{"id":1212,"date":"2023-08-19T22:18:00","date_gmt":"2023-08-19T14:18:00","guid":{"rendered":"https:\/\/www.dataz8.com\/?p=1212"},"modified":"2023-11-30T19:45:32","modified_gmt":"2023-11-30T11:45:32","slug":"linux%e6%a1%8c%e9%9d%a2%e8%99%9a%e6%8b%9f%e5%8c%96%e6%8a%80%e6%9c%afkvm","status":"publish","type":"post","link":"https:\/\/www.dataz8.com\/?p=1212","title":{"rendered":"Linux\u684c\u9762\u865a\u62df\u5316\u6280\u672fKVM"},"content":{"rendered":"\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_89 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.dataz8.com\/?p=1212\/#1_%E8%99%9A%E6%8B%9F%E5%8C%96%E6%8A%80%E6%9C%AF\" >1. \u865a\u62df\u5316\u6280\u672f<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.dataz8.com\/?p=1212\/#11_%E4%BB%80%E4%B9%88%E6%98%AF%E8%99%9A%E6%8B%9F%E5%8C%96\" >1.1 \u4ec0\u4e48\u662f\u865a\u62df\u5316<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.dataz8.com\/?p=1212\/#12_%E8%99%9A%E6%8B%9F%E5%8C%96%E6%8A%80%E6%9C%AF%E5%88%86%E7%B1%BB\" >1.2 \u865a\u62df\u5316\u6280\u672f\u5206\u7c7b<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.dataz8.com\/?p=1212\/#121_%E4%BB%BF%E7%9C%9F%E8%99%9A%E6%8B%9F%E5%8C%96\" >1.2.1 \u4eff\u771f\u865a\u62df\u5316<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.dataz8.com\/?p=1212\/#122_%E5%AE%8C%E5%85%A8%E8%99%9A%E6%8B%9F%E5%8C%96\" >1.2.2 \u5b8c\u5168\u865a\u62df\u5316<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.dataz8.com\/?p=1212\/#123_%E5%8D%8A%E8%99%9A%E6%8B%9F%E5%8C%96\" >1.2.3 \u534a\u865a\u62df\u5316<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.dataz8.com\/?p=1212\/#124_%E6%93%8D%E4%BD%9C%E7%B3%BB%E7%BB%9F%E8%99%9A%E6%8B%9F%E5%8C%96\" >1.2.4 \u64cd\u4f5c\u7cfb\u7edf\u865a\u62df\u5316<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.dataz8.com\/?p=1212\/#2_KVM\" >2. KVM<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.dataz8.com\/?p=1212\/#3_%E5%B0%8F%E8%AF%95%E7%89%9B%E5%88%80-%E5%AE%89%E8%A3%85KVM\" >3. \u5c0f\u8bd5\u725b\u5200-\u5b89\u88c5KVM<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.dataz8.com\/?p=1212\/#31_%E6%9F%A5%E7%9C%8BCPU%E6%98%AF%E5%90%A6%E6%94%AF%E6%8C%81%E5%85%A8%E8%99%9A%E6%8B%9F%E5%8C%96\" >3.1 \u67e5\u770bCPU\u662f\u5426\u652f\u6301\u5168\u865a\u62df\u5316<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.dataz8.com\/?p=1212\/#32_%E5%AE%89%E8%A3%85KVM%E6%A8%A1%E5%9D%97\" >3.2 \u5b89\u88c5KVM\u6a21\u5757<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.dataz8.com\/?p=1212\/#33_%E6%9F%A5%E7%9C%8B%E5%AE%89%E8%A3%85%E5%AE%8CKVM%E5%90%8E%E7%9A%84%E6%9C%8D%E5%8A%A1\" >3.3 \u67e5\u770b\u5b89\u88c5\u5b8cKVM\u540e\u7684\u670d\u52a1<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.dataz8.com\/?p=1212\/#34_%E4%BD%BF%E7%94%A8%E5%91%BD%E4%BB%A4%E5%BB%BA%E7%AB%8B%E8%99%9A%E6%8B%9F%E6%9C%BA\" >3.4 \u4f7f\u7528\u547d\u4ee4\u5efa\u7acb\u865a\u62df\u673a<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.dataz8.com\/?p=1212\/#4_%E9%85%8D%E7%BD%AEKVM%E7%BD%91%E7%BB%9C%E6%A1%A5%E6%8E%A5%E5%8A%9F%E8%83%BD\" >4. \u914d\u7f6eKVM\u7f51\u7edc\u6865\u63a5\u529f\u80fd<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.dataz8.com\/?p=1212\/#5_%E5%88%9B%E5%BB%BA%E4%B8%80%E5%8F%B0KVM%E8%99%9A%E6%8B%9F%E6%9C%BA\" >5. \u521b\u5efa\u4e00\u53f0KVM\u865a\u62df\u673a<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.dataz8.com\/?p=1212\/#6_KVM%E8%99%9A%E6%8B%9F%E6%9C%BA%E5%B8%B8%E7%94%A8%E5%91%BD%E4%BB%A4\" >6. KVM\u865a\u62df\u673a\u5e38\u7528\u547d\u4ee4<\/a><\/li><\/ul><\/nav><\/div>\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_%E8%99%9A%E6%8B%9F%E5%8C%96%E6%8A%80%E6%9C%AF\"><\/span>1. \u865a\u62df\u5316\u6280\u672f<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"11_%E4%BB%80%E4%B9%88%E6%98%AF%E8%99%9A%E6%8B%9F%E5%8C%96\"><\/span>1.1 \u4ec0\u4e48\u662f\u865a\u62df\u5316<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u865a\u62df\u5316\u662f\u4e00\u79cd\u80fd\u591f\u66f4\u6709\u6548\u5730\u5229\u7528\u7269\u7406\u8ba1\u7b97\u673a\u786c\u4ef6\u7684\u8fc7\u7a0b\uff0c\u662f\u4e91\u8ba1\u7b97\u7684\u57fa\u7840\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u865a\u62df\u5316\u6280\u672f\u4f7f\u7528\u8f6f\u4ef6\uff0c\u5728\u8ba1\u7b97\u673a\u786c\u4ef6\u4e0a\u521b\u5efa\u4e00\u4e2a\u62bd\u8c61\u5c42\uff0c\u80fd\u591f\u5c06\u5355\u53f0\u8ba1\u7b97\u673a\u7684\u786c\u4ef6\u5143\u7d20\uff08\u5904\u7406\u5668\u3001\u5185\u5b58\u3001\u5b58\u50a8\u7b49\uff09\u5206\u6210\u591a\u4e2a\u865a\u62df\u8ba1\u7b97\u673a\uff08\u901a\u5e38\u79f0\u4e3a\u865a\u62df\u673a(VM)\uff09\u3002\u6bcf\u4e2a\u865a\u62df\u673a\u90fd\u4f1a\u8fd0\u884c\u81ea\u5df1\u7684\u64cd\u4f5c\u7cfb\u7edf(OS)\uff0c\u5176\u884c\u4e3a\u5c31\u50cf\u4e00\u53f0\u72ec\u7acb\u7684\u8ba1\u7b97\u673a\uff0c\u5373\u4f7f\u5b83\u53ea\u5728\u4e00\u90e8\u5206\u5b9e\u9645\u5e95\u5c42\u8ba1\u7b97\u673a\u786c\u4ef6\u4e0a\u8fd0\u884c\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7531\u6b64\u53ef\u89c1\uff0c\u865a\u62df\u5316\u53ef\u4ee5\u66f4\u9ad8\u6548\u5730\u5229\u7528\u7269\u7406\u8ba1\u7b97\u673a\u786c\u4ef6\uff0c\u63d0\u9ad8\u7ec4\u7ec7\u5728\u786c\u4ef6\u6295\u8d44\u65b9\u9762\u7684\u6295\u8d44\u56de\u62a5\u7387\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"12_%E8%99%9A%E6%8B%9F%E5%8C%96%E6%8A%80%E6%9C%AF%E5%88%86%E7%B1%BB\"><\/span>1.2 \u865a\u62df\u5316\u6280\u672f\u5206\u7c7b<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u865a\u62df\u5316\u6280\u672f\u53ef\u4ee5\u5206\u4e3a\u56db\u4e2a\u9636\u6bb5\uff1a\u4eff\u771f\u865a\u62df\u5316\u3001\u5b8c\u5168\u865a\u62df\u5316\u3001\u534a\u865a\u62df\u5316\u548c\u64cd\u4f5c\u7cfb\u7edf\u865a\u62df\u5316\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"121_%E4%BB%BF%E7%9C%9F%E8%99%9A%E6%8B%9F%E5%8C%96\"><\/span>1.2.1 \u4eff\u771f\u865a\u62df\u5316<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u786c\u4ef6\u4eff\u771f\u865a\u62df\u5316\u5206\u4e3a\u786c\u4ef6\u6307\u4ee4\u865a\u62df\u5316\u548c\u786c\u4ef6\u8d44\u6e90\u865a\u62df\u5316\u3002\u786c\u4ef6\u6307\u4ee4\u865a\u62df\u5316\u76ee\u7684\u662f\u5c06\u5ba2\u6237\u673a\u53d1\u51fa\u7684\u6307\u4ee4\u7ffb\u8bd1\u6210\u6240\u5728\u4e3b\u673a\u5e73\u53f0\u7684\u6307\u4ee4\uff0c\u4ece\u800c\u5b9e\u73b0\u5bf9\u5ba2\u6237\u673a\u6307\u4ee4\u7684\u6a21\u62df\u64cd\u4f5c\uff1b\u786c\u4ef6\u8d44\u6e90\u865a\u62df\u5316\u76ee\u7684\u662f\u865a\u62df\u51fa\u786c\u4ef6\u8d44\u6e90\uff0c\u901a\u5e38\u4e3b\u673a\u5e73\u53f0\u4e0e\u5ba2\u6237\u673a\u5e73\u53f0\u6240\u7528\u7684\u6307\u4ee4\u96c6\u662f\u4e00\u6837\u7684\uff0c\u53ea\u662f\u4e3a\u4e86\u63d0\u9ad8\u6548\u7387\uff0c\u5c06\u865a\u62df\u8d44\u6e90\u6620\u5c04\u5230\u7269\u7406\u8d44\u6e90\uff0c\u5e76\u5728\u865a\u62df\u673a\u8ba1\u7b97\u4e2d\u4f7f\u7528\u672c\u5730\u786c\u4ef6\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img