\u6458\u8981\uff1a \u672c\u6587\u8be6\u7ec6\u4ecb\u7ecd\u5728 Ubuntu \u7cfb\u7edf\u4e2d\u5982\u4f55\u5b89\u88c5\u548c\u4f7f\u7528 KVM\uff0c\u5e76\u501f\u52a9 Bridge \u7f51\u7edc\u6a21\u5f0f\u521b\u5efa\u865a\u62df\u673a\uff0c\u4f7f\u865a\u62df\u673a\u4e0e\u5bbf\u4e3b\u673a\u5904\u4e8e\u540c\u4e00\u7f51\u6bb5\u3002\u540c\u65f6\u63d0\u4f9b\u4e86\u4f7f\u7528 Cloud-init \u955c\u50cf\u5feb\u901f\u521b\u5efa\u865a\u62df\u673a\u4ee5\u53ca\u4f7f\u7528 ISO \u6587\u4ef6\u624b\u52a8\u521b\u5efa\u865a\u62df\u673a\u7684\u5177\u4f53\u64cd\u4f5c\u5b9e\u4f8b\uff0c\u5e2e\u52a9\u8bfb\u8005\u5feb\u901f\u4e0a\u624b KVM \u865a\u62df\u5316\u6280\u672f\u3002<\/p>\n
\u968f\u7740\u4e91\u8ba1\u7b97\u548c\u865a\u62df\u5316\u6280\u672f\u7684\u4e0d\u65ad\u53d1\u5c55\uff0cKVM\uff08Kernel-based Virtual Machine\uff09\u4f5c\u4e3a\u4e00\u79cd\u57fa\u4e8e Linux \u5185\u6838\u7684\u865a\u62df\u5316\u89e3\u51b3\u65b9\u6848\uff0c\u56e0\u5176\u9ad8\u6027\u80fd\u548c\u4f4e\u5f00\u9500\u800c\u5907\u53d7\u9752\u7750\u3002\u5728 Ubuntu \u7cfb\u7edf\u4e0a\u5b89\u88c5\u548c\u4f7f\u7528 KVM \u53ef\u4ee5\u65b9\u4fbf\u5730\u521b\u5efa\u548c\u7ba1\u7406\u865a\u62df\u673a\uff0c\u6ee1\u8db3\u5404\u79cd\u5f00\u53d1\u3001\u6d4b\u8bd5\u548c\u90e8\u7f72\u9700\u6c42\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u8bb2\u89e3\u5728 Ubuntu \u4e0a\u5b89\u88c5 KVM\uff0c\u5e76\u901a\u8fc7 Bridge \u7f51\u7edc\u6a21\u5f0f\u521b\u5efa\u865a\u62df\u673a\u7684\u5b8c\u6574\u8fc7\u7a0b\u3002<\/p>\n
\uff08\u4e00\uff09\u68c0\u67e5\u786c\u4ef6\u652f\u6301 \uff08\u4e00\uff09\u7f16\u8f91\u7f51\u7edc\u914d\u7f6e\u6587\u4ef6 \uff08\u4e00\uff09\u83b7\u53d6 Cloud-init \u955c\u50cf Ubuntu \u4e0a\u4f7f\u7528 KVM …<\/p>\n","protected":false},"author":1,"featured_media":241,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[],"class_list":["post-219","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-kvm"],"_links":{"self":[{"href":"https:\/\/www.weibone.ltd\/index.php?rest_route=\/wp\/v2\/posts\/219","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.weibone.ltd\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.weibone.ltd\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.weibone.ltd\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.weibone.ltd\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=219"}],"version-history":[{"count":4,"href":"https:\/\/www.weibone.ltd\/index.php?rest_route=\/wp\/v2\/posts\/219\/revisions"}],"predecessor-version":[{"id":224,"href":"https:\/\/www.weibone.ltd\/index.php?rest_route=\/wp\/v2\/posts\/219\/revisions\/224"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.weibone.ltd\/index.php?rest_route=\/wp\/v2\/media\/241"}],"wp:attachment":[{"href":"https:\/\/www.weibone.ltd\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=219"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.weibone.ltd\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=219"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.weibone.ltd\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=219"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\n\u5728\u5b89\u88c5 KVM \u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u786e\u4fdd\u4f60\u7684\u7cfb\u7edf\u786c\u4ef6\u652f\u6301\u865a\u62df\u5316\u6280\u672f\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u68c0\u67e5\uff1a
\nbash
\n\u590d\u5236
\negrep -c '(vmx|svm)' \/proc\/cpuinfo<\/code>
\n\u5982\u679c\u8f93\u51fa\u7ed3\u679c\u5927\u4e8e 0\uff0c\u5219\u8868\u793a\u4f60\u7684 CPU \u652f\u6301\u865a\u62df\u5316\u6280\u672f\u3002
\n\uff08\u4e8c\uff09\u5b89\u88c5 KVM \u76f8\u5173\u8f6f\u4ef6\u5305
\n\u5728 Ubuntu \u7cfb\u7edf\u4e2d\uff0c\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88c5 KVM \u53ca\u5176\u76f8\u5173\u5de5\u5177\uff1a<\/p>\nsudo apt-get update sudo apt-get install qemu-kvm libvirt-daemon-system libvirt-clients bridge-utils virt-manager<\/code>
\n\u6211\u8fd9\u91cc\u662f\u76f4\u63a5\u4f7f\u7528root\u7528\u6237\u6765\u7ba1\u7406vkm\uff0c\u521b\u5efaseed\u548cvms\u6587\u4ef6\u5939\u5e76\u8bbe\u7f6e\u6743\u9650\uff1a
\nmkdir -p \/kvm\/{seed,vms} chown -R :kvm \/kvm<\/code><\/p>\n\u4e09\u3001\u914d\u7f6e Bridge \u7f51\u7edc<\/h3>\n
\n\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a br0 \u7684 Bridge \u7f51\u7edc\u63a5\u53e3\uff0c\u53ef\u5b9e\u73b0\u4e0e\u5f53\u524d\u670d\u52a1\u5668(\u5373vmhost)\u5728\u76f8\u540c\u7f51\u6bb5\uff0c\u7f16\u8f91 \/etc\/netplan\/50-cloud-init.yaml \u6587\u4ef6\uff08\u5982\u679c\u8be5\u6587\u4ef6\u4e0d\u5b58\u5728\u5219\u521b\u5efa\uff09\uff0c\u6dfb\u52a0\u4ee5\u4e0b\u5185\u5bb9\uff1a
\nnetwork: version: 2 renderer: networkd ethernets: enp0s3: # \u66ff\u6362\u4e3a\u4f60\u7684\u5b9e\u9645\u7269\u7406\u7f51\u5361\u540d\u79f0 dhcp4: false bridges: br0: dhcp4: true interfaces: [enp0s3] # \u66ff\u6362\u4e3a\u4f60\u7684\u5b9e\u9645\u7269\u7406\u7f51\u5361\u540d\u79f0<\/code>
