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copied!<p>At least, you still have the <a href="http://ubuntuforums.org/showthread.php?p=10328705#3" rel="nofollow noreferrer">manual install</a>, which leaves your current Eclipse3.5 untouched (allowing you to go back to it if 3.6 gives you too much troubles)</p> <blockquote> <p>To get your 3.6 download running:</p> <ul> <li>Unzip the download into a directory you have complete control of, usually a directory under your username, preserving folders.</li> <li>Create a shortcut to the eclipse executable, usually in the resulting "<code>eclipse</code>" folder.</li> <li>Run the program using the resulting shortcut.</li> <li>When your new eclipse install starts, point to your existing workspace.<br> You can continue with both 3.5 and 3.6 installed using the same workspace, or you can remove 3.5 by deselecting it from your software management program (one of several ways).</li> </ul> </blockquote> <p><a href="https://stackoverflow.com/users/185722/alexander-pogrebnyak">Alexander Pogrebnyak</a> actually points out in the comment:</p> <blockquote> <p>workspace cannot round trip <code>3.5->3.6->3.5</code>.<br> The usual solution is to keep 3.5 and 3.6 versions of workspace in different directories.</p> </blockquote> <p>The idea to have one workspace for each version is always the safest route to take, with <a href="https://stackoverflow.com/questions/2266993/how-to-import-existing-project-into-workplace-in-eclipse">each of your project imported into each respective workspace</a>.</p> <hr> <p>Note, you have to make sure <a href="http://ubuntuforums.org/showthread.php?p=10226105#4" rel="nofollow noreferrer">your java is correctly installed</a> (which should be already good for you, but just in case):</p> <blockquote> <p>Installing Helios 3.6 on Ubuntu 10.10 is rather simple.<br> Download eclipse package from eclipse.org and extract it to a folder in your home directory.</p> <p>The tricky part is setting up <code>java6-jdk</code> from the sun partner repository but there is a <a href="http://www.webupd8.org/2010/09/how-to-install-java-jre-and-java-plugin.html" rel="nofollow noreferrer">easy to follow guide</a>:<br> basically you have to enable the partner repository, then install java6 jdk with:</p> </blockquote> <pre><code>sudo apt-get install sun-java6-jre sun-java6-plugin </code></pre> <blockquote> <p>and then if necessary update your java alternatives with:</p> </blockquote> <pre><code># shows a list with available java alternatives: sudo update-java-alternatives -l # sets the alternative sudo update-java-alternatives -s java-6-sun sudo update-alternatives --config java </code></pre>

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