From 3ad4f62f174651db0d98a2de9f9d298a4db23b9d Mon Sep 17 00:00:00 2001
From: srdusr <graytrevor98@gmail.com>
Date: Fri, 24 Feb 2023 12:33:17 +0200
Subject: Enable Nested Virtualization option added to KVM

---
 virt/vm.md | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/virt/vm.md b/virt/vm.md
index 4e9f3f2..290c4da 100644
--- a/virt/vm.md
+++ b/virt/vm.md
@@ -66,3 +66,27 @@ unix_sock_rw_perms = "0770"
 - Restart libvirt daemon.
 `$ sudo systemctl restart libvirtd.service`
 - - -
+4. Enable Nested Virtualization (optional)
+`$ ### Intel Processor ###`
+`$ sudo modprobe -r kvm_intel`
+`$ sudo modprobe kvm_intel nested=1`
+
+`$ ### AMD Processor ###`
+`$ sudo modprobe -r kvm_amd`
+`$ sudo modprobe kvm_amd nested=1`
+- To make this configuration persistent, run:
+`$ echo "options kvm-intel nested=1" | sudo tee /etc/modprobe.d/kvm-intel.conf`
+- Confirm that Nested Virtualization is set to Yes:
+`$### Intel Processor ###`
+`$ systool -m kvm_intel -v | grep nested`
+    `nested              = "Y"`
+    `nested_early_check  = "N"`
+`$ cat /sys/module/kvm_intel/parameters/nested `
+`Y`
+
+`$### AMD Processor ###`
+`$ systool -m kvm_amd -v | grep nested`
+    `nested              = "Y"`
+    `nested_early_check  = "N"`
+`$ cat /sys/module/kvm_amd/parameters/nested`
+`Y`
-- 
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