{"id":43312,"date":"2024-10-05T01:41:41","date_gmt":"2024-10-04T17:41:41","guid":{"rendered":"https:\/\/server.hk\/cnblog\/43312\/"},"modified":"2024-10-05T01:41:41","modified_gmt":"2024-10-04T17:41:41","slug":"centos-7-%e4%b8%8b%e6%90%ad%e5%bb%ba-kvm-%e8%99%9b%e6%93%ac%e6%a9%9f%e7%92%b0%e5%a2%83","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/43312\/","title":{"rendered":"CentOS 7 \u4e0b\u642d\u5efa KVM \u865b\u64ec\u6a5f\u74b0\u5883"},"content":{"rendered":"<h1 id=\"centos-7-%e4%b8%8b%e6%90%ad%e5%bb%ba-kvm-%e8%99%9b%e6%93%ac%e6%a9%9f%e7%92%b0%e5%a2%83-lwTUUeBZER\">CentOS 7 \u4e0b\u642d\u5efa KVM \u865b\u64ec\u6a5f\u74b0\u5883<\/h1>\n<p>\u96a8\u8457\u865b\u64ec\u5316\u6280\u8853\u7684\u5feb\u901f\u767c\u5c55\uff0cKVM\uff08Kernel-based Virtual Machine\uff09\u6210\u70ba\u4e86\u8a31\u591a\u4f01\u696d\u548c\u958b\u767c\u8005\u7684\u9996\u9078\u865b\u64ec\u5316\u89e3\u6c7a\u65b9\u6848\u3002KVM \u662f\u4e00\u7a2e\u958b\u6e90\u865b\u64ec\u5316\u6280\u8853\uff0c\u80fd\u5920\u5728 Linux \u7cfb\u7d71\u4e0a\u904b\u884c\u865b\u64ec\u6a5f\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5728 CentOS 7 \u4e0a\u642d\u5efa KVM \u865b\u64ec\u6a5f\u74b0\u5883\uff0c\u4e26\u63d0\u4f9b\u8a73\u7d30\u7684\u6b65\u9a5f\u548c\u793a\u4f8b\u3002<\/p>\n<h2 id=\"%e5%89%8d%e6%9c%9f%e6%ba%96%e5%82%99-lwTUUeBZER\">\u524d\u671f\u6e96\u5099<\/h2>\n<p>\u5728\u958b\u59cb\u4e4b\u524d\uff0c\u8acb\u78ba\u4fdd\u60a8\u7684\u4f3a\u670d\u5668\u7b26\u5408\u4ee5\u4e0b\u8981\u6c42\uff1a<\/p>\n<ul>\n<li>\u652f\u6301\u865b\u64ec\u5316\u7684 CPU\uff08Intel VT-x \u6216 AMD-V\uff09<\/li>\n<li>\u5df2\u5b89\u88dd CentOS 7 \u64cd\u4f5c\u7cfb\u7d71<\/li>\n<li>\u5177\u5099 sudo \u6b0a\u9650\u7684\u7528\u6236<\/li>\n<\/ul>\n<h2 id=\"%e5%ae%89%e8%a3%9d-kvm-%e5%92%8c%e7%9b%b8%e9%97%9c%e5%b7%a5%e5%85%b7-lwTUUeBZER\">\u5b89\u88dd KVM \u548c\u76f8\u95dc\u5de5\u5177<\/h2>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u5b89\u88dd KVM \u53ca\u5176\u76f8\u95dc\u5de5\u5177\u3002\u6253\u958b\u7d42\u7aef\u4e26\u57f7\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>sudo yum install -y qemu-kvm libvirt libvirt-python libguestfs-tools virt-install<\/code><\/pre>\n<p>\u5b89\u88dd\u5b8c\u6210\u5f8c\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5 KVM \u662f\u5426\u5b89\u88dd\u6210\u529f\uff1a<\/p>\n<pre><code>lsmod | grep kvm<\/code><\/pre>\n<p>\u5982\u679c\u770b\u5230\u985e\u4f3c\u65bc\u4ee5\u4e0b\u7684\u8f38\u51fa\uff0c\u5247\u8868\u793a KVM \u5df2\u6210\u529f\u5b89\u88dd\uff1a<\/p>\n<pre><code>kvm_intel             204800  0\nkvm                   598016  1 kvm_intel<\/code><\/pre>\n<h2 id=\"%e5%95%9f%e7%94%a8%e5%92%8c%e9%85%8d%e7%bd%ae-libvirt-%e6%9c%8d%e5%8b%99-lwTUUeBZER\">\u555f\u7528\u548c\u914d\u7f6e libvirt \u670d\u52d9<\/h2>\n<p>\u63a5\u4e0b\u4f86\uff0c\u60a8\u9700\u8981\u555f\u7528\u548c\u555f\u52d5 libvirt \u670d\u52d9\u3002\u57f7\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>sudo systemctl enable libvirtd\nsudo systemctl start libvirtd<\/code><\/pre>\n<p>\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5 libvirt \u670d\u52d9\u7684\u72c0\u614b\uff1a<\/p>\n<pre><code>sudo systemctl status libvirtd<\/code><\/pre>\n<h2 