# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=87

[Latest](https://discourse.nodered.org/latest.md) · [Categories](https://discourse.nodered.org/categories.md) · [Tags](https://discourse.nodered.org/tags.md)

**Page:** 88

---

## [Install Node-Red](https://discourse.nodered.org/t/install-node-red/90270)

<div class="topic-metadata">

**Author:** [@maxmueller50](https://discourse.nodered.org/u/maxmueller50)\
**Replies:** 81\
**Last updated:** [26 August 2024 14:34 UTC](https://discourse.nodered.org/t/install-node-red/90270 "2024-08-26T14:34:29Z")

</div>

Hi I'm trying to install Node-Red on a RPi 2 B V1.1 / OS 32.bit Debian Bookworm nodejs is v22.6.0 npm is 10.8.2 by install nodered - I get the message: some packages could not be installed ... request an impossible…

---

## [Convert number to array of numbers](https://discourse.nodered.org/t/convert-number-to-array-of-numbers/90571)

<div class="topic-metadata">

**Author:** [@eerke2021](https://discourse.nodered.org/u/eerke2021)\
**Replies:** 3\
**Last updated:** [31 August 2024 05:57 UTC](https://discourse.nodered.org/t/convert-number-to-array-of-numbers/90571 "2024-08-31T05:57:38Z")

</div>

Hi, I currently have a msg.payload that is a number, for example 51.571372, which is a latitude from a GNSS device (GPS and Glonass etc), which jumps around a lot, being to 6 decimal places, the last of which is less tha…

---

## [The Forum Top Ten!](https://discourse.nodered.org/t/the-forum-top-ten/90566)

<div class="topic-metadata">

**Author:** [@Paul-Reed](https://discourse.nodered.org/u/Paul-Reed)\
**Replies:** 16\
**Last updated:** [30 August 2024 21:20 UTC](https://discourse.nodered.org/t/the-forum-top-ten/90566 "2024-08-30T21:20:52Z")

</div>

Whilst I enjoyed some late summer UK sunshine this evening, I entered a search criteria in the forum to identify which posts received the most appreciation from other forum members. This contains data from all of the 41…

---

## [Login failed even if](https://discourse.nodered.org/t/login-failed-even-if/90559)

<div class="topic-metadata">

**Author:** [@marke](https://discourse.nodered.org/u/marke)\
**Replies:** 11\
**Last updated:** [30 August 2024 20:18 UTC](https://discourse.nodered.org/t/login-failed-even-if/90559 "2024-08-30T20:18:50Z")

</div>

Hi to all I'm running NODE RED on Raspberry PI5 Bookworm. Following the "securing nodered" instruction I have createted an hash password and edited settings.js Whe I try to access node-red editor login windows appears …

---

## [Http request node; Send payload as part of the request body when using GET in subflow](https://discourse.nodered.org/t/http-request-node-send-payload-as-part-of-the-request-body-when-using-get-in-subflow/90569)

<div class="topic-metadata">

**Author:** [@HarryPottar](https://discourse.nodered.org/u/HarryPottar)\
**Replies:** 5\
**Last updated:** [30 August 2024 20:05 UTC](https://discourse.nodered.org/t/http-request-node-send-payload-as-part-of-the-request-body-when-using-get-in-subflow/90569 "2024-08-30T20:05:15Z")

</div>

Hello, Depending on what I need from the endpoint I'm calling, I need to be able to send the payload as the request body using both GET & POST. I'm creating a query to OpenSearch, sending the payload using a GET method…

---

## [Splitting an object with variable keys](https://discourse.nodered.org/t/splitting-an-object-with-variable-keys/90567)

<div class="topic-metadata">

**Author:** [@PAHVelthuis](https://discourse.nodered.org/u/PAHVelthuis)\
**Replies:** 4\
**Last updated:** [30 August 2024 18:34 UTC](https://discourse.nodered.org/t/splitting-an-object-with-variable-keys/90567 "2024-08-30T18:34:54Z")

</div>

Hi, I am a noob and trying to solve the following problem. I have a node which outputs an object with 2 keys, I would like to extract the values of these keys and save them for further processing. I know you can direc…