decoding=\"async\" data-src=\"https:\/\/www.dataz8.com\/wp-content\/uploads\/2023\/11\/\u786c\u4ef6\u865a\u62df\u5316\u5de5\u4f5c\u539f\u7406\u56fe.png\" alt=\"\" style=\"--smush-placeholder-width: 573px; --smush-placeholder-aspect-ratio: 573\/219;width:551px;height:auto\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"122_%E5%AE%8C%E5%85%A8%E8%99%9A%E6%8B%9F%E5%8C%96\"><\/span>1.2.2 \u5b8c\u5168\u865a\u62df\u5316<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b8c\u5168\u865a\u62df\u5316\uff08Full Virtualization\uff09\u4f7f\u7528\u4e00\u4e2a\u865a\u62df\u673a\uff0c\u5b83\u5728\u5ba2\u6237\u64cd\u4f5c\u7cfb\u7edf\u548c\u539f\u59cb\u786c\u4ef6\u4e4b\u95f4\u8fdb\u884c\u534f\u8c03\u3002\u201c\u534f\u8c03\u201d\u5728\u8fd9\u91cc\u662f\u4e00\u4e2a\u5173\u952e\uff0c\u56e0\u4e3aVMM\u5728\u5ba2\u6237\u64cd\u4f5c\u7cfb\u7edf\u548c\u88f8\u786c\u4ef6\u4e4b\u95f4\u63d0\u4f9b\u534f\u8c03\u3002\u7279\u5b9a\u53d7\u4fdd\u62a4\u7684\u6307\u4ee4\u5fc5\u987b\u88ab\u6355\u83b7\u4e0b\u6765\u5e76\u5728Hypervisor\u4e2d\u8fdb\u884c\u5904\u7406\uff0c\u8fd9\u4e9b\u5e95\u5c42\u786c\u4ef6\u5e76\u4e0d\u7531\u64cd\u4f5c\u7cfb\u7edf\u6240\u62e5\u6709\uff0c\u800c\u662f\u7531\u64cd\u4f5c\u7cfb\u7edf\u901a\u8fc7Hypervisor\u5171\u4eab\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" data-src=\"https:\/\/www.dataz8.com\/wp-content\/uploads\/2023\/11\/\u5b8c\u5168\u865a\u62df\u5316\u5de5\u4f5c\u539f\u7406\u56fe.png\" alt=\"\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 574px; --smush-placeholder-aspect-ratio: 574\/219;\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"123_%E5%8D%8A%E8%99%9A%E6%8B%9F%E5%8C%96\"><\/span>1.2.3 \u534a\u865a\u62df\u5316<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u534a\u865a\u62df\u5316\uff08Paravirtualization\uff09\uff0c\u53ef\u4ee5\u63d0\u4f9b\u6781\u9ad8\u7684\u6027\u80fd\uff0c\u4e0e\u5b8c\u5168\u865a\u62df\u5316\u6709\u4e00\u4e9b\u7c7b\u4f3c\uff0c\u8fd9\u79cd\u65b9\u6cd5\u4f7f\u7528\u4e86\u4e00\u4e2aHypervisor\u6765\u5b9e\u73b0\u5bf9\u5e95\u5c42\u786c\u4ef6\u7684\u5171\u4eab\u8bbf\u95ee\uff0c\u5c06\u4e0e\u865a\u62df\u5316\u6709\u5173\u7684\u4ee3\u7801\u96c6\u6210\u5230\u4e86\u64cd\u4f5c\u7cfb\u7edf\u672c\u8eab\u4e2d\u3002\u4e0e\u786c\u4ef6\u8f85\u52a9\u7684\u5b8c\u5168\u865a\u62df\u5316\u6709\u4e00\u70b9\u76f8\u4f3c\u662fHypervisor\u8fd0\u884c\u5728Ring 1\uff0c\u800cGuest OS\u8fd0\u884c\u5728Ring 0\u4e0a\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" data-src=\"https:\/\/www.dataz8.com\/wp-content\/uploads\/2023\/11\/\u534a\u865a\u62df\u5316\u5de5\u4f5c\u539f\u7406\u56fe.png\" alt=\"\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 575px; --smush-placeholder-aspect-ratio: 575\/239;\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"124_%E6%93%8D%E4%BD%9C%E7%B3%BB%E7%BB%9F%E8%99%9A%E6%8B%9F%E5%8C%96\"><\/span>1.2.4 \u64cd\u4f5c\u7cfb\u7edf\u865a\u62df\u5316<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u64cd\u4f5c\u7cfb\u7edf\u865a\u62df\u5316\u5728\u64cd\u4f5c\u7cfb\u7edf\u672c\u8eab\u4e0a\u5b9e\u73b0\u670d\u52a1\u5668\u7684\u865a\u62df\u5316\uff0c\u7279\u70b9\u662f\u4e00\u4e2a\u5355\u4e00\u7684\u8282\u70b9\u8fd0\u884c\u552f\u4e00\u7684\u64cd\u4f5c\u7cfb\u7edf\u5b9e\u4f8b\u3002\u901a\u8fc7\u5728\u8fd9\u4e2a\u7cfb\u7edf\u4e0a\u52a0\u88c5\u865a\u62df\u5316\u5e73\u53f0\uff0c\u53ef\u4ee5\u5c06\u7cfb\u7edf\u5206\u6210\u591a\u4e2a\u72ec\u7acb\u9694\u79bb\u7684\u5bb9\u5668\uff0c\u6bcf\u4e2a\u5bb9\u5668\u662f\u4e00\u4e2a\u865a\u62df\u7684\u64cd\u4f5c\u7cfb\u7edf\uff0c\u88ab\u79f0\u4e3a\u865a\u62df\u73af\u5883\uff0c\u4e5f\u79f0\u4e3a\u865a\u62df\u4e13\u7528\u670d\u52a1\u5668\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" data-src=\"https:\/\/www.dataz8.com\/wp-content\/uploads\/2023\/11\/\u64cd\u4f5c\u7cfb\u7edf\u865a\u62df\u5316\u5de5\u4f5c\u539f\u7406\u56fe.png\" alt=\"\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 