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\u96a8\u7740\u96f2\u8a08\u7b97\u6280\u8853\u7684\u4e0d\u65b7\u6210\u719f\uff0c\u865b\u64ec\u5316\u5df2\u7d93\u6210\u70ba\u4e86\u6578\u64da\u4e2d\u5fc3\u548c\u4f01\u696dIT\u57fa\u790e\u67b6\u69cb\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002KVM\u4f5c\u70ba\u4e00\u7a2e\u4e3b\u6d41\u7684\u958b\u6e90\u865b\u64ec\u5316\u89e3\u6c7a\u65b9\u6848\uff0c\u56e0\u5176\u9ad8\u6027\u80fd\u548c\u826f\u597d\u7684Linux\u96c6\u6210\u6027\u800c\u5ee3\u53d7\u6b61\u8fce\u3002\u672c\u6587\u5c07\u63a2\u8a0eCentos7\u7684\u865b\u64ec\u6a5f\u5b89\u88dd\u65b9\u6cd5\uff0c\u4e26\u4f7f\u7528virt-install\u5de5\u5177\u9032\u884c\u7ba1\u7406\u3002<\/p>\n
[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text]<\/p>\n
KVM\uff08Kernel-based Virtual Machine\uff09\u662f\u4e00\u7a2e\u57fa\u65bc\u5167\u6838\u7684\u865b\u64ec\u5316\u6280\u8853\uff0c\u5b83\u5c07Linux\u5167\u6838\u8f49\u8b8a\u70ba\u4e00\u500b\u985e\u578b\u7ba1\u7406\u7a0b\u5e8f\uff08hypervisor\uff09\uff0c\u5141\u8a31\u7528\u6236\u5728\u4e00\u500b\u7269\u7406\u6a5f\u4e0a\u904b\u884c\u591a\u500b\u865b\u64ec\u6a5f\u3002\u8207\u5176\u4ed6\u865b\u64ec\u5316\u89e3\u6c7a\u65b9\u6848\u76f8\u6bd4\uff0cKVM\u7684\u4e00\u500b\u512a\u52e2\u5728\u65bc\u5176\u5929\u7136\u96c6\u6210\u65bcLinux\u5167\u6838\u4e2d\uff0c\u63d0\u4f9b\u4e86\u66f4\u597d\u7684\u6027\u80fd\u548c\u8f03\u4f4e\u7684\u5ef6\u9072\u3002<\/p>\n
\u96d6\u7136KVM\u70ba\u865b\u64ec\u6a5f\u63d0\u4f9b\u4e86CPU\u548c\u5167\u5b58\u7684\u865b\u64ec\u5316\u652f\u6301\uff0c\u4f46\u5b83\u9700\u8981QEMU\u4f86\u6a21\u64ecIO\u8a2d\u5099\uff0c\u4e26\u63d0\u4f9b\u7528\u6236\u7a7a\u9593\u7684\u7ba1\u7406\u3002\u7c21\u800c\u8a00\u4e4b\uff0cKVM\u8ca0\u8cac\u63d0\u4f9b\u786c\u4f53\u52a0\u901f\u7684\u865b\u64ec\u5316\u652f\u6301\uff0c\u800cQEMU\u5247\u8ca0\u8cac\u6a21\u64ec\u5916\u570d\u8a2d\u5099\uff0c\u4e8c\u8005\u5171\u540c\u5de5\u4f5c\u63d0\u4f9b\u5b8c\u6574\u7684\u865b\u64ec\u5316\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n
[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text]<\/p>\n
\u5728CentOS 7\u4e0a\u5b89\u88ddKVM\u4e4b\u524d\uff0c\u60a8\u9700\u8981\u78ba\u4fdd\u6eff\u8db3\u4ee5\u4e0b\u689d\u4ef6\uff1a<\/p>\n
\u60a8\u7684CPU\u5fc5\u9808\u652f\u6301\u786c\u4f53\u865b\u64ec\u5316\u6280\u8853\uff08Intel VT\u6216AMD-V\uff09\u3002\u904b\u884c\u4ee5\u4e0b\u547d\u4ee4\u4f86\u6aa2\u67e5CPU\u662f\u5426\u5177\u6709\u865b\u64ec\u5316\u80fd\u529b\uff1a<\/p>\n
