Create a KVM Virtual Machine using a Qcow2 Linux Image
On this information, we’ll see 3 ways to create a KVM digital machine utilizing Qcow2 picture in Linux. For these questioning, QCOW, stands for QEMU copy-on-write, is the default storage format for digital disks of QEMU/KVM cases. Some Linux distributions particularly RHEL gives custom-made Qcow2 photographs, so we are able to immediately create and run new digital machines with Purple Hat Enterprise Linux OpenStack Platform, or KVM hypervisor.
Create A KVM Digital Machine Utilizing Qcow2 Picture
We are able to import Qcow2 photographs in three alternative ways;
virt-install is a command line instrument to create KVM, Xen and Linux container friends. It’s a part of the Virt-manager bundle. If you have not put in Virt-manager but, refer the information hooked up in “Virt-manager” part beneath.
To create new KVM VM utilizing Qcow2 picture, run:
Virt-manager is a graphical person interface utility used for creating and managing digital machines by libvirt. Refer the next information to discover ways to set up and use Digital-manager.
As soon as Virt-manager is put in, launch it from Sprint or Menu.
Navigate to File -> New Digital Machine. Virt-manager may have an “Import current disk picture” choice within the first window when creating a brand new digital machine. Select it and click on Ahead button.
Select the precise path of Qcow2 picture after which select the working system’s variant you need to set up. In my case, I selected CentOS 8.
Select Reminiscence and CPU settings for the brand new VM:
Examine the “Customise configuration earlier than set up” choice and click on End.
Now you will note VM’s configuration window. Click on on “VirtIO Disk 1” setting from the left pane. On the suitable aspect pane, select “SATA” as DISK BUS worth below Superior Settings. Click on Apply to allow the adjustments.
Subsequent configure Community settings for the VM. To take action, click on “NIC :xx:xx:xx” choice and choose the Community Supply, System mannequin and so forth. Click on Apply to save lots of the adjustments.
Lastly, click on “Start Set up” on the highest bar to start out loading the brand new VM.
You can be redirected to the Digital machine’s graphical console.
Begin utilizing the newly created VM!
3. Import Qcow2 photographs utilizing Cockpit Net console
Cockpit is a web-based server administration instrument for managing distant Linux machines through a web-browser.
Not simply bodily machines, we are able to additionally handle digital machines through Cockpit. For extra particulars, refer the next information to discover ways to handle KVM VMs through Cockpit:
Log in to your Cockpit internet console. Then click on on “Digital Machines” tab on the left pane.
Click on “Import VM” choice to import the present Qcow2 digital disk picture.
Enter the Digital machine identify, select the Qcow2 picture file location, select the reminiscence measurement and click on “Import” choice. Ensure you’ve unchecked the field that claims – “Instantly Begin VM”. As a result of, we have to do configure Disk and Community settings.
After importing the machine, you’ll be able to alter CPU, Reminiscence and Community settings as per your requirement. First, we have to configure the Disk Bus Kind.
To take action, Click on on the “Disks” tab and click on “Edit”.
Select the bus sort. The default is hypervisor dependent. For KVM, the default worth is virtio. You’ll want to choose a sound bus sort. I choose the bus sort as “sata” and click on Save.
Subsequent go to Community Interfaces tab, click on “Edit”, select Interface Kind and Supply and eventually click on Save.
As soon as every little thing is nice, click on “Run” to start out the digital machine:
Go to the Consoles tab and see if the newly created VM is working!
Hope this helps.
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