NixOS: Difference between revisions
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In addition to declarative system configuration, NixOS offers imperative commands to manage ''user specific'' package management. These operations are managed by the <code>nix-env</code> command line tool. The following is a summary of some common operations that can be performed with it: | In addition to declarative system configuration, NixOS offers imperative commands to manage ''user specific'' package management. These operations are managed by the <code>nix-env</code> command line tool. The following is a summary of some common operations that can be performed with it: | ||
{| | {| class="wikitable" | ||
|+ Basic <code>nix-env</code> Commands | |||
|Searching for packages | |Searching for packages | ||
|<code>nix-env -qaP '.*packagename.*'</code> | |<code>nix-env -qaP '.*packagename.*'</code> | ||
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Nix ''channels'' are mechanisms for distributing Nix expressions alongside the associated binaries for them. Nix channels are automatically updated once a certain tests are passed in Nixpkgs' Hydra instance. | Nix ''channels'' are mechanisms for distributing Nix expressions alongside the associated binaries for them. Nix channels are automatically updated once a certain tests are passed in Nixpkgs' Hydra instance. | ||
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|+ Channel Types | |+ Channel Types | ||
|Stable Channels | |Stable Channels | ||
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| Identical to their normal namesakes, but containing fewer binaries. This means they update faster but require more to be built from source. | | Identical to their normal namesakes, but containing fewer binaries. This means they update faster but require more to be built from source. | ||
|} | |} | ||
== Internals == | == Internals == | ||