NixOS: Difference between revisions
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|Update | |Update | ||
Equivalent to: nix-channel --update nixos; nixos-rebuild-switch | Equivalent to: nix-channel --update nixos; nixos-rebuild-switch | ||
|- | |||
|nixos-rebuild --show-trace switch -I nixpkgs=. | |||
|Build the configuration with debugging enabled using a modified nixpkgs source | |||
|} | |} | ||
Revision as of 04:33, 14 December 2017
NixOS is an operating system based on the Linux kernel, on systemd and on the package manager nix.
- Profile (default, user profile)
- root -> default profile
/nix/var/nix/profiles/default- Each Profile has a Generation (change each time the environment change with nix-env)
- list
- delete
- switch
- stored in the nix-store in xxx-user-env package
- Each Profile has a Generation (change each time the environment change with nix-env)
nixos-rebuild
| Command | Build the configuration | Make the default boot | Switch the running system to it | Comments |
|---|---|---|---|---|
| nixos-rebuild switch | Yes | Yes | Yes | |
| nixos-rebuild test | Yes | No | Yes | |
| nixos-rebuild boot | Yes | Yes | No (next reboot) | |
| nixos-rebuild switch -p test | Yes | ? | ? | Show up in a different Grub sub-menu |
| nixos-rebuild build | Yes | No | No | |
| nixos-rebuild build-vm | Yes | No | No | Generate a Qemu image |
| Command | Comments |
|---|---|
| nixos-rebuild switch --upgrade | Update
Equivalent to: nix-channel --update nixos; nixos-rebuild-switch |
| nixos-rebuild --show-trace switch -I nixpkgs=. | Build the configuration with debugging enabled using a modified nixpkgs source |
nix-channel
| Command | Comments |
|---|---|
| nix-channel --list | |
| nix-channel --add <URL> <NAME> | |
| nix-channel --remove <NAME> | |
| nix-channel --update <NAME> |
nix-env
| Command | Comments |
|---|---|
| nix-env -q | list installed derivations |
| nix-env -qa | view the set of available packages in Nixpkgs |
| nix-env -qaf <path/to/nixpkg> | view the set of available packages from a specific Nixpkgs folder |
| nix-env -qas | get the status of the available package |
| nix-env -i <package> | install the given package |
| nix-env -e <package> | uninstall the given package |
| nix-env -u <package> | upgrade the given package |
| nix-env -u | upgrade all the package |
| nix-env -u --dry-run | |
| nix-env --delete-generation old | delete older generations |
| nix-env --delete-generation 10 11 12 | delete generations 10 11 12 |
| nix-env --delete-generation 10d | delete generations older than 10d |
| nix-env -G 3 | switch to the generation 3 |
| nix-store --gc | |
| nix-store --gc --print-dead | |
| nix-store --gc --print-live | |
| nix-store -q --references `which <binary>` | |
| nix-store -q --referrers `which <binary>` | |
| nix-collect-garbage -d | |
| nix-env --list-generations | |
| nix-env --switch-profile /nix/var/nix/profiles/my-profile | |
| nix-env --rollback | To switch to the previous generation |