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Just to implement a kvm (from zero to one)

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kvm

Just to implement a kvm

1.检查主机是否支持KVM

  • $ egrep '(vmx|svm)' /proc/cpuinfo

  • 如果主机本身就在虚拟化的环境中,可能不支持虚拟化(不支持虚拟化嵌套),比如在云服务器中不支持虚拟化

2.安装 KVM 设备

  • 首先检查KVM设备在本机是否存在

  • $ ls -al /dev/kvm

  • 如果不存在,需要安装 KVM 环境(例如 ubuntu环境)

  • $ sudo apt install qemu-kvm

3. 如果不是root用户,需要把用户添加到kvm组

  • $ sudo usermod -a -G kvm whoami

4. 运行

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