Complete Virtual Machine Management Guide

Virtual machine management is at the heart of modern IT operations, giving organizations the ability to run multiple systems and applications on a single piece of hardware with greater flexibility and efficiency. As businesses continue to scale and diversify their workloads, managing virtual environments effectively has become essential for optimizing performance, reducing costs and maintaining control over increasingly complex infrastructures.

From provisioning and monitoring to security and automation, virtual machine management offers the tools to streamline operations and support everything from development to production. In this blog, we’ll explore what it is, why it matters and how to make the most of it.

Virtual machine basics

Virtualization is the process of creating virtual versions of physical resources such as servers, storage devices or operating systems. Instead of relying on one machine for one workload, virtualization uses a software layer called a hypervisor to divide a physical machine’s resources into multiple, independent virtual machines (VMs). Each VM operates as if it were its own physical computer, complete with its own operating system and applications.

Virtual machines offer a wide range of benefits including improved resource utilization, cost savings and operational flexibility. They also simplify software testing, make backup and disaster recovery easier and allow teams to quickly provision or replicate environments. Because VMs are isolated from one another, they also provide a layer of security that helps prevent system-level failures from spreading.

Virtual machines are used across many industries for a variety of purposes. Common use cases include software development and testing, where VMs allow developers to simulate different environments without needing physical hardware for each setup. They’re also used to consolidate servers, enabling businesses to run multiple services on fewer physical machines.

VMs support legacy application hosting, allowing outdated software to run on modern infrastructure, and are popular in training environments where users can safely experiment without risking production systems. In cloud environments, VMs provide scalable, on-demand computing resources tailored to changing workload needs.

What is a virtual machine manager(VMM)?

A virtual machine manager (or VMM) is the brains behind your virtual infrastructure. It’s the software layer that spins up virtual machines, manages how they use your physical hardware and keeps everything running smoothly behind the scenes.

Think of VMMs as your command center for creating, configuring and controlling VMs with just a few clicks. These services help you scale faster, stay organized and maintain peak performance across your virtual environments. Whether you’re powering a cloud platform, testing software or running dozens of workloads in parallel, virtual machine management services give you the visibility and control to do it all — securely, efficiently and without breaking a sweat.

Modern virtual machine management is no longer limited to standalone hypervisors or siloed tools. As enterprises adopt containers alongside traditional virtual machines, the need for a unified management approach has become critical. This is where SUSE Virtualization fits naturally into the evolution of virtual machine managers.

SUSE Virtualization (formerly Harvester) is a Kubernetes-native virtualization solution that allows organizations to run and manage virtual machines and containers on a single platform. Instead of operating separate stacks for VMs and cloud native workloads, teams can use Kubernetes as the common control plane, simplifying operations and reducing infrastructure complexity.

By bringing virtualization into Kubernetes, SUSE Virtualization enables consistent lifecycle management, networking, storage and security policies across both virtual machines and containers. This unified model helps IT teams modernize at their own pace—continuing to run existing VM-based workloads while building and operating cloud native applications on the same platform.

Benefits of using a VMM

Managing multiple virtual environments without the right tools can get messy fast. That’s where a VMM comes in, offering a streamlined way to create, deploy and oversee virtual machines from a central interface. Whether you’re running a handful of test environments or supporting enterprise-scale workloads, a virtual machine manager helps you stay efficient, secure and in control. Here are some key benefits:

Simplifies resource management

A virtual machine manager makes it easy to allocate CPU, memory and storage to each VM based on real-time needs. Instead of manually juggling resources, you get smart controls that help prevent overuse or underutilization of hardware, keeping your infrastructure balanced and cost-effective.

Increases scalability and flexibility

As your needs grow, so can your environment. Virtual machine managers make it simple to spin up new VMs or reallocate resources on the fly, letting you scale up or down quickly without reconfiguring physical hardware or disrupting operations.

Boosts operational efficiency

Automated workflows, templates and centralized dashboards reduce the time spent on repetitive tasks like provisioning or monitoring. With a virtual machine manager, IT teams can focus on higher-value work instead of getting bogged down by manual VM maintenance.

Enhances system reliability and uptime

Many virtual machine managers offer built-in features like high availability, failover and live migration. These tools help minimize downtime, reduce the impact of hardware failures and ensure your workloads stay online and responsive.

Strengthens security and compliance

By managing access controls, isolating workloads and monitoring activity across virtual machines, a VMM adds a layer of protection to your infrastructure. It also helps enforce security policies and supports audit readiness for compliance-focused environments.

