# set

## Description

* Set the local platform configuration values stored in the `~/.ern/.ernrc` file  

## Syntax

`ern platform config set <key> <value>`

**Arguments**

`<key>`

* The key of the configuration element to set

`<value>`

* If specified, will set the config value associated to this key.&#x20;

**Configurable properties**

* `logLevel` \[trace|debug|info|error|fatal]\
  Set the log level to use for all commands.\
  **default** : info
* `showBanner` \[boolean]\
  Show the Electrode Native ASCII banner for all commands.\
  **default** : true
* `tmp-dir`\
  Temporary directory to use during commands execution.\
  **default** : system default
* `retain-tmp-dir` \[boolean]\
  If set to `true`, the temporary directories created during some commands execution, won't be destroyed after the command execution.\
  **default** : false
* `codePushAccessKey` \[string]\
  Code push access key associated with your account
* `codePushCustomServerUrl` \[string]\
  CodePush custom server url, in case you are not using the Microsoft CodePush server.
* `codePushProxy` CodePush proxy server url.
* `codePushCustomHeaders` CodePush custom extra http headers.
* `max-package-cache-size` \[number] The maximum disk space to use for the package cache, in Bytes.\
  Only apply if the package cache is enabled (`package-cache-enabled` configuration key set to `true`). **default** : 2GB
* `package-cache-enabled` \[boolean] Indicates whether the package cache should be enabled.\
  Enabling the package cache will lead to faster Containers generation, given that all packages versions used for a Container generation, will be retrieved from the cache if available rather than being downloaded upon every generation. **default** : true
* `ignore-required-ern-version` \[boolean] Indicates whether any Cauldron ern version requirement should be ignored. This is mostly used for Electrode Native development and should not be set to true otherwise. **default** : false

## Remarks

* In case a value already exists in the configuration for a given key, this command will not fail and will overwrite the existing value.