{"id":4825,"date":"2021-01-13T23:25:28","date_gmt":"2021-01-13T15:25:28","guid":{"rendered":"http:\/\/www.menglanglang.cn\/?p=4825"},"modified":"2021-05-24T18:47:38","modified_gmt":"2021-05-24T10:47:38","slug":"kvm-%e7%ae%80%e8%a6%81%e4%bb%8b%e7%bb%8d%e5%8f%8a%e5%9c%a8-centos-%e4%b8%ad%e5%ae%89%e8%a3%85%e6%b5%8b%e8%af%95","status":"publish","type":"post","link":"http:\/\/www.menglanglang.cn\/?p=4825","title":{"rendered":"KVM \u7b80\u8981\u4ecb\u7ecd\u53ca\u5728 CentOS \u4e2d\u5b89\u88c5\u6d4b\u8bd5"},"content":{"rendered":"\n

KVM \u7684\u5168\u79f0 Kernel-based Virtual Machine\uff0c\u662f\u6307\u57fa\u4e8e\u5185\u6838\u7684\u865a\u62df\u673a\uff0c\u5b83\u662f\u4e00\u4e2a Linux \u7cfb\u7edf\u7684\u4e00\u4e2a\u5185\u6838\u6a21\u5757\uff0c\u4ece Linux 2.6.20 \u8d77\u5c31\u4f5c\u4e3a\u4e00\u6a21\u5757\u88ab\u5305\u542b\u5728 Linux \u5185\u6838\u4e2d\uff0c\u8be5\u5185\u6838\u6a21\u5757\u53ef\u4ee5\u4f7f\u5f97 Linux \u53d8\u6210\u4e86\u4e00\u4e2a Hypervisor\u3002<\/p>\n\n\n\n

\u90a3\u4ec0\u4e48\u53c8\u662f Hypervisor \u5462\uff1fHypervisor \u53c8\u79f0\u865a\u62df\u673a\u76d1\u89c6\u5668\uff08\u82f1\u8bed\uff1avirtual machine monitor\uff0c\u7f29\u5199\u4e3a VMM\uff09\uff0c\u662f\u7528\u6765\u5efa\u7acb\u4e0e\u6267\u884c\u865a\u62df\u673a\u5668\u7684\u8f6f\u4ef6\u3001\u56fa\u4ef6\u6216\u786c\u4ef6\u3002hypervisor \u63d0\u4f9b\u865a\u62df\u7684\u4f5c\u4e1a\u5e73\u53f0\u6765\u6267\u884c\u865a\u62df\u64cd\u4f5c\u7cfb\u7edf\uff0c\u800c\u8fd9\u4e9b\u865a\u62df\u64cd\u4f5c\u7cfb\u7edf\u53ef\u4ee5\u5171\u4eab Hypervisor \u6240\u5728\u673a\u5668\u7684\u786c\u4ef6\u8d44\u6e90\u3002<\/p>\n\n\n\n

\u90a3\u63a5\u4e0b\u6765\u7b80\u5355\u8bf4\u8bf4\u5982\u4f55\u5728 CentOS \u64cd\u4f5c\u7cfb\u7edf\u4e2d\u5b89\u88c5 KVM\uff0c\u5e76\u5982\u4f55\u901a\u8fc7 KVM \u518d\u865a\u62df\u5316\u521b\u5efa\u64cd\u4f5c\u7cfb\u7edf\u3002<\/p>\n\n\n\n

\u57fa\u672c\u73af\u5883<\/h3>\n\n\n\n

\u6d4b\u8bd5\u7cfb\u7edf\uff1aCentOS-7.9-x86_64-Minimal-2009<\/p>\n\n\n\n

yum\u6e90\uff1a\u53ef\u4ee5\u6309\u7167\u81ea\u5df1\u9700\u6c42\u7528\u54ea\u4e2a yum \u6e90\u90fd\u884c\uff0c\u5177\u4f53 yum \u6e90\u7684\u914d\u7f6e\uff0c\u53ef\u4ee5\u53c2\u8003\u6587\u7ae0\u300a\u5982\u4f55\u642d\u5efa yum \u6e90\u79c1\u670d\u53ca\u914d\u7f6e\u4f7f\u7528\u79c1\u670d<\/a>\u300b\uff0c\u8fd9\u91cc\u6d4b\u8bd5\u7528\u7684 yum \u6e90\u79c1\u670d\u3002<\/p>\n\n\n\n

\u7b2c\u4e00\u6b65\uff0c\u5b89\u88c5 KVM \u53ca\u76f8\u5173\u8f6f\u4ef6<\/h3>\n\n\n\n