Key features of a virtual machine manager

A VM manager is more than just a tool for running virtual machines — it’s the engine that powers virtualization with control, efficiency and flexibility. Whether you’re managing a few VMs for testing or orchestrating hundreds across an enterprise, a VMM helps ensure that everything runs smoothly. Here are some of the core features and functions you can expect from a VMM:

• Virtual machine provisioning. Easily create, configure and deploy VMs from templates or custom settings.
• Resource allocation. Assign CPU, memory, storage and network resources to each VM based on your needs.
• Monitoring and performance tracking. Get real-time visibility into VM health, usage and system performance.
• Live migration. Move running VMs from one host to another with minimal or no downtime.
• High availability and failover. Automatically restart or relocate VMs in the event of hardware failure to maintain uptime.
• Access and security controls. Set role-based permissions and isolate workloads to maintain secure environments.
• Integration with orchestration tools. Connect to platforms like Kubernetes or cloud management tools for broader infrastructure control.
• Hypervisor management. Coordinate and manage one or multiple hypervisors to run VMs across different physical hosts.
• Virtual storage management. Manage virtual disks, allocate storage dynamically and optimize data storage across your virtual environment.

Getting started with SUSE Virtualization

SUSE offers a modern approach to virtual machine management through SUSE Virtualization, formerly known as Harvester.

Built on open source technologies, SUSE Virtualization provides a unified platform to manage virtual machines alongside container workloads, making it ideal for hybrid and cloud native environments. It delivers a streamlined, secure and scalable virtualization solution that integrates seamlessly with Kubernetes, enabling IT teams to manage VMs with the same agility and automation as containers. And it’s easy to get started.

Installation instructions

Getting started with SUSE Virtualization typically involves the following high-level steps:

1. Prepare the infrastructure
   Ensure supported hardware is available and networking, storage, and access requirements are defined according to your environment.
2. Install SUSE Virtualization
   Deploy SUSE Virtualization using the standard installation process, either on bare metal or in supported cloud environments, following the official documentation.
3. Configure the cluster
   Set up networking, storage backends, and authentication to establish a functional Kubernetes-based virtualization platform.
4. Access the management interface
   Once deployed, use the built-in web interface or Kubernetes tools to begin managing virtual machines and resources.

This approach enables teams to stand up a production-ready virtualization platform quickly while maintaining flexibility for future expansion.

Basic VM management commands

After installation, SUSE Virtualization supports common virtual machine lifecycle operations through Kubernetes-native workflows: Kernel-based Virtual Machine (KVM) is an open-source, full virtualization solution for Linux that turns the Linux kernel into a Type-1 (native) hypervisor. It allows a physical server to run multiple, isolated virtual machines (VMs) running unmodified Linux or Windows images, providing high performance, security, security, and scalability for data centers and cloud environments.

1. Create virtual machine images from ISO files or existing disk images
2. Provision virtual machines using predefined templates and configurations
3. Start, stop, and restart VMs using standard lifecycle controls
4. Attach storage and networking resources consistently across workloads
5. Monitor VM health and resource usage alongside container workloads

By managing VMs through Kubernetes constructs, teams gain a consistent operational experience across both virtual machines and containers.

Migrating to SUSE Virtualization

For organizations running traditional hypervisors, SUSE Virtualization provides a clear path to modernize without a disruptive “rip-and-replace” approach. Migration can be done incrementally, allowing existing workloads to move at a controlled pace while benefiting from a Kubernetes-native platform.

Migration stages

Assessment
Inventory existing virtual machines, dependencies, and resource requirements. Identify workloads that are good candidates for early migration and those that may require special handling.

Planning
Design the target architecture, define the migration order, and use techniques like live migrations to avoid any disruptions to workloads..

Migration
Transfer workloads , data, and configure networking to ensure services are correctly mapped to the new environment.

Validation
Verify application functionality, confirm performance expectations, and test availability and recovery scenarios to ensure workloads operate as expected.

Optimization
Once migrated, take advantage of Kubernetes-native capabilities such as GitOps automation, node auto-scaling, declarative infrastructure, and unified policy management to streamline operations and improve efficiency.

Best practices for implementing VM management

Whether you’re managing a handful of VMs or running a large-scale virtual infrastructure, having a solid approach to virtual machine management can make a huge difference in performance, security and efficiency. A well-structured management strategy helps prevent sprawl, reduces downtime and makes it easier to scale as your organization grows. Below are key best practices to follow when implementing virtual machine management:

Plan your VM lifecycle from the start

Before creating VMs, define a clear lifecycle for each one, from provisioning to decommissioning. Knowing when and how VMs will be created, monitored, updated and eventually retired helps reduce clutter, avoid waste and keep your environment organized. You can also tailor your VM manager to your industry. For example, a retail manager system is perfect for retail companies.

