From 2fa349ae005e4455d3a2d1bf7bd64463497d1609 Mon Sep 17 00:00:00 2001 From: Florian Sesser <florian@leastauthority.com> Date: Wed, 18 Dec 2024 14:45:26 +0000 Subject: [PATCH] Configure NixOS to keep fewer old kernels around Refs #190 --- morph/lib/issuer-aws.nix | 4 ++++ nixos/modules/100tb.nix | 3 +++ 2 files changed, 7 insertions(+) diff --git a/morph/lib/issuer-aws.nix b/morph/lib/issuer-aws.nix index 9767e1ad..4c3f866e 100644 --- a/morph/lib/issuer-aws.nix +++ b/morph/lib/issuer-aws.nix @@ -19,6 +19,10 @@ # See https://unix.stackexchange.com/a/554500/81275 boot.kernelModules = [ "loop" ]; + # NixOS likes to fill up boot partitions with (by default) 100 old kernels. + # Keep a (for us) more reasonable number around. + boot.loader.grub.configurationLimit = 8; + # Break the tie between AWS and morph for the hostname by forcing the # morph-supplied name. See also # <https://github.com/DBCDK/morph/issues/146>. diff --git a/nixos/modules/100tb.nix b/nixos/modules/100tb.nix index 997e82e1..bd8a11c8 100644 --- a/nixos/modules/100tb.nix +++ b/nixos/modules/100tb.nix @@ -105,6 +105,9 @@ in { { boot.loader.grub.enable = true; boot.loader.grub.device = if cfg.grubDeviceID == "nodev" then "nodev" else "/dev/disk/by-id/${cfg.grubDeviceID}"; boot.loader.timeout = 10; + # NixOS likes to fill up boot partitions with (by default) 100 old kernels. + # Keep a (for us) more reasonable number around. + boot.loader.grub.configurationLimit = 8; networking.firewall.enable = false; networking.hostId = cfg.hostId; -- GitLab