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Working with Applications
MemVerge provides additional instructions for some popular applications supported by Memory Machine, either to assist with complex setup or to support additional functionality.
Working with KVM in Memory Machine
Running KVMs in Memory Machine requires extra setup and configuration.
Running KVM on Memory Machine
Running KVM on Memory Machine involves installing the KVM and Memory Machine software on a host machine; configuring KVM to use the Memory Machine memory manager on startup; and starting the virtual machine.
Preparing the System
Prepare a Memory Machine host to run KVM by installing and running the libvirt service and installing a guest OS on a virtual machine.

Overview and Installation
Getting started with MemVerge Memory Machine requires that you understand some background information about how persistent memory works. You can then install Memory Machine on a server and begin monitoring memory usage and capturing application snapshots.
Using the Memory Machine Management Center
Memory Machine Management Center (M3C) is a web UI application available on the host that is running the Memory Machine Management Service. You can view system resources and performance metrics; create and restore snapshots; schedule jobs; and more in M3C.
Using the Command Line Interface
You can administer and use MemVerge Memory Machine using the Command Line Interface (CLI) on any installed host.
Working with Applications
MemVerge provides additional instructions for some popular applications supported by Memory Machine, either to assist with complex setup or to support additional functionality.
- Working with Hazelcast Clusters
  Using MemVerge Memory Machine, you can manage the hosts of a Hazelcast cluster, capture snapshots of the cluster, and restore snapshotted clusters.
- Working with KVM in Memory Machine
  Running KVMs in Memory Machine requires extra setup and configuration.
  - Running KVM on Memory Machine
    Running KVM on Memory Machine involves installing the KVM and Memory Machine software on a host machine; configuring KVM to use the Memory Machine memory manager on startup; and starting the virtual machine.
    - Preparing the System
      Prepare a Memory Machine host to run KVM by installing and running the libvirt service and installing a guest OS on a virtual machine.
    - Configuring a Virtual Machine on Memory Machine
      To run a virtual machine (VM) on Memory Machine, add Memory Machine's LD_PRELOAD and MVMALLOC_CONFIG environment variable definitions to the VM configuration.
  - Working with Tiered Memory
- Working with Redis in Memory Machine
All Documentation
Links to all technical documentation for MemVerge Memory Machine including previous releases.

Preparing the System

Prepare a Memory Machine host to run KVM by installing and running the libvirt service and installing a guest OS on a virtual machine.

Before you begin

Install Memory Machine as described in Installing MemVerge Memory Machine.

Procedure

Add the user qemu to the mvmm user group.
```
# usermod -a -G mvmm qemu
```
Install the libvirt service as recommended for your operating system. For example, to install on RedHat Enterprise Linux 8 (RHEL 8), see "Getting Started with Virtualization" in the RedHat Customer Portal Product Documentation.
Create a virtual machine on the service.
For example, to create a virtual machine on RHEL 8, see "Creating Virtual Machines" in the RedHat Portal product documentation.