Ubuntu Server 18.04.4 KVM 虚拟化搭建

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KVM安装

1、检查是否支持

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

2、安装 cpu-checker 检查工具并检查机器是否支持 kvm

• 安装cpu-checker

  apt install cpu-checker
  

• 检查

  kvm-ok
  

开始安装

• 更新apt源并且安装kvm及相关组件

  apt update && apt install qemu qemu-kvm libvirt-bin  bridge-utils  virt-manager
  
  

• 设置网络桥接 共4网卡，2网卡给虚拟机，2网卡留给物理机

  network:
      ethernets:
          eno1:
              addresses:
              - 192.168.0.6/24
              gateway4: 192.168.0.1
              nameservers:
                  addresses:
                  - 192.168.0.1
          eno2:
              addresses:
              - 192.168.0.5/24
              gateway4: 192.168.0.1
              nameservers:
                  addresses:
                  - 192.168.0.1
          eno3:
              dhcp4: no
              dhcp6: no
          eno4:
              dhcp4: no
              dhcp6: no
      bridges:
          br0:
              interfaces: [eno3]
              dhcp4: no
              addresses: [192.168.0.4/24]
              gateway4: 192.168.0.1
              nameservers:
                  addresses: [192.168.0.1]
          br1:
              interfaces: [eno4]
              dhcp4: no
              addresses: [192.168.0.3/24]
              gateway4: 192.168.0.1
              nameservers:
                  addresses: [192.168.0.1]
      version: 2
  

• 更新配置 及 查看

  #   更新
  netplan apply
  #   查看
  networkctl status -a
  

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PS:

• 此操作基于（root）权限操作，如用普通用户可在命令行前加“sudo”
• 根据网上资料亲测整理，最终解释权归WMYeah所有!

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