{"id":116743,"date":"2026-10-22T02:17:23","date_gmt":"2026-10-21T18:17:23","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/116743.html"},"modified":"2026-10-22T02:17:23","modified_gmt":"2026-10-21T18:17:23","slug":"%e3%80%90%e6%97%a0%e6%a0%87%e9%a2%98%e3%80%91-8","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/116743.html","title":{"rendered":"\u3010\u65e0\u6807\u9898\u3011"},"content":{"rendered":"

KVM \u547d\u4ee4\u884c\u865a\u62df\u673a\u7ba1\u7406 \u6838\u5fc3\u603b\u7ed3<\/h2>\n

\u57fa\u4e8e libvirt \u7684 virsh \u5de5\u5177\u7ba1\u7406KVM\u865a\u62df\u673a，\u5305\u542b\u865a\u62df\u673a\u751f\u547d\u5468\u671f\u3001\u914d\u7f6e\u3001\u5feb\u7167\u3001\u78c1\u76d8\u3001\u521b\u5efa\u865a\u62df\u673a\u3001\u7f51\u7edc\u5b58\u50a8\u3001\u5220\u9664\u3001\u5f00\u673a\u81ea\u542f\u3002<\/p>\n

\u4e00\u3001\u57fa\u7840\u751f\u547d\u5468\u671f\u64cd\u4f5c（virsh）<\/h3>\n\n\u547d\u4ee4\u529f\u80fd<\/tr>\n\n\n\n\n\n\n\n\n\n
virsh list<\/td>\n\u67e5\u770b\u8fd0\u884c\u4e2d\u865a\u62df\u673a<\/td>\n<\/tr>\n
virsh list –all<\/td>\n\u67e5\u770b\u5168\u90e8（\u542b\u5173\u673a）\u865a\u62df\u673a<\/td>\n<\/tr>\n
virsh start \u865a\u62df\u673a\u540d<\/td>\n\u542f\u52a8\u865a\u62df\u673a<\/td>\n<\/tr>\n
virsh shutdown \u865a\u62df\u673a\u540d<\/td>\n\u4f18\u96c5\u5173\u673a（ACPI，\u4f18\u5148\u4f7f\u7528）<\/td>\n<\/tr>\n
virsh destroy \u865a\u62df\u673a\u540d<\/td>\n\u5f3a\u5236\u65ad\u7535，\u865a\u62df\u673a\u5361\u6b7b\u65f6\u4f7f\u7528，\u76f8\u5f53\u4e8e\u62d4\u7535\u6e90<\/td>\n<\/tr>\n
virsh reboot \u865a\u62df\u673a\u540d<\/td>\n\u91cd\u542f\u865a\u62df\u673a<\/td>\n<\/tr>\n
virsh suspend<\/td>\n\u6302\u8d77\/\u6682\u505c\u865a\u62df\u673a，\u5185\u5b58\u6570\u636e\u843d\u78c1\u76d8<\/td>\n<\/tr>\n
virsh resume<\/td>\n\u6062\u590d\u6302\u8d77\u7684\u865a\u62df\u673a<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u547d\u4ee4\u8be6\u89e3：<\/p>\n

