{"id":27542,"date":"2023-02-13T00:26:31","date_gmt":"2022-08-19T21:54:45","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8centos%e4%b8%ad%e5%ae%89%e8%a3%85kvm-2\/"},"modified":"2025-08-12T03:17:32","modified_gmt":"2025-08-11T19:17:32","slug":"%e5%9c%a8centos%e4%b8%ad%e5%ae%89%e8%a3%85kvm-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8centos%e4%b8%ad%e5%ae%89%e8%a3%85kvm-2\/","title":{"rendered":"\u5728CentOS\u4e2d\u5b89\u88c5KVM"},"content":{"rendered":"

\u7559\u4e0b\u81ea\u5df1\u7684\u5907\u5fd8\u5f55\u3002<\/p>\n

\u73af\u5883<\/h1>\n
$ cat \/etc\/redhat-release\r\nCentOS Linux release 7.3.1611 (Core)\r\n<\/code><\/pre>\n
CentOS\u5b89\u88c5\u540e\u9700\u8981\u505a\u7684\u4e8b\u60c5<\/h1>\n
\u666e\u901a\u7528\u6237\u521b\u5efa<\/h2>\n
# useradd udon -s \/bin\/bash -d \/home\/udon<\/span>\r\n# passwd udon<\/span>\r\n# vi \/etc\/sudoers<\/span>\r\n----<\/span>\r\n  ## Allows people in group wheel to run all commands<\/span>\r\n- %wheel ALL<\/span>=(<\/span>ALL)<\/span>       ALL\r\n+ #%wheel ALL=(ALL)       ALL<\/span>\r\n\r\n  ## Same thing without a password<\/span>\r\n- # %wheel  ALL=(ALL)       NOPASSWD: ALL<\/span>\r\n+ %wheel  ALL<\/span>=(<\/span>ALL)<\/span>       NOPASSWD: ALL\r\n----<\/span>\r\n# usermod -aG wheel udon<\/span>\r\n<\/code><\/pre>\n
\u8bf7\u4e0d\u8981\u505c\u6b62\u670d\u52a1\u3002<\/h2>\n
\u4e0d, \u4e0d\u662f\u8bf4\u6211\u4e0d\u8981\u5566, \u53ea\u662f\u561b<\/p>\n
$ <\/span>sudo <\/span>systemctl stop NetworkManager\r\n$ <\/span>sudo <\/span>systemctl disable NetworkManager\r\n$ <\/span>sudo <\/span>systemctl stop firewalld\r\n$ <\/span>sudo <\/span>systemctl disable firewalld\r\n<\/code><\/pre>\n
\u5982\u679c\u8bbe\u5b9a<\/h2>\n
\u7531\u4e8e\u6211\u4eec\u901a\u8fc7 VLAN \u8fde\u63a5\u5230 L2SW\u3002<\/p>\n
$ <\/span>sudo cp<\/span> -p<\/span> \/etc\/sysconfig\/network-scripts\/ifcfg-eno1 \/etc\/sysconfig\/network-scripts\/ifcfg-eno1.10\r\n$ <\/span>sudo <\/span>vi \/etc\/sysconfig\/network-scripts\/ifcfg-eno1.10\r\n----<\/span>\r\n- BOOTPROTO<\/span>=<\/span>dhcp\r\n+ BOOTPROTO<\/span>=<\/span>static\r\n- NAME<\/span>=<\/span>eno1\r\n+ NAME<\/span>=<\/span>eno1.10\r\n- ONBOOT<\/span>=<\/span>no\r\n+ ONBOOT<\/span>=<\/span>yes<\/span>\r\n- UUID<\/span>=<\/span>.....\r\n+ IPADDR<\/span>=<\/span>192.168.10.120\r\n+ NETMASK<\/span>=<\/span>255.255.0.0\r\n----<\/span>\r\n$ <\/span>sudo <\/span>service network restart\r\n<\/code><\/pre>\n
\u5916\u90e8\u8fde\u63a5<\/h2>\n
$ <\/span>sudo <\/span>vi \/etc\/sysconfig\/network\r\n----<\/span>\r\n+ GATEWAY<\/span>=<\/span>192.168.200.98\r\n----<\/span>\r\n$ <\/span>sudo <\/span>vi \/etc\/resolv.conf\r\n----<\/span>\r\n+ nameserver 8.8.8.8\r\n----<\/span>\r\n$ <\/span>sudo <\/span>service network restart\r\n<\/code><\/pre>\n