\u5728 CentOS 6 \u4e2d\u7528\u4e0b\u9762\u7684\u547d\u4ee4\u5b89\u88c5\u5373\u53ef\u3002<\/p>\n\n\n\n

\u547d\u4ee4\uff1ayum install qemu-kvm virt-manager libvirt libvirt-python python-virtinst bridge-utils<\/p>\n\n\n\n

\u4f46\u5728 CentOS 7 \u4e2d\u7528\u4ee5\u4e0a\u547d\u4ee4\u5b89\u88c5\u65f6\uff0c\u53d1\u73b0\u63d0\u793a\u5982\u4e0b\u4fe1\u606f\u3002<\/p>\n\n\n\n

No package python-virtinst available.<\/p>\n\n\n\n

\u6362\u4e86\u963f\u91cc\u4e91\u7684 yum \u6e90\uff0c\u4e5f\u6ca1\u6cd5\u4e0b\u8f7d\u8be5\u5305\uff0c\u901a\u8fc7\u67e5\u627e\uff0c\u53d1\u73b0\u5728 CentOS 7 \u4e2d\uff0c\u53ea\u8981\u6309\u7167\u4e0b\u9762\u547d\u4ee4\u5b89\u88c5\u5373\u53ef\u3002<\/p>\n\n\n\n

\u547d\u4ee4\uff1ayum install qemu-kvm virt-*<\/strong> libvirt bridge-utils qemu-img<\/p>\n\n\n\n

\u7b2c\u4e8c\u6b65\uff0c\u68c0\u67e5 KVM \u662f\u5426\u5df2\u5d4c\u5165\u5230 Linux \u5185\u6838<\/h3>\n\n\n\n

\u5728\u7b2c\u4e00\u6b65\u64cd\u4f5c\u4e4b\u524d\uff0c\u53ef\u4ee5\u53d1\u73b0\u4e0b\u9762\u7684\u547d\u4ee4\u8f93\u51fa\u4e3a\u7a7a\u3002<\/p>\n\n\n\n

\u547d\u4ee4\uff1alsmod | grep kvm<\/p>\n\n\n\n

\u7b2c\u4e00\u6b65\u5b89\u88c5\u76f8\u5173\u8f6f\u4ef6\u540e\uff0c\u6267\u884c\u4ee5\u4e0a\u547d\u4ee4\u8f93\u51fa\u7ed3\u679c\u5982\u4e0b\u3002<\/p>\n\n\n\n

CentOS 6\uff1a<\/strong><\/p>

kvm_intel              55432  0 
kvm                   346318  1 kvm_intel<\/p>

CentOS 7\uff1a<\/strong><\/p>

kvm_intel             188740  3 
kvm                   637289  1 kvm_intel
irqbypass              13503  3 kvm<\/p><\/blockquote>\n\n\n\n

\u5982\u679c\u6309\u7167\u6b65\u9aa4\u6267\u884c\uff0c\u6ca1\u5d4c\u5165\u5185\u6838\u7684\u8bdd\uff0c\u53ef\u4ee5\u624b\u52a8\u6267\u884c\u547d\u4ee4\uff0c\u5d4c\u5165\u5230 Linux \u5185\u6838\u3002\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n\n\n\n

\u547d\u4ee41\uff1amodprobe kvm<\/p>\n\n\n\n

\u547d\u4ee42\uff1amodprobe kvm-intel<\/p>\n\n\n\n

\u7b2c\u4e09\u6b65\uff0c\u5173\u95ed\u9632\u706b\u5899\uff0c\u542f\u52a8\u865a\u62df\u5316\u670d\u52a1<\/h3>\n\n\n\n

CentOS 6 \u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n\n\n\n

\u9ed8\u8ba4\u5173\u95ed\u9632\u706b\u5899\uff1a
service iptables stop
chkconfig iptables off
chkconfig iptables --list
\u9ed8\u8ba4\u542f\u52a8\u865a\u62df\u5316\uff1a
service libvirtd start
chkconfig libvirtd on
chkconfig libvirtd --list<\/p><\/blockquote>\n\n\n\n

CentOS 7 \u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n\n\n\n

\u9ed8\u8ba4\u5173\u95ed\u9632\u706b\u5899\uff1a
systemctl stop firewalld
systemctl disable firewalld
systemctl status firewalld
\u9ed8\u8ba4\u542f\u52a8\u865a\u62df\u5316\uff1a
systemctl start libvirtd
systemctl enable libvirtd
systemctl status libvirtd<\/p><\/blockquote>\n\n\n\n

