# Node red multiple instances

**URL:** <https://discourse.nodered.org/t/node-red-multiple-instances/9787>\
**Category:** Core Development\
**Created:** [5 April 2019 06:09 UTC](https://discourse.nodered.org/t/node-red-multiple-instances/9787 "2019-04-05T06:09:51Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![knolleary](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/knolleary/32/3_2.png) [@knolleary](https://discourse.nodered.org/u/knolleary)\
**Post date:** [5 April 2019 07:43 UTC](https://discourse.nodered.org/t/node-red-multiple-instances/9787/2 "2019-04-05T07:43:48Z")

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When you start Node-RED you can use the command-line arguments to point at a different settings file and userDirectory for each instance. Each setting file can specify a different port and flow file name.

[https://nodered.org/docs/getting-started/running#command-line-usage](https://nodered.org/docs/getting-started/running#command-line-usage)

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