---

## [Questions about the EXEC node](https://discourse.nodered.org/t/questions-about-the-exec-node/90558)

<div class="topic-metadata">

**Author:** [@nearbyatom](https://discourse.nodered.org/u/nearbyatom)\
**Replies:** 5\
**Last updated:** [30 August 2024 15:14 UTC](https://discourse.nodered.org/t/questions-about-the-exec-node/90558 "2024-08-30T15:14:58Z")

</div>

I have this exec block that executes when I press the inject button There this process ID that pops up. Is there a way to pull that off and put it onto a payload so I can do stuff with it? Another question: Same ex…

---

## [Separate instances for each subflow node](https://discourse.nodered.org/t/separate-instances-for-each-subflow-node/90520)

<div class="topic-metadata">

**Author:** [@mr-jaffery](https://discourse.nodered.org/u/mr-jaffery)\
**Replies:** 3\
**Last updated:** [30 August 2024 10:37 UTC](https://discourse.nodered.org/t/separate-instances-for-each-subflow-node/90520 "2024-08-30T10:37:32Z")

</div>

I have created a subflow which receives some value as input. I store those values using a function in a flow variable which is then used in other nodes within the same subflow to cater my functionality. Now the problem a…

---

## [Error initializing emulator: ~ is already in use](https://discourse.nodered.org/t/error-initializing-emulator-is-already-in-use/90540)

<div class="topic-metadata">

**Author:** [@nearbyatom](https://discourse.nodered.org/u/nearbyatom)\
**Replies:** 0\
**Last updated:** [29 August 2024 18:29 UTC](https://discourse.nodered.org/t/error-initializing-emulator-is-already-in-use/90540 "2024-08-29T18:29:35Z")

</div>

I'm trying to run an execute script to program a board. It programs over USB. I have an inject for green led and an inject for red led. When node-red first opens up, the script will successfully load the red program. …

---

## [Waveshare modbus rtu relay-input read input](https://discourse.nodered.org/t/waveshare-modbus-rtu-relay-input-read-input/90539)

<div class="topic-metadata">

**Author:** [@RogierQ](https://discourse.nodered.org/u/RogierQ)\
**Replies:** 0\
**Last updated:** [29 August 2024 17:34 UTC](https://discourse.nodered.org/t/waveshare-modbus-rtu-relay-input-read-input/90539 "2024-08-29T17:34:59Z")

</div>

I connected a waveshare 8 ch output and 8 channel input to the rs485 port of my rpi200 I can control a relay with the modbus write with true / false But I mostly got it to get inputs Tried the flex connector and othe…

---

## [How to make WebSocket authentication?](https://discourse.nodered.org/t/how-to-make-websocket-authentication/90529)

<div class="topic-metadata">

**Author:** [@tahasamy](https://discourse.nodered.org/u/tahasamy)\
**Replies:** 1\
**Last updated:** [29 August 2024 15:57 UTC](https://discourse.nodered.org/t/how-to-make-websocket-authentication/90529 "2024-08-29T15:57:22Z")

</div>

How to make WebSocket authentication? I want to implement authentication in WebSocket, but there is no way to disconnect unauthorized users—anyone can connect to the WebSocket. I need a node that can verify the headers …

---

## [How do I filter a status?](https://discourse.nodered.org/t/how-do-i-filter-a-status/90533)

<div class="topic-metadata">

**Author:** [@nicolab74](https://discourse.nodered.org/u/nicolab74)\
**Replies:** 5\
**Last updated:** [29 August 2024 13:39 UTC](https://discourse.nodered.org/t/how-do-i-filter-a-status/90533 "2024-08-29T13:39:39Z")

</div>

hello, i'm use Node Red for Home Assistant. i need to filtrate a status becaus i can't use ZONE for geolocalize user. I use Geocoede location by iphone but i have status with adress e not "home" or "not\_home" How do …

---

## [Some CSS help needed please](https://discourse.nodered.org/t/some-css-help-needed-please/90510)

<div class="topic-metadata">

**Author:** [@Colin](https://discourse.nodered.org/u/Colin)\
**Replies:** 12\
**Last updated:** [29 August 2024 12:33 UTC](https://discourse.nodered.org/t/some-css-help-needed-please/90510 "2024-08-29T12:33:32Z")

