安装操作系统
UEFI 引导或者 Legacy BIOS 引导均可,冲就完事了
安装 KVM 及其依赖
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| yum install -y wget mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo yum makecache
yum install -y epel-release
yum install ntp kvm virt-manager virt-top qemu-kvm qemu-kvm-tools libvirt git vim htop systemctl start libvirtd systemctl enable libvirtd
vim /etc/ntp.conf -------- server ntp.aliyun.com iburst --------
systemctl start ntpd systemctl enable ntpd ntpq -p
systemctl stop firewalld systemctl disable firewalld setenforce 0 vim /etc/sysconfig/selinux ------- SELINUX=disabled -------
vim /etc/default/grub ------- GRUB_CMDLINE_LINUX="crashkernel=auto spectre_v2=retpoline rd.lvm.lv=centos/root rd.lvm.lv=centos/swap intel_iommu=on rhgb quiet" ------- grub2-mkconfig -o /boot/grub2/grub.cfg
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网络配置
因为环境需要将两个数据口创建 bond4 来使用,以下需要先创建 bond,再将 bond 加入网桥
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| yum install -y bridge-utils systemctl stop NetworkManager systemctl disable NetworkManager
vim /etc/sysconfig/network-scripts/ifcfg-eno1 ---------- DEVICE="eno1" TYPE=Ethernet PROXY_METHOD=none BROWSER_ONLY=no BOOTPROTO=none DEFROUTE=yes IPV4_FAILURE_FATAL=no IPV6INIT=yes IPV6_AUTOCONF=yes IPV6_DEFROUTE=yes IPV6_FAILURE_FATAL=no IPV6_ADDR_GEN_MODE=stable-privacy NAME=eno1 ONBOOT=yes MASTER=bond1 SLAVE=yes ----------
vim /etc/sysconfig/network-scripts/ifcfg-eno2 ---------- DEVICE="eno2" TYPE=Ethernet PROXY_METHOD=none BROWSER_ONLY=no BOOTPROTO=none DEFROUTE=yes IPV4_FAILURE_FATAL=no IPV6INIT=yes IPV6_AUTOCONF=yes IPV6_DEFROUTE=yes IPV6_FAILURE_FATAL=no IPV6_ADDR_GEN_MODE=stable-privacy NAME=eno2 ONBOOT=yes MASTER=bond1 SLAVE=yes ----------
vim /etc/sysconfig/network-scripts/ifcfg-bond1 ---------- TYPE=Bond BOOTPROTO=none ONBOOT=yes USERCTL=no DEVICE=bond1 NAME=bond1 BONDING_MASTER=yes BONDING_OPTS="miimon=100 xmit_hash_policy=layer3+4 mode=4 lacp_rate=1" BRIDGE=br1 ----------
vim /etc/sysconfig/network-scripts/ifcfg-br1 ---------- TYPE=Bridge BOOTPROTO=static IPADDR=$ip NETMASK=$netmask GATEWAY=$gateway PEEDNS=yes NAME=br1 DEVICE=br1 ONBOOT=yes DNS1=x.x.x.x DNS2=x.x.x.x ----------
modprobe bonding virsh net-destory default
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设置虚拟机支持从 UEFI 启动
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| wget http://www.kraxel.org/repos/firmware.repo -O /etc/yum.repos.d/firmware.repo yum makecache yum install -y edk2.git-ovmf-x64 OVMF
vim /etc/libvirt/qemu.conf -------- nvram = ["/usr/share/edk2.git/ovmf-x64/OVMF_CODE-pure-efi.fd:/usr/share/edk2.git/ovmf-x64/OVMF_VARS-pure-efi.fd"] -------- systemctl restart libvirtd
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