Installing KVM

Table of Contents Installing KVM on centos 7 verify that the machine supports Virtualization Install the following package Start libvirt daemon and enable it at boot time as verify that KVM is working setting up bridging install the package bridge-utils create the network bridge interface modify the configuration file of the physical interface restart the network

Installing KVM on centos 7

verify that the machine supports Virtualization

egrep '(vmx|svm)' /proc/cpuinfo 

Install the following package

yum install kvm libvirt python-virtinst qemu-kvm

Start libvirt daemon and enable it at boot time as

systemctl start libvirtd
syetemctl enabled libvirtd

verify that KVM is working

[root@banana ~]# virsh -c qemu:///system list
 Id    Name                           State
----------------------------------------------------

setting up bridging

install the package bridge-utils

yum -y install bridge-utils

create the network bridge interface

vi /etc/sysconfig/network-scripts/ifcfg-br0  ==> and add the content below : 
DEVICE=br0
TYPE=Bridge
BOOTPROTO=none
ONBOOT=yes
IPADDR=192.168.0.30
NETMASK=255.255.255.0
GATEWAY=192.168.0.254
DNS1=192.168.0.254

modify the configuration file of the physical interface

modify it as follow :

# vi /etc/sysconfig/network-scripts/ifcfg-eno1

HWADDR=3C:D9:2B:4A:09:E8
TYPE=Ethernet
BOOTPROTO=none
PEERDNS=yes
IPV4_FAILURE_FATAL=no
IPV6INIT=no
NAME=eno1
UUID=7f3515e7-d896-45fb-acf1-cb8fdac92eef
ONBOOT=yes
BRIDGE=br0

restart the network

systemctl restart network