</div>

I thought I vaguely understood how CSS works, but I seem to be missing something. I have the following html \<div id="nrdb-ui-widget-5c62f5086884aedd" class="nrdb-ui-widget nrdb-ui-gauge-classic hide-needle-2" style…

---

## [Dashboard is empty on a secure machine/network (but full on my own machine/network))](https://discourse.nodered.org/t/dashboard-is-empty-on-a-secure-machine-network-but-full-on-my-own-machine-network/90238)

<div class="topic-metadata">

**Author:** [@mathisfchx](https://discourse.nodered.org/u/mathisfchx)\
**Replies:** 4\
**Last updated:** [29 August 2024 12:32 UTC](https://discourse.nodered.org/t/dashboard-is-empty-on-a-secure-machine-network-but-full-on-my-own-machine-network/90238 "2024-08-29T12:32:59Z")

</div>

Hello, I have a problem with the deployment/display of a dashboard on a machine within a network with very high security rules. On my personal network, the dashboard (which I created with uibuilder) displays correctly: …

---

## [Specific timestamp from Node-Red to InfluxDB shell version 1.8.10](https://discourse.nodered.org/t/specific-timestamp-from-node-red-to-influxdb-shell-version-1-8-10/90501)

<div class="topic-metadata">

**Author:** [@King-of-Noobs](https://discourse.nodered.org/u/King-of-Noobs)\
**Replies:** 4\
**Last updated:** [29 August 2024 08:20 UTC](https://discourse.nodered.org/t/specific-timestamp-from-node-red-to-influxdb-shell-version-1-8-10/90501 "2024-08-29T08:20:50Z")

</div>

Hi community, my first time in the forum since so far I was able to help myself (also thanks to the forum) but my current task is kind of challenging. The basic idea is kind of simple and I will explain on a minimum exa…

---

## [Problem with Tuya device](https://discourse.nodered.org/t/problem-with-tuya-device/90502)

<div class="topic-metadata">

**Author:** [@golfy44](https://discourse.nodered.org/u/golfy44)\
**Replies:** 1\
**Last updated:** [29 August 2024 07:22 UTC](https://discourse.nodered.org/t/problem-with-tuya-device/90502 "2024-08-29T07:22:19Z")

</div>

Hello, I have 3 Tuya energy meters that works fine for 6 months with the node : tuya-smart-device. A few days ago, one of them disconnected. I don't know why but on the tuya platform, the device permission was modifie…

---

## [Dynamically Passing JSON Input to Node-RED World Map](https://discourse.nodered.org/t/dynamically-passing-json-input-to-node-red-world-map/90512)

<div class="topic-metadata">

**Author:** [@DhamodharanGopal](https://discourse.nodered.org/u/DhamodharanGopal)\
**Replies:** 2\
**Last updated:** [28 August 2024 18:53 UTC](https://discourse.nodered.org/t/dynamically-passing-json-input-to-node-red-world-map/90512 "2024-08-28T18:53:17Z")

</div>

Hello everyone, I'm currently working on a project where I need to dynamically pass JSON input to the Node-RED World Map node. The JSON data includes various geographic coordinates and metadata that should be visual…

---

## [Running loadti from node red](https://discourse.nodered.org/t/running-loadti-from-node-red/90509)

<div class="topic-metadata">

**Author:** [@nearbyatom](https://discourse.nodered.org/u/nearbyatom)\
**Replies:** 1\
**Last updated:** [28 August 2024 16:26 UTC](https://discourse.nodered.org/t/running-loadti-from-node-red/90509 "2024-08-28T16:26:39Z")

</div>

I have a basic flow here. I press the inject, and it supposed to execute loadti. It works from my command prompt. But from node red, I get this: It says loadti is not recognized, how do I get node red to recognize…

---

## [Stupid CSS Question](https://discourse.nodered.org/t/stupid-css-question/90488)

<div class="topic-metadata">

**Author:** [@kpmn819](https://discourse.nodered.org/u/kpmn819)\
**Replies:** 2\
**Last updated:** [28 August 2024 00:11 UTC](https://discourse.nodered.org/t/stupid-css-question/90488 "2024-08-28T00:11:43Z")

