{"id":43570,"date":"2024-10-05T22:37:09","date_gmt":"2024-10-05T14:37:09","guid":{"rendered":"https:\/\/server.hk\/cnblog\/43570\/"},"modified":"2024-10-05T22:37:10","modified_gmt":"2024-10-05T14:37:10","slug":"centos-6-5-%e9%83%a8%e7%bd%b2-kvm-%e5%8f%8a%e5%af%a6%e7%8f%be%e5%9c%a8%e7%b7%9a%e9%81%b7%e7%a7%bb","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/43570\/","title":{"rendered":"CentOS 6.5 \u90e8\u7f72 KVM \u53ca\u5be6\u73fe\u5728\u7dda\u9077\u79fb"},"content":{"rendered":"

CentOS 6.5 \u90e8\u7f72 KVM \u53ca\u5be6\u73fe\u5728\u7dda\u9077\u79fb<\/h1>\n

\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 6.5 \u4e0a\u90e8\u7f72 KVM \u4e26\u5be6\u73fe\u5728\u7dda\u9077\u79fb\uff0c\u5e6b\u52a9\u7528\u6236\u66f4\u597d\u5730\u7ba1\u7406\u865b\u64ec\u6a5f\u3002<\/p>\n

\u4e00\u3001KVM \u7c21\u4ecb<\/h2>\n

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\u6bcf\u500b\u865b\u64ec\u6a5f\u90fd\u53ef\u4ee5\u904b\u884c\u81ea\u5df1\u7684\u64cd\u4f5c\u7cfb\u7d71\uff0c\u4e26\u4e14\u8207\u5176\u4ed6\u865b\u64ec\u6a5f\u76f8\u4e92\u9694\u96e2\u3002KVM \u7684\u512a\u52e2\u5728\u65bc\u5176\u6027\u80fd\u512a\u8d8a\uff0c\u4e26\u4e14\u80fd\u5920\u5145\u5206\u5229\u7528\u786c\u9ad4\u8cc7\u6e90\u3002<\/p>\n

\u4e8c\u3001\u5728 CentOS 6.5 \u4e0a\u5b89\u88dd KVM<\/h2>\n

1. \u78ba\u8a8d\u786c\u9ad4\u652f\u6301<\/h3>\n

\u5728\u5b89\u88dd KVM \u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u78ba\u8a8d\u7cfb\u7d71\u7684 CPU \u662f\u5426\u652f\u6301\u865b\u64ec\u5316\u6280\u8853\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5\uff1a<\/p>\n

