Difference between revisions of "Virt-manager/ru"

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= What we absolutely must know =

= What we absolutely must know =

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5. The minimum hardware requirements of the operating system you want to install as a virtual machine.

5. The minimum hardware requirements of the operating system you want to install as a virtual machine.

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= Install virt-manager, qemu and all dependencies=

= Install virt-manager, qemu and all dependencies=

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From terminal:

From terminal:

Enable and start service

Enable and start service

  sudo systemctl enable libvirtd.service

  sudo systemctl enable libvirtd.service

# You don't need this step to run system-level virtual machines. However, virt-manager will prompt for sudoer's password when launch if the user is not in the ''libvirt'' group   

# You don't need this step to run system-level virtual machines. However, virt-manager will prompt for sudoer's password when launch if the user is not in the ''libvirt'' group   

# You can also create '''user'''-level virtual machines (qemu:///session) and use without sudoer's privelige. However, some features such as [https://libvirt.org/kbase/virtiofs.html VirtioFS file sharing] may be unavailable in qemu:///session}}

# You can also create '''user'''-level virtual machines (qemu:///session) and use without sudoer's privelige. However, some features such as [https://libvirt.org/kbase/virtiofs.html VirtioFS file sharing] may be unavailable in qemu:///session}}

= Using Virt-Manager for guest creation=

= Using Virt-Manager for guest creation=

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{{warning|'''All these steps are visible on youtube.''' '''[https://youtu.be/DiUG_hlLk3c >>> PLAY THIS] [[File:YouTube_1.png|thumb|center|300px]]'''}}

{{warning|'''All these steps are visible on youtube.''' '''[https://youtu.be/DiUG_hlLk3c >>> PLAY THIS] [[File:YouTube_1.png|thumb|center|300px]]'''}}

==Install guest additions==

==Install guest additions==

Once the VM is started and running you have to install the [https://www.spice-space.org/download.html spice guest tools].

Once the VM is started and running you have to install the [https://www.spice-space.org/download.html spice guest tools].

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Visit: '''[http://www.spice-space.org/download.html Spice download]'''

Visit: '''[http://www.spice-space.org/download.html Spice download]'''

==Tune the display settings==

==Tune the display settings==

The default model of display card is QXL. If your virtual machine is Linux system, you can change it to virtio and enable 3D acceleration for better graphic performance.  

The default model of display card is QXL. If your virtual machine is Linux system, you can change it to virtio and enable 3D acceleration for better graphic performance.  

# In virtual machine details, go to display card. Under the XML tab, change the value of '''vgamem''' to 65536, then apply the change.

# In virtual machine details, go to display card. Under the XML tab, change the value of '''vgamem''' to 65536, then apply the change.

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==File sharing between host and guest==

==File sharing between host and guest==

For Linux guests, Virtio-FS and 9p are available for file sharing. See [https://wiki.archlinux.org/title/Libvirt#Sharing_data_between_host_and_guest ArchWiki] for more information.

For Linux guests, Virtio-FS and 9p are available for file sharing. See [https://wiki.archlinux.org/title/Libvirt#Sharing_data_between_host_and_guest ArchWiki] for more information.

Check [https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/configuring_and_managing_virtualization/sharing-files-between-the-host-and-its-virtual-machines_configuring-and-managing-virtualization#sharing-files-between-the-host-and-windows-virtual-machines_sharing-files-between-the-host-and-its-virtual-machines this article] for more information.

Check [https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/configuring_and_managing_virtualization/sharing-files-between-the-host-and-its-virtual-machines_configuring-and-managing-virtualization#sharing-files-between-the-host-and-windows-virtual-machines_sharing-files-between-the-host-and-its-virtual-machines this article] for more information.

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==Optimize vCPU==

==Optimize vCPU==

Check [https://docs.fedoraproject.org/en-US/Fedora/13/html/Virtualization_Guide/ch25s06.html this article] to customize vCPU topology for better performance.

Check [https://docs.fedoraproject.org/en-US/Fedora/13/html/Virtualization_Guide/ch25s06.html this article] to customize vCPU topology for better performance.

For example, my CPU has 1 socket, 8 cores, and 16 threads in total. The automatic topology assigns 4 sockets, 1 core, and 1 thread to my guest. After changing it to 1 socket, 4 cores, and 1 thread, the performance increases significantly.

For example, my CPU has 1 socket, 8 cores, and 16 threads in total. The automatic topology assigns 4 sockets, 1 core, and 1 thread to my guest. After changing it to 1 socket, 4 cores, and 1 thread, the performance increases significantly.

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= Рекомендации =

= Рекомендации =

'''[https://virt-manager.org/ Virt-manager]'''

'''[https://virt-manager.org/ Virt-manager]'''

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'''[http://www.amd.com/en-gb/innovations/software-technologies/processors-for-business/virtualization Amd-v]'''

'''[http://www.amd.com/en-gb/innovations/software-technologies/processors-for-business/virtualization Amd-v]'''

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[[Category:Contents Page{{#translation:}}]]

[[Category:Contents Page{{#translation:}}]]