    \n
  • virsh list：\u4ec5\u663e\u793a\u5f53\u524d\u5904\u4e8e\u8fd0\u884c\u72b6\u6001\u7684\u865a\u62df\u673a，\u9002\u5408\u5feb\u901f\u786e\u8ba4\u54ea\u4e9b\u865a\u62df\u673a\u5728\u7ebf\u3002<\/li>\n
  • virsh list –all：\u663e\u793a\u6240\u6709\u865a\u62df\u673a，\u5305\u62ec\u5df2\u5173\u673a（shut off）\u72b6\u6001\u7684，\u4fbf\u4e8e\u638c\u63e1\u6574\u4f53\u8d44\u6e90\u5206\u5e03\u3002<\/li>\n
  • virsh start \u865a\u62df\u673a\u540d：\u542f\u52a8\u4e00\u53f0\u5df2\u5b9a\u4e49\u4f46\u5904\u4e8e\u5173\u673a\u72b6\u6001\u7684\u865a\u62df\u673a，\u76f8\u5f53\u4e8e\u7ed9\u865a\u62df\u673a\u901a\u7535\u5f00\u673a\u3002<\/li>\n
  • virsh shutdown \u865a\u62df\u673a\u540d：\u5411\u865a\u62df\u673a\u53d1\u9001 ACPI \u5173\u673a\u4fe1\u53f7，\u8ba9\u64cd\u4f5c\u7cfb\u7edf\u4f18\u96c5\u9000\u51fa，\u4f18\u5148\u4f7f\u7528，\u907f\u514d\u6570\u636e\u635f\u574f\u3002<\/li>\n
  • virsh destroy \u865a\u62df\u673a\u540d：\u76f4\u63a5\u5f3a\u5236\u65ad\u7535，\u76f8\u5f53\u4e8e\u62d4\u6389\u7535\u6e90\u7ebf\u3002\u4ec5\u5f53\u865a\u62df\u673a\u5361\u6b7b\u3001\u65e0\u6cd5\u54cd\u5e94 shutdown \u65f6\u4f7f\u7528，\u5426\u5219\u53ef\u80fd\u9020\u6210\u6587\u4ef6\u7cfb\u7edf\u635f\u574f\u3002<\/li>\n
  • virsh reboot \u865a\u62df\u673a\u540d：\u91cd\u542f\u865a\u62df\u673a，\u76f8\u5f53\u4e8e\u5148\u5173\u673a\u518d\u5f00\u673a\u3002<\/li>\n
  • virsh suspend：\u6302\u8d77\u865a\u62df\u673a，\u5c06\u5185\u5b58\u72b6\u6001\u4fdd\u5b58\u5230\u78c1\u76d8，\u6682\u505c CPU \u8fd0\u884c，\u9002\u5408\u4e34\u65f6\u817e\u51fa\u5bbf\u4e3b\u673a\u8d44\u6e90\u3002<\/li>\n
  • virsh resume：\u6062\u590d\u88ab\u6302\u8d77\u7684\u865a\u62df\u673a，\u4ece\u78c1\u76d8\u52a0\u8f7d\u5185\u5b58\u72b6\u6001\u7ee7\u7eed\u8fd0\u884c\u3002<\/li>\n<\/ul>\n

    \u4fe1\u606f\u67e5\u8be2：<\/p>\n

      \n
    • virsh dominfo \u865a\u62df\u673a\u540d：\u67e5\u770b\u865a\u62df\u673a\u57fa\u672c\u4fe1\u606f，\u5305\u62ec\u5185\u5b58\u3001CPU\u3001\u72b6\u6001\u3001\u81ea\u52a8\u542f\u52a8\u914d\u7f6e\u7b49\u3002<\/li>\n
    • virsh domblklist \u865a\u62df\u673a\u540d：\u5217\u51fa\u865a\u62df\u673a\u6302\u8f7d\u7684\u78c1\u76d8\u8bbe\u5907，\u786e\u8ba4\u78c1\u76d8\u8def\u5f84\u4e0e\u683c\u5f0f\u3002<\/li>\n
    • virsh domiflist \u865a\u62df\u673a\u540d：\u67e5\u770b\u865a\u62df\u673a\u7f51\u5361\u4fe1\u606f，\u5305\u62ec MAC \u5730\u5740\u3001\u7f51\u7edc\u7c7b\u578b\u4e0e\u6865\u63a5\u5173\u7cfb\u3002<\/li>\n
    • virsh vncdisplay \u865a\u62df\u673a\u540d：\u67e5\u770b\u865a\u62df\u673a\u5f53\u524d VNC \u7aef\u53e3\u53f7，\u7528\u4e8e\u8fdc\u7a0b\u56fe\u5f62\u754c\u9762\u8fde\u63a5\u3002
      \n\u4ea4\u4e92\u6a21\u5f0f：\u5728\u7ec8\u7aef\u8f93\u5165 virsh \u5373\u53ef\u8fdb\u5165\u4ea4\u4e92\u5f0f\u547d\u4ee4\u884c，\u6b64\u65f6\u53ef\u76f4\u63a5\u8f93\u5165\u4e0a\u8ff0\u547d\u4ee4\u800c\u65e0\u9700\u91cd\u590d\u8f93\u5165 virsh \u524d\u7f00，\u8f93\u5165 quit \u9000\u51fa\u4ea4\u4e92\u6a21\u5f0f；virt-manager \u53ef\u8c03\u51fa\u56fe\u5f62\u5316\u7ba1\u7406\u754c\u9762，\u9002\u5408\u4e0d\u719f\u6089\u547d\u4ee4\u884c\u7684\u7528\u6237\u8fdb\u884c\u53ef\u89c6\u5316\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n

