# Setting up the mosquitto password file

**URL:** <https://discourse.nodered.org/t/setting-up-the-mosquitto-password-file/86812>\
**Category:** General\
**Created:** [27 March 2024 18:21 UTC](https://discourse.nodered.org/t/setting-up-the-mosquitto-password-file/86812 "2024-03-27T18:21:12Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![badflash](https://avatars.discourse-cdn.com/v4/letter/b/d6d6ee/32.png) [@badflash](https://discourse.nodered.org/u/badflash)\
**Post date:** [27 March 2024 18:21 UTC](https://discourse.nodered.org/t/setting-up-the-mosquitto-password-file/86812/1 "2024-03-27T18:21:12Z")

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I'm running into some weird stuff. I am following a tutorial on setting up mosquitto here:  
[https://www.youtube.com/watch?v=72u6gIkeqUc](https://www.youtube.com/watch?v=72u6gIkeqUc)

But I get this weird error when I try to set up the password. Any ideas?

 ![image](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/3X/a/3/a3638d07096af999a887d02c42f0bee48287a767.png)

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**Author:** ![UnborN](https://avatars.discourse-cdn.com/v4/letter/u/4491bb/32.png) [@UnborN](https://discourse.nodered.org/u/UnborN)\
**Post date:** [27 March 2024 19:20 UTC](https://discourse.nodered.org/t/setting-up-the-mosquitto-password-file/86812/2 "2024-03-27T19:20:31Z")

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`mosquitto_passwd -U password.txt`  
-U should be capital ([source](https://mosquitto.org/man/mosquitto_passwd-1.html))

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**Author:** ![badflash](https://avatars.discourse-cdn.com/v4/letter/b/d6d6ee/32.png) [@badflash](https://discourse.nodered.org/u/badflash)\
**Post date:** [27 March 2024 21:13 UTC](https://discourse.nodered.org/t/setting-up-the-mosquitto-password-file/86812/3 "2024-03-27T21:13:49Z")

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That did something, but I still can't get it working. I'll try uninstalling and starting over.

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**Author:** ![system](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/1X/d073cd938eafa2e558d7c2cd59003b3ef4963033.png) [@system](https://discourse.nodered.org/u/system)\
**Post date:** [25 June 2024 21:13 UTC](https://discourse.nodered.org/t/setting-up-the-mosquitto-password-file/86812/4 "2024-06-25T21:13:59Z")

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