flakes

安装 nix

推荐多用户模式安装

sh <(curl -L https://mirror.nju.edu.cn/nix/nix-2.34.8/install) --daemon

daemon重启命令： sudo systemctl daemon-reload && sudo systemctl restart nix-daemon

conf

/etc/nix/nix.conf

• binary cache走国内镜像
• flake-registry.json文件在国内git仓库中，conf中路径需根据实际情况修改

experimental-features = nix-command flakes

substituters = https://mirror.sjtu.edu.cn/nix-channels/store https://cache.nixos.org/

flake-registry = /home/paper/flakes/flake-registry.json

channel

nix-channel --add https://mirror.nju.edu.cn/nix-channels/nixpkgs-26.05-darwin nixpkgs

nix-channel --update

flake

nix registry add templates git+https://gitlink.org.cn/xmng/nixos-templates.git

nix registry add nixpkgs https://mirrors.nju.edu.cn/nix-channels/nixpkgs-25.05-darwin/nixexprs.tar.xz

nix registry list

store

查看可清理：nix store gc --dry-run

清理：nix store gc

/nix/store的重复文件：nix store optimise

查看store大小：du -sh /nix/store

nix flake

nix flake check

nix develop

nix flake show

nix flake metadata

profile

nix profile add nixpkgs#devbox