Merge pull request #112 from lisenet/feature-pxe-docs-update

PXE docs update

README.md

@@ -109,7 +109,7 @@ Commodity hardware is used to keep costs to a minimum.
 
 ## Guest Provisioning
 
-Previously, provisioning of KVM guests was done by using a [PXE boot server](https://www.lisenet.com/2021/install-and-configure-a-pxe-boot-server-for-kickstart-installation-on-centos/) with Kickstart templates.
+Previously, provisioning of KVM guests was done by using a PXE boot server ([CentOS 7](https://www.lisenet.com/2021/install-and-configure-a-pxe-boot-server-for-kickstart-installation-on-centos/), [Rocky 8](https://www.lisenet.com/2021/configure-pxe-boot-server-for-rocky-linux-8-kickstart-installation/), [Rocky 9](https://www.lisenet.com/2023/configure-pxe-boot-server-for-rocky-linux-9-kickstart-installation/)) with Kickstart templates.
 
 I have since migrated to [Packer](./packer/README.md) to make the VM deployment process faster. PXE boot is still used to provision physical hosts (hypervisors).
 
@@ -368,6 +368,7 @@ kubectl apply -f ./kubernetes/logging/promtail-deployment.yml
 * [Install MetalLB and Istio Ingress Gateway with Mutual TLS for Kubernetes](https://www.lisenet.com/2021/install-metallb-and-istio-ingress-gateway-with-mtls-for-kubernetes/)
 * [Moving to TrueNAS and Democratic CSI for Kubernetes Persistent Storage](https://www.lisenet.com/2021/moving-to-truenas-and-democratic-csi-for-kubernetes-persistent-storage/)
 * [Configure PXE Boot Server for Rocky Linux 8 Kickstart Installation](https://www.lisenet.com/2021/configure-pxe-boot-server-for-rocky-linux-8-kickstart-installation/)
+* [Configure PXE Boot Server for Rocky Linux 9 Kickstart Installation](https://www.lisenet.com/2023/configure-pxe-boot-server-for-rocky-linux-9-kickstart-installation/)
 * [Migrating HA Kubernetes Cluster from CentOS 7 to Rocky Linux 8](https://www.lisenet.com/2021/migrating-ha-kubernetes-cluster-from-centos-7-to-rocky-linux-8/)
 * [Blue/Green Deployment with Istio: Match Host Header and sourceLabels for Pod to Pod Communication](https://www.lisenet.com/2021/blue-green-deployment-with-istio-match-host-header-and-sourcelabels-for-pod-to-pod-communication/)
 * [Install Kubecost to Help Optimise Kubernetes Applications](https://www.lisenet.com/2021/install-kubecost-to-help-optimise-kubernetes-applications/)