egrep -c '(vmx|svm)' \/proc\/cpuinfo<\/code><\/pre>\n
\u5982\u679c\u8fd4\u56de\u7684\u6578\u5b57\u5927\u65bc 0\uff0c\u5247\u8868\u793a\u652f\u6301\u865b\u64ec\u5316\u3002<\/p>\n
2. \u5b89\u88dd\u5fc5\u8981\u7684\u8edf\u9ad4\u5305<\/h3>\n
\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88dd KVM \u53ca\u5176\u76f8\u95dc\u5de5\u5177\uff1a<\/p>\n
yum install qemu-kvm libvirt libvirt-python libguestfs-tools virt-install<\/code><\/pre>\n
3. \u555f\u52d5\u548c\u914d\u7f6e libvirt<\/h3>\n
\u5b89\u88dd\u5b8c\u6210\u5f8c\uff0c\u555f\u52d5 libvirt \u670d\u52d9\u4e26\u8a2d\u7f6e\u70ba\u958b\u6a5f\u81ea\u555f\uff1a<\/p>\n
service libvirtd start\nchkconfig libvirtd on<\/code><\/pre>\n
4. \u9a57\u8b49\u5b89\u88dd<\/h3>\n
\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5 KVM \u662f\u5426\u5b89\u88dd\u6210\u529f\uff1a<\/p>\n
virsh list --all<\/code><\/pre>\n
\u5982\u679c\u6c92\u6709\u932f\u8aa4\u4fe1\u606f\uff0c\u5247\u8868\u793a KVM \u5b89\u88dd\u6210\u529f\u3002<\/p>\n
\u4e09\u3001\u5275\u5efa\u865b\u64ec\u6a5f<\/h2>\n
\u4f7f\u7528 virt-install \u547d\u4ee4\u5275\u5efa\u865b\u64ec\u6a5f\uff0c\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\u547d\u4ee4\uff1a<\/p>\n
virt-install --name testvm --ram 1024 --disk path=\/var\/lib\/libvirt\/images\/testvm.img,size=10 --vcpus 1 --os-type linux --os-variant rhel6 --network network=default --graphics none --location http:\/\/mirror.centos.org\/centos\/6.5\/os\/x86_64\/<\/code><\/pre>\n
\u9019\u689d\u547d\u4ee4\u5c07\u5275\u5efa\u4e00\u500b\u540d\u70ba testvm \u7684\u865b\u64ec\u6a5f\uff0c\u5206\u914d 1GB \u7684\u5167\u5b58\u548c 10GB \u7684\u78c1\u789f\u7a7a\u9593\u3002<\/p>\n
\u56db\u3001\u5728\u7dda\u9077\u79fb\u865b\u64ec\u6a5f<\/h2>\n
\u5728\u7dda\u9077\u79fb\u662f\u6307\u5728\u4e0d\u95dc\u9589\u865b\u64ec\u6a5f\u7684\u60c5\u6cc1\u4e0b\uff0c\u5c07\u5176\u5f9e\u4e00\u53f0\u7269\u7406\u4e3b\u6a5f\u9077\u79fb\u5230\u53e6\u4e00\u53f0\u7269\u7406\u4e3b\u6a5f\u3002\u9019\u5c0d\u65bc\u8ca0\u8f09\u5747\u8861\u548c\u7dad\u8b77\u975e\u5e38\u91cd\u8981\u3002<\/p>\n
1. \u6e96\u5099\u5de5\u4f5c<\/h3>\n
\u78ba\u4fdd\u6e90\u4e3b\u6a5f\u548c\u76ee\u6a19\u4e3b\u6a5f\u90fd\u5df2\u5b89\u88dd KVM \u4e26\u4e14\u53ef\u4ee5\u76f8\u4e92\u901a\u4fe1\u3002\u9700\u8981\u5728\u5169\u53f0\u4e3b\u6a5f\u4e0a\u914d\u7f6e\u76f8\u540c\u7684\u7db2\u7d61\u548c\u5b58\u5132\u3002<\/p>\n
2. \u4f7f\u7528 virsh \u547d\u4ee4\u9032\u884c\u9077\u79fb<\/h3>\n
\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u9032\u884c\u5728\u7dda\u9077\u79fb\uff1a<\/p>\n
virsh migrate --live testvm qemu+ssh:\/\/target_host\/system<\/code><\/pre>\n
\u9019\u689d\u547d\u4ee4\u5c07 testvm \u865b\u64ec\u6a5f\u5728\u7dda\u9077\u79fb\u5230\u540d\u70ba target_host \u7684\u4e3b\u6a5f\u4e0a\u3002<\/p>\n
\u4e94\u3001\u7e3d\u7d50<\/h2>\n
\u672c\u6587\u4ecb\u7d39\u4e86\u5982\u4f55\u5728 CentOS 6.5 \u4e0a\u90e8\u7f72 KVM \u4e26\u5be6\u73fe\u5728\u7dda\u9077\u79fb\u3002KVM \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u865b\u64ec\u5316\u6280\u8853\uff0c\u80fd\u5920\u5e6b\u52a9\u7528\u6236\u66f4\u597d\u5730\u7ba1\u7406\u8cc7\u6e90\uff0c\u63d0\u9ad8\u7cfb\u7d71\u7684\u9748\u6d3b\u6027\u548c\u53ef\u7528\u6027\u3002\u5982\u679c\u60a8\u5c0d\u65bc\u865b\u64ec\u5316\u6280\u8853\u6709\u9032\u4e00\u6b65\u7684\u9700\u6c42\uff0c\u5efa\u8b70\u8003\u616e\u4f7f\u7528 \u9999\u6e2fVPS<\/a> \u670d\u52d9\uff0c\u4ee5\u7372\u5f97\u66f4\u7a69\u5b9a\u548c\u9ad8\u6548\u7684\u904b\u884c\u74b0\u5883\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5b78\u7fd2\u5982\u4f55\u5728 CentOS 6.5 \u4e0a\u90e8\u7f72 KVM \u4e26\u5be6\u73fe\u5728\u7dda\u9077\u79fb\uff0c\u63d0\u5347\u865b\u64ec\u5316\u7ba1\u7406\u6548\u7387\u8207\u9748\u6d3b\u6027\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-43570","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/43570","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=43570"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/43570\/revisions"}],"predecessor-version":[{"id":43571,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/43570\/revisions\/43571"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=43570"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=43570"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=43570"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}