grep -E 'vmx|svm' \/proc\/cpuinfo<\/code><\/pre>\n\u5982\u679c\u51fa\u73fe\u4e86vmx\uff08Intel\uff09\u6216svm\uff08AMD\uff09\u6a19\u8a8c\uff0c\u8aaa\u660e\u60a8\u7684CPU\u5177\u5099\u865b\u64ec\u5316\u529f\u80fd\u3002<\/p>\n
\u958b\u555fBIOS\u4e2d\u7684\u865b\u64ec\u5316\u9078\u9805<\/strong><\/h3>\n\u5728BIOS\u8a2d\u7f6e\u4e2d\u555f\u7528CPU\u7684\u865b\u64ec\u5316\u529f\u80fd\uff0c\u9019\u662f\u4f7f\u7528KVM\u7684\u5fc5\u8981\u689d\u4ef6\u3002<\/p>\n
\u5b89\u88ddKVM\u53ca\u76f8\u95dc\u5de5\u5177<\/strong><\/h3>\n\u63a5\u4e0b\u4f86\uff0c\u60a8\u9700\u8981\u5b89\u88ddKVM\u53ca\u5176\u76f8\u95dc\u5de5\u5177\u5305\u3002\u5728CentOS 7\u4e2d\uff0c\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u5b89\u88dd\u6240\u9700\u7684\u8edf\u4f53\u5305\uff1a<\/p>\n
yum install -y qemu-kvm libvirt virt-install bridge-utils<\/code><\/pre>\n[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text]<\/p>\n
\u5275\u5efa\u548c\u7ba1\u7406KVM\u865b\u64ec\u6a5f<\/strong><\/h2>\n\u5b89\u88dd\u597d\u76f8\u95dc\u5de5\u5177\u5f8c\uff0c\u60a8\u53ef\u4ee5\u958b\u59cb\u5275\u5efa\u548c\u7ba1\u7406KVM\u865b\u64ec\u6a5f\u4e86\u3002<\/p>\n
\u5275\u5efa\u865b\u64ec\u6a5f\u78c1\u76e4<\/strong><\/h3>\n\u4f7f\u7528qemu-img\u547d\u4ee4\u4f86\u5275\u5efa\u4e00\u500b\u865b\u64ec\u78c1\u76e4\uff1a<\/p>\n
qemu-img create -f qcow2 \/var\/lib\/libvirt\/images\/centos7.qcow2 20G<\/code><\/pre>\n\u4e0a\u8ff0\u547d\u4ee4\u5c07\u6703\u5728\/var\/lib\/libvirt\/images\/\u76ee\u9304\u4e0b\u5275\u5efa\u4e00\u500b\u540d\u70bacentos7.qcow2\uff0c\u5927\u5c0f\u70ba20GB\u7684\u865b\u64ec\u78c1\u76e4\u6587\u4ef6\u3002<\/p>\n
\u4f7f\u7528virt-install\u5275\u5efa\u865b\u64ec\u6a5f<\/strong><\/h3>\n\u901a\u904evirt-install\u547d\u4ee4\u4f86\u5275\u5efa\u65b0\u7684\u865b\u64ec\u6a5f\u5be6\u4f8b\uff1a<\/p>\n
virt-install --virt-type kvm \\\r\n--name centos7vm \\\r\n--ram 2048 \\\r\n--vcpus 2 \\\r\n--os-variant centos7.0 \\\r\n--cdrom=\/path\/to\/your.iso \\\r\n--network bridge=br0,model=virtio \\\r\n--graphics none \\\r\n--disk path=\/var\/lib\/libvirt\/images\/centos7.qcow2,size=20,bus=virtio,format=qcow2<\/code><\/pre>\n[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"
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