\u7b2c\u56db\u6b65\uff0c\u4e0a\u4f20\u6d4b\u8bd5\u7684\u64cd\u4f5c\u7cfb\u7edf\u955c\u50cf<\/h3>\n\n\n\n

\u521b\u5efa\u6d4b\u8bd5\u76ee\u5f55\u3002<\/p>\n\n\n\n

\u547d\u4ee4\uff1amkdir \/kvm<\/p>\n\n\n\n

\u4e0a\u4f20\u6d4b\u8bd5\u7684\u64cd\u4f5c\u7cfb\u7edf\u955c\u50cf\u5230\u8be5\u76ee\u5f55\uff0c\u8fd9\u91cc\u4ee5 CentOS-6.5-i386-minimal.iso \u4f5c\u4e3a\u6d4b\u8bd5\u955c\u50cf\u3002<\/p>\n\n\n\n

\u5207\u6362\u5230\u8be5\u76ee\u5f55\u3002<\/p>\n\n\n\n

\u547d\u4ee4\uff1acd \/kvm<\/p>\n\n\n\n

\u7b2c\u4e94\u6b65\uff0c\u521b\u5efa\u6d4b\u8bd5\u5b89\u88c5\u76d8<\/h3>\n\n\n\n

\u547d\u4ee4\uff1aqemu-img create -f qcow2 \/kvm\/centos-6.5.qcow2 10G<\/p>\n\n\n\n

\u8f93\u51fa\u7ed3\u679c\uff1aFormatting '\/kvm\/centos-6.5.qcow2', fmt=qcow2 size=10737418240 encryption=off cluster_size=65536 lazy_refcounts=off <\/p>\n\n\n\n

\u770b\u5230\u5982\u4e0a\u7ed3\u679c\uff0c\u8bf4\u660e\u5b89\u88c5\u76d8\u521b\u5efa\u6210\u529f\uff0c\u53ef\u4ee5 ls -l \u67e5\u770b\u5f53\u524d\u76ee\u5f55\u4e0b\u7684\u521b\u5efa\u7ed3\u679c\u3002<\/p>\n\n\n\n

\"\"<\/p>\n\n\n\n

\u7b2c\u516d\u6b65\uff0c\u5728\u8be5\u5b89\u88c5\u76d8\u4e0a\u521b\u5efa\u6d4b\u8bd5\u865a\u62df\u673a<\/h3>\n\n\n\n

\u547d\u4ee4\u5982\u4e0b\uff0c\u6ce8\u610f\u6807\u7ea2\u90e8\u5206\uff0c\u4e0d\u8981\u5199\u9519\uff1a<\/p>\n\n\n\n

virt-install --virt-type kvm --name centos-6.5 --ram 1024 \\
--vcpus 1 \\
--cdrom=\/kvm\/CentOS-6.5-i386-minimal.iso \\
--disk \/kvm\/centos-6.5.qcow2,format=qcow2 \\
--network network=default \\
--graphics vnc,listen=0.0.0.0 --noautoconsole \\
--os-type=linux --os-variant=rhel6<\/p><\/blockquote>\n\n\n\n

\u8f93\u51fa\u7ed3\u679c\u5982\u4e0b\uff1a<\/p>\n\n\n\n

Starting install...
Domain installation still in progress. You can reconnect to 
the console to complete the installation process.<\/p><\/blockquote>\n\n\n\n

\u770b\u5230\u5982\u4e0a\u7ed3\u679c\uff0c\u8bf4\u660e\u5f00\u59cb\u521b\u5efa\u4e86\u3002<\/p>\n\n\n\n

\u7b2c\u4e03\u6b65\uff0c\u901a\u8fc7 VNC \u5de5\u5177\u8fde\u63a5\u7ee7\u7eed\u521b\u5efa<\/h3>\n\n\n\n

\u6ce8\u610f\uff0c\u5982\u679c\u662f\u7b2c\u4e00\u6b21\u521b\u5efa\uff0c\u7aef\u53e3\u9ed8\u8ba4\u662f 5900\uff0c\u5982\u679c\u518d\u521b\u5efa\u4e00\u6b21\uff0c\u662f 5901\uff0c\u4ee5\u6b64\u7c7b\u63a8\u3002<\/p>\n\n\n\n

