Deploy KVM on Oracle Linux 8

grep --color --perl-regexp 'vmx|svm' /proc/cpuinfo

flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm constant_tsc rep_good nopl nonstop_tsc cpuid extd_apicid aperfmperf rapl pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_llc mwaitx cpb cat_l3 cdp_l3 hw_pstate ssbd mba ibpb stibp vmmcall fsgsbase bmi1 avx2 smep bmi2 cqm rdt_a rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local nt_good clzero irperf xsaveerptr rdpru wbnoinvd arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic v_vmsave_vmload vgif v_spec_ctrl umip rdpid overflow_recov succor smca sme sev sev_es ibpb_exit_to_user

flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc art arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch cpuid_fault epb invpcid_single pti ssbd ibrs ibpb stibp tpr_shadow flexpriority ept vpid ept_ad fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm mpx rdseed adx smap clflushopt intel_pt xsaveopt xsavec xgetbv1 xsaves dtherm arat pln pts hwp hwp_notify hwp_act_window hwp_epp vnmi md_clear flush_l1d
vmx flags	: vnmi preemption_timer invvpid ept_x_only ept_ad ept_1gb flexpriority tsc_offset vtpr mtf vapic ept vpid unrestricted_guest ple shadow_vmcs pml ept_mode_based_exec

lsmod |grep kvm

$ lsmod |grep kvm
kvm_amd               180224  0
kvm                  1142784  1 kvm_amd
irqbypass              16384  1 kvm
ccp                   131072  1 kvm_amd

$ lsmod |grep kvm
kvm_intel             393216  0
kvm                  1142784  1 kvm_intel
irqbypass              16384  1 kvm

sudo dnf install epel-release
sudo dnf install bind-utils nc tmux tree nmon

sudo dnf install oraclelinux-release-el8
# sudo dnf config-manager --enable ol8_kvm_appstream
sudo dnf update
# 安裝與 Oracle Linux 虛擬化模組相關的軟體套裝程式。
sudo dnf group install "Virtualization Host"
# 安裝 virt-install 和 virt-viewer，如果規劃使用最小安裝，則可以不用安裝 GUI 介面，
sudo dnf install qemu-kvm virt-install -y
# 驗證主機機器已就緒，並設定為執行 libvirt VM
virt-host-validate

[oracle@ol-node01 ~]$ virt-host-validate
QEMU: Checking for hardware virtualization                                 : PASS
QEMU: Checking if device /dev/kvm exists                                   : PASS
QEMU: Checking if device /dev/kvm is accessible                            : PASS
QEMU: Checking if device /dev/vhost-net exists                             : PASS
QEMU: Checking if device /dev/net/tun exists                               : PASS
QEMU: Checking for cgroup 'cpu' controller support                         : PASS
QEMU: Checking for cgroup 'cpuacct' controller support                     : PASS
QEMU: Checking for cgroup 'cpuset' controller support                      : PASS
QEMU: Checking for cgroup 'memory' controller support                      : PASS
QEMU: Checking for cgroup 'devices' controller support                     : PASS
QEMU: Checking for cgroup 'blkio' controller support                       : PASS
QEMU: Checking for device assignment IOMMU support                         : WARN (No ACPI DMAR table found, IOMMU either disabled in BIOS or not supported by this hardware platform)
QEMU: Checking for secure guest support                                    : WARN (Unknown if this platform has Secure Guest support)

sudo systemctl enable --now libvirtd.service
sudo systemctl status libvirtd.service


for drv in qemu network nodedev nwfilter secret storage interface; 
do
  sudo systemctl enable virt${drv}d.service
  sudo systemctl enable virt${drv}d{,-ro,-admin}.socket;
  sudo systemctl start virt${drv}d{,-ro,-admin}.socket; 
done

sudo systemctl enable --now virtproxyd.service virtproxyd-tls.socket
sudo systemctl stop virtproxyd-tls.socket
sudo systemctl restart virtproxyd-tls.socket
sudo systemctl list-units --type=socket virt*

sudo dnf install cockpit cockpit-machines -y
sudo systemctl enable --now cockpit.socket
sudo systemctl status cockpit.socket

sudo firewall-cmd --add-service=cockpit --permanent
sudo firewall-cmd --reload

sudo yum update -y
dnf config-manager --enable ol8_baseos_latest
dnf install oracle-ovirt-release-45-el8
dnf install kernel-uek-modules-extra # running UEK R7 需要
dnf install ovirt-engine

engine-setup

SSO_ALTERNATE_ENGINE_FQDNS="pollochang-ovirt-00.kvm-host.home-lab.pollo.local pollochang-ovirt-00 172.30.1.20"

systemctl restart ovirt-engine