Fedora 24
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Install KVM
2016/06/26
 
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
# verify modules are loaded

[root@dlp ~]#
lsmod | grep kvm

kvm_intel             184320  0
kvm                   552960  1 kvm_intel
irqbypass              16384  1 kvm

[root@dlp ~]#
systemctl start libvirtd

[root@dlp ~]#
systemctl enable libvirtd

[2] Configure Bridge networking for KVM virtual machine.
Replace the interface name "ens3" 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' (a7fa989a-798e-40ac-acc4-3d1733189b82) successfully added.
# set IP address for br0

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

# set Gateway for br0

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

# set DNS for br0

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

# remove the current setting

[root@dlp ~]#
nmcli c del ens3

# add an interface again as a member of br0

[root@dlp ~]#
nmcli c add type bridge-slave autoconnect yes con-name ens3 ifname ens3 master br0

# restart

[root@dlp ~]#
[root@dlp ~]#
ip addr

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1
    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: ens3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel master br0 state UP group default qlen 1000
    link/ether 00:0c:29:d2:fc:d6 brd ff:ff:ff:ff:ff:ff
3: br0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
    link/ether 00:0c:29:d2:fc: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::46fd:ae1b:c93b:d700/64 scope link
       valid_lft forever preferred_lft forever
4: virbr0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN group default qlen 1000
    link/ether 00:00:00:00:00:00 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
5: virbr0-nic: <BROADCAST,MULTICAST> mtu 1500 qdisc fq_codel state DOWN group default qlen 1000
    link/ether 52:54:00:61:30:5c brd ff:ff:ff:ff:ff:ff
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