      \u4e8c\u3001\u865a\u62df\u673a\u914d\u7f6e\u5bfc\u5165\u5bfc\u51fa（\u5907\u4efd\u914d\u7f6e\u91cd\u70b9）<\/h3>\n
    • virsh dumpxml \u865a\u62df\u673a\u540d > \/root\/xxx.xml：\u5bfc\u51fa xml \u914d\u7f6e\u5907\u4efd，\u5c06\u865a\u62df\u673a\u7684\u5b8c\u6574\u786c\u4ef6\u914d\u7f6e（CPU\u3001\u5185\u5b58\u3001\u78c1\u76d8\u3001\u7f51\u5361\u7b49）\u4fdd\u5b58\u4e3a xml \u6587\u4ef6，\u662f\u5907\u4efd\u865a\u62df\u673a\u914d\u7f6e\u7684\u6838\u5fc3\u624b\u6bb5\u3002<\/li>\n
    • virsh undefine \u865a\u62df\u673a\u540d：\u6ce8\u9500\u865a\u62df\u673a，\u53ea\u5220\u9664 libvirt \u7684 xml \u8bb0\u5f55，\u4e0d\u4f1a\u5220\u9664 qcow2 \u78c1\u76d8\u955c\u50cf，\u865a\u62df\u673a\u4ece libvirt \u7ba1\u7406\u5217\u8868\u4e2d\u79fb\u9664，\u4f46\u78c1\u76d8\u6570\u636e\u4ecd\u4fdd\u7559\u5728\u78c1\u76d8\u4e0a\u3002<\/li>\n
    • virsh define \/root\/xxx.xml：\u4ece\u5907\u4efd\u7684 xml \u6587\u4ef6\u91cd\u65b0\u6ce8\u518c\u6062\u590d\u865a\u62df\u673a，\u76f8\u5f53\u4e8e\u628a\u4e4b\u524d\u6ce8\u9500\u7684\u865a\u62df\u673a\u91cd\u65b0\u7eb3\u5165 libvirt \u7ba1\u7406\u3002<\/li>\n
    • virsh edit \u865a\u62df\u673a\u540d：\u76f4\u63a5\u7f16\u8f91\u865a\u62df\u673a xml \u914d\u7f6e\u6587\u4ef6，\u53ef\u4fee\u6539\u5185\u5b58\u3001CPU\u3001\u78c1\u76d8\u3001\u7f51\u5361\u7b49\u53c2\u6570，\u4fee\u6539\u540e\u9700\u91cd\u542f\u865a\u62df\u673a\u751f\u6548\u3002<\/li>\n

      \u26a0\ufe0f\u91cd\u70b9：undefine\u4e0d\u4f1a\u5220\u78c1\u76d8，\u78c1\u76d8\u6587\u4ef6\u4ecd\u7136\u4fdd\u7559\u3002<\/p>\n

      \u4e09\u3001\u5feb\u7167\u7ba1\u7406<\/h3>\n
        \n
      • virsh snapshot-create-as \u865a\u62df\u673a\u540d \u5feb\u7167\u540d "\u63cf\u8ff0"：\u4e3a\u865a\u62df\u673a\u521b\u5efa\u5feb\u7167，\u8bb0\u5f55\u5f53\u524d\u78c1\u76d8\u4e0e\u5185\u5b58\u72b6\u6001，\u53ef\u7528\u4e8e\u5feb\u901f\u56de\u6eda\u3002<\/li>\n
      • virsh snapshot-list \u865a\u62df\u673a\u540d：\u5217\u51fa\u8be5\u865a\u62df\u673a\u7684\u6240\u6709\u5feb\u7167，\u663e\u793a\u5feb\u7167\u540d\u79f0\u3001\u521b\u5efa\u65f6\u95f4\u4e0e\u72b6\u6001\u3002<\/li>\n
      • virsh snapshot-revert \u865a\u62df\u673a\u540d –snapshotname \u5feb\u7167\u540d：\u5c06\u865a\u62df\u673a\u6062\u590d\u5230\u6307\u5b9a\u5feb\u7167\u65f6\u7684\u72b6\u6001，\u6062\u590d\u524d\u5efa\u8bae\u5148\u5173\u95ed\u865a\u62df\u673a，\u907f\u514d\u6570\u636e\u4e0d\u4e00\u81f4\u3002<\/li>\n
      • virsh snapshot-delete \u865a\u62df\u673a\u540d –snapshotname \u5feb\u7167\u540d：\u5220\u9664\u6307\u5b9a\u5feb\u7167，\u91ca\u653e\u78c1\u76d8\u7a7a\u95f4，\u5220\u9664\u540e\u65e0\u6cd5\u518d\u6062\u590d\u5230\u8be5\u5feb\u7167\u70b9\u3002<\/li>\n<\/ul>\n

