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feat: idols-ai - add new data disk via disko (#250)

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feat: luks automatic unlock via tpm2 chip for all physical hosts
feat: enable login manager
fix: Rename network interface config back following hardware change
This commit is contained in:
Ryan Yin
2026-03-18 22:26:08 +08:00
committed by GitHub
parent 3dbc94c3de
commit f6aa45aa00
16 changed files with 121 additions and 81 deletions
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15
modules/nixos/base/zram.nix
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@@ -1,3 +1,4 @@
{ lib, ... }:
{
# Enable in-memory compressed devices and swap space provided by the zram kernel module.
# By enable this, we can store more data in memory instead of fallback to disk-based swap devices directly,
@@ -7,37 +8,37 @@
zramSwap = {
enable = true;
# one of "lzo", "lz4", "zstd"
algorithm = "zstd";
algorithm = lib.mkDefault "zstd";
# Priority of the zram swap devices.
# It should be a number higher than the priority of your disk-based swap devices
# (so that the system will fill the zram swap devices before falling back to disk swap).
priority = 100;
priority = lib.mkDefault 100;
# Maximum total amount of memory that can be stored in the zram swap devices (as a percentage of your total memory).
# Defaults to 1/2 of your total RAM. Run zramctl to check how good memory is compressed.
# This doesn’t define how much memory will be used by the zram swap devices.
memoryPercent = 50;
memoryPercent = lib.mkDefault 50;
};
# Optimizing swap on zram
boot.kernel.sysctl = {
# vm.swappiness - Controls kernel preference for swapping (range: 0-200, default: 60)
# For in-memory swap devices like zram/zswap, values above 100 are recommended.
"vm.swappiness" = 180;
"vm.swappiness" = lib.mkDefault 180;
# vm.watermark_boost_factor - Controls aggressiveness of memory reclaim (default: 15000)
# Setting to 0 disables watermark boost, preventing premature memory reclamation.
# This allows fuller memory utilization before the kernel starts reclaiming pages.
"vm.watermark_boost_factor" = 0;
"vm.watermark_boost_factor" = lib.mkDefault 0;
# vm.watermark_scale_factor - Controls kswapd wakeup frequency (range: 1-1000, default: 10)
# A higher value triggers background memory reclamation earlier (at 12.5% memory pressure).
# Value 125 means kswapd becomes active when free memory drops below 1/125 of total memory,
# balancing memory more proactively to prevent sudden swap storms at high swappiness values.
"vm.watermark_scale_factor" = 125;
"vm.watermark_scale_factor" = lib.mkDefault 125;
# vm.page-cluster - Controls swap readahead (range: 0-6, default: 3)
# 0 means read only 1 page (2^0) at a time, disabling readahead.
# For low-latency devices like zram, readahead hurts performance by fetching unnecessary data.
"vm.page-cluster" = 0;
"vm.page-cluster" = lib.mkDefault 0;
};
}

4
modules/nixos/desktop.nix
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@@ -39,8 +39,8 @@ in
user = myvars.username;
# .wayland-session is a script generated by home-manager, which links to the current wayland compositor(sway/hyprland or others).
# with such a vendor-no-locking script, we can switch to another wayland compositor without modifying greetd's config here.
command = "$HOME/.wayland-session"; # start a wayland session directly without a login manager
# command = "${pkgs.greetd.tuigreet}/bin/tuigreet --time --cmd $HOME/.wayland-session"; # start wayland session with a TUI login manager
command = "${pkgs.tuigreet}/bin/tuigreet --time --cmd $HOME/.wayland-session"; # start wayland session with a TUI login manager
# command = "$HOME/.wayland-session"; # start a wayland session directly without a login manager
};
};
};