Intel i9-12900 서버 KVM + Kubernetes 마스터 노드 VM 생성 가이드

egrep -c '(vmx|svm)' /proc/cpuinfo

sudo apt update
sudo apt install -y qemu-kvm libvirt-daemon-system libvirt-clients bridge-utils virt-manager cpu-checker
sudo systemctl enable --now libvirtd
sudo usermod -aG libvirt $(whoami)

network:
  version: 2
  renderer: networkd

  ethernets:
    eno2: {}

  bridges:
    br0:
      interfaces: [eno2]
      addresses:
        - 10.10.10.10/24
      nameservers:
        addresses: [8.8.8.8, 1.1.1.1]
      routes:
        - to: default
          via: 10.10.10.1
      parameters:
        stp: false
        forward-delay: 0
      dhcp4: no

sudo netplan apply
ip a | grep br0

sudo mv /home/crimson/ubuntu-24.04.2-live-server-amd64.iso /var/lib/libvirt/images/
sudo chmod 644 /var/lib/libvirt/images/ubuntu-24.04.2-live-server-amd64.iso

sudo virt-install \
  --name master1 \
  --ram 8192 \
  --disk size=100 \
  --vcpus 3 \
  --os-variant ubuntu24.04 \
  --graphics none \
  --console pty,target_type=serial \
  --location /var/lib/libvirt/images/ubuntu-24.04.2-live-server-amd64.iso,kernel=casper/vmlinuz,initrd=casper/initrd \
  --network bridge=br0,model=virtio \
  --extra-args 'console=ttyS0,115200n8 serial'

virsh shutdown master1

lscpu -e

virsh dumpxml master1 > master1.xml

<vcpu placement='static'>3</vcpu>
<cputune>
  <vcpupin vcpu='0' cpuset='0'/>
  <vcpupin vcpu='1' cpuset='1'/>
  <vcpupin vcpu='2' cpuset='16'/>
</cputune>

virsh define master1.xml

sudo virsh vcpupin master1 0 2
sudo virsh vcpupin master1 1 3
sudo virsh vcpupin master1 2 4
sudo virsh vcpupin master1 3 5
sudo virsh vcpupin master1 4 18
sudo virsh vcpupin master1 5 19

virsh start master1
virsh vcpuinfo master1

VCPU: 0  CPU: 0
VCPU: 1  CPU: 1
VCPU: 2  CPU: 16

network:
  version: 2
  ethernets:
    ens3:
      addresses:
        - 10.10.10.21/24
      routes:
        - to: default
          via: 10.10.10.1
      nameservers:
        addresses:
          - 8.8.8.8
          - 1.1.1.1

sudo netplan apply