Scientific Linux 6
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Install KVM2011/03/15

  It's Virtualization with KVM ( Kernel-based Virtual Machine ) + QEMU. This requires that the CPU on your computer has a function Intel VT or AMD-V.

[1] Install KVM
[root@dlp ~]#
yum -y install qemu-kvm libvirt python-virtinst bridge-utils


[root@dlp ~]#
[root@dlp ~]#
modprobe kvm_intel
 
# if AMD, "kvm_amd"

[root@dlp ~]#
lsmod | grep kvm

kvm_intel
46589 0

kvm
292815 1 kvm_intel

[root@dlp ~]#
/etc/rc.d/init.d/libvirtd start

Starting libvirtd daemon:
[ OK ]

[root@dlp ~]#
chkconfig libvirtd on
[2] Configure Bridge networking for KVM virtual machine.
[root@dlp ~]#
cd /etc/sysconfig/network-scripts

[root@dlp network-scripts]#
cp ifcfg-eth0 ifcfg-br0

[root@dlp network-scripts]#
vi ifcfg-br0


DEVICE=
br0
# change

HWADDR=00:22:68:3D:82:88
ONBOOT=yes
BOOTPROTO=none
IPADDR=10.0.0.30
NETMASK=255.255.255.0
TYPE=
Bridge
# change

GATEWAY=10.0.0.1
DNS1=10.0.0.30
IPV6INIT=no
USERCTL=no

[root@dlp network-scripts]#
vi ifcfg-eth0


DEVICE=eth0
HWADDR=00:22:68:3D:82:88
ONBOOT=yes
BOOTPROTO=none
IPADDR=10.0.0.30
NETMASK=255.255.255.0
TYPE=Ethernet
GATEWAY=10.0.0.1
DNS1=10.0.0.30
IPV6INIT=no
USERCTL=no
BRIDGE=br0
# add


[root@dlp network-scripts]#
[root@dlp ~]#
/etc/rc.d/init.d/network restart

Shutting down interface eth0:
[  OK  ]

Shutting down loopback interface:
[  OK  ]

Bringing up loopback interface:
[  OK  ]

Bringing up interface eth0:
[  OK  ]

Bringing up interface br0:
[  OK  ]

[root@dlp ~]#
br0
Link encap:Ethernet HWaddr 00:22:68:3D:82:88

inet addr:10.0.0.30 Bcast:10.0.0.255 Mask:255.255.255.0

inet6 addr: fe80::222:68ff:fe3d:8288/64 Scope:Link

UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1

RX packets:21 errors:0 dropped:0 overruns:0 frame:0

TX packets:33 errors:0 dropped:0 overruns:0 carrier:0

collisions:0 txqueuelen:0

RX bytes:1518 (1.4 KiB) TX bytes:3338 (3.2 KiB)


eth0
Link encap:Ethernet HWaddr 00:22:68:3D:82:88

inet6 addr: fe80::222:68ff:fe3d:8288/64 Scope:Link

UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1

RX packets:25530 errors:0 dropped:0 overruns:0 frame:0

TX packets:16690 errors:0 dropped:0 overruns:0 carrier:0

RX bytes:28448404 (27.1 MiB) TX bytes:1630382 (1.5 MiB)

RX bytes:283089551 (269.9 MiB) TX bytes:5809514 (5.5 MiB)

Interrupt:29 Base address:0x2000


lo
Link encap:Local Loopback

inet addr:127.0.0.1 Mask:255.0.0.0

inet6 addr: ::1/128 Scope:Host

UP LOOPBACK RUNNING MTU:16436 Metric:1

RX packets:78 errors:0 dropped:0 overruns:0 frame:0

TX packets:78 errors:0 dropped:0 overruns:0 carrier:0

collisions:0 txqueuelen:0

RX bytes:13655 (13.3 KiB) TX bytes:13655 (13.3 KiB)


virbr0
Link encap:Ethernet HWaddr EE:52:9F:C3:31:42

inet addr:192.168.122.1 Bcast:192.168.122.255 Mask:255.255.255.0

UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1

RX packets:0 errors:0 dropped:0 overruns:0 frame:0

TX packets:0 errors:0 dropped:0 overruns:0 carrier:0

collisions:0 txqueuelen:0

RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)

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