{"id":42942,"date":"2024-10-04T10:16:31","date_gmt":"2024-10-04T02:16:31","guid":{"rendered":"https:\/\/server.hk\/cnblog\/42942\/"},"modified":"2024-10-04T10:16:31","modified_gmt":"2024-10-04T02:16:31","slug":"centos-7-2-%e4%b8%8b-kvm-%e5%ae%89%e8%a3%9d%e5%8f%8a%e5%88%9d%e6%ad%a5%e4%bd%bf%e7%94%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/42942\/","title":{"rendered":"CentOS 7.2 \u4e0b KVM \u5b89\u88dd\u53ca\u521d\u6b65\u4f7f\u7528"},"content":{"rendered":"<h1 id=\"centos-7-2-%e4%b8%8b-kvm-%e5%ae%89%e8%a3%9d%e5%8f%8a%e5%88%9d%e6%ad%a5%e4%bd%bf%e7%94%a8-sGyHasXtlK\">CentOS 7.2 \u4e0b KVM \u5b89\u88dd\u53ca\u521d\u6b65\u4f7f\u7528<\/h1>\n<p>\u96a8\u8457\u865b\u64ec\u5316\u6280\u8853\u7684\u767c\u5c55\uff0cKVM\uff08Kernel-based Virtual Machine\uff09\u6210\u70ba\u4e86\u8a31\u591a\u4f3a\u670d\u5668\u7ba1\u7406\u54e1\u7684\u9996\u9078\u3002KVM \u662f\u4e00\u7a2e\u958b\u6e90\u865b\u64ec\u5316\u6280\u8853\uff0c\u80fd\u5920\u5c07 Linux \u5167\u6838\u8f49\u8b8a\u70ba\u4e00\u500b\u865b\u64ec\u6a5f\u76e3\u63a7\u5668\uff08Hypervisor\uff09\u3002\u5728\u9019\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u5011\u5c07\u4ecb\u7d39\u5982\u4f55\u5728 CentOS 7.2 \u4e0a\u5b89\u88dd KVM \u4e26\u9032\u884c\u521d\u6b65\u4f7f\u7528\u3002<\/p>\n<h2 id=\"%e7%b3%bb%e7%b5%b1%e8%a6%81%e6%b1%82-sGyHasXtlK\">\u7cfb\u7d71\u8981\u6c42<\/h2>\n<p>\u5728\u5b89\u88dd KVM \u4e4b\u524d\uff0c\u60a8\u9700\u8981\u78ba\u4fdd\u60a8\u7684\u786c\u9ad4\u652f\u6301\u865b\u64ec\u5316\u6280\u8853\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\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\u60a8\u7684 CPU \u652f\u6301\u865b\u64ec\u5316\u3002<\/p>\n<h2 id=\"%e5%ae%89%e8%a3%9d-kvm-sGyHasXtlK\">\u5b89\u88dd KVM<\/h2>\n<p>\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u5c07\u5b89\u88dd KVM \u53ca\u5176\u76f8\u95dc\u5de5\u5177\u3002\u8acb\u6309\u7167\u4ee5\u4e0b\u6b65\u9a5f\u9032\u884c\uff1a<\/p>\n<ol>\n<li>\u66f4\u65b0\u7cfb\u7d71\uff1a<\/li>\n<pre><code>sudo yum update -y<\/code><\/pre>\n<li>\u5b89\u88dd KVM \u53ca\u5176\u76f8\u95dc\u5305\uff1a<\/li>\n<pre><code>sudo yum install -y qemu-kvm libvirt virt-install bridge-utils<\/code><\/pre>\n<li>\u555f\u52d5\u4e26\u8a2d\u7f6e libvirtd \u670d\u52d9\uff1a<\/li>\n<pre><code>sudo systemctl start libvirtd\nsudo systemctl enable libvirtd<\/code><\/pre>\n<\/ol>\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 kvm \u548c kvm_intel \u6216 kvm_amd\uff0c\u5247\u8868\u793a KVM \u5df2\u6210\u529f\u5b89\u88dd\u3002<\/p>\n<h2 id=\"%e9%85%8d%e7%bd%ae%e7%b6%b2%e7%b5%a1%e6%a9%8b%e6%8e%a5-sGyHasXtlK\">\u914d\u7f6e\u7db2\u7d61\u6a4b\u63a5<\/h2>\n<p>\u70ba\u4e86\u8b93\u865b\u64ec\u6a5f\u80fd\u5920\u8a2a\u554f\u5916\u90e8\u7db2\u7d61\uff0c\u60a8\u9700\u8981\u914d\u7f6e\u7db2\u7d61\u6a4b\u63a5\u3002\u7de8\u8f2f\u7db2\u7d61\u914d\u7f6e\u6587\u4ef6\uff1a<\/p>\n<pre><code>sudo vi \/etc\/sysconfig\/network-scripts\/ifcfg-br0<\/code><\/pre>\n<p>\u5728\u6587\u4ef6\u4e2d\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\uff0c\u7de8\u8f2f\u60a8\u7684\u5be6\u9ad4\u7db2\u5361\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\u4ee5\u4e0b\u5167\u5bb9\u6dfb\u52a0\u5230\u6587\u4ef6\u4e2d\uff1a<\/p>\n<pre><code>DEVICE=eth0\nTYPE=Ethernet\nONBOOT=yes\nBRIDGE=br0<\/code><\/pre>\n<p>\u4fdd\u5b58\u4e26\u9000\u51fa\u5f8c\uff0c\u91cd\u555f\u7db2\u7d61\u670d\u52d9\uff1a<\/p>\n<pre><code>sudo systemctl restart network<\/code><\/pre>\n<h2 id=\"%e5%89%b5%e5%bb%ba%e8%99%9b%e6%93%ac%e6%a9%9f-sGyHasXtlK\">\u5275\u5efa\u865b\u64ec\u6a5f<\/h2>\n<p>\u73fe\u5728\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 virt-install \u547d\u4ee4\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 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\u500b\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\uff0c\u4e26\u4f7f\u7528 CentOS 7 \u7684\u5b89\u88dd\u6620\u50cf\u3002<\/p>\n<h2 id=\"%e7%ae%a1%e7%90%86%e8%99%9b%e6%93%ac%e6%a9%9f-sGyHasXtlK\">\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>\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 test-vm<\/code><\/li>\n<li>\u95dc\u9589\u865b\u64ec\u6a5f\uff1a<code>virsh shutdown test-vm<\/code><\/li>\n<li>\u522a\u9664\u865b\u64ec\u6a5f\uff1a<code>virsh undefine test-vm<\/code><\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-sGyHasXtlK\">\u7e3d\u7d50<\/h2>\n<p>\u5728\u9019\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u5011\u4ecb\u7d39\u4e86\u5982\u4f55\u5728 CentOS 7.2 \u4e0a\u5b89\u88dd KVM \u4e26\u9032\u884c\u521d\u6b65\u4f7f\u7528\u3002\u900f\u904e\u9019\u4e9b\u6b65\u9a5f\uff0c\u60a8\u53ef\u4ee5\u8f15\u9b06\u5730\u5275\u5efa\u548c\u7ba1\u7406\u865b\u64ec\u6a5f\uff0c\u5f9e\u800c\u63d0\u9ad8\u4f3a\u670d\u5668\u7684\u8cc7\u6e90\u5229\u7528\u7387\u3002\u5982\u679c\u60a8\u9700\u8981\u66f4\u9ad8\u6548\u7684\u865b\u64ec\u5316\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u670d\u52d9\uff0c\u9019\u5c07\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u548c\u9ad8\u6548\u7684\u4f3a\u670d\u5668\u74b0\u5883\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Learn how to install and use KVM on CentOS 7.2 with this comprehensive guide, covering setup, configuration, and initial usage tips.<\/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-42942","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/42942","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=42942"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/42942\/revisions"}],"predecessor-version":[{"id":42943,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/42942\/revisions\/42943"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=42942"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=42942"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=42942"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}