Introduction Hyper-V checkpoints (previously called snapshots) allow you to capture the state of a virtual machine at a specific point in time and later revert to that state if needed. On Windows Server 2022, Hyper-V offers two checkpoint types — Standard and Production — each designed for different use cases. The PowerShell-based management tools for […]
Introduction Kubernetes on Windows Server 2022 allows you to run Windows containerized workloads alongside Linux containers in a mixed-OS cluster. Since Kubernetes control plane components (API server, scheduler, controller manager, etcd) only run on Linux, a Windows Server 2022 node always joins an existing cluster as a worker node — it cannot act as a […]
Introduction Windows containers bring the containerization model to Windows-native workloads — legacy .NET Framework applications, IIS web servers, Windows services, and COM-dependent applications that cannot run in Linux containers. Windows Server 2022 supports a range of Windows container base images from the Microsoft Container Registry (MCR), each offering a different trade-off between compatibility and image […]
Introduction Oracle Linux 9 ships with a stable, security-hardened base that makes deploying set up ipsec vpn with libreswan on oracle linux 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Set Up IPsec VPN with Libreswan on Oracle Linux 9, including dnf module streams where applicable, systemd unit management, […]
Introduction Oracle Linux 9 ships with a stable, security-hardened base that makes deploying configure wireguard vpn on oracle linux 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Configure WireGuard VPN on Oracle Linux 9, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for […]
Introduction to Hyper-V Replica Hyper-V Replica is an asynchronous replication feature built into Windows Server 2022 Hyper-V that continuously replicates virtual machine changes from a primary server to a replica server, providing disaster recovery capability without requiring shared storage or expensive SAN replication hardware. Changes made to a VM’s virtual hard disks on the primary […]
Introduction to Hyper-V Live Migration Live Migration is one of Hyper-V’s most important features for high availability and workload management. It allows a running virtual machine to be moved from one Hyper-V host to another with no downtime — users connected to services inside the VM experience only a very brief pause (typically less than […]
Introduction to Hyper-V Virtual Networking Virtual networking is one of the most complex and important aspects of a Hyper-V deployment on Windows Server 2022. The Hyper-V Virtual Switch is a Layer 2 software switch that runs in the hypervisor and provides connectivity between virtual machines and between VMs and the physical network. Beyond basic connectivity, […]
Introduction How to Configure Fail2ban on Oracle Linux 9 on Oracle Linux 9 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration is reproducible […]
Introduction to Hyper-V Virtual Machine Management Once the Hyper-V role is installed and your virtual switches are configured on Windows Server 2022, the next step is creating and managing virtual machines. Hyper-V supports two VM generations with different firmware and device models, offers granular control over CPU, memory, and storage allocation, and provides checkpoint functionality […]
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