qemu – POFTUT

What Is An Emulator?

What Is An Emulator?

An emulator is a computer or program or software or application that emulates or imitates another computer or program or software or application. As an example, a Windows application can be run by using an emulator on a Linux operating system. What Is an Emulator? The emulator will behave like another platform in order to … Read more

What Is KVM (Kernel-based Virtual Machine) In Linux?

What Is KVM (Kernel-based Virtual Machine) In Linux?

Virtualization is a hot area in Computing. There is a different type of virtualization solutions and techniques used in a different environment and operating systems. KVM or Kernel-based Virtual Machine is a virtualization technology used in Linux kernel and distributions. Linux KVM can be only used in Linux kernel and distribution because of its design … Read more

Virt Install Tool For Virtualization With KVM and Qemu For Linux

Virtualization and cloud computing is future of the IT. There are a lot of tools and architectures to make virtual the systems. Every big vendor have their original or clone virtualization technology or ecosystem. Linux provides KVM, Qemu for opensource, fast virtualization. Open source cloud ecosystem Openstack is mainly positioned on KVM,Libvirt and Qemu. In … Read more

Linux Qemu-img Command Tutorial With Examples to Create, Change, Shrink Disk Images

KVM (Kernel Virtualization Module) is an open source, popular and efficient virtualization technology provided by Linux kernel. Virtualization creates virtual ram, devices, disks, CPU’s, networks etc. Qemu is the user space tool used to provide these to the kernel level virtualization tool KVM. Disk is one of the most important device in the virtual systems. … Read more

How To Mount VM Images with Guestmount?

How To Mount VM Images with Guestmount?

guestmount is a tool used to mount VM images. This VM images can be different formats like qcow, vmdk, vdi, etc. In this tutorial, we will examine different use cases about guestmount. Mount Disk Image We will start by mounting given image partition to the specified directory. We will provide the image with the -a … Read more

How To Clone VM with Libguestfs?

How To Clone VM with Libguestfs?

Hi, today we will look disk image tools/library which is very powerful. We will look for now just the tools, not the library but in the future, we can investigate the library in c or python too. With the era of cloud computing things to be done very fast, practical and precise way. In the … Read more

QEMU Tutorial with Examples

QEMU Tutorial with Examples

Qemu is a very old virtualization technology used to virtualize system components and run operating systems on it. Before KVM and XEN QEMU was used heavily but it can not race with VMWARE or VIRTUAL PC. But with the KVM Qemu get superfast speed for computing by using hardware-based virtualization. QEMU acts as a hardware … Read more

How To Create Snapshot of KVM / Libvirt / Qemu Vm?

KVM  is a hyper visor used by a lot of Linux distributions. I am currently using it and very happy with it. I have most of the abilities paid hypervisors like HyperV, Vmware provides. Snapshots is picture of the VM in specified time. For example we will install new application but it can brake our … Read more