The Tutorial shows you How to Install and Getting-Started with the Latest Eclipse 2023-03 R IDE Java JEE on Oracle Linux 6 KDE 4 Desktop.
There is also the Possibility to Install before the Classic Eclipse via Yum and after Adding the JEE Developer Tool Capabilities via Eclipse Updates.
Hence, here we Proceed Directly to Download and Installation of the Whole Eclipse 2023-03 R IDE for Java JEE Linux Release.
The Content give Focus Only to the Essentials Instructions and Commands to make it Easier to Follow.

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Download Eclipse 2023-03 R IDE JEE:
Eclipse 2023-03 R IDE JEE Linux - 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:
How to Create a Launcher on Linux Desktops