Can anyone tell me how to use only unity-2d-panel with global menu. When I load only unity-2d-panel I have problems with global menu, for example: I have close, minimize and maximize buttons on unity panel and on window title bar. I think it's a bug. So can you help me fixing it.
Your question is somewhat vague in areas, so I will answer it the best I can given my understanding of what you are asking.
You can run the unity-2d panel with the dash from another DE (like Lubuntu) after installing
If however you are just trying to run unity-2d log out and choose it from your session menu.
unity is a very self integrated DE, and it is not good at playing with other DE (like LXDE, XFCE4...) So problems can easily occur trying to use the panel only, or the sidebar only in another DE.
edit: since my post was down-voted with no reason given, I will add more information here. Though the lack of clarity in the question requires somewhat ambiguous answers, I will continue to try to address my understanding of what the OP might want to do.
Running unity-2d-panel global menu by itself is pointless. A window manager is needed. if you are trying to remove the
If you are trying to run it from another window manager then running it with
P.S. launchpad is the place to report bugs, if you believe this is a bug file it there.