centos 卸载 xen

centos系统安装之后,
ping 192.168.1.7 (局域网内其他主机,no)
ping 192.168.1.2 (网关 no)
ping 127.0.0.1 (本身 yes)

故卸载xen

virbr0 is xen interface used by Virtualization guest and host oses for network communication. Following are the packages under Red Hat / CentOS Linux:
Group: Virtualization
Description: Virtualization Support.
Mandatory Packages:
=> xen
=> kernel-xen
Default Packages:
=> virt-manager
=> Virtualization-en-US
=> gnome-applet-vm
=> libvirt
You can disable virbr0 if you don't need xen Virtualization support, enter:
# yum groupremove "Virtualization"

Sample output:

Loading "rhnplugin" plugin
Loading "security" plugin
Setting up Group Process
rhel-x86_64-server-vt-5   100% |=========================| 1.4 kB    00:00
rhn-tools-rhel-x86_64-ser 100% |=========================| 1.2 kB    00:00
rhel-x86_64-server-5      100% |=========================| 1.4 kB    00:00
No package matched to remove
No package matched to remove
No package matched to remove
No package matched to remove
No package matched to remove
Resolving Dependencies
--> Running transaction check
---> Package libvirt.x86_64 0:0.3.3-7.el5 set to be erased
--> Processing Dependency: libvirt.so.0()(64bit) for package: libvirt-python
--> Processing Dependency: libvirt = 0.3.3 for package: libvirt-python
--> Running transaction check
---> Package libvirt-python.x86_64 0:0.3.3-7.el5 set to be erased
--> Processing Dependency: libvirt-python for package: rhn-virtualization-host
--> Running transaction check
---> Package rhn-virtualization-host.noarch 0:1.0.1-55 set to be erased
--> Finished Dependency Resolution
Dependencies Resolved
=============================================================================
Package                 Arch       Version          Repository        Size
=============================================================================
Removing:
libvirt                 x86_64     0.3.3-7.el5      installed         3.4 M
Removing for dependencies:
libvirt-python          x86_64     0.3.3-7.el5      installed         230 k
rhn-virtualization-host  noarch     1.0.1-55         installed         155 k
Transaction Summary
=============================================================================
Install      0 Package(s)
Update       0 Package(s)
Remove       3 Package(s)
Is this ok [y/N]: y
Downloading Packages:
Running rpm_check_debug
Running Transaction Test
Finished Transaction Test
Transaction Test Succeeded
Running Transaction
  Erasing   : libvirt-python               ######################### [1/3]
  Erasing   : rhn-virtualization-host      ######################### [2/3]
Stopping crond: [  OK  ]
Starting crond: [  OK  ]
  Erasing   : libvirt                      ######################### [3/3]
Removed: libvirt.x86_64 0:0.3.3-7.el5
Dependency Removed: libvirt-python.x86_64 0:0.3.3-7.el5 rhn-virtualization-host.noarch 0:1.0.1-55
Complete!

重新ping ok