575px; --smush-placeholder-aspect-ratio: 575\/193;\" \/><\/figure>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_KVM\"><\/span>2. KVM<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">KVM\uff0c\u5373Kernel-based Virtual Machine\uff0c\u662f\u6307\u57fa\u4e8eLinux\u5185\u6838\u7684\u865a\u62df\u673a\uff0c\u662f\u7b2c\u4e00\u4e2a\u6574\u5408\u5230Linux\u5185\u6838\u7684\u865a\u62df\u5316\u6280\u672f\u3002\u5728KVM\u6a21\u578b\u4e2d\uff0c\u6bcf\u4e00\u4e2a\u865a\u62df\u673a\u90fd\u662f\u4e00\u4e2a\u7531Linux\u8c03\u5ea6\u7a0b\u5e8f\u7ba1\u7406\u7684\u6807\u51c6\u8fdb\u7a0b\uff0c\u53ef\u4ee5\u5728\u7528\u6237\u7a7a\u95f4\u542f\u52a8\u5ba2\u6237\u673a\u64cd\u4f5c\u7cfb\u7edf\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u4e2a\u666e\u901a\u7684Linux\u8fdb\u7a0b\u6709\u4e24\u79cd\u8fd0\u884c\u6a21\u5f0f\uff1a\u5185\u6838\u548c\u7528\u6237\u3002\u800cKVM\u589e\u52a0\u4e86\u7b2c\u4e09\u79cd\u6a21\u5f0f\uff1a\u5ba2\u6237\u6a21\u5f0f\uff08\u6709\u81ea\u5df1\u7684\u5185\u6838\u548c\u7528\u6237\u6a21\u5f0f\uff09\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">KVM\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u7cfb\u7edf\u865a\u62df\u5316\u6a21\u5757\uff0c\u81eaLinux 2.6.20\u4e4b\u540e\u96c6\u6210\u5728Linux\u7684\u5404\u4e2a\u4e3b\u8981\u53d1\u884c\u7248\u672c\u4e2d\u3002\u5b83\u4f7f\u7528Linux\u81ea\u8eab\u7684\u8c03\u5ea6\u5668\u8fdb\u884c\u7ba1\u7406\uff0c\u6240\u4ee5\u76f8\u5bf9\u4e8eXen\uff0c\u5176\u6838\u5fc3\u6e90\u7801\u5f88\u5c11\u3002KVM\u76ee\u524d\u5df2\u6210\u4e3a\u5b66\u672f\u754c\u7684\u4e3b\u8981VMM\uff08\u865a\u62df\u673a\u76d1\u63a7\u5668\uff09\u4e4b\u4e00\u3002KVM\u7684\u865a\u62df\u5316\u9700\u8981\u786c\u4ef6\u652f\u6301\uff08\u5982Intel VT\u6280\u672f\u6216\u8005AMD V\u6280\u672f\uff09\uff0c\u662f\u57fa\u4e8e\u786c\u4ef6\u7684\u5b8c\u5168\u865a\u62df\u5316\uff0c\u800cXen\u65e9\u671f\u5219\u662f\u57fa\u4e8e\u8f6f\u4ef6\u6a21\u62df\u7684Para-Virtualization\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>KVM\u865a\u62df\u5316\u4e3b\u8981\u5305\u542b\u4e24\u4e2a\u7ec4\u4ef6\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>KVM\u5185\u6838\u6a21\u5757\uff1aKVM\u5185\u6838\u6a21\u5757\u901a\u8fc7\u52a0\u8f7d\u5230Linux\u5185\u6838\u4e2d\uff0c\u4e3a\u865a\u62df\u673a\u63d0\u4f9b\u5904\u7406\u5668\u865a\u62df\u5316\u529f\u80fd\u3002\u5b83\u5c06Linux\u5185\u6838\u8f6c\u6362\u6210\u4e00\u4e2a\u7c7b\u578b1\uff08\u6216\u79f0\u4e3a\u88f8\u673a\uff09\u7684\u865a\u62df\u673a\u76d1\u63a7\u5668\uff0c\u53ef\u4ee5\u76f4\u63a5\u8fd0\u884c\u5728\u7269\u7406\u786c\u4ef6\u4e0a\u3002<\/li>\n\n\n\n<li>QEMU\uff08Quick