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Eclipse Kepler (4.3) is released on June 16, 2013. I want to try it on my Ubuntu 12.04 LTS. Follow these steps for the installation:

1. Download Eclipse from eclipse.org
2. Extract the eclipse-xxx-xxx-xxx-linux-gtk-x86_64.tar.gz using

   tar -zxvf eclipse-xxx-xxx-xxx-linux-gtk-x86_64.tar.gz
   

3. Switch to root

   sudo -i
   

4. Copy extracted folder to /opt and rename to eclipse_kepler

   cp -r eclipse /opt/eclipse_kepler
   

5. Create a desktop file and install it.

   gedit eclipse_kepler.desktop
   

   The content of eclipse_kepler.desktop:

   [Desktop Entry]
   Name=Eclipse 
   Type=Application
   Exec=/opt/eclipse_kepler/eclipse
   Terminal=false
   Icon=/opt/eclipse_kepler/icon.xpm
   Comment=Integrated Development Environment
   NoDisplay=false
   Categories=Development;IDE
   Name[en]=Eclipse Kepler
   

   Execute the following command to install it in the unity:

   desktop-file-install eclipse_kepler.desktop

6. Create a symlink in /usr/local/bin using

   cd /usr/local/bin
   ln -s /opt/eclipse_kepler/eclipse
   

7. Integrate the Eclipse menu in Unity top panel using

   cd /usr/lib/x86_64-linux-gnu/gtk-2.0/2.10.0/menuproxies && sudo sed -i 's/Eclipse/Xclipse/' libappmenu.so
   

8. Launch Eclipse

   /opt/eclipse_kepler/eclipse -clean &
   

9. Lock Eclipse to the launcher bar by clicking right button on Lock to Launcher

Reference:

• How to install Eclipse?
• Eclipse IDE’s Ubuntu Integrated Menus Hack

If you create some local user accounts in Windows for providing some services, but don’t want to let them show in Welcome Screen. You can add some settings in Windows Registry.

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\SpecialAccounts\UserList]
"cyg_server"=dword:00000000

I have tried this in Windows 7 and Windows 2008 R2. It works.
Google reference: “Hide Users on Welcome Screen in Windows”.