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---
title: npm-rebuild
section: 1
description: Rebuild a package
---
### Synopsis
<!-- AUTOGENERATED USAGE DESCRIPTIONS START -->
<!-- automatically generated, do not edit manually -->
<!-- see lib/commands/rebuild.js -->
```bash
npm rebuild [<package-spec>] ...]
alias: rb
```
<!-- automatically generated, do not edit manually -->
<!-- see lib/commands/rebuild.js -->
<!-- AUTOGENERATED USAGE DESCRIPTIONS END -->
### Description
This command runs the `npm build` command on the matched folders. This is
useful when you install a new version of node, and must recompile all your
C++ addons with the new binary. It is also useful when installing with
`--ignore-scripts` and `--no-bin-links`, to explicitly choose which
packages to build and/or link bins.
If one or more package specs are provided, then only packages with a
name and version matching one of the specifiers will be rebuilt.
### Configuration
<!-- AUTOGENERATED CONFIG DESCRIPTIONS START -->
<!-- automatically generated, do not edit manually -->
<!-- see lib/utils/config/definitions.js -->
#### `global`
* Default: false
* Type: Boolean
Operates in "global" mode, so that packages are installed into the `prefix`
folder instead of the current working directory. See
[folders](/configuring-npm/folders) for more on the differences in behavior.
* packages are installed into the `{prefix}/lib/node_modules` folder, instead
of the current working directory.
* bin files are linked to `{prefix}/bin`
* man pages are linked to `{prefix}/share/man`
<!-- automatically generated, do not edit manually -->
<!-- see lib/utils/config/definitions.js -->
#### `bin-links`
* Default: true
* Type: Boolean
Tells npm to create symlinks (or `.cmd` shims on Windows) for package
executables.
Set to false to have it not do this. This can be used to work around the
fact that some file systems don't support symlinks, even on ostensibly Unix
systems.
<!-- automatically generated, do not edit manually -->
<!-- see lib/utils/config/definitions.js -->
#### `foreground-scripts`
* Default: false
* Type: Boolean
Run all build scripts (ie, `preinstall`, `install`, and `postinstall`)
scripts for installed packages in the foreground process, sharing standard
input, output, and error with the main npm process.
Note that this will generally make installs run slower, and be much noisier,
but can be useful for debugging.
<!-- automatically generated, do not edit manually -->
<!-- see lib/utils/config/definitions.js -->
#### `ignore-scripts`
* Default: false
* Type: Boolean
If true, npm does not run scripts specified in package.json files.
Note that commands explicitly intended to run a particular script, such as
`npm start`, `npm stop`, `npm restart`, `npm test`, and `npm run-script`
will still run their intended script if `ignore-scripts` is set, but they
will *not* run any pre- or post-scripts.
<!-- automatically generated, do not edit manually -->
<!-- see lib/utils/config/definitions.js -->
#### `workspace`
* Default:
* Type: String (can be set multiple times)
Enable running a command in the context of the configured workspaces of the
current project while filtering by running only the workspaces defined by
this configuration option.
Valid values for the `workspace` config are either:
* Workspace names
* Path to a workspace directory
* Path to a parent workspace directory (will result in selecting all
workspaces within that folder)
When set for the `npm init` command, this may be set to the folder of a
workspace which does not yet exist, to create the folder and set it up as a
brand new workspace within the project.
This value is not exported to the environment for child processes.
<!-- automatically generated, do not edit manually -->
<!-- see lib/utils/config/definitions.js -->
#### `workspaces`
* Default: null
* Type: null or Boolean
Set to true to run the command in the context of **all** configured
workspaces.
Explicitly setting this to false will cause commands like `install` to
ignore workspaces altogether. When not set explicitly:
- Commands that operate on the `node_modules` tree (install, update, etc.)
will link workspaces into the `node_modules` folder. - Commands that do
other things (test, exec, publish, etc.) will operate on the root project,
_unless_ one or more workspaces are specified in the `workspace` config.
This value is not exported to the environment for child processes.
<!-- automatically generated, do not edit manually -->
<!-- see lib/utils/config/definitions.js -->
#### `include-workspace-root`
* Default: false
* Type: Boolean
Include the workspace root when workspaces are enabled for a command.
When false, specifying individual workspaces via the `workspace` config, or
all workspaces via the `workspaces` flag, will cause npm to operate only on
the specified workspaces, and not on the root project.
This value is not exported to the environment for child processes.
<!-- automatically generated, do not edit manually -->
<!-- see lib/utils/config/definitions.js -->
#### `install-links`
* Default: false
* Type: Boolean
When set file: protocol dependencies that exist outside of the project root
will be packed and installed as regular dependencies instead of creating a
symlink. This option has no effect on workspaces.
<!-- automatically generated, do not edit manually -->
<!-- see lib/utils/config/definitions.js -->
<!-- AUTOGENERATED CONFIG DESCRIPTIONS END -->
### See Also
* [package spec](/using-npm/package-spec)
* [npm install](/commands/npm-install)
|