Emulator\uff09:QEMU\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u786c\u4ef6\u6a21\u62df\u5668\u548c\u865a\u62df\u673a\u76d1\u63a7\u5668\uff0c\u7528\u4e8e\u63d0\u4f9bKVM\u865a\u62df\u673a\u7684\u8bbe\u5907\u6a21\u62df\u548c\u7ba1\u7406\u3002QEMU\u652f\u6301\u591a\u79cd\u786c\u4ef6\u5e73\u53f0\u548c\u8bbe\u5907\u7c7b\u578b\uff0c\u53ef\u4ee5\u4e0eKVM\u7ed3\u5408\u4f7f\u7528\uff0c\u63d0\u4f9b\u5b8c\u6574\u7684\u865a\u62df\u5316\u89e3\u51b3\u65b9\u6848\u3002<\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_%E5%B0%8F%E8%AF%95%E7%89%9B%E5%88%80-%E5%AE%89%E8%A3%85KVM\"><\/span>3. \u5c0f\u8bd5\u725b\u5200-\u5b89\u88c5KVM<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"31_%E6%9F%A5%E7%9C%8BCPU%E6%98%AF%E5%90%A6%E6%94%AF%E6%8C%81%E5%85%A8%E8%99%9A%E6%8B%9F%E5%8C%96\"><\/span>3.1 \u67e5\u770bCPU\u662f\u5426\u652f\u6301\u5168\u865a\u62df\u5316<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u67e5\u770b\u81ea\u5df1\u7684CPU\u662f\u5426\u652f\u6301\u5168\u865a\u62df\u5316\uff0c\u5e76\u4e14\u662f64\u4f4d\u7684\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Intel\uff1acat \/proc\/cpuinfo |grep &#8211;color vmx<br>AMD\uff1acat \/proc\/cpuinfo |grep &#8211;color svm<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" data-src=\"https:\/\/www.dataz8.com\/wp-content\/uploads\/2023\/11\/CPU\u662f\u5426\u652f\u6301KVM-1.png\" alt=\"\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 3504px; --smush-placeholder-aspect-ratio: 3504\/444;\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"32_%E5%AE%89%E8%A3%85KVM%E6%A8%A1%E5%9D%97\"><\/span>3.2 \u5b89\u88c5KVM\u6a21\u5757<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">[root@centos-kvm ~]# yum install qemu-kvm libvirt libguestfs-tools virt-install virt-manager libvirt-python -y<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>qemu-kvm\uff1akvm\u4e3b\u7a0b\u5e8f\uff0cKVM\u865a\u62df\u5316\u6a21\u5757<\/li>\n\n\n\n<li>virt-manager\uff1aKVM\u56fe\u5f62\u5316\u7ba1\u7406\u5de5\u5177<\/li>\n\n\n\n<li>libvirt\uff1a\u865a\u62df\u5316\u670d\u52a1<\/li>\n\n\n\n<li>libguestfs-tools\uff1a\u865a\u62df\u673a\u7684\u7cfb\u7edf\u7ba1\u7406\u5de5\u5177<\/li>\n\n\n\n<li>virt-install\uff1a\u5b89\u88c5\u865a\u62df\u673a\u7684\u5b9e\u7528\u5de5\u5177\u3002\u6bd4\u5982virt-clone\u514b\u9686\u5de5\u5177\u5c31\u662f\u8fd9\u4e2a\u5305\u5b89\u88c5\u7684<\/li>\n\n\n\n<li>libvirt-python\uff1apython\u8c03\u7528libvirt\u865a\u62df\u5316\u670d\u52a1\u7684api\u63a5\u53e3\u5e93\u6587\u4ef6<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"33_%E6%9F%A5%E7%9C%8B%E5%AE%89%E8%A3%85%E5%AE%8CKVM%E5%90%8E%E7%9A%84%E6%9C%8D%E5%8A%A1\"><\/span>3.3 \u67e5\u770b\u5b89\u88c5\u5b8cKVM\u540e\u7684\u670d\u52a1<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">[root@centos-kvm ~]# systemctl start libvirtd                # \u5f00\u542f\u865a\u62df\u5316\u670d\u52a1<br>[root@centos-kvm ~]# systemctl enable libvirtd             # \u8bbe\u7f6elibvirtd\u670d\u52a1\u5f00\u673a\u542f\u52a8<br>[root@centos-kvm ~]# systemctl is-enabled libvirtd      # \u67e5\u770b\u662f\u4e0d\u662f\u5f00\u673a\u542f\u52a8<br>enabled<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u786e\u8ba4\u662f\u5426\u6b63\u786e\u52a0\u8f7dKVM\u6a21\u5757<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">[root@centos-kvm ~]# lsmod |grep kvm<br>kvm_intel 188793 0<br>kvm 653928 1 kvm_intel<br>irqbypass 13503 1 kvm<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"34_%E4%BD%BF%E7%94%A8%E5%91%BD%E4%BB%A4%E5%BB%BA%E7%AB%8B%E8%99%9A%E6%8B%9F%E6%9C%BA\"><\/span>3.4 \u4f7f\u7528\u547d\u4ee4\u5efa\u7acb\u865a\u62df\u673a<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5c06KVM\u7ba1\u7406\u5de5\u5177\u4ece\u82f1\u6587\u754c\u9762\uff0c\u5207\u6362\u6210\u4e2d\u6587\u754c\u9762<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">[root@centos-kvm ~]# echo $LANG<br>en_US.UTF-8<br>[root@centos-kvm ~]# LANG=&#8217;zh_CN.UTF-8&#8242;<br>[root@centos-kvm ~]# virt-manager<br>\u6267\u884cvirt-manager\u540e\uff0c\u5f39\u51fa\u5982\u4e0b\u754c\u9762\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" data-src=\"https:\/\/www.dataz8.com\/wp-content\/uploads\/2023\/11\/KVM\u7ba1\u7406\u5de5\u5177.png\" alt=\"\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 597px; --smush-placeholder-aspect-ratio: 597\/702;\" \/><\/figure>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_%E9%85%8D%E7%BD%AEKVM%E7%BD%91%E7%BB%9C%E6%A1%A5%E6%8E%A5%E5%8A%9F%E8%83%BD\"><\/span>4. \u914d\u7f6eKVM\u7f51\u7edc\u6865\u63a5\u529f\u80fd<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">[root@centos-kvm Packages]# rpm -ivh bridge-utils-1.5-9.el7.x86_64.rpm<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u628aens33\u7ed1\u5b9a\u5230br0\u6865\u8bbe\u5907\u4e0a<\/strong><br>[root@centos-kvm Packages]# cd \/etc\/sysconfig\/network-scripts\/<br>[root@centos-kvm network-scripts]# vim ifcfg-ens33<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">#\u5728\u6587\u4ef6\u6700\u540e\u63d2\u5165<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">BRIDGE=&#8221;br0&#8243;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u751f\u6210\u6865\u8bbe\u5907\u7684\u914d\u7f6e\u6587\u4ef6<\/strong><br>[root@centos-kvm network-scripts]# vim ifcfg-br0<br>DEVICE=&#8221;br0&#8243;<br>NM_CONTROLLED=&#8221;yes&#8221;<br>BOOTPROTO=&#8221;none&#8221;<br>TYPE=&#8221;Bridge&#8221;<br>IPADDR=&#8221;192.168.xxx.xxx&#8221;<br>NETMASK=&#8221;255.255.255.0&#8243;<br>GATEWAY=&#8221;192.168.xxx.xxx&#8221;<br>DNS1=&#8221;192.168.xxx.xxx&#8221;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">[root@centos-kvm network-scripts]# service network restart<br>Restarting network (via systemctl): [ \u786e\u5b9a ]<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u6d4b\u8bd5br0<\/strong><br>[root@centos-kvm network-scripts]# ifconfig<br>[root@centos-kvm network-scripts]# ping www.baidu.com<br>PING www.a.shifen.com (153.3.238.110) 56(84) bytes of data.<br>64 bytes from 153.3.238.110 (153.3.238.110): icmp_seq=1 ttl=52 time=27.2 ms<br>64 bytes from 153.3.238.110 (153.3.238.110): icmp_seq=2 ttl=52 time=27.4 ms<br>64 bytes from 153.3.238.110 (153.3.238.110): icmp_seq=3 ttl=52 time=27.4 ms<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u67e5\u770b\u6865\u63a5\u7684\u4fe1\u606f<\/strong><br>[root@centos-kvm network-scripts]# brctl show<br>bridge name bridge id STP enabled interfaces<br>br0 8000.000c29447ea5 no ens33<br>virbr0 8000.525400445df3 yes virbr0-nic<\/p>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5_%E5%88%9B%E5%BB%BA%E4%B8%80%E5%8F%B0KVM%E8%99%9A%E6%8B%9F%E6%9C%BA\"><\/span>5. \u521b\u5efa\u4e00\u53f0KVM\u865a\u62df\u673a<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u628aCentOS7 \u955c\u50cf\u4e0a\u4f20\u5230\/var\/lib\/libvirt\/images\/\u76ee\u5f55\u4e0b<br>[root@centos-kvm ~]# virt-manager<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img decoding=\"async\" data-src=\"https:\/\/www.dataz8.com\/wp-content\/uploads\/2023\/11\/\u865a\u62df\u7cfb\u7edf\u7ba1\u7406\u5668-1.png\" alt=\"\" style=\"--smush-placeholder-width: 667px; --smush-placeholder-aspect-ratio: 