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Update configuration.nix

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ska
2025-12-22 16:19:54 +00:00
parent 41661ebd81
commit a1b3b29f42
1 changed files with 14 additions and 2 deletions
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14
configuration.nix
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@@ -200,7 +200,7 @@
};
systemd.timers.nixos-git-update = {
description = "Check for config updates hourly";
description = "Check for config updates at startup";
wantedBy = [ "timers.target" ];
timerConfig = {
OnBootSec = "60s";
@@ -213,6 +213,18 @@
zramSwap.enable = true;
############################################################
# USB ROOT DEVICE MONITOR (SHUTDOWN ON DISCONNECT)
############################################################
# Monitor root device removal and shut down
services.udev.extraRules = ''
# Match the root filesystem device by label (or use PARTLABEL/UUID if preferred)
KERNEL=="sd*", ENV{ID_FS_LABEL}=="nixos-root", SYMLINK+="nixos-root-device"
# Trigger when the root device is removed
ACTION=="remove", KERNEL=="sd*", ENV{ID_FS_LABEL}=="nixos-root", RUN+="/run/current-system/sw/bin/systemctl poweroff"
'';
############################################################
# NIXOS VERSION
############################################################