os: centos7 minimal
partition:
Device Boot Start End Blocks Id System
/dev/sda1 * 2048 976895 487424 83 Linux
/dev/sda2 976896 98631679 48827392 83 Linux
/dev/sda3 98631680 129880063 15624192 82 Linux swap / Solaris
/dev/sda4 129880064 488396799 179258368 5 Extended
/dev/sda5 129882112 488388607 179253248 83 Linux
network:
]# vi /etc/sysconfig/network-scripts/ifcfg-enp0s25
TYPE=Ethernet
BOOTPROTO=static
DEFROUTE=yes
PEERDNS=yes
PEERROUTES=yes
IPV4_FAILURE_FATAL=no
IPV6INIT=yes
IPV6_AUTOCONF=yes
IPV6_DEFROUTE=yes
IPV6_PEERDNS=yes
IPV6_PEERROUTES=yes
IPV6_FAILURE_FATAL=no
NAME=enp0s25
UUID=f5aad67b-0b2e-46b9-b17d-126c9eaae4b1
DEVICE=enp0s25
ONBOOT=yes
IPADDR=123.140.248.88
NETMASK=255.255.255.0
GATEWAY=123.140.248.254
]# vi /etc/resolv.conf
search .
nameserver 210.220.163.82
selinux:
]# vi /etc/selinux/config
SELINUX=disabled
update:
]# yum update
]# yum install net-tools
]# reboot
kvm install:
# xming install in pc
https://sourceforge.net/projects/xming/
]# yum install qemu-kvm qemu-kvm-tools libvirt virt-install virt-manager virt-viewer virt-top dejavu-lgc-sans-fonts xorg-x11-xauth wget vim
]# systemctl start libvirtd
]# systemctl enable libvirtd
]# export NO_AT_BRIDGE=1
]# alis vi=vim
]# setterm -blength 0
]# mkdir /home/isos
]# cd /home/isos
]# wget http://ftp.daumkakao.com/centos/7/isos/x86_64/CentOS-7-x86_64-Minimal-1611.iso
]# virsh net-destroy default
]# virsh net-autostart default --disable
]# mkdir /root/rpms
]# cd /root/rpms
]# wget https://rdo.fedorapeople.org/openstack/openstack-kilo/rdo-release-kilo.rpm
]# rpm -Uvh rdo-release-kilo.rpm
]# yum install openvswitch
]# systemctl start openvswitch
]# systemctl enable openvswitch
]# vi /etc/sysconfig/network-scripts/ifcfg-ovsbr0
DEVICE=ovsbr0
ONBOOT=yes
DEVICETYPE=ovs
TYPE=OVSBridge
BOOTPROTO=static
IPADDR=192.168.100.1
NETMASK=255.255.255.0
HOTPLUG=no
ZONE=trusted
]# ifup ovsbr0
]# iptables -A POSTROUTING -s 192.168.100.0/24 -t nat -j MASQUERADE
]# vi /etc/libvirt/qemu/networks/public.xml
<network>
<name>public</name>
<forward mode='bridge'/>
<bridge name='ovsbr0'/>
<virtualport type='openvswitch'/>
</network>
]# vi /etc/libvirt/qemu/networks/private.xml
<network>
<name>private</name>
<forward mode='nat'/>
<bridge name='virbr0' stp='on' delay='0'/>
<mac address='52:54:00:e3:83:e1'/>
<ip address='192.168.122.1' netmask='255.255.255.0'>
<dhcp>
<range start='192.168.122.2' end='192.168.122.254'/>
<host mac='52:54:00:e5:22:c1' name='test-001' ip='192.168.122.2'/>
<host mac='52:54:00:e5:22:c2' name='test-002' ip='192.168.122.3'/>
<host mac='52:54:00:e5:22:c3' name='test-003' ip='192.168.122.4'/>
<host mac='52:54:00:e5:22:c4' name='test-004' ip='192.168.122.5'/>
</dhcp>
</ip>
</network>
]# virsh net-define /etc/libvirt/qemu/networks/public.xml
]# virsh net-define /etc/libvirt/qemu/networks/private.xml
]# virsh net-start public
]# virsh net-start private
]# virsh net-autostart public
]# virsh net-autostart private
]# vi /etc/libvirt/qemu/test-001.xml
]# vi /etc/libvirt/qemu/test-002.xml
]# vi /etc/libvirt/qemu/test-003.xml
]# vi /etc/libvirt/qemu/test-004.xml
<domain type='kvm'>
<name>test-001</name>
<memory unit='KiB'>1048576</memory>
<currentMemory unit='KiB'>1048576</currentMemory>
<vcpu placement='static'>1</vcpu>
<os>
<type arch='x86_64' machine='pc-i440fx-rhel7.0.0'>hvm</type>
<boot dev='hd'/>
</os>
<features>
<acpi/>
<apic/>
</features>
<cpu mode='custom' match='exact'>
<model fallback='allow'>Penryn</model>
</cpu>
<clock offset='utc'>
<timer name='rtc' tickpolicy='catchup'/>
<timer name='pit' tickpolicy='delay'/>
<timer name='hpet' present='no'/>
</clock>
<on_poweroff>destroy</on_poweroff>
<on_reboot>restart</on_reboot>
<on_crash>restart</on_crash>
<pm>
<suspend-to-mem enabled='no'/>
<suspend-to-disk enabled='no'/>
</pm>
<devices>
<emulator>/usr/libexec/qemu-kvm</emulator>
<disk type='file' device='disk'>
<driver name='qemu' type='raw'/>
<source file='/var/lib/libvirt/images/test-001.img'/>
<target dev='vda' bus='virtio'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x08' function='0x0'/>
