Fedora 22
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Install KVM
2015/06/02
 
It's Virtualization with KVM ( Kernel-based Virtual Machine ) + QEMU.
This requires that the CPU on your computer which has a function Intel VT or AMD-V.
[1] Install required packages.
[root@dlp ~]#
dnf -y install qemu-kvm libvirt virt-install bridge-utils
# make sure modules are loaded

[root@dlp ~]#
lsmod | grep kvm

kvm_intel       147785  0
kvm             464964  1 kvm_intel

[root@dlp ~]#
systemctl start libvirtd

[root@dlp ~]#
systemctl enable libvirtd

[2] Configure Bridge networking for KVM virtual machine.
Replace the interface name "eno16777736" for your own environment's one.
# add bridge "br0"

[root@dlp ~]#
nmcli c add type bridge autoconnect yes con-name br0 ifname br0

Connection 'br0' (0f4b7bc8-8c7a-461a-bff1-d516b941a6ec) successfully added.
# set IP address for br0

[root@dlp ~]#
nmcli c modify br0 ipv4.addresses 10.0.0.30/24 ipv4.method manual

# set Gateway for br0

[root@dlp ~]#
nmcli c modify br0 ipv4.gateway 10.0.0.1

# set DNS for br0

[root@dlp ~]#
nmcli c modify br0 ipv4.dns 10.0.0.1

# remove the current setting

[root@dlp ~]#
nmcli c delete eno16777736

# add an interface again as a member of br0

[root@dlp ~]#
nmcli c add type bridge-slave autoconnect yes con-name eno16777736 ifname eno16777736 master br0

# stop and start NetworkManager

[root@dlp ~]#
systemctl stop NetworkManager; systemctl start NetworkManager

[root@dlp ~]#
ip addr

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host
       valid_lft forever preferred_lft forever
2: eno16777736: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel master br0 state UP group default qlen 1000
    link/ether 00:0c:29:21:57:d6 brd ff:ff:ff:ff:ff:ff
3: virbr0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN group default
    link/ether 52:54:00:2c:9c:e4 brd ff:ff:ff:ff:ff:ff
    inet 192.168.122.1/24 brd 192.168.122.255 scope global virbr0
       valid_lft forever preferred_lft forever
4: virbr0-nic: <BROADCAST,MULTICAST> mtu 1500 qdisc fq_codel master virbr0 state DOWN group default qlen 500
    link/ether 52:54:00:2c:9c:e4 brd ff:ff:ff:ff:ff:ff
5: br0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default
    link/ether 00:0c:29:21:57:d6 brd ff:ff:ff:ff:ff:ff
    inet 10.0.0.30/24 brd 10.0.0.255 scope global br0
       valid_lft forever preferred_lft forever
    inet6 fe80::20c:29ff:fe21:57d6/64 scope link
       valid_lft forever preferred_lft forever
 
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