How to Install Eclipse for Java JEE on PCLinuxOS 2012
The Tutorial shows you How to Install and Getting-Started with the Latest Eclipse 2023-03 R IDE JEE x8664 for PCLinuxOS 2012 KDE4 64-bit Desktop.
There is also the Possibility to Install before the Classic Eclipse via apt-get and after Adding the JEE Developer Tool Capabilities via Eclipse Updates.
But the PCLinuxOS Apt Repository is Still presenting the Eclipse 3 Flavor with a 3.7 Indigo as distribution release.
Hence, here to Get Into New Latest Eclipse we Proceed Directly to Download and Installation of the Whole Eclipse for Java JEE Linux Release.
The Content give Focus Only to the Essentials Instructions and Commands to make it Easier to Understand ;)

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Download Eclipse IDE Luna JEE:
Eclipse 2023-03 R IDE JEE 64-bit Linux -
Double-Click on Archive and Extract Eclipse into /tmp
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Open a Terminal Window
(Press “Enter” to Execute Commands)Kickoff >> More Applications >> Terminals >> Konsole.
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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 Launcher for KDE4 Menu -
Recommended Oracle JDK Installation
Required to Get the Best Results from Eclipse.