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Florian RICHER 9d3bbbe01a All checks were successful check / check (push) Successful in 30s Details Update OS		2024-05-29 13:41:11 +02:00
.gitea/workflows	Add -y flag in apt install	2024-05-24 21:24:52 +02:00
.vscode	Add vscode autocomplete for nix (nixd)	2024-04-28 20:07:42 +02:00
hosts	Install ollama (support for cuda)	2024-05-29 10:17:45 +02:00
modules	modules.system.server.ollama: use var nvidiaEnabled	2024-05-29 10:46:26 +02:00
overlays/kwin	kwin: Add overlays with 5511 patch	2024-05-22 00:27:31 +02:00
.gitignore	Big refactor (#1 )	2024-05-28 10:12:33 +02:00
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flake.nix	Apply from official conf	2024-05-28 16:05:44 +02:00
LICENSE	Initial commit	2023-02-01 19:47:00 +01:00
README.md	Add To limit resources use during build	2024-05-24 23:55:10 +02:00

README.md

Usefull commands

Configure

nixos-rebuild switch --flake flake_path_directory#hostname

nix flake update --extra-experimental-features "nix-command flakes"

Configure VM

users.users.<user>.initialPassword = "<password>";
virtualisation.vmVariant = {
  # following configuration is added only when building VM with build-vm
  virtualisation = {
    memorySize = <RAM in MiB>; # Use 8192MiB memory.
    cores = <CPU Core number>;
    # And more here https://github.com/NixOS/nixpkgs/blob/nixos-unstable/nixos/modules/virtualisation/qemu-vm.nix     
  };
};

Build

nixos-rebuild build-vm --flake .#nixos-test

Run

./result/bin/run-nixos-vm-vm

Show changements between revisions

nix profile diff-closures --profile /nix/var/nix/profiles/system

nix store diff-closures /nix/var/nix/profiles/system-rev1-link /nix/var/nix/profiles/system-rev2-link

Clean system

List all profiles

nix profile history --profile /nix/var/nix/profiles/system

Remove all profiles older than 7 days

sudo nix profile wipe-history --older-than 7d --profile /nix/var/nix/profiles/system

nix profile wipe-history --older-than 7d --profile ~/.local/state/nix/profiles/home-manager

Clean up all useless store from old profiles

sudo nix store gc --debug

error: cached failure of attribute 'nixosConfigurations.perso-desktop.config.system.build.toplevel'

sudo rm -fr /root/.cache/nix/

If package is marked as insecure

Example:

error: Package 'nix-2.16.2' in /nix/store/nra828scc8qs92b9pxra5csqzffb6hpl-source/pkgs/tools/package-management/nix/default.nix:229 is marked as insecure, refusing to evaluate.

Known issues:

CVE-2024-27297

nix path-info -r /run/current-system | grep nix-2.16.2

Result:

[...]

/nix/store/g4ss2h40n3j37bq20x1qw5s7nl82lch5-nix-2.16.2

[...]

nix-store -q --referrers /nix/store/g4ss2h40n3j37bq20x1qw5s7nl82lch5-nix-2.16.2

Result:

/nix/store/g4ss2h40n3j37bq20x1qw5s7nl82lch5-nix-2.16.2

/nix/store/72pfc05339izcwqhlbs8441brrdasas7-nix-2.16.2-dev

/nix/store/ln2z5d5izn8icm3wx94ci13ad19lzjhr-nixd-1.2.3

nixd is not up to date and require nix 2.16.2

To limit resources use during build

nixos-rebuild build-vm --cores 16 --max-jobs 1 --flake .#nixos-test