mirror of
https://github.com/ryan4yin/nix-config.git
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101 lines
2.9 KiB
Nix
101 lines
2.9 KiB
Nix
{
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myvars,
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mylib,
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...
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}:
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#############################################################
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#
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# Ruby - a NixOS VM running under libvirt
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#
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#############################################################
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let
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hostName = "ruby"; # Define your hostname.
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inherit (myvars.networking) proxyGateway proxyGateway6 nameservers;
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inherit (myvars.networking.hostsAddr.${hostName}) iface ipv4;
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ipv4WithMask = "${ipv4}/24";
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in
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{
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imports = [
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./packages.nix
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./computer-use.nix
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./oci-containers
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];
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# Enable binfmt emulation of aarch64-linux, this is required for cross compilation.
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boot.binfmt.emulatedSystems = [
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"aarch64-linux"
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"riscv64-linux"
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];
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# This enables the kernel to preload the emulator binaries when the binfmt registrations are added,
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# obviating the need to make the emulator binaries available inside chroots and chroot-like sandboxes.
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boot.binfmt.preferStaticEmulators = true; # required to work with podman
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# supported file systems, so we can mount any removable disks with these filesystems
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boot.supportedFilesystems = [
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"ext4"
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"btrfs"
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"xfs"
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#"zfs"
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"ntfs"
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"fat"
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"vfat"
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"exfat"
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];
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boot.kernelModules = [ "kvm-amd" ];
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boot.extraModprobeConfig = "options kvm_amd nested=1"; # for amd cpu
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networking = {
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inherit hostName;
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# we use networkd instead
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networkmanager.enable = false;
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useDHCP = false;
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};
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networking.useNetworkd = true;
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systemd.network.enable = true;
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systemd.network.networks."10-${iface}" = {
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matchConfig.Name = [ iface ];
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networkConfig = {
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Address = [ ipv4WithMask ];
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# DNS goes to the proxy gateway, which resolves through the proxy;
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# `nameservers` is the plain upstream-DNS alternative.
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# DNS = nameservers;
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DNS = [ proxyGateway ];
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DHCP = "ipv6"; # enable DHCPv6 only, so we can get a GUA.
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IPv6AcceptRA = true; # for Stateless IPv6 Autoconfiguration (SLAAC)
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LinkLocalAddressing = "ipv6";
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};
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routes = [
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{
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Destination = "0.0.0.0/0";
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Gateway = proxyGateway;
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}
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{
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Destination = "::/0";
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Gateway = proxyGateway6;
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GatewayOnLink = true; # it's a gateway on local link.
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}
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];
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linkConfig.RequiredForOnline = "routable";
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};
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# systemd-journal - reduce disk usage
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# https://www.freedesktop.org/software/systemd/man/latest/journald.conf.html
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services.journald.settings.Journal = {
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SystemMaxUse = "2G";
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RuntimeMaxUse = "256M";
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};
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# This value determines the NixOS release from which the default
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# settings for stateful data, like file locations and database versions
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# on your system were taken. It‘s perfectly fine and recommended to leave
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# this value at the release version of the first install of this system.
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# Before changing this value read the documentation for this option
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# (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
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system.stateVersion = "24.11"; # Did you read the comment?
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}
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