\"\"\u200b<\/p>\n\n\n\n

\u8fde\u63a5\u6210\u529f\u540e\uff0c\u5982\u4e0b\uff1a<\/p>\n\n\n\n

\"\"<\/p>\n\n\n\n

\u5269\u4e0b\u7684\u5b89\u88c5\u6b65\u9aa4\uff0c\u662f\u5e38\u89c4\u7684 Linux \u7cfb\u7edf\u5b89\u88c5\u8fc7\u7a0b\uff0c\u4e00\u6b65\u6b65\u64cd\u4f5c\u5373\u53ef\u3002\u5982\u679c\u4e0d\u77e5\u9053\u5982\u4f55\u64cd\u4f5c\uff0c\u53ef\u4ee5\u53c2\u8003\u6587\u7ae0\u300aWindows\u5b89\u88c5CentOS\u7cfb\u7edf\u56fe\u6587\u6559\u7a0b\u8be6\u89e3<\/a>\u300b\uff0c\u5176\u4e2d CentOS 6.5 \u7684\u5b89\u88c5\u622a\u56fe\uff0c\u5b8c\u5168\u7b26\u5408\u8fd9\u91cc\u7684\u64cd\u4f5c\u6b65\u9aa4\uff0c\u6309\u7167\u622a\u56fe\u4e00\u6b65\u6b65\u64cd\u4f5c\u5373\u53ef\u3002<\/p>\n\n\n\n

\"\"<\/p>\n\n\n\n

\u5230\u6b64\uff0cKVM \u7684\u5b89\u88c5\u548c\u7b80\u5355\u6d4b\u8bd5\u5df2\u57fa\u672c\u5b8c\u6210\uff0c\u5bf9\u4e0a\u9762\u5b89\u88c5\u7684\u6d4b\u8bd5\u865a\u62df\u673a\u60f3\u64cd\u4f5c\uff0c\u53ef\u4ee5\u53c2\u8003\u4e0b\u9762\u9644\u5f55\u90e8\u5206\u7684\u547d\u4ee4\u3002<\/p>\n\n\n\n

\u9644\u5f55\uff1avirsh \u76f8\u5173\u547d\u4ee4<\/h3>\n\n\n\n

\u5728\u521b\u5efa\u865a\u62df\u673a\u7684\u8fc7\u7a0b\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7 virsh \u547d\u4ee4\u67e5\u770b\u865a\u62df\u673a\u5f53\u524d\u72b6\u6001\uff0c\u5176\u4e2d virsh \u662f\u57fa\u4e8e libvirt \u7684\u547d\u4ee4\u884c\u5de5\u5177\u3002<\/p>\n\n\n\n

[root@test243 kvm]# virsh
Welcome to virsh, the virtualization interactive terminal.<\/p>

Type:  'help' for help with commands
       'quit' to quit<\/p>

virsh # list --all
 Id    Name                           State
----------------------------------------------------
 1     centos-6.5                     running
 2     centos-6.5-2                   running<\/p>

virsh # destroy 1
Domain 1 destroyed<\/p>

virsh # destroy 2
Domain 2 destroyed<\/p>

virsh # list --all
 Id    Name                           State
----------------------------------------------------
 -     centos-6.5                     shut off
 -     centos-6.5-2                   shut off<\/p>

virsh # undefine centos-6.5-2
Domain centos-6.5-2 has been undefined<\/p>

virsh # start centos-6.5
Domain centos-6.5 started<\/p>

virsh # list --all      
 Id    Name                           State
----------------------------------------------------
 1     centos-6.5                     running<\/p><\/blockquote>\n\n\n\n

\"\"<\/p>\n\n\n\n

\u5269\u4e0b\u7684\u767b\u5f55\u540e\u3010\u73a9\u3011\u5c31\u884c\u4e86~<\/p>\n\n\n\n

\u539f\u6587\u94fe\u63a5\uff1ahttps:\/\/blog.csdn.net\/tzhuwb\/article\/details\/112596128<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

KVM \u7684\u5168\u79f0 Kernel-based Virtual Machine\uff0c\u662f\u6307\u57fa\u4e8e\u5185\u6838\u7684\u865a\u62df\u673a\uff0c\u5b83\u662f\u4e00\u4e2a Li […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[849],"tags":[354,835,602,261,183,212],"class_list":["post-4825","post","type-post","status-publish","format-standard","hentry","category-kvm","tag-centos","tag-kvm","tag-linux","tag-261","tag-183","tag-212"],"_links":{"self":[{"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=\/wp\/v2\/posts\/4825","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4825"}],"version-history":[{"count":1,"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=\/wp\/v2\/posts\/4825\/revisions"}],"predecessor-version":[{"id":4826,"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=\/wp\/v2\/posts\/4825\/revisions\/4826"}],"wp:attachment":[{"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4825"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4825"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4825"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}