Bluemonk: Remove add user to the kvm group

2026-02-03T09:22:57Z

Remove add user to the kvm group

← Older revision		Revision as of 09:22, 3 February 2026
Line 31:		Line 31:
	}		}
	);		);

	~~users.users = {~~
	~~user = { # replace with your username~~
	~~extraGroups = [ "kvm" ];~~
	};
	};
	</syntaxhighlight>		</syntaxhighlight>

Abdisto: /* Permissions */ Missing closing bracket

2026-01-21T01:45:27Z

Permissions: Missing closing bracket

← Older revision		Revision as of 01:45, 21 January 2026
Line 21:		Line 21:
	====== Permissions ======		====== Permissions ======

	<syntaxhighlight lang=nix>		<syntaxhighlight lang="nix">
	services.udev.packages = lib.singleton (pkgs.writeTextFile		services.udev.packages = lib.singleton (pkgs.writeTextFile
	{		{
Line 30:		Line 30:
	destination = "/etc/udev/rules.d/70-kvmfr.rules";		destination = "/etc/udev/rules.d/70-kvmfr.rules";
	}		}
			);

	users.users = {		users.users = {
Line 36:		Line 37:
	};		};
	};		};
	</syntaxhighlight >		</syntaxhighlight>

	====== CGroups ======		====== CGroups ======

Bluemonk: Created page with " === Prerequisites === * NixOS 25.11 (unstable should work too) * Looking Glass B7 * systemd 258 (because of [https://github.com/systemd/systemd/issues/39056 this]) === Configuration === ==== IVSHMEM with the KVMFR module ==== ====== Installing and Loading ====== boot.extraModulePackages = [ config.boot.kernelPackages.kvmfr ]; boot.initrd.kernelModules = [ "kvmfr" ]; boot.kernelParams = [ "kvmfr.static_..."

2026-01-18T15:26:55Z

Created page with " === Prerequisites === * NixOS 25.11 (unstable should work too) * Looking Glass B7 * systemd 258 (because of [https://github.com/systemd/systemd/issues/39056 this]) === Configuration === ==== IVSHMEM with the KVMFR module ==== ====== Installing and Loading ====== <syntaxhighlight lang=nix> boot.extraModulePackages = [ config.boot.kernelPackages.kvmfr ]; boot.initrd.kernelModules = [ "kvmfr" ]; boot.kernelParams = [ "kvmfr.static_..."

New page

=== Prerequisites ===

* NixOS 25.11 (unstable should work too)
* Looking Glass B7
* systemd 258 (because of [https://github.com/systemd/systemd/issues/39056 this])

=== Configuration ===

==== IVSHMEM with the KVMFR module ====

====== Installing and Loading ======

<syntaxhighlight lang=nix>
boot.extraModulePackages = [ config.boot.kernelPackages.kvmfr ];
boot.initrd.kernelModules = [ "kvmfr" ];
boot.kernelParams = [ "kvmfr.static_size_mb=64" ]; # replace with your calculated MEM requirement
</syntaxhighlight >

====== Permissions ======

<syntaxhighlight lang=nix>
services.udev.packages = lib.singleton (pkgs.writeTextFile
{
name = "kvmfr";
text = ''
SUBSYSTEM=="kvmfr", GROUP="kvm", MODE="0660", TAG+="uaccess"
'';
destination = "/etc/udev/rules.d/70-kvmfr.rules";
}

users.users = {
user = { # replace with your username
extraGroups = [ "kvm" ];
};
};
</syntaxhighlight >

====== CGroups ======

<syntaxhighlight lang=nix>
virtualisation.libvirtd.qemu = {
verbatimConfig = ''
namespaces = []
cgroup_device_acl = [
"/dev/null", "/dev/full", "/dev/zero",
"/dev/random", "/dev/urandom",
"/dev/ptmx", "/dev/kvm", "/dev/kqemu",
"/dev/rtc","/dev/hpet", "/dev/vfio/vfio",
"/dev/kvmfr0"
]
'';
};
</syntaxhighlight >

==== Install the Looking Glass client ====

<syntaxhighlight lang=nix>
environment.systemPackages = with pkgs; [
looking-glass-client
];
</syntaxhighlight >

Looking Glass - Revision history

Bluemonk: Remove add user to the kvm group

Abdisto: /* Permissions */ Missing closing bracket