Unable to install Eclipse manually

Posted by veerendar on Ask Ubuntu See other posts from Ask Ubuntu or by veerendar
Published on 2012-09-27T10:24:54Z Indexed on 2012/11/14 23:19 UTC
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I have just started Linux. I have a SBC(Atom processor) on which I have installed Ubuntu 12.04 and now I am trying to install Fortran IDE.

For which I have learnt that I need to install OpenJDK first, then Eclipse Juno and at last the Phortran plugin for Eclipse.

I have no Internet access so I had follow the below steps for manual installation.

  1. First download the eclipse tar.gz package (downloaded: eclipse-parallel-juno-linux-gtk.tar).

  2. Then right-click the eclipse tar.gz and choose the extract here option to extract the tar.gz package.You can also use the command line to extract the tar.gz package.

    # tar xzf eclipse-cpp-juno-linux-gtk.tar.gz
    
  3. Move to /opt/ folder.

    # mv eclipse /opt/
    

    Use sudo if the above command gives permission denied message.

    # sudo mv eclipse /opt/
    
  4. Create a desktop file and place it into /usr/share/applications

    # sudo gedit /usr/share/applications/eclipse.desktop            
    

    and copy the following to the eclipse.desktop file

    [Desktop Entry]
    Name=Eclipse 
    Type=Application
    Exec=/opt/eclipse/eclipse
    Terminal=false
    Icon=/opt/eclipse/icon.xpm
    Comment=Integrated Development Environment
    NoDisplay=false
    Categories=Development;IDE
    Name[en]=eclipse.desktop
    
  5. Create a symlink in /usr/local/bin using

    # cd /usr/local/bin
    # sudo ln -s /opt/eclipse/eclipse
    
  6. Now its the time to launch eclipse.

    # /opt/eclipse/eclipse  -clean  &       
    

Now at step 5, when I type the command sudo ln -s /opt/eclipse/eclipse , I get an this error message:

ln: Failed to create symbolic link './eclipse': File exists.

Please help me in resolving this.

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