\n\uff08\u4e8c\uff09\u5e94\u7528\u7f51\u7edc\u914d\u7f6e
\n\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\u4f7f\u7f51\u7edc\u914d\u7f6e\u751f\u6548\uff1a
\nsudo netplan apply<\/code>
\n\uff08\u4e09\uff09\u914d\u7f6e\u7f51\u7edc\u8f6c\u53d1
\n\u7f16\u8f91\/etc\/sysctl.conf\u6587\u4ef6\uff0c\u6dfb\u52a0\u6216\u4fee\u6539\u4ee5\u4e0b\u884c\uff1a
\nnet.ipv4.ip_forward = 1<\/code>
\n\u7136\u540e\u6267\u884csysctl -p\u4f7f\u66f4\u6539\u751f\u6548\u3002<\/p>\n\u56db\u3001\u4f7f\u7528 Cloud-init \u955c\u50cf\u5feb\u901f\u521b\u5efa\u865a\u62df\u673a<\/h3>\n
\n\u4ece\u5b98\u65b9\u955c\u50cf\u6e90\u6216\u5176\u4ed6\u53ef\u9760\u6e20\u9053\u4e0b\u8f7d\u9002\u5408\u7684 Cloud-init \u955c\u50cf\uff0c\u4f8b\u5982 Ubuntu \u7684 Cloud-init \u955c\u50cf\u3002\u5c06\u4e0b\u8f7d\u7684\u955c\u50cf\u6587\u4ef6\u653e\u7f6e\u5728\u5408\u9002\u7684\u76ee\u5f55\uff0c\u5982\uff1a
\ncd \/kvm\/seed wget https:\/\/mirrors.huaweicloud.com\/ubuntu-cloud-images\/noble\/current\/noble-server-cloudimg-amd64.img<\/code>
\n\uff08\u4e8c\uff09\u751f\u6210seed.iso
\n\u7f16\u5199meta – data\u6587\u4ef6
\nmeta – data\u6587\u4ef6\u5305\u542b\u865a\u62df\u673a\u7684\u57fa\u672c\u5143\u6570\u636e\u4fe1\u606f\uff0c\u4f8b\u5982\u5b9e\u4f8b ID\u3001\u4e3b\u673a\u540d\u7b49\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff1a
\ninstance-id: my-vm-1 local-hostname: my-vm-1<\/code>
\n\u4f60\u53ef\u4ee5\u6839\u636e\u9700\u8981\u4fee\u6539instance – id\u548clocal – hostname\u7684\u503c\u3002
\n\u7f16\u5199user – data\u6587\u4ef6
\nuser – data\u6587\u4ef6\u5305\u542b\u7528\u4e8e\u914d\u7f6e\u865a\u62df\u673a\u7684\u5404\u79cd\u8bbe\u7f6e\uff0c\u4f8b\u5982\u7528\u6237\u8d26\u6237\u3001\u7f51\u7edc\u914d\u7f6e\u3001\u8f6f\u4ef6\u5b89\u88c5\u7b49\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff0c\u7528\u4e8e\u521b\u5efa\u4e00\u4e2a\u7528\u6237\u8d26\u6237\u5e76\u8bbe\u7f6e\u5bc6\u7801\uff1a
\n#cloud - config user: ubuntu password: pa123 chpasswd: { expire: False } ssh_pwauth: True<\/code>
\n\u5b89\u88c5genisoimage\u5de5\u5177
\n\u5728 Ubuntu \u7cfb\u7edf\u4e2d\uff0c\u4f60\u9700\u8981\u5b89\u88c5genisoimage\u5de5\u5177\u6765\u751f\u6210 ISO \u6587\u4ef6\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u8fdb\u884c\u5b89\u88c5\uff1a
\nsudo apt - get update sudo apt - get install genisoimage<\/code>
\n\u5728\u5305\u542bmeta – data\u548cuser – data\u6587\u4ef6\u7684seed\u76ee\u5f55\u4e0b\uff0c\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u751f\u6210seed.iso\u6587\u4ef6\uff1a