\u6211\u8ba8\u538cSSH\u767b\u5f55\u6162\u3002<\/h2>\n
$ <\/span>sudo <\/span>vi \/etc\/ssh\/sshd_config\r\n----<\/span>\r\n- #UserDNS yes<\/span>\r\n+ UserDNS no\r\n----<\/span>\r\n$ <\/span>sudo <\/span>service sshd restart\r\n<\/code><\/pre>\n
\u6ca1\u6709vim\u5f88\u4e0d\u559c\u6b22\u3002<\/h2>\n
$ <\/span>sudo <\/span>yum -y<\/span> install <\/span>vim\r\n<\/code><\/pre>\n
\u6211\u4e0d\u559c\u6b22SELinux\u3002<\/h2>\n
$ <\/span>sudo <\/span>setenforace 0\r\n$ <\/span>sudo <\/span>vim \/etc\/selinux\/config\r\n----<\/span>\r\n- SELINUX<\/span>=<\/span>enforcing\r\n+ SELINUX<\/span>=<\/span>disable\r\n----<\/span>\r\n<\/code><\/pre>\n
KVM \u5b89\u88c5<\/h1>\n
\u53c2\u8003\u8d44\u6599\uff1a\u5728CentOS 7\u4e0a\u6784\u5efaKVM\u73af\u5883\uff08CUI\u73af\u5883\uff09
\n\u53c2\u8003\u8d44\u6599\uff1a\u5728\u6587\u5177\u5802\u6784\u5efaCentOS\u670d\u52a1\u5668-KVM\uff08\u865a\u62df\u5316\u73af\u5883\uff09\u7684\u5b89\u88c5\u65b9\u6cd5<\/p>\n
$ <\/span>sudo <\/span>yum -y<\/span> install <\/span>libguestfs libvirt libvirt-client python-virtinst qemu-kvm virt-manager virt-top virt-viewer virt-who virt-install bridge-utils\r\n<\/code><\/pre>\n
\u5b8c\u6210<\/h1>\n
$ <\/span>sudo <\/span>vi \/etc\/yum.conf\r\n----<\/span>\r\n+ exclude<\/span>=<\/span>kernel*<\/span>\r\n----<\/span>\r\n$ <\/span>sudo <\/span>vi \/etc\/sysconfig\/kernel\r\n----<\/span>\r\n- UPDATEDEFAULT<\/span>=<\/span>yes<\/span>\r\n+ UPDATEDEFAULT<\/span>=<\/span>no\r\n----<\/span>\r\n$ <\/span>sudo <\/span>yum -y<\/span> update\r\n\r\n$ <\/span>sudo cat<\/span> \/etc\/redhat-release\r\nCentOS Linux release 7.7.1908 (<\/span>Core)<\/span>\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
\u7559\u4e0b\u81ea\u5df1\u7684\u5907\u5fd8\u5f55\u3002 \u73af\u5883 $ cat \/etc\/redhat-release CentOS Linux rel […]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-27542","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"\n\u5728CentOS\u4e2d\u5b89\u88c5KVM - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8e\u5728CentOS\u4e2d\u5b89\u88c5KVM\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u5728centos\u4e2d\u5b89\u88c5kvm-2\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u5728CentOS\u4e2d\u5b89\u88c5KVM\" \/>\n<meta property=\"og:description\" content=\"\u5173\u4e8e\u5728CentOS\u4e2d\u5b89\u88c5KVM\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u5728centos\u4e2d\u5b89\u88c5kvm-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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