KVM : Install2025/10/29

	It's Virtualization with KVM ( Kernel-based Virtual Machine ) + QEMU.
[1]	Install required packages.

dlp:~ #

zypper -n install qemu-kvm libvirt virt-install

# confirm modules are loaded

dlp:~ #

lsmod | grep kvm

kvm_intel             495616  0
kvm                  1368064  1 kvm_intel
irqbypass              12288  1 kvm

dlp:~ #

systemctl enable --now libvirtd

[2]	Configure Bridge networking for KVM virtual machines. Replace the interface name [enp1s0] for your own environment.

# add bridge [br0]

dlp:~ #

nmcli connection add type bridge autoconnect yes con-name br0 ifname br0

Connection 'br0' (7dcefb24-0b8b-4e0b-9fa4-af1badc9b235) successfully added.

# set IP address for [br0]

dlp:~ #

nmcli connection modify br0 ipv4.addresses 10.0.0.30/24 ipv4.method manual

# set Gateway for [br0]

dlp:~ #

nmcli connection modify br0 ipv4.gateway 10.0.0.1

# set DNS for [br0]

dlp:~ #

nmcli connection modify br0 ipv4.dns 10.0.0.10

# set DNS search base for [br0]

dlp:~ #

nmcli connection modify br0 ipv4.dns-search srv.world

# remove the current interface

dlp:~ #

nmcli connection del enp1s0

# add the removed interface again as a member of [br0]

dlp:~ #

nmcli connection add type bridge-slave autoconnect yes con-name enp1s0 ifname enp1s0 master br0

dlp:~ #

reboot

dlp:~ #

ip addr

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    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 noprefixroute
       valid_lft forever preferred_lft forever
2: enp1s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast master br0 state UP group default qlen 1000
    link/ether 52:54:00:fa:66:69 brd ff:ff:ff:ff:ff:ff
    altname enx525400fa6669
3: enp7s0: <BROADCAST,MULTICAST> mtu 1500 qdisc pfifo_fast state DOWN group default qlen 1000
    link/ether 52:54:00:ae:1d:c9 brd ff:ff:ff:ff:ff:ff
    altname enx525400ae1dc9
4: br0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
    link/ether 52:54:00:fa:66:69 brd ff:ff:ff:ff:ff:ff
    inet 10.0.0.30/24 brd 10.0.0.255 scope global noprefixroute br0
       valid_lft forever preferred_lft forever
    inet6 fe80::509e:274d:46fa:44ed/64 scope link noprefixroute
       valid_lft forever preferred_lft forever

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