一、说明
1、硬件：需要在BIOS内开启CPU虚拟化支持；各硬件开启方式不同，这块大家自行百度。
2、系统：最小化安装，Update系统，关闭SELinux和防火墙。
二、安装部署
1、执行命令（egrep ‘(vmx|svm)’ /proc/cpuinfo）查看系统CPU是否支持VT功能，结果中有vmx（Intel）或svm（AMD）字样就说明CPU支持。
2、安装虚拟化包组：dnf group install -y “Virtualization Host”
# dnf group install -y "Virtualization Host" Last metadata expiration check: 0:00:06 ago on Sun 20 Jul 2025 09:24:40 PM CST. Dependencies resolved. ================================================================================================================== Package Arch Version Repository Size ================================================================================================================== Upgrading: NetworkManager x86_64 1:1.52.0-4.el9_6 baseos 2.3 M NetworkManager-libnm x86_64 1:1.52.0-4.el9_6 baseos 1.9 M ......此处省略...... sscg x86_64 3.0.0-7.el9 appstream 45 k Installing Environment Groups: Virtualization Host Installing Groups: Base Core Standard Virtualization Hypervisor Virtualization Tools Transaction Summary ================================================================================================================== Install 227 Packages Upgrade 40 Packages Total download size: 1.0 G Downloading Packages: (1/267): device-mapper-event-libs-1.02.202-6.el9.x86_64.rpm 198 kB/s | 31 kB 00:00 ......此处省略...... (267/267): iwl7260-firmware-25.30.13.0-151.2.el9_6.noarch.rpm 2.3 MB/s | 66 MB 00:27 ------------------------------------------------------------------------------------------------------------------ Total 17 MB/s | 1.0 GB 00:59 Running transaction check Transaction check succeeded. Running transaction test Transaction test succeeded. Running transaction Running scriptlet: kmod-kvdo-8.2.5.10-161.el9.x86_64 1/1 Running scriptlet: linux-firmware-20250604-151.2.el9_6.noarch 1/1 Preparing : 1/1 Upgrading : glibc-common-2.34-168.el9_6.20.x86_64 1/307 ......此处省略...... Running scriptlet: glibc-2.34-168.el9_6.19.x86_64 307/307 /usr/lib/sysusers.d/libvirt-qemu.conf:1: Conflict with earlier configuration for group 'kvm', ignoring line. Verifying : device-mapper-event-libs-9:1.02.202-6.el9.x86_64 1/307 ......此处省略...... Verifying : glibc-headers-2.34-168.el9_6.19.x86_64 307/307 Upgraded: NetworkManager-1:1.52.0-4.el9_6.x86_64 NetworkManager-libnm-1:1.52.0-4.el9_6.x86_64 ......此处省略...... systemd-rpm-macros-252-51.el9_6.1.noarch systemd-udev-252-51.el9_6.1.x86_64 Installed: PackageKit-1.2.6-1.el9.x86_64 ......此处省略...... xfsdump-3.1.12-4.el9_3.x86_64 Complete!
3、安装相关管理软件包：dnf install -y virt-install virt-manager virt-viewer openssh-askpass xorg-x11-server-utils xorg-x11-utils xorg-x11-xauth xorg-x11-xinit
# dnf install -y virt-install virt-manager virt-viewer openssh-askpass xorg-x11-server-utils xorg-x11-utils xorg-x11-xauth xorg-x11-xinit Last metadata expiration check: 0:17:05 ago on Sun 20 Jul 2025 09:24:40 PM CST. Dependencies resolved. ================================================================================================================== Package Architecture Version Repository Size ================================================================================================================== Installing: openssh-askpass x86_64 8.7p1-45.el9.rocky.0.1 appstream 17 k ......此处省略...... libvirt-daemon-kvm x86_64 10.10.0-7.3.el9_6 appstream 29 k Transaction Summary ================================================================================================================== Install 27 Packages Upgrade 1 Package Total download size: 5.9 M Downloading Packages: (1/28): python3-argcomplete-1.12.0-5.el9.noarch.rpm 197 kB/s | 61 kB 00:00 ......此处省略...... (28/28): libxml2-2.9.13-10.el9_6.x86_64.rpm 3.6 MB/s | 746 kB 00:00 ------------------------------------------------------------------------------------------------------------------ Total 4.0 MB/s | 5.9 MB 00:01 Running transaction check Transaction check succeeded. Running transaction test Transaction test succeeded. Running transaction Preparing : 1/1 Upgrading : libxml2-2.9.13-10.el9_6.x86_64 1/29 ......此处省略...... Verifying : libxml2-2.9.13-9.el9_6.x86_64 29/29 Upgraded: libxml2-2.9.13-10.el9_6.x86_64 Installed: gtk-vnc2-1.3.0-2.el9.x86_64 gtksourceview4-4.8.1-5.el9.x86_64 ......此处省略...... xorriso-1.5.4-5.el9_5.x86_64 Complete!