        \u56db\u3001qemu\u2011img\u78c1\u76d8\u955c\u50cf\u7ba1\u7406<\/h3>\n

        \u26a0\ufe0f\u78c1\u76d8\u64cd\u4f5c\u5efa\u8bae\u865a\u62df\u673a\u5173\u95ed，\u907f\u514d\u955c\u50cf\u635f\u574f<\/p>\n

      • qemu\u2011img create -f qcow2 \u8def\u5f84\/xxx.qcow2 20G \u521b\u5efaqcow2\u683c\u5f0f\u78c1\u76d8<\/li>\n
      • qemu\u2011img info \u955c\u50cf\u8def\u5f84 \u67e5\u770b\u78c1\u76d8\u955c\u50cf\u8be6\u7ec6\u4fe1\u606f<\/li>\n

        \u4e94\u3001virt\u2011install \u547d\u4ee4\u884c\u65b0\u5efa\u865a\u62df\u673a<\/h3>\n

        \u5173\u952e\u53c2\u6570：<\/p>\n

          \n
        • –name\u865a\u62df\u673a\u540d\u79f0；–memory\u5185\u5b58MiB；–vcpusCPU\u6838\u5fc3\u6570<\/li>\n
        • –disk path=\u78c1\u76d8\u955c\u50cf\u8def\u5f84<\/li>\n
        • –locationISO\u5b89\u88c5\u955c\u50cf\u8def\u5f84<\/li>\n
        • –network network=default\u4f7f\u7528KVM\u9ed8\u8ba4NAT\u7f51\u7edc<\/li>\n
        • –noautoconsole\u4e0d\u81ea\u52a8\u5f39\u51fa\u63a7\u5236\u53f0<\/li>\n
        • –vnc –vnclisten=0.0.0.0 –vncport=5903\u5f00\u542fVNC\u8fdc\u7a0b\u8bbf\u95ee<\/li>\n<\/ul>\n

          \u793a\u4f8b：<\/p>\n

          virt-install –name<\/span> vm2 \\\\<\/span>
          \n–memory<\/span> 4096<\/span> –vcpus<\/span> 2<\/span> \\\\<\/span>
          \n–disk<\/span> path<\/span>=<\/span>\/disk\/vm2.qcow2 \\\\<\/span>
          \n–location<\/span> \/iso\/CentOS\u20117\u2011x86_64\u2011Minimal\u20111810.iso \\\\<\/span>
          \n–network<\/span> network<\/span>=<\/span>default \\\\<\/span>
          \n–noautoconsole<\/span><\/p>\n

          VNC\u8bbf\u95ee：\u5bbf\u4e3b\u673aIP:\u7aef\u53e3；\u76d1\u542c0.0.0.0\u8981\u653e\u884c\u9632\u706b\u5899，\u5916\u90e8\u624d\u80fd\u8fde\u63a5\u3002<\/p>\n

          \u516d\u3001\u865a\u62df\u7f51\u7edc\u3001\u5b58\u50a8\u6c60<\/h3>\n

          \u865a\u62df\u7f51\u7edc<\/h4>\n
            \n
          • virsh net\u2011list –all\u67e5\u770b\u5168\u90e8\u865a\u62df\u7f51\u7edc<\/li>\n
          • virsh net\u2011start default\u542f\u52a8\u9ed8\u8ba4NAT\u7f51\u7edc<\/li>\n
          • virsh net\u2011autostart default\u8bbe\u7f6edefault\u7f51\u7edc\u5f00\u673a\u81ea\u542f<\/li>\n
          • virsh net\u2011dumpxml default\u5bfc\u51fa\u7f51\u7edcxml\u914d\u7f6e<\/li>\n<\/ul>\n

