selenium-standalone/docs/issuer-cerificate.md

installs a `selenium-standalone` command line to install and start a standalone selenium server

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- [`Error: unable to get local issuer certificate`](#error-unable-to-get-local-issuer-certificate)

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### `Error: unable to get local issuer certificate`

This error might happen when you are behind a specific proxy. Then you need to set some environement variables:

```sh
NODE_TLS_REJECT_UNAUTHORIZED=0 selenium-standalone install`
NODE_TLS_REJECT_UNAUTHORIZED=0 selenium-standalone start
```

On Windows:

```setx NODE_TLS_REJECT_UNAUTHORIZED 0```