4、启动libvirtd服务并设置服务自启动：systemctl enable –now libvirtd.service
# systemctl enable --now libvirtd.service
Created symlink /etc/systemd/system/multi-user.target.wants/libvirtd.service → /usr/lib/systemd/system/libvirtd.service.
Created symlink /etc/systemd/system/sockets.target.wants/libvirtd.socket → /usr/lib/systemd/system/libvirtd.socket.
Created symlink /etc/systemd/system/sockets.target.wants/libvirtd-ro.socket → /usr/lib/systemd/system/libvirtd-ro.socket.
Created symlink /etc/systemd/system/sockets.target.wants/libvirtd-admin.socket → /usr/lib/systemd/system/libvirtd-admin.socket.
# systemctl status libvirtd.service
● libvirtd.service - libvirt legacy monolithic daemon
Loaded: loaded (/usr/lib/systemd/system/libvirtd.service; enabled; preset: disabled)
Active: active (running) since Sun 2025-07-20 21:44:41 CST; 9s ago
TriggeredBy: ● libvirtd-admin.socket
● libvirtd.socket
● libvirtd-ro.socket
Docs: man:libvirtd(8)
https://libvirt.org/
Main PID: 5808 (libvirtd)
Tasks: 22 (limit: 32768)
Memory: 50.4M
CPU: 472ms
CGroup: /system.slice/libvirtd.service
├─5808 /usr/sbin/libvirtd --timeout 120
├─5911 /usr/sbin/dnsmasq --conf-file=/var/lib/libvirt/dnsmasq/default.conf --leasefile-ro --dhcp-scr>
└─5912 /usr/sbin/dnsmasq --conf-file=/var/lib/libvirt/dnsmasq/default.conf --leasefile-ro --dhcp-scr>
Jul 20 21:44:41 kvm-server01 systemd[1]: Started libvirt legacy monolithic daemon.
Jul 20 21:44:41 kvm-server01 dnsmasq[5911]: started, version 2.85 cachesize 150
Jul 20 21:44:41 kvm-server01 dnsmasq[5911]: compile time options: IPv6 GNU-getopt DBus no-UBus no-i18n IDN2 DHCP >
Jul 20 21:44:41 kvm-server01 dnsmasq-dhcp[5911]: DHCP, IP range 192.168.122.2 -- 192.168.122.254, lease time 1h
Jul 20 21:44:41 kvm-server01 dnsmasq-dhcp[5911]: DHCP, sockets bound exclusively to interface virbr0
Jul 20 21:44:41 kvm-server01 dnsmasq[5911]: reading /etc/resolv.conf
Jul 20 21:44:41 kvm-server01 dnsmasq[5911]: using nameserver 192.168.80.254#53
Jul 20 21:44:41 kvm-server01 dnsmasq[5911]: read /etc/hosts - 2 addresses
Jul 20 21:44:41 kvm-server01 dnsmasq[5911]: read /var/lib/libvirt/dnsmasq/default.addnhosts - 0 addresses
Jul 20 21:44:41 kvm-server01 dnsmasq-dhcp[5911]: read /var/lib/libvirt/dnsmasq/default.hostsfile
5、重启系统：reboot
6、使用支持 X11 转发的终端（如 MobaXterm）通过 SSH 连接至服务器，执行 virt-manager 命令，即可调用图形化界面管理 KVM。
# virt-manager
自此KVM虚拟化环境搭建完毕~！！~
IT运维网 版权所有丨如未注明 , 均为原创丨本网站采用BY-NC-SA协议进行授权 , 转载请注明Rockylinux 9.x 部署KVM环境！
