Update configuration.nix
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@@ -19,9 +19,12 @@
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};
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############################################################
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# INITRD – HARDWARE‑AGNOSTIC + LUKS
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# INITRD – HARD FAIL, NO RESCUE
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############################################################
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boot.initrd.systemd.enable = true;
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boot.initrd.emergencyAccess = false;
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boot.initrd.availableKernelModules = [
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"usb_storage"
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"xhci_hcd"
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@@ -40,6 +43,16 @@
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allowDiscards = true;
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};
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############################################################
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# KERNEL – FAIL DEAD ON I/O LOSS
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############################################################
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boot.kernelParams = [
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"panic=1"
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"oops=panic"
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"panic_on_warn=1"
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];
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############################################################
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# FIRMWARE – WIDE HARDWARE SUPPORT
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############################################################
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@@ -51,7 +64,7 @@
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hardware.cpu.amd.updateMicrocode = true;
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############################################################
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# FILESYSTEMS – BASED ON LABELS
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# FILESYSTEMS – USB ONLY
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############################################################
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fileSystems."/" = {
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@@ -64,6 +77,29 @@
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fsType = "vfat";
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};
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fileSystems."/tmp" = {
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fsType = "tmpfs";
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options = [ "mode=1777" "nosuid" "nodev" ];
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};
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############################################################
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# MEMORY SAFETY – NO SWAP ANYWHERE
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############################################################
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swapDevices = [ ];
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zramSwap.enable = false;
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############################################################
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# POWER MANAGEMENT – DISABLED (CRITICAL)
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############################################################
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services.logind.lidSwitch = "ignore";
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systemd.targets.sleep.enable = false;
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systemd.targets.suspend.enable = false;
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systemd.targets.hibernate.enable = false;
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systemd.targets.hybrid-sleep.enable = false;
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############################################################
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# NETWORKING
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############################################################
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@@ -159,7 +195,6 @@
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#!/run/current-system/sw/bin/bash
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set -e
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# Ensure all system tools are available
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export PATH="/run/current-system/sw/bin:/nix/var/nix/profiles/default/bin"
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export NIX_PATH="nixpkgs=/nix/var/nix/profiles/per-user/root/channels/nixos"
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@@ -169,50 +204,31 @@
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if [ ! -d "$LOCAL_PATH/.git" ]; then
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mkdir -p "$LOCAL_PATH"
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chmod 700 "$LOCAL_PATH"
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echo "Cloning config from $REPO_URL..."
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git clone "$REPO_URL" "$LOCAL_PATH"
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else
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cd "$LOCAL_PATH"
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echo "Fetching updates..."
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git fetch origin
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LOCAL_HEAD=$(git rev-parse HEAD)
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REMOTE_HEAD=$(git rev-parse origin/main)
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if [ "$LOCAL_HEAD" != "$REMOTE_HEAD" ]; then
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echo "New config available. Updating..."
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git reset --hard origin/main
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nixos-rebuild switch -I nixos-config="$LOCAL_PATH/configuration.nix"
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echo "System updated successfully."
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else
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echo "Config is already up to date."
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fi
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fi
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'';
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environment.etc."update-nixos-config.sh".mode = "0700";
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systemd.services.nixos-git-update = {
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description = "Update NixOS from public Git config";
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description = "Update NixOS from Git config";
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script = "/etc/update-nixos-config.sh";
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serviceConfig = {
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Type = "oneshot";
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User = "root";
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Group = "root";
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};
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serviceConfig.Type = "oneshot";
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};
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systemd.timers.nixos-git-update = {
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description = "Check for config updates at startup";
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wantedBy = [ "timers.target" ];
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timerConfig = {
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OnBootSec = "60s";
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};
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timerConfig.OnBootSec = "60s";
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};
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############################################################
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# USB OPTIMIZATIONS
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############################################################
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zramSwap.enable = true;
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############################################################
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# NIXOS VERSION
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############################################################
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