667\/695;width:465px;height:auto\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img decoding=\"async\" data-src=\"https:\/\/www.dataz8.com\/wp-content\/uploads\/2023\/11\/\u865a\u62df\u7cfb\u7edf\u7ba1\u7406\u5668-2.png\" alt=\"\" style=\"--smush-placeholder-width: 593px; --smush-placeholder-aspect-ratio: 593\/654;width:469px;height:auto\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img decoding=\"async\" data-src=\"https:\/\/www.dataz8.com\/wp-content\/uploads\/2023\/11\/\u865a\u62df\u7cfb\u7edf\u7ba1\u7406\u5668-3.png\" alt=\"\" style=\"--smush-placeholder-width: 587px; --smush-placeholder-aspect-ratio: 587\/587;width:471px;height:auto\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img decoding=\"async\" data-src=\"https:\/\/www.dataz8.com\/wp-content\/uploads\/2023\/11\/\u865a\u62df\u7cfb\u7edf\u7ba1\u7406\u5668-4.png\" alt=\"\" style=\"--smush-placeholder-width: 559px; --smush-placeholder-aspect-ratio: 559\/579;width:464px;height:auto\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img decoding=\"async\" data-src=\"https:\/\/www.dataz8.com\/wp-content\/uploads\/2023\/11\/\u865a\u62df\u7cfb\u7edf\u7ba1\u7406\u5668-5.png\" alt=\"\" style=\"--smush-placeholder-width: 514px; --smush-placeholder-aspect-ratio: 514\/566;width:460px;height:auto\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img decoding=\"async\" data-src=\"https:\/\/www.dataz8.com\/wp-content\/uploads\/2023\/11\/\u865a\u62df\u7cfb\u7edf\u7ba1\u7406\u5668-6.png\" alt=\"\" style=\"--smush-placeholder-width: 518px; --smush-placeholder-aspect-ratio: 518\/611;width:448px;height:auto\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u70b9\u51fb\u201c\u5b8c\u6210\u201d\uff0c\u81f3\u6b64\uff0c\u521b\u5efa\u597d\u4e86\u4e00\u4e2a\u65b0\u7684KVM\u865a\u62df\u673a\u4e86\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" data-src=\"https:\/\/www.dataz8.com\/wp-content\/uploads\/2023\/11\/\u865a\u62df\u7cfb\u7edf\u7ba1\u7406\u5668-7.png\" alt=\"\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 831px; --smush-placeholder-aspect-ratio: 831\/203;\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" data-src=\"https:\/\/www.dataz8.com\/wp-content\/uploads\/2023\/11\/\u865a\u62df\u7cfb\u7edf\u7ba1\u7406\u5668-8.png\" alt=\"\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 646px; --smush-placeholder-aspect-ratio: 646\/236;\" \/><\/figure>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"6_KVM%E8%99%9A%E6%8B%9F%E6%9C%BA%E5%B8%B8%E7%94%A8%E5%91%BD%E4%BB%A4\"><\/span>6. KVM\u865a\u62df\u673a\u5e38\u7528\u547d\u4ee4<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u2460 \u5217\u51fa\u5728\u8fd0\u884c\u7684\u865a\u62df\u673a<br>[root@centos-kvm ~]# virsh list<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" data-src=\"https:\/\/www.dataz8.com\/wp-content\/uploads\/2023\/11\/\u865a\u62df\u7cfb\u7edf\u7ba1\u7406\u5668-9.png\" alt=\"\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 529px; --smush-placeholder-aspect-ratio: 529\/75;\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u2461 \u5173\u95ed centos7-kvm\u865a\u62df\u673a<br>[root@centos-kvm ~]# virsh shutdown centos7-kvm<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2462 \u542f\u52a8 centos7-kvm \u865a\u62df\u673a<br>[root@centos-kvm ~]# virsh start centos7-kvm<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2463 \u8bbe\u7f6e