CentOS6.3下安装KDE桌面环境

yum安装：

       首先:   yum  grouplist

       在列出的Available Groups中找到KDE Desktop:

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 1 Available Groups:                                                                                   
 2    Backup Client                                                                                    
 3    Backup Server                                                                                    
 4    CIFS file server                                                                                 
 5    Client management tools                                                                          
 6    Compatibility libraries                                                                          
 7    Console internet tools                                                                           
 8    Desktop Platform Development                                                                     
 9    Development tools                                                                                
10    Directory Server                                                                                 
11    Eclipse                                                                                          
12    FCoE Storage Client                                                                              
13    FTP server                                                                                       
14    Graphics Creation Tools                                                                          
15    High Availability                                                                                
16    High Availability Management                                                                     
17    Identity Management Server                                                                       
18    Infiniband Support                                                                               
19    Internet Applications                                                                            
20    Large Systems Performance                                                                        
21    Load Balancer                                                                                    
22    Mainframe Access                                                                                 
23    Messaging Client Support                                                                         
24    Network Storage Server                                                                           
25    Office Suite and Productivity                                                                    
26    PHP Support                                                                                      
27    PostgreSQL Database client                                                                       
28    PostgreSQL Database server                                                                       
29    Resilient Storage                                                                                
30    Ruby Support                                                                                     
31    Scientific support                                                                               
32    Security Tools                                                                                   
33    Server Platform Development                                                                      
34    Smart card support                                                                               
35    Somali Support                                                                                   
36    Storage Availability Tools                                                                       
37    System Management                                                                                
38    System administration tools                                                                      
39    Systems Management Messaging Server support                                                      
40    TeX support                                                                                      
41    Technical Writing                                                                                
42    TurboGears application framework                                                                 
43    Virtualization                                                                                   
44    Virtualization Client                                                                            
45    Virtualization Platform                                                                          
46    Virtualization Tools                                                                             
47    Web Server                                                                                       
48    Web Servlet Engine                                                                               
49    Web-Based Enterprise Management                                                                  
50    iSCSI Storage Client           

      然后：yum groupinstall "KDE Desktop"

      安装之后：yum grouplist，会显示：

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 1 Installed Groups:                                                                                   
 2    Additional Development                                                                           
 3    Base                                                                                             
 4    Debugging Tools                                                                                  
 5    Desktop                                                                                          
 6    Desktop Debugging and Performance Tools                                                          
 7    Desktop Platform                                                                                 
 8    Dial-up Networking Support                                                                       
 9    Directory Client                                                                                 
10    E-mail server                                                                                    
11    Emacs                                                                                            
12    Fonts                                                                                            
13    General Purpose Desktop                                                                          
14    Graphical Administration Tools                                                                   
15    Hardware monitoring utilities                                                                    
16    Input Methods                                                                                    
17    Internet Browser                                                                                 
18    Java Platform                                                                                    
19    KDE Desktop                                                                                      
20    Legacy UNIX compatibility                                                                        
21    Legacy X Window System compatibility                                                             
22    MySQL Database client                                                                            
23    MySQL Database server                                                                            
24    NFS file server                                                                                  
25    Network Infrastructure Server                                                                    
26    Network file system client                                                                       
27    Networking Tools                                                                                 
28    Performance Tools                                                                                
29    Perl Support                                                                                     
30    Print Server                                                                                     
31    Printing client                                                                                  
32    Remote Desktop Clients                                                                           
33    SNMP Support                                                                                     
34    Server Platform                                                                                  
35    X Window System               

       现在如果你在bash中输入startx(或xinit)，启动之后仍然是默认的桌面环境；若想切换到KDE，还要进行下一步的操作，也是最重要的：

       设置GNOME或者KDE为默认的启动桌面环境：

         方法1：在/etc/sysconfig/下面，创建desktop文件，内容为：DESKTOP=“KDE“或者"GNOME" ;

         方法2：在当前用户主目录下建立“.xinitrc"文件，内容为：startkde或gnome-session。                  

转载于:https://www.cnblogs.com/baotonghe/archive/2012/12/11/2813293.html