The Guide shows you Step-by-Step How to Install and Getting-Started with the Latest Eclipse 2023-03 R IDE for Java JEE Development on Linux Red Hat RHEL 6.4 GNOME x8664 Desktop.
There is also the Possibility to Install via YUM the old Eclipse 3.6 Helios Classic Platform and After Add the JEE Development PlugIn.
So we Proceed here Directly to Download and Installation of the Latest Original Eclipse 2023-03 R IDE for Java JEE Development Linux Release.
The Content give Focus Only to the Essentials Instructions and Commands to make it Easier to Follow.

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Download Latest Eclipse JEE for Linux:
Eclipse 2023-03 R IDE JEE Linux 64-bit -
Double-Click on Archive and Extract Eclipse into /tmp
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Open Terminal Window
(Press “Enter” to Execute Commands) -
Relocating Eclipse.
su
If Got “User is Not in Sudoers file” then see: How to Enable sudo
sudo chown -R root:root /tmp/eclipse && mv /tmp/eclipse /opt/
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Starting Eclipse from Terminal.
Making a Symlink
ln -s /opt/eclipse/eclipse /usr/local/bin/eclipse
After you can Start Eclipse JEE from Terminal simply with:
eclipse
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Create an Eclipse Desktop Launcher for Easy-Starting:
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Recommended Oracle JDK Installation
Required to Get the Best Results from Eclipse.