            \u5b58\u50a8\u6c60<\/h4>\n
              \n
            • virsh pool\u2011list –all\u67e5\u770b\u5b58\u50a8\u6c60<\/li>\n
            • virsh vol\u2011list default\u67e5\u770b\u5b58\u50a8\u6c60\u5185\u90e8\u78c1\u76d8\u955c\u50cf<\/li>\n<\/ul>\n

              KVM\u9ed8\u8ba4\u5b58\u50a8\u6c60\u8def\u5f84：\/var\/lib\/libvirt\/images\/<\/p>\n

              \u4e03\u3001\u5220\u9664\u865a\u62df\u673a\u6d41\u7a0b<\/h3>\n
            • \u5148\u5173\u95ed\u865a\u62df\u673a（shutdown\/destroy）<\/li>\n
            • \u53ef\u9009：\u5220\u9664\u865a\u62df\u673a\u5feb\u7167<\/li>\n
            • \u4e24\u79cd\u5220\u9664\u65b9\u5f0f\n
                \n
              • virsh undefine vm3：\u4ec5\u6ce8\u9500xml\u914d\u7f6e，\u78c1\u76d8\u955c\u50cf\u4fdd\u7559<\/li>\n
              • virsh undefine vm3 –remove\u2011all\u2011storage：\u6ce8\u9500xml，\u540c\u65f6\u81ea\u52a8\u5220\u9664\u5173\u8054\u78c1\u76d8<\/li>\n<\/ul>\n<\/li>\n
              • \u624b\u52a8\u5220\u78c1\u76d8：rm -f \/var\/lib\/libvirt\/images\/vm3.qcow2<\/li>\n

                \u6ce8\u610f：\u8fd0\u884c\u72b6\u6001\u865a\u62df\u673a\u4e0d\u80fd\u6267\u884cundefine\u3002<\/p>\n

                \u516b\u3001\u865a\u62df\u673a\u5f00\u673a\u81ea\u542f<\/h3>\n
                  \n
                • virsh autostart \u865a\u62df\u673a\u540d：\u5f00\u542f\u5bbf\u4e3b\u673a\u5f00\u673a\u81ea\u542f\u865a\u62df\u673a<\/li>\n
                • virsh autostart –disable \u865a\u62df\u673a\u540d：\u5173\u95ed\u5f00\u673a\u81ea\u542f<\/li>\n
                • virsh list –all –autostart：\u67e5\u770b\u6240\u6709\u914d\u7f6e\u81ea\u542f\u7684\u865a\u62df\u673a，\u5fc5\u987b\u5e26\u2013all，\u5173\u673a\u865a\u62df\u673a\u624d\u4f1a\u663e\u793a<\/li>\n
                • virsh dominfo \u865a\u62df\u673a\u540d：\u67e5\u770b\u5355\u53f0\u865a\u62df\u673a\u81ea\u542f\u72b6\u6001<\/li>\n<\/ul>\n

                  \u4e5d\u3001\u91cd\u8981\u6613\u9519\u70b9\u6c47\u603b<\/h3>\n
                • undefine\u53ea\u5220xml\u914d\u7f6e，\u9ed8\u8ba4\u4e0d\u4f1a\u5220\u9664qcow2\u78c1\u76d8\u955c\u50cf\u3002<\/li>\n
                • qemu\u2011img\u64cd\u4f5c\u78c1\u76d8\u955c\u50cf，\u52a1\u5fc5\u5173\u95ed\u865a\u62df\u673a，\u9632\u6b62\u955c\u50cf\u635f\u574f\u3002<\/li>\n
                • VNC\u76d1\u542c0.0.0.0，\u9632\u706b\u5899\u9700\u8981\u653e\u884c\u5bf9\u5e94\u7aef\u53e3，\u5916\u90e8\u624d\u80fd\u8fde\u63a5\u3002<\/li>\n
                • virsh list –autostart\u4e0d\u52a0–all\u770b\u4e0d\u5230\u5173\u673a\u4f46\u5f00\u542f\u81ea\u542f\u7684\u865a\u62df\u673a\u3002<\/li>\n
                • \u865a\u62df\u673a\u8fd0\u884c\u72b6\u6001\u4e0d\u80fd\u6267\u884cundefine\u6ce8\u9500\u3002<\/li>\n
                • \u5907\u4efd\u4f18\u5148dumpxml\u5bfc\u51faxml\u914d\u7f6e，\u78c1\u76d8\u955c\u50cf\u5355\u72ec\u5907\u4efd\u3002<\/li>\n","protected":false},"excerpt":{"rendered":"

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