\ngenisoimage - output seed.iso - volid cidata -joliet -rock user - data meta - data<\/code>
\n\u8fd9\u4e2a\u547d\u4ee4\u5c06user – data\u548cmeta – data\u6587\u4ef6\u6253\u5305\u6210\u4e00\u4e2a\u540d\u4e3aseed.iso\u7684 ISO \u6587\u4ef6\uff0c-volid cidata\u9009\u9879\u8bbe\u7f6e\u4e86 ISO \u6587\u4ef6\u7684\u5377\u6807\u4e3acidata\uff0c\u8fd9\u662fcloud – init\u6240\u671f\u671b\u7684\u5377\u6807\u3002
\n\u751f\u6210seed.iso\u6587\u4ef6\u540e\uff0c\u4f60\u53ef\u4ee5\u5728\u4f7f\u7528cloud – init\u955c\u50cf\u521b\u5efa\u865a\u62df\u673a\u65f6\uff0c\u5c06\u8fd9\u4e2aseed.iso\u6587\u4ef6\u6302\u8f7d\u5230\u865a\u62df\u673a\u4e2d\uff0c\u865a\u62df\u673a\u542f\u52a8\u65f6cloud – init\u4f1a\u8bfb\u53d6\u5176\u4e2d\u7684\u914d\u7f6e\u4fe1\u606f\u5e76\u6839\u636e\u914d\u7f6e\u6765\u521d\u59cb\u5316\u7cfb\u7edf\u3002
\n\uff08\u4e09\uff09\u751f\u6210\u7cfb\u7edf\u76d8
\n\u4f7f\u7528cp\u547d\u4ee4\u628aseed\u4e2d\u7684img\u6587\u4ef6\u590d\u5236\u5230vms\u76ee\u5f55\u4e0b\uff0c\u518d\u4f7f\u7528qemu-img\u628a\u7cfb\u7edf\u76d8\u8bbe\u7f6e\u4e3a\u9700\u8981\u7684\u5927\u5c0f\uff0c\u7cfb\u7edf\u751f\u6210\u540e\u4f1a\u81ea\u5df1\u8bbe\u7f6e\/\u5206\u533a\u5927\u5c0f\u3002
\ncp \/kvm\/seed\/noble-server-cloudimg-amd64.img \/kvm\/vms\/ubuntu.img qemu-img resize \/kvm\/vms\/ubuntu.img 50G<\/code>
\n\uff08\u56db\uff09\u521b\u5efa\u865a\u62df\u673a
\n\u4f7f\u7528 virt-install \u547d\u4ee4\u521b\u5efa\u865a\u62df\u673a\uff0c\u793a\u4f8b\u5982\u4e0b\uff1a
\nvirt-install --name=ubuntu \\ --vcpus=16 \\ --memory=16384 \\ --disk path=\/kvm\/vms\/ubuntu.img \\ --cdrom \/kvm\/seed\/seed.img \\ --network bridge=br0,model=virtio \\ --graphics none \\ --console pty,target_type=serial \\ --osinfo detect=on<\/code>
\n\u5728\u4e0a\u8ff0\u547d\u4ee4\u4e2d\uff1a
\n–name \u6307\u5b9a\u865a\u62df\u673a\u540d\u79f0\u3002
\n–ram \u8bbe\u7f6e\u865a\u62df\u673a\u5185\u5b58\u5927\u5c0f\u3002
\n–vcpus \u8bbe\u5b9a\u865a\u62df\u673a\u7684\u865a\u62df CPU \u6570\u91cf\u3002
\n–disk \u5b9a\u4e49\u865a\u62df\u673a\u78c1\u76d8\u8def\u5f84\u548c\u5927\u5c0f\u3002
\n–os-type \u548c –os-variant \u5206\u522b\u6307\u5b9a\u64cd\u4f5c\u7cfb\u7edf\u7c7b\u578b\u548c\u7248\u672c\u53d8\u4f53\u3002
\n–network \u6307\u5b9a\u7f51\u7edc\u8fde\u63a5\u65b9\u5f0f\u4e3a Bridge \u6a21\u5f0f\u5e76\u8fde\u63a5\u5230 br0 \u6865\u63a5\u7f51\u7edc\u3002
