How to change name Web Front End or central admin SharePoint 2010.

I have new issue for change name server WFE SharePoint 2010 . I have change on farm sharepoint test before change on farm prodution. I test on my VM lab.
In this case name server must change name.
Name server : KMServer > KMclever.
My farm
- Central admin + WFE = 1 Server
- SQL Server 1 Server

How to change name Web front End SharePoint 2010.

1. Unjoin and Join domain on server WFE.
Name server : KMServer > KMclever.
2. Go to
C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\14\BIN>

Use command : stsadm -o renameserver -oldservername kmserver -newservername kmclever
and restart server ..
3. Open IIS
Bindings On central admin
kmserver : same port central admin . If don’t have bindings you can’t open cental admin.
4. You open central admin > Configure alternate access mappings > change KMServer > KMclever in default zone.
5. Done.