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# nixos-config - My current NixOS configuration
#
# Copyright (C) 2025 Benedikt Peetz <benedikt.peetz@b-peetz.de>
# SPDX-License-Identifier: GPL-3.0-or-later
#
# This file is part of my nixos-config.
#
# You should have received a copy of the License along with this program.
# If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
{pkgs}: {
services = {
hibernate-preparation = {
wantedBy = ["systemd-hibernate.service"];
unitConfig = {
Description = "Enable swap file and disable zram before hibernate";
Before = "systemd-hibernate.service";
};
serviceConfig = {
Type = "oneshot";
User = "root";
ExecStart = "${pkgs.bash}/bin/bash -c \"${pkgs.util-linux}/bin/swapon /swap/swapfile && ${pkgs.util-linux}/bin/swapoff /dev/zram0\"";
};
};
hibernate-resume = {
wantedBy = ["systemd-hibernate.service"];
unitConfig = {
Description = "Disable swap after resuming from hibernation";
After = "hibernate.target";
};
serviceConfig = {
Type = "oneshot";
User = "root";
ExecStart = "${pkgs.util-linux}/bin/swapoff /swap/swapfile";
};
};
# swapoff-start = {
# wantedBy = ["multi-user.target"];
# unitConfig = {
# Description = "Disable hardware swap after booting";
# };
# serviceConfig = {
# Type = "oneshot";
# User = "root";
# ExecStart = "${pkgs.util-linux}/bin/swapoff /swap/swapfile";
# };
# };
systemd-hibernate.serviceConfig.Environment = "SYSTEMD_BYPASS_HIBERNATION_MEMORY_CHECK=1";
systemd-logind.serviceConfig.Environment = "SYSTEMD_BYPASS_HIBERNATION_MEMORY_CHECK=1";
};
sleep.settings.Sleep = {
HibernateDelaySec = "10m";
};
}
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