![]() The memory of a VM can be swapped, backed by large volumes for better performance, and shared or backed by a disk file. ![]() KVM inherits the memory management features of Linux, including non-uniform memory access and kernel same-page merging. Because hardware vendors regularly contribute to kernel development, the latest hardware features are often rapidly adopted in the Linux kernel. KVM can use a wide variety of certified Linux-supported hardware platforms. Disk images support thin provisioning, allocating storage on demand rather than all up front. KVM also supports shared file systems so VM images may be shared by multiple hosts. Multipath I/O may be used to improve storage and provide redundancy. ![]() KVM is able to use any storage supported by Linux, including some local disks and network-attached storage (NAS). sVirt extends SELinux’s capabilities, allowing Mandatory Access Control (MAC) security to be applied to guest VMs and preventing manual labeling errors. SELinux establishes security boundaries around VMs. KVM uses a combination of security-enhanced Linux (SELinux) and secure virtualization (sVirt) for enhanced VM security and isolation. But there are specific features that make KVM an enterprise’s preferred hypervisor. ![]() Support hoursĩam – 5pm, Monday to Friday.KVM is part of Linux. If this is the case you will be notified via the ticketing system you will also receive regular updates until your request is resolved. However, because of the wide variety of requests we receive related to this service, in some cases resolution may take much longer. We aim to respond to service requests within one working day and to resolve standard queries and requests within 5 working days. University academic and research staff are eligible to use this service. ![]() Other distributions may be available if there is a genuine reason why Ubuntu cannot be used. Virtual machines with Ubuntu 20.04 LTS are pre-configured to use University IT accounts for authentication. The Research Virtual Machine service provides researchers with Linux virtual machines. ![]()
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