مجازی‌سازی KVM روی Rocky و AlmaLinux با bridge شبکه

grep -cE 'vmx|svm' /proc/cpuinfo

sudo dnf install -y qemu-kvm libvirt virt-install virt-viewer guestfs-tools
for d in qemu network nodedev nwfilter secret storage; do sudo systemctl enable --now virt${d}d.socket; done
sudo virt-host-validate qemu

nmcli -t -f NAME,DEVICE con show --active    # find the current connection, e.g. "ens18"
sudo nmcli con add type bridge ifname br0 con-name br0 \
  ipv4.method manual ipv4.addresses 192.168.10.20/24 ipv4.gateway 192.168.10.1 ipv4.dns 192.168.10.5 \
  bridge.stp no
sudo nmcli con add type ethernet ifname ens18 master br0 con-name br0-port
sudo nmcli con down ens18 ; sudo nmcli con up br0
ip -br addr show br0

osinfo-query os | grep -iE 'rocky|alma|debian|ubuntu' | head
sudo virt-install \
  --name web01 --memory 4096 --vcpus 2 \
  --disk size=30,format=qcow2,bus=virtio \
  --os-variant rocky9 \
  --network bridge=br0,model=virtio \
  --location https://download.rockylinux.org/pub/rocky/9/BaseOS/x86_64/os/ \
  --graphics none \
  --extra-args 'console=ttyS0,115200n8 inst.text'

sudo virsh list --all
sudo virsh autostart web01           # start with the host
sudo virsh console web01
sudo virsh shutdown web01
sudo virsh snapshot-create-as web01 before-upgrade
sudo virsh snapshot-list web01

sudo virsh pool-define-as vmdata dir --target /data/vms
sudo virsh pool-build vmdata && sudo virsh pool-start vmdata && sudo virsh pool-autostart vmdata
sudo semanage fcontext -a -t virt_image_t '/data/vms(/.*)?' && sudo restorecon -Rv /data/vms