{"id":42988,"date":"2024-10-04T12:11:31","date_gmt":"2024-10-04T04:11:31","guid":{"rendered":"https:\/\/server.hk\/cnblog\/42988\/"},"modified":"2024-10-04T12:11:31","modified_gmt":"2024-10-04T04:11:31","slug":"centos-7-3-%e4%b8%8b-kvm-%e5%ae%89%e8%a3%9d%e6%90%ad%e5%bb%ba%e5%8f%8a%e4%bd%bf%e7%94%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/42988\/","title":{"rendered":"CentOS 7.3 \u4e0b KVM \u5b89\u88dd\u642d\u5efa\u53ca\u4f7f\u7528"},"content":{"rendered":"<h1 id=\"centos-7-3-%e4%b8%8b-kvm-%e5%ae%89%e8%a3%9d%e6%90%ad%e5%bb%ba%e5%8f%8a%e4%bd%bf%e7%94%a8-TvinGWUgfN\">CentOS 7.3 \u4e0b KVM \u5b89\u88dd\u642d\u5efa\u53ca\u4f7f\u7528<\/h1>\n<p>\u96a8\u8457\u865b\u64ec\u5316\u6280\u8853\u7684\u5feb\u901f\u767c\u5c55\uff0cKVM\uff08Kernel-based Virtual Machine\uff09\u4f5c\u70ba\u4e00\u7a2e\u6d41\u884c\u7684\u865b\u64ec\u5316\u89e3\u6c7a\u65b9\u6848\uff0c\u8d8a\u4f86\u8d8a\u53d7\u5230\u7cfb\u7d71\u7ba1\u7406\u54e1\u7684\u9752\u775e\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5728 CentOS 7.3 \u4e0a\u5b89\u88dd\u548c\u914d\u7f6e KVM\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u57fa\u672c\u7684\u4f7f\u7528\u793a\u4f8b\u3002<\/p>\n<h2 id=\"%e4%b8%80%e3%80%81kvm-%e7%b0%a1%e4%bb%8b-TvinGWUgfN\">\u4e00\u3001KVM \u7c21\u4ecb<\/h2>\n<p>KVM \u662f\u4e00\u7a2e\u958b\u6e90\u7684\u865b\u64ec\u5316\u6280\u8853\uff0c\u5141\u8a31\u7528\u6236\u5728 Linux \u7cfb\u7d71\u4e0a\u904b\u884c\u591a\u500b\u865b\u64ec\u6a5f\u3002\u5b83\u5229\u7528 Linux \u6838\u5fc3\u7684\u865b\u64ec\u5316\u529f\u80fd\uff0c\u5c07\u7269\u7406\u8cc7\u6e90\u5283\u5206\u7d66\u865b\u64ec\u6a5f\uff0c\u5f9e\u800c\u5be6\u73fe\u8cc7\u6e90\u7684\u9ad8\u6548\u5229\u7528\u3002<\/p>\n<h2 id=\"%e4%ba%8c%e3%80%81%e5%ae%89%e8%a3%9d-kvm-%e7%9a%84%e5%89%8d%e7%bd%ae%e6%a2%9d%e4%bb%b6-TvinGWUgfN\">\u4e8c\u3001\u5b89\u88dd KVM \u7684\u524d\u7f6e\u689d\u4ef6<\/h2>\n<p>\u5728\u5b89\u88dd KVM \u4e4b\u524d\uff0c\u8acb\u78ba\u4fdd\u60a8\u7684\u786c\u9ad4\u652f\u6301\u865b\u64ec\u5316\u6280\u8853\u3002\u60a8\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5 CPU \u662f\u5426\u652f\u6301\u865b\u64ec\u5316\uff1a<\/p>\n<pre><code>egrep -c '(vmx|svm)' \/proc\/cpuinfo<\/code><\/pre>\n<p>\u5982\u679c\u8fd4\u56de\u7684\u6578\u5b57\u5927\u65bc 0\uff0c\u5247\u8868\u793a\u652f\u6301\u865b\u64ec\u5316\u3002\u63a5\u4e0b\u4f86\uff0c\u60a8\u9700\u8981\u5b89\u88dd\u4e00\u4e9b\u5fc5\u8981\u7684\u8edf\u9ad4\u5305\u3002<\/p>\n<h2 id=\"%e4%b8%89%e3%80%81%e5%ae%89%e8%a3%9d-kvm-TvinGWUgfN\">\u4e09\u3001\u5b89\u88dd KVM<\/h2>\n<p>1. \u66f4\u65b0\u7cfb\u7d71\uff1a<\/p>\n<pre><code>sudo yum update -y<\/code><\/pre>\n<p>2. \u5b89\u88dd KVM \u53ca\u76f8\u95dc\u5de5\u5177\uff1a<\/p>\n<pre><code>sudo yum install -y qemu-kvm libvirt virt-install bridge-utils<\/code><\/pre>\n<p>3. \u555f\u52d5\u4e26\u8a2d\u7f6e libvirt \u670d\u52d9\uff1a<\/p>\n<pre><code>sudo systemctl start libvirtd\nsudo systemctl enable libvirtd<\/code><\/pre>\n<p>4. \u9a57\u8b49 KVM \u662f\u5426\u5b89\u88dd\u6210\u529f\uff1a<\/p>\n<pre><code>sudo lsmod | grep kvm<\/code><\/pre>\n<p>\u5982\u679c\u770b\u5230 kvm \u548c kvm_intel \u6216 kvm_amd \u6a21\u7d44\uff0c\u5247\u8868\u793a\u5b89\u88dd\u6210\u529f\u3002<\/p>\n<h2 id=\"%e5%9b%9b%e3%80%81%e9%85%8d%e7%bd%ae%e7%b6%b2%e8%b7%af%e6%a9%8b%e6%8e%a5-TvinGWUgfN\">\u56db\u3001\u914d\u7f6e\u7db2\u8def\u6a4b\u63a5<\/h2>\n<p>\u70ba\u4e86\u8b93\u865b\u64ec\u6a5f\u80fd\u5920\u8a2a\u554f\u5916\u90e8\u7db2\u8def\uff0c\u60a8\u9700\u8981\u914d\u7f6e\u7db2\u8def\u6a4b\u63a5\u3002\u7de8\u8f2f\u7db2\u8def\u914d\u7f6e\u6587\u4ef6\uff1a<\/p>\n<pre><code>sudo vi \/etc\/sysconfig\/network-scripts\/ifcfg-br0<\/code><\/pre>\n<p>\u6dfb\u52a0\u4ee5\u4e0b\u5167\u5bb9\uff1a<\/p>\n<pre><code>DEVICE=br0\nTYPE=Bridge\nONBOOT=yes\nBOOTPROTO=dhcp\nDELAY=0<\/code><\/pre>\n<p>\u7136\u5f8c\u7de8\u8f2f\u539f\u6709\u7684\u7db2\u8def\u63a5\u53e3\u914d\u7f6e\u6587\u4ef6\uff0c\u4f8b\u5982 eth0\uff1a<\/p>\n<pre><code>sudo vi \/etc\/sysconfig\/network-scripts\/ifcfg-eth0<\/code><\/pre>\n<p>\u5c07\u5176\u4fee\u6539\u70ba\uff1a<\/p>\n<pre><code>DEVICE=eth0\nTYPE=Ethernet\nONBOOT=yes\nBRIDGE=br0<\/code><\/pre>\n<p>\u91cd\u555f\u7db2\u8def\u670d\u52d9\u4ee5\u61c9\u7528\u66f4\u6539\uff1a<\/p>\n<pre><code>sudo systemctl restart network<\/code><\/pre>\n<h2 id=\"%e4%ba%94%e3%80%81%e5%89%b5%e5%bb%ba%e8%99%9b%e6%93%ac%e6%a9%9f-TvinGWUgfN\">\u4e94\u3001\u5275\u5efa\u865b\u64ec\u6a5f<\/h2>\n<p>\u4f7f\u7528 virt-install \u547d\u4ee4\u5275\u5efa\u865b\u64ec\u6a5f\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u57fa\u672c\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>sudo virt-install \n--name test-vm \n--ram 1024 \n--disk path=\/var\/lib\/libvirt\/images\/test-vm.img,size=10 \n--vcpus 1 \n--os-type linux \n--os-variant centos7.0 \n--network bridge=br0 \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>\u9019\u689d\u547d\u4ee4\u5c07\u5275\u5efa\u4e00\u500b\u540d\u70ba test-vm \u7684\u865b\u64ec\u6a5f\uff0c\u5206\u914d 1GB \u7684\u5167\u5b58\u548c 10GB \u7684\u78c1\u789f\u7a7a\u9593\u3002<\/p>\n<h2 id=\"%e5%85%ad%e3%80%81%e7%ae%a1%e7%90%86%e8%99%9b%e6%93%ac%e6%a9%9f-TvinGWUgfN\">\u516d\u3001\u7ba1\u7406\u865b\u64ec\u6a5f<\/h2>\n<p>\u60a8\u53ef\u4ee5\u4f7f\u7528 virsh \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><code>virsh list --all<\/code>\uff1a\u5217\u51fa\u6240\u6709\u865b\u64ec\u6a5f\u3002<\/li>\n<li><code>virsh start test-vm<\/code>\uff1a\u555f\u52d5\u865b\u64ec\u6a5f\u3002<\/li>\n<li><code>virsh shutdown test-vm<\/code>\uff1a\u95dc\u9589\u865b\u64ec\u6a5f\u3002<\/li>\n<li><code>virsh console test-vm<\/code>\uff1a\u9023\u63a5\u5230\u865b\u64ec\u6a5f\u7684\u63a7\u5236\u53f0\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%b8%83%e3%80%81%e7%b8%bd%e7%b5%90-TvinGWUgfN\">\u4e03\u3001\u7e3d\u7d50<\/h2>\n<p>\u5728 CentOS 7.3 \u4e0a\u5b89\u88dd\u548c\u914d\u7f6e KVM \u662f\u4e00\u500b\u76f8\u5c0d\u7c21\u55ae\u7684\u904e\u7a0b\uff0c\u901a\u904e\u4e0a\u8ff0\u6b65\u9a5f\uff0c\u60a8\u53ef\u4ee5\u5feb\u901f\u642d\u5efa\u865b\u64ec\u5316\u74b0\u5883\u3002KVM \u63d0\u4f9b\u4e86\u9ad8\u6548\u7684\u8cc7\u6e90\u5229\u7528\u7387\u548c\u9748\u6d3b\u7684\u7ba1\u7406\u65b9\u5f0f\uff0c\u9069\u5408\u5404\u7a2e\u61c9\u7528\u5834\u666f\u3002\u5982\u679c\u60a8\u9700\u8981\u9032\u4e00\u6b65\u7684\u865b\u64ec\u5316\u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8003\u616e\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u670d\u52d9\uff0c\u70ba\u60a8\u7684\u696d\u52d9\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Learn how to install, set up, and use KVM on CentOS 7.3 for efficient virtualization management and enhanced performance.<\/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-42988","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/42988","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=42988"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/42988\/revisions"}],"predecessor-version":[{"id":42989,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/42988\/revisions\/42989"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=42988"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=42988"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=42988"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}