centos7-kvm \u865a\u62df\u673a\u4e3a\u7269\u7406\u673a\u5f00\u673a\u540e\uff0c\u81ea\u52a8\u542f\u52a8<br>[root@centos-kvm ~]# virsh autostart centos7-kvm<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2464 \u5bfc\u51fa centos7-kvm \u865a\u62df\u673a\u914d\u7f6e\u6587\u4ef6<br>[root@centos-kvm ~]# virsh dumpxml centos7-kvm &gt; centos7-kvm.xml<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2465 \u53d6\u6d88 centos7-kvm \u5b9a\u4e49\uff08\u57df centos7-kvm \u5df2\u7ecf\u88ab\u53d6\u6d88\u5b9a\u4e49\uff09<br>[root@centos-kvm ~]# virsh undefine centos7-kvm<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2466 \u628a\u865a\u62df\u673a\u91cd\u65b0\u52a0\u5165\u5230 virt-manager \u76ee\u5f55\u5217\u8868<br>[root@centos-kvm ~]# virsh define centos7-kvm.xml # virsh define \u865a\u62df\u673a.xml\u7684\u7edd\u5bf9\u8def\u5f84<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2467 \u5f3a\u5236\u5173\u95ed centos7-kvm \u865a\u62df\u673a\u5e76\u5220\u9664\u51fa\u57df<br>[root@centos-kvm ~]# virsh destroy centos7-kvm<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2468 \u53d6\u6d88\u865a\u62df\u673a\u968f\u5bbf\u4e3b\u673a\u5f00\u673a\u81ea\u542f<br>[root@centos-kvm ~]# virsh autostart &#8211;disable centos7-kvm<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6302\u8d77\u865a\u62df\u673a<br>[root@centos-kvm ~]# virsh suspend centos7-kvm<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6062\u590d\u865a\u62df\u673a<br>[root@centos-kvm ~]# virsh resume centos7-kvm<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u53c2\u8003\u94fe\u63a5\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">https:\/\/www.ibm.com\/cn-zh\/topics\/virtualization<br>https:\/\/cloud.tencent.com\/developer\/article\/1382959<\/p>\n","protected":false},"excerpt":{"rendered":"<p>1. \u865a\u62df\u5316\u6280\u672f 1.1 \u4ec0\u4e48\u662f\u865a\u62df\u5316 \u865a\u62df\u5316\u662f\u4e00\u79cd\u80fd\u591f\u66f4\u6709 &#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_zb_attr":"","zolo_post_video_link":"","footnotes":""},"categories":[24],"tags":[25],"series":[],"class_list":["post-1212","post","type-post","status-publish","format-standard","hentry","category-24","tag-25"],"_links":{"self":[{"href":"https:\/\/www.dataz8.com\/index.php?rest_route=\/wp\/v2\/posts\/1212","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.dataz8.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dataz8.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dataz8.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dataz8.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1212"}],"version-history":[{"count":63,"href":"https:\/\/www.dataz8.com\/index.php?rest_route=\/wp\/v2\/posts\/1212\/revisions"}],"predecessor-version":[{"id":1338,"href":"https:\/\/www.dataz8.com\/index.php?rest_route=\/wp\/v2\/posts\/1212\/revisions\/1338"}],"wp:attachment":[{"href":"https:\/\/www.dataz8.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1212"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dataz8.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1212"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dataz8.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1212"},{"taxonomy":"series","embeddable":true,"href":"https:\/\/www.dataz8.com\/index.php?rest_route=%2Fwp%2Fv2%2Fseries&post=1212"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}