{"id":45234,"date":"2024-10-06T21:26:15","date_gmt":"2024-10-06T13:26:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/45234\/"},"modified":"2024-10-06T21:26:15","modified_gmt":"2024-10-06T13:26:15","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8-centos-7-rhel-7-%e7%9a%84-kvm-%e4%b8%8a%e5%95%9f%e7%94%a8%e5%b5%8c%e5%a5%97%e8%99%9b%e6%93%ac%e5%8c%96","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/45234\/","title":{"rendered":"\u5982\u4f55\u5728 CentOS 7\/RHEL 7 \u7684 KVM \u4e0a\u555f\u7528\u5d4c\u5957\u865b\u64ec\u5316"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e5%9c%a8-centos-7-rhel-7-%e7%9a%84-kvm-%e4%b8%8a%e5%95%9f%e7%94%a8%e5%b5%8c%e5%a5%97%e8%99%9b%e6%93%ac%e5%8c%96-xlEuVFjEfJ\">\u5982\u4f55\u5728 CentOS 7\/RHEL 7 \u7684 KVM \u4e0a\u555f\u7528\u5d4c\u5957\u865b\u64ec\u5316<\/h1>\n<p>\u96a8\u8457\u865b\u64ec\u5316\u6280\u8853\u7684\u5feb\u901f\u767c\u5c55\uff0c\u5d4c\u5957\u865b\u64ec\u5316\u6210\u70ba\u4e86\u8a31\u591a\u4f01\u696d\u548c\u958b\u767c\u8005\u7684\u71b1\u9580\u9078\u64c7\u3002\u5d4c\u5957\u865b\u64ec\u5316\u5141\u8a31\u5728\u865b\u64ec\u6a5f\u5167\u90e8\u904b\u884c\u865b\u64ec\u6a5f\uff0c\u9019\u5c0d\u65bc\u6e2c\u8a66\u548c\u958b\u767c\u74b0\u5883\u5c24\u70ba\u91cd\u8981\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5728 CentOS 7 \u6216 RHEL 7 \u7684 KVM \u4e0a\u555f\u7528\u5d4c\u5957\u865b\u64ec\u5316\u3002<\/p>\n<h2 id=\"%e5%89%8d%e6%8f%90%e6%a2%9d%e4%bb%b6-xlEuVFjEfJ\">\u524d\u63d0\u689d\u4ef6<\/h2>\n<p>\u5728\u958b\u59cb\u4e4b\u524d\uff0c\u60a8\u9700\u8981\u78ba\u4fdd\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u60a8\u7684\u786c\u9ad4\u652f\u6301\u865b\u64ec\u5316\u6280\u8853\uff08\u5982 Intel VT-x \u6216 AMD-V\uff09\u3002<\/li>\n<li>\u5df2\u5b89\u88dd KVM \u548c\u76f8\u95dc\u7684\u865b\u64ec\u5316\u5de5\u5177\u3002<\/li>\n<li>\u64c1\u6709 root \u6b0a\u9650\u4ee5\u9032\u884c\u5fc5\u8981\u7684\u914d\u7f6e\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%aa%a2%e6%9f%a5%e8%99%9b%e6%93%ac%e5%8c%96%e6%94%af%e6%8c%81-xlEuVFjEfJ\">\u6aa2\u67e5\u865b\u64ec\u5316\u652f\u6301<\/h2>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u6aa2\u67e5\u60a8\u7684 CPU \u662f\u5426\u652f\u6301\u865b\u64ec\u5316\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u78ba\u8a8d\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-%e5%92%8c%e7%9b%b8%e9%97%9c%e5%b7%a5%e5%85%b7-xlEuVFjEfJ\">\u5b89\u88dd KVM \u548c\u76f8\u95dc\u5de5\u5177<\/h2>\n<p>\u5982\u679c\u5c1a\u672a\u5b89\u88dd KVM\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u9032\u884c\u5b89\u88dd\uff1a<\/p>\n<pre><code>yum install -y qemu-kvm libvirt virt-install bridge-utils<\/code><\/pre>\n<p>\u5b89\u88dd\u5b8c\u6210\u5f8c\uff0c\u555f\u52d5 libvirt \u670d\u52d9\uff1a<\/p>\n<pre><code>systemctl start libvirtd<\/code><\/pre>\n<h2 id=\"%e5%95%9f%e7%94%a8%e5%b5%8c%e5%a5%97%e8%99%9b%e6%93%ac%e5%8c%96-xlEuVFjEfJ\">\u555f\u7528\u5d4c\u5957\u865b\u64ec\u5316<\/h2>\n<p>\u63a5\u4e0b\u4f86\uff0c\u60a8\u9700\u8981\u555f\u7528\u5d4c\u5957\u865b\u64ec\u5316\u3002\u9019\u53ef\u4ee5\u901a\u904e\u7de8\u8f2f KVM \u6a21\u7d44\u7684\u914d\u7f6e\u6587\u4ef6\u4f86\u5be6\u73fe\u3002\u9996\u5148\uff0c\u6aa2\u67e5\u60a8\u7684 CPU \u578b\u865f\uff1a<\/p>\n<pre><code>lscpu<\/code><\/pre>\n<p>\u6839\u64da\u60a8\u7684 CPU \u578b\u865f\uff0c\u60a8\u9700\u8981\u7de8\u8f2f\u76f8\u61c9\u7684\u6a21\u7d44\u914d\u7f6e\u6587\u4ef6\u3002\u5c0d\u65bc Intel CPU\uff0c\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>echo \"options kvm-intel nested=1\" &gt; \/etc\/modprobe.d\/kvm-intel.conf<\/code><\/pre>\n<p>\u5c0d\u65bc AMD CPU\uff0c\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>echo \"options kvm-amd nested=1\" &gt; \/etc\/modprobe.d\/kvm-amd.conf<\/code><\/pre>\n<p>\u5b8c\u6210\u5f8c\uff0c\u91cd\u65b0\u52a0\u8f09 KVM \u6a21\u7d44\uff1a<\/p>\n<pre><code>modprobe -r kvm-intel<\/code><\/pre>\n<pre><code>modprobe kvm-intel<\/code><\/pre>\n<p>\u6216\u5c0d\u65bc AMD\uff1a<\/p>\n<pre><code>modprobe -r kvm-amd<\/code><\/pre>\n<pre><code>modprobe kvm-amd<\/code><\/pre>\n<h2 id=\"%e9%a9%97%e8%ad%89%e5%b5%8c%e5%a5%97%e8%99%9b%e6%93%ac%e5%8c%96%e6%98%af%e5%90%a6%e5%95%9f%e7%94%a8-xlEuVFjEfJ\">\u9a57\u8b49\u5d4c\u5957\u865b\u64ec\u5316\u662f\u5426\u555f\u7528<\/h2>\n<p>\u8981\u78ba\u8a8d\u5d4c\u5957\u865b\u64ec\u5316\u662f\u5426\u6210\u529f\u555f\u7528\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>cat \/sys\/module\/kvm_intel\/parameters\/nested<\/code><\/pre>\n<p>\u5982\u679c\u8fd4\u56de\u503c\u70ba 1\uff0c\u5247\u8868\u793a\u5d4c\u5957\u865b\u64ec\u5316\u5df2\u6210\u529f\u555f\u7528\u3002<\/p>\n<h2 id=\"%e5%89%b5%e5%bb%ba%e5%b5%8c%e5%a5%97%e8%99%9b%e6%93%ac%e6%a9%9f-xlEuVFjEfJ\">\u5275\u5efa\u5d4c\u5957\u865b\u64ec\u6a5f<\/h2>\n<p>\u73fe\u5728\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 virt-install \u547d\u4ee4\u5275\u5efa\u5d4c\u5957\u865b\u64ec\u6a5f\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\u547d\u4ee4\uff1a<\/p>\n<pre><code>virt-install --name nested-vm --ram 2048 --disk path=\/var\/lib\/libvirt\/images\/nested-vm.img,size=10 --vcpus 2 --os-type linux --os-variant centos7 --network network=default --graphics none --location http:\/\/mirror.centos.org\/centos\/7\/os\/x86_64\/ --extra-args 'console=ttyS0,115200n8 serial'<\/code><\/pre>\n<p>\u9019\u500b\u547d\u4ee4\u5c07\u5275\u5efa\u4e00\u500b\u540d\u70ba nested-vm \u7684\u865b\u64ec\u6a5f\uff0c\u4e26\u5206\u914d 2GB \u7684\u5167\u5b58\u548c 2 \u500b\u865b\u64ec CPU\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-xlEuVFjEfJ\">\u7e3d\u7d50<\/h2>\n<p>\u5728 CentOS 7\/RHEL 7 \u7684 KVM \u4e0a\u555f\u7528\u5d4c\u5957\u865b\u64ec\u5316\u662f\u4e00\u500b\u76f8\u5c0d\u7c21\u55ae\u7684\u904e\u7a0b\uff0c\u53ea\u9700\u5e7e\u500b\u6b65\u9a5f\u5373\u53ef\u5b8c\u6210\u3002\u9019\u4f7f\u5f97\u958b\u767c\u8005\u548c\u7cfb\u7d71\u7ba1\u7406\u54e1\u80fd\u5920\u5728\u865b\u64ec\u74b0\u5883\u4e2d\u9032\u884c\u66f4\u9748\u6d3b\u7684\u6e2c\u8a66\u548c\u958b\u767c\u3002\u82e5\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\u6e2fVPS<\/a> \u670d\u52d9\uff0c\u63d0\u4f9b\u7a69\u5b9a\u548c\u9ad8\u6548\u7684\u865b\u64ec\u5316\u74b0\u5883\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5728 CentOS 7\/RHEL 7 \u7684 KVM \u4e0a\u555f\u7528\u5d4c\u5957\u865b\u64ec\u5316\uff0c\u63d0\u5347\u865b\u64ec\u6a5f\u6027\u80fd\u8207\u7ba1\u7406\u6548\u7387\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-45234","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/45234","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=45234"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/45234\/revisions"}],"predecessor-version":[{"id":45235,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/45234\/revisions\/45235"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=45234"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=45234"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=45234"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}