一.配置yum本地安装源：
su - root mkdir /mnt/cdrom mount -t iso9660 /dev/sr0 /mnt/cdrom cd /etc/yum.repos.d
查看内容介绍是否有.repo后缀文件，没有则创建一个.repo文件,文件名随意。
vi local.repo [LOCAL] name=local baseurl=file:///mnt/cdrom enable=1 gpgcheck=0
保存退出
yum clean all
二. 安装默认系统桌面(适于之前安装系统时未选中桌面安装)
1.安装桌面包
yum groupinstall “X Window System” yum groupinstall “Desktop”
2.启动桌面
init 5
3.更改启动模式
vi /etc/inittab # System initialization is started by /etc/init/rcS.conf # # Individual runlevels are started by /etc/init/rc.conf # # Ctrl-Alt-Delete is handled by /etc/init/control-alt-delete.conf # # Terminal gettys are handled by /etc/init/tty.conf and /etc/init/serial.conf, # with configuration in /etc/sysconfig/init. # # For information on how to write upstart event handlers, or how # upstart works, see init(5), init(8), and initctl(8). # # Default runlevel. The runlevels used are: # 0 - halt (Do NOT set initdefault to this) # 1 - Single user mode # 2 - Multiuser, without NFS (The same as 3, if you do not have networking) # 3 - Full multiuser mode # 4 - unused # 5 - X11 # 6 - reboot (Do NOT set initdefault to this) #
id:3:initdefault:
将上面红字部分的 3改成5 3为命令行界面 5为X window图形界面
4.安装桌面右键终端：
yum install nautilus-open-terminal
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