\n–graphics none \u8868\u793a\u4e0d\u4f7f\u7528\u56fe\u5f62\u754c\u9762\uff0c–console pty,target_type=serial \u7528\u4e8e\u8bbe\u7f6e\u4e32\u53e3\u63a7\u5236\u53f0\u4ee5\u4fbf\u540e\u7eed\u767b\u5f55\u7ba1\u7406\u3002
\n\u521b\u5efa\u5b8c\u6210\u540e\uff0c\u865a\u62df\u673a\u5c06\u81ea\u52a8\u542f\u52a8\uff0c\u5e76\u81ea\u52a8\u901a\u8fc7pty\u8fdb\u5165\u5230\u865a\u62df\u673a\u7684\u540e\u53f0\uff0c\u5f53\u865a\u62df\u673a\u542f\u52a8\u5b8c\u6210\uff0c\u53ef\u4ee5\u901a\u8fc7user:ubuntu, password:pa123 \u767b\u5f55\u3002\u5982\u679c\u6709dhcp\uff0c\u53ef\u901a\u8fc7\u4e0a\u7ffb\u6765\u627e\u5230ip\u4fe1\u606f\uff0c\u6216\u767b\u5f55\u540e\u901a\u8fc7ip -a \u6765\u67e5\u770b\u3002
\n\u7136\u540e\u901a\u8fc7 SSH \u8fde\u63a5\u5230\u865a\u62df\u673a\u8fdb\u884c\u540e\u7eed\u914d\u7f6e\u548c\u4f7f\u7528\u3002
\n\u4e94\u3001\u4f7f\u7528 ISO \u6587\u4ef6\u624b\u52a8\u521b\u5efa\u865a\u62df\u673a
\n\uff08\u4e00\uff09\u51c6\u5907 ISO \u6587\u4ef6
\n\u5c06\u9700\u8981\u5b89\u88c5\u7684\u64cd\u4f5c\u7cfb\u7edf ISO \u6587\u4ef6\u653e\u7f6e\u5728\u5408\u9002\u7684\u76ee\u5f55\uff0c\u5982 \/kvm\/seed\/\u3002
\n\uff08\u4e8c\uff09\u521b\u5efa\u865a\u62df\u673a
\n\u540c\u6837\u4f7f\u7528 virt-install \u547d\u4ee4\u521b\u5efa\u865a\u62df\u673a\uff0c\u793a\u4f8b\u5982\u4e0b\uff1a
\nvirt-install --name=ubuntu2004 \\ --vcpus=2 \\ --memory=4096 \\ --disk \/kvm\/vms\/ubuntu20.04.qcow2 \\ --cdrom \/kvm\/seed\/ubuntu-20.04.6-live-server-amd64.iso \\ --network bridge=br0,model=virtio \\ --graphics vnc,listen=0.0.0.0 \\ --noautoconsole --os-type=linux \\ --os-variant=auto<\/code>
\n\u5728\u8fd9\u4e2a\u547d\u4ee4\u4e2d\uff0c–graphics vnc,listen=0.0.0.0 \u8868\u793a\u542f\u7528 VNC \u56fe\u5f62\u754c\u9762\uff0c\u76d1\u542c\u6240\u6709 IP \u5730\u5740\uff0c\u4ee5\u4fbf\u901a\u8fc7 VNC \u5ba2\u6237\u7aef\u8fde\u63a5\u5230\u865a\u62df\u673a\u8fdb\u884c\u64cd\u4f5c\u7cfb\u7edf\u5b89\u88c5\u3002
\n\u542f\u52a8\u865a\u62df\u673a\u540e\uff0c\u4f7f\u7528 VNC \u5ba2\u6237\u7aef\u8fde\u63a5\u5230\u5bbf\u4e3b\u673a\u7684 IP \u5730\u5740\u548c\u76f8\u5e94\u7aef\u53e3\uff08\u9ed8\u8ba4\u7aef\u53e3\u4e3a 5900\uff09\uff0c\u6309\u7167\u5e38\u89c4\u64cd\u4f5c\u7cfb\u7edf\u5b89\u88c5\u6b65\u9aa4\u8fdb\u884c\u5b89\u88c5\u3002\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u5373\u53ef\u50cf\u666e\u901a\u865a\u62df\u673a\u4e00\u6837\u4f7f\u7528\u3002
\n\u516d\u3001\u603b\u7ed3
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