to all the nodes that are being installed. If you are using
separate networks for management and data, the server must be able to communicate with both networks.
The following TCP ports are not used by any other application, and are open in the local firewall of the server: 80 and
443 (or 8080 and 8443).
You can change the default ports. For more information, see "Communication Security Settings" in the Dell EMC VxFlex
OS Security Configuration Guide .
Additional requirements - R640/R740xd only
For a VxFlex OS Gateway server on a Windows node, the Windows Management Instrumentation service must be
enabled on the VxFlex OS Installer server and on all Windows VxFlex OS nodes.

General prerequisites

Before you start the procedures in this guide, ensure that the server and installation environment meet the following
additional general prerequisites:

Java requirements

Both the VxFlex OS GUI and iDRAC management client (Java console) require the Java 1.8 latest update.
In your internet browser, ensure that pop-ups are enabled for Java console features.

Supported Internet browsers

The VxFlex OS GUI supports the following Internet browsers:
Google Chrome 72
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Firefox 65.0.1
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Internet Explorer 11
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Connectivity requirements

Ensure that you have the following information at hand:
General connectivity
The IP address range, subnet, and gateway IP addresses for the management and data network for all servers.
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The IP address range, subnet, and gateway IP addresses for the iDRAC port for all servers.
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All root and administrator passwords that you plan to set or use on the server and iDRAC.
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Connection via a service PC or laptop computer using SSH/RDP
Ensure that the computer has a functional network port and an available IP address, subnet, and gateway on the
management network.
VxFlex Ready Node Operating System Installation Guide for Linux
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http://www.oracle.com/technetwork/java/javase/downloads/java-