Standardize VM templates and configurations

Using standardized templates for operating systems, security settings and resource allocation ensures consistency across your virtual machines. This simplifies provisioning, supports compliance and reduces the likelihood of configuration errors that can lead to performance or security issues.

Monitor performance and resource usage regularly

Proactive monitoring helps you identify resource bottlenecks, detect anomalies and right-size your VMs for optimal performance. Regularly reviewing metrics like CPU, memory and disk usage helps avoid overprovisioning or underutilization, both of which can waste valuable resources.

Enforce strong access controls

Limit who can create, modify or delete virtual machines by applying role-based access controls. This helps protect critical systems from accidental changes, reduces security risks and ensures that only authorized users can manage sensitive workloads.

Automate where possible

Use automation tools and scripts to handle repetitive tasks such as provisioning, patching or backup scheduling. Automation not only saves time but also improves consistency and reduces the chance of human error.

Maintain regular backups and snapshots

Backups and snapshots are essential for recovering from failures, system crashes or user mistakes. Establish a backup policy that fits your business needs and test your recovery processes regularly to make sure they work when you need them most.

Why choose SUSE Virtualization?

Traditional virtual machine management platforms often rely on proprietary hypervisors and separate tooling, which can increase operational complexity and limit flexibility over time. SUSE Virtualization takes a different approach by embedding virtualization directly into a Kubernetes-native platform, allowing organizations to manage virtual machines and containers together through a single control plane.

By using open source technologies and Kubernetes as the foundation, SUSE Virtualization helps organizations avoid vendor lock-in while improving operational consistency. IT teams benefit from unified lifecycle management, standardized automation, and shared networking and storage models across workloads. This reduces overhead, simplifies day-to-day operations, and enables gradual modernization without forcing immediate architectural changes.

SUSE Virtualization also supports hybrid and on-premises environments, making it well suited for organizations that need predictable performance, strong isolation, and full control over infrastructure—while still preparing for cloud native application development.

Real-world SUSE Virtualization success stories

Organizations across industries are using SUSE Virtualization to modernize their virtual machine management strategies while maintaining stability for mission-critical workloads.

In many environments, teams have consolidated separate VM and container platforms into a single Kubernetes-based solution, reducing tool sprawl and simplifying operations. Others have used SUSE Virtualization to extend the lifecycle of existing workloads while introducing automation and self-service capabilities that were previously limited to container platforms.

These real-world implementations highlight how SUSE Virtualization enables smoother transitions from traditional virtualization models, improves operational efficiency, and provides a future-ready foundation for managing both virtual machines and modern applications.

This approach is reflected in how organizations are applying SUSE Virtualization in production today:

Child Rescue Coalition
Child Rescue Coalition uses SUSE Virtualization to run highly available, mission-critical systems with a small IT team. The platform helps improve resilience and simplify VM operations for workloads that require constant uptime.

Swiss National Supercomputing Center (CSCS)
CSCS leverages SUSE technologies to manage virtual machines and containerized workloads through a unified operational model. Automation has significantly reduced infrastructure management effort while improving consistency at scale.

Aussie Broadband
Aussie Broadband built a scalable private cloud using SUSE Virtualization to simplify VM and Kubernetes management. The result is faster provisioning, improved efficiency, and a foundation designed for future growth.

Virtual machine management: getting the most from your virtualization investment

Virtual machine management has become a cornerstone of modern IT strategy, offering businesses greater flexibility, improved resource efficiency and stronger scalability. By moving to virtualization, companies can consolidate infrastructure, streamline operations and respond faster to changing demands — all while reducing costs and boosting performance. If you’re looking to get more from your virtualization investment, now is the time to explore smarter, integrated solutions in this IDC report.

Virtual machine management FAQs

What is virtual machine management?

Virtual machine management (VMM) is the process of provisioning, monitoring, updating and securing virtual machines throughout their lifecycle. It ensures optimal performance, compliance and resource efficiency across on-premises and cloud environments.

How do I manage virtual machines effectively?

Effective VM management requires centralized control, automated provisioning, monitoring and lifecycle management. Tools like SUSE Multi-Linux Manager help IT teams streamline VM administration by providing automation, patching, compliance checks and integration with hybrid and multi-cloud environments. This ensures VMs remain secure, optimized and cost-efficient across the enterprise.

Can I run Windows VMs on SUSE Virtualization?

Yes. SUSE Virtualization supports running Windows virtual machines alongside Linux workloads, enabling organizations to manage mixed operating system environments on a single Kubernetes-based platform.

How does SUSE Virtualization integrate with containers?

SUSE Virtualization is Kubernetes-native, allowing virtual machines and containers to run side by side on the same platform and be managed through a unified control plane with consistent networking, storage, and automation.