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| Virt-manager is a GUI for managing local and remote virtual machines.
| | The [https://virt-manager.org/ virt-manager] application is a GUI for managing local and remote virtual machines through libvirt. It primarily targets KVM VMs, but also manages Xen and LXC (linux containers). |
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| == Requisites == | | == Requisites == |
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| === NixOS === | | === NixOS === |
| Before 23.11:
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| <syntaxhighlight lang="nix">
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| virtualisation.libvirtd.enable = true;
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| programs.dconf.enable = true; # virt-manager requires dconf to remember settings
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| environment.systemPackages = with pkgs; [ virt-manager ];
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| </syntaxhighlight>
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| After 23.11:
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| <syntaxhighlight lang="nix"> | | <syntaxhighlight lang="nix"> |
| virtualisation.libvirtd.enable = true; | | virtualisation.libvirtd.enable = true; |
| programs.virt-manager.enable = true; | | programs.virt-manager.enable = true; |
| </syntaxhighlight>
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| See [https://github.com/NixOS/nixpkgs/pull/261474 relevant merge request]
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| You will get a warning when you open it for the first time:
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| <code>Could not detect a default hypervisor. Make sure the appropriate QEMU/KVM virtualization packages are installed to manage virtualization on this host.
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| A virtualization connection can be manually added via File->Add Connection</code>
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| To resolve:
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| <pre>
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| File (in the menu bar) -> Add connection
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| HyperVisor = QEMU/KVM
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| Autoconnect = checkmark
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| Connect
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| </pre>
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| The same can also be achieved declaratively by setting the corresponding dconf settings with home-manager. If you want to do this instead of the imperative configuration described above, add the following snippet to your home-manager configuration:
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| <syntaxhighlight lang="nix">
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| dconf.settings = {
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| "org/virt-manager/virt-manager/connections" = {
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| autoconnect = ["qemu:///system"];
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| uris = ["qemu:///system"];
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| };
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| };
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| </syntaxhighlight> | | </syntaxhighlight> |
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