</disk>
<controller type='usb' index='0' model='ich9-ehci1'>
<address type='pci' domain='0x0000' bus='0x00' slot='0x07' function='0x7'/>
</controller>
<controller type='usb' index='0' model='ich9-uhci1'>
<master startport='0'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x07' function='0x0' multifunction='on'/>
</controller>
<controller type='usb' index='0' model='ich9-uhci2'>
<master startport='2'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x07' function='0x1'/>
</controller>
<controller type='usb' index='0' model='ich9-uhci3'>
<master startport='4'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x07' function='0x2'/>
</controller>
<controller type='pci' index='0' model='pci-root'/>
<controller type='virtio-serial' index='0'>
<address type='pci' domain='0x0000' bus='0x00' slot='0x06' function='0x0'/>
</controller>
<interface type='network'>
<mac address='52:54:00:05:d1:c1'/>
<source network='public'/>
<model type='virtio'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
</interface>
<interface type='network'>
<mac address='52:54:00:e5:22:c1'/>
<source network='private'/>
<model type='virtio'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/>
</interface>
<serial type='pty'>
<target port='0'/>
</serial>
<console type='pty'>
<target type='serial' port='0'/>
</console>
<channel type='unix'>
<target type='virtio' name='org.qemu.guest_agent.0'/>
<address type='virtio-serial' controller='0' bus='0' port='1'/>
</channel>
<channel type='spicevmc'>
<target type='virtio' name='com.redhat.spice.0'/>
<address type='virtio-serial' controller='0' bus='0' port='2'/>
</channel>
<input type='tablet' bus='usb'>
<address type='usb' bus='0' port='1'/>
</input>
<input type='mouse' bus='ps2'/>
<input type='keyboard' bus='ps2'/>
<graphics type='spice' autoport='yes'>
<listen type='address'/>
<image compression='off'/>
</graphics>
<sound model='ich6'>
<address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0'/>
</sound>
<video>
<model type='qxl' ram='65536' vram='65536' vgamem='16384' heads='1' primary='yes'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
</video>
<redirdev bus='usb' type='spicevmc'>
<address type='usb' bus='0' port='2'/>
</redirdev>
<redirdev bus='usb' type='spicevmc'>
<address type='usb' bus='0' port='3'/>
</redirdev>
<memballoon model='virtio'>
<address type='pci' domain='0x0000' bus='0x00' slot='0x09' function='0x0'/>
</memballoon>
</devices>
</domain>
]# qemu-img convert test-001.img test-002.img
]# qemu-img convert test-001.img test-003.img
]# qemu-img convert test-001.img test-004.img
]# virsh define test-001.xml
]# virsh define test-002.xml
]# virsh define test-003.xml
]# virsh define test-004.xml
]# virsh start test-001
]# virsh start test-002
]# virsh start test-003
]# virsh start test-004
test-001~ test-004
]# cat /etc/sysconfig/network-scripts/ifcfg-eth0
DEVICE=eth0
ONBOOT=yes
BOOTPROTO=static
IPADDR=192.168.100.2
NETMASK=255.255.255.0
GATEWAY=192.168.100.1
]# cat /etc/sysconfig/network-scripts/ifcfg-eth1
DEVICE=eth1
BOOTPROTO=dhcp
ONBOOT=yes
]# yum remove NetworkManager
]# /usr/sbin/dhclient-script
506c506
< make_resolv_conf
---
> #make_resolv_conf
592c592
< make_resolv_conf
---
> #make_resolv_conf
608c608
< make_resolv_conf
---
> #make_resolv_conf
]# vi /etc/resolv.conf
search .
nameserver 210.220.163.82
etc
]# ovs-vsctl list-ports ovsbr0
vnet0
vnet2
vnet4
vnet6
[root@localhost qemu]# brctl show
bridge name bridge id STP enabled interfaces
virbr0 8000.525400e383e1 yes virbr0-nic
vnet1
vnet3
vnet5
vnet7
http://prolinuxhub.com/configure-start-up-scripts-for-ovs-on-centos-and-red-hat/
[root@localhost ~]# cat /etc/sysconfig/network-scripts/ifcfg-enp0s25
TYPE=OVSPort
BOOTPROTO=none
DEVICE=enp0s25
DEVICETYPE=ovs
ONBOOT=yes
HOTPLUG=no
OVS_BRIDGE=ovsbr0
[root@localhost ~]# cat /etc/sysconfig/network-scripts/ifcfg-ovsbr0
DEVICE=ovsbr0
ONBOOT=yes
DEVICETYPE=ovs
TYPE=OVSBridge
BOOTPROTO=static
IPADDR=123.140.248.88
NETMASK=255.255.255.0
GATEWAY=13.140.248.254
HOTPLUG=no
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