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https://github.com/ryan4yin/nixos-and-flakes-book
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feat: add content - reduce disk usage
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@ -65,3 +65,32 @@ Another command returns all packages installed in the system:
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```shell
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nix-env -qa
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```
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## Reduce Disk Usage
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```nix
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{ lib, pkgs, ... }:
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{
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# ......
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# do not need to keep too much generations
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boot.loader.systemd-boot.configurationLimit = lib.mkDefault 10;
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# boot.loader.grub.configurationLimit = 10;
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# do garbage collection weekly to keep disk usage low
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nix.gc = {
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automatic = lib.mkDefault true;
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dates = lib.mkDefault "weekly";
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options = lib.mkDefault "--delete-older-than 1w";
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};
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# Optimise storage
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# you can alse optimise the store manually via:
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# nix-store --optimise
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# https://nixos.org/manual/nix/stable/command-ref/conf-file.html#conf-auto-optimise-store
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nix.settings.auto-optimise-store = true;
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}
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```
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@ -62,3 +62,31 @@ sudo nix store gc --debug
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```shell
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nix-env -qa
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```
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## 节约存储空间
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```nix
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{ lib, pkgs, ... }:
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{
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# ......
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# do not need to keep too much generations
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boot.loader.systemd-boot.configurationLimit = lib.mkDefault 10;
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# boot.loader.grub.configurationLimit = 10;
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# do garbage collection weekly to keep disk usage low
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nix.gc = {
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automatic = lib.mkDefault true;
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dates = lib.mkDefault "weekly";
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options = lib.mkDefault "--delete-older-than 1w";
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};
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# Optimise storage
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# you can alse optimise the store manually via:
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# nix-store --optimise
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# https://nixos.org/manual/nix/stable/command-ref/conf-file.html#conf-auto-optimise-store
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nix.settings.auto-optimise-store = true;
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}
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```
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