id=\"%e5%89%b5%e5%bb%ba%e8%99%9b%e6%93%ac%e6%a9%9f-lwTUUeBZER\">\u5275\u5efa\u865b\u64ec\u6a5f<\/h2>\n<p>\u73fe\u5728\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 <code>virt-install<\/code> \u547d\u4ee4\u4f86\u5275\u5efa\u865b\u64ec\u6a5f\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u5275\u5efa\u865b\u64ec\u6a5f\u7684\u793a\u4f8b\u547d\u4ee4\uff1a<\/p>\n<pre><code>sudo virt-install \n--name myvm \n--ram 2048 \n--disk path=\/var\/lib\/libvirt\/images\/myvm.img,size=20 \n--vcpus 2 \n--os-type linux \n--os-variant centos7.0 \n--network network=default \n--graphics none \n--location 'http:\/\/mirror.centos.org\/centos\/7\/os\/x86_64\/' \n--extra-args 'console=ttyS0,115200n8 serial'<\/code><\/pre>\n<p>\u5728\u9019\u500b\u547d\u4ee4\u4e2d\uff0c\u60a8\u53ef\u4ee5\u6839\u64da\u9700\u8981\u8abf\u6574\u865b\u64ec\u6a5f\u7684\u540d\u7a31\u3001\u5167\u5b58\u3001\u78c1\u789f\u5927\u5c0f\u548c CPU \u6578\u91cf\u7b49\u53c3\u6578\u3002<\/p>\n<h2 id=\"%e7%ae%a1%e7%90%86%e8%99%9b%e6%93%ac%e6%a9%9f-lwTUUeBZER\">\u7ba1\u7406\u865b\u64ec\u6a5f<\/h2>\n<p>\u5275\u5efa\u865b\u64ec\u6a5f\u5f8c\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 <code>virsh<\/code> \u547d\u4ee4\u4f86\u7ba1\u7406\u865b\u64ec\u6a5f\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u547d\u4ee4\uff1a<\/p>\n<ul>\n<li>\u5217\u51fa\u6240\u6709\u865b\u64ec\u6a5f\uff1a<code>virsh list --all<\/code><\/li>\n<li>\u555f\u52d5\u865b\u64ec\u6a5f\uff1a<code>virsh start myvm<\/code><\/li>\n<li>\u95dc\u9589\u865b\u64ec\u6a5f\uff1a<code>virsh shutdown myvm<\/code><\/li>\n<li>\u522a\u9664\u865b\u64ec\u6a5f\uff1a<code>virsh undefine myvm<\/code><\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-lwTUUeBZER\">\u7e3d\u7d50<\/h2>\n<p>\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u4ecb\u7d39\u4e86\u5982\u4f55\u5728 CentOS 7 \u4e0a\u642d\u5efa KVM \u865b\u64ec\u6a5f\u74b0\u5883\uff0c\u5305\u62ec\u5b89\u88dd KVM\u3001\u914d\u7f6e libvirt \u670d\u52d9\u4ee5\u53ca\u5275\u5efa\u548c\u7ba1\u7406\u865b\u64ec\u6a5f\u7684\u57fa\u672c\u6b65\u9a5f\u3002KVM \u63d0\u4f9b\u4e86\u4e00\u500b\u9ad8\u6548\u4e14\u9748\u6d3b\u7684\u865b\u64ec\u5316\u89e3\u6c7a\u65b9\u6848\uff0c\u9069\u5408\u5404\u7a2e\u61c9\u7528\u5834\u666f\u3002\u5982\u679c\u60a8\u9700\u8981\u66f4\u9ad8\u6548\u7684\u865b\u64ec\u5316\u670d\u52d9\uff0c\u8003\u616e\u4f7f\u7528 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u4f86\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5728 CentOS 7 \u4e0a\u642d\u5efa KVM \u865b\u64ec\u6a5f\u74b0\u5883\uff0c\u5be6\u73fe\u9ad8\u6548\u7684\u865b\u64ec\u5316\u7ba1\u7406\u8207\u8cc7\u6e90\u5229\u7528\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4924],"tags":[],"class_list":["post-43312","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/43312","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=43312"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/43312\/revisions"}],"predecessor-version":[{"id":43313,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/43312\/revisions\/43313"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=43312"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=43312"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=43312"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}