</div>

I'm trying to do something that is vexing me. I have a text field that I am feeding a very long string to and I want it to word-wrap. So far I have tried putting this in a ui-template node. .word-wrap { color:…

---

## [Custom syntax highlight](https://discourse.nodered.org/t/custom-syntax-highlight/90497)

<div class="topic-metadata">

**Author:** [@s1nbad](https://discourse.nodered.org/u/s1nbad)\
**Replies:** 0\
**Last updated:** [28 August 2024 04:23 UTC](https://discourse.nodered.org/t/custom-syntax-highlight/90497 "2024-08-28T04:23:31Z")

</div>

With NodeRed 4 now available is there any way to ammend / create a custom syntax highlight.within a fubction node. In particular something that constantly catches me out - using an assignment (=) in an if statement

---

## [How to get the msg.properties.path value](https://discourse.nodered.org/t/how-to-get-the-msg-properties-path-value/90494)

<div class="topic-metadata">

**Author:** [@tcsjohnson](https://discourse.nodered.org/u/tcsjohnson)\
**Replies:** 3\
**Last updated:** [28 August 2024 01:18 UTC](https://discourse.nodered.org/t/how-to-get-the-msg-properties-path-value/90494 "2024-08-28T01:18:26Z")

</div>

how to use the function node to get the value of the msg.properties.path. i try this \[ 'L1', 'Lighting', payload\["/Favorites/L1\_KW/Total\_kW"\]\], but fail. Thank you

---

## [Unable to install Node Red on Raspberry pi](https://discourse.nodered.org/t/unable-to-install-node-red-on-raspberry-pi/90479)

<div class="topic-metadata">

**Author:** [@ghocev1](https://discourse.nodered.org/u/ghocev1)\
**Replies:** 4\
**Last updated:** [27 August 2024 19:50 UTC](https://discourse.nodered.org/t/unable-to-install-node-red-on-raspberry-pi/90479 "2024-08-27T19:50:01Z")

</div>

I can not install Node Red on Raspbery pi. Can anyone help me to solve this problem I already upgrade system with sudo apt update && sudo apt full-upgrade and it didnt work. I am using Edge Box RPI-200 Raspberry Pi…

---

## [Extracting Audio from Stream](https://discourse.nodered.org/t/extracting-audio-from-stream/90492)

<div class="topic-metadata">

**Author:** [@Harvey-Mushman](https://discourse.nodered.org/u/Harvey-Mushman)\
**Replies:** 0\
**Last updated:** [27 August 2024 20:14 UTC](https://discourse.nodered.org/t/extracting-audio-from-stream/90492 "2024-08-27T20:14:46Z")

</div>

I have a Hikvision IP camera that I and trying to build into a custom intercom. I started with bartbutenaers/node-red-rtsp-to-mjpeg node and have managed to get the video stream to play in the Dashboard. But this is wh…

---

## [First integration experience between Django and Node-RED](https://discourse.nodered.org/t/first-integration-experience-between-django-and-node-red/90453)

<div class="topic-metadata">

**Author:** [@tahasamy](https://discourse.nodered.org/u/tahasamy)\
**Replies:** 10\
**Last updated:** [27 August 2024 19:05 UTC](https://discourse.nodered.org/t/first-integration-experience-between-django-and-node-red/90453 "2024-08-27T19:05:05Z")

</div>

I am preparing an integration tool to connect Django with Node-RED, which will allow for significant flexibility in granting permissions and access rights for users to control devices, check their statuses, and track act…

---

## [Credentials security vulnerability](https://discourse.nodered.org/t/credentials-security-vulnerability/90484)

<div class="topic-metadata">

**Author:** [@ThingsTinkerer](https://discourse.nodered.org/u/ThingsTinkerer)\
**Replies:** 23\
**Last updated:** [27 August 2024 17:26 UTC](https://discourse.nodered.org/t/credentials-security-vulnerability/90484 "2024-08-27T17:26:23Z")

</div>

Node red can encrypt some values to flows\_cred.json. Can set password in settings.js to have this encrypted, basically having its own key vault. However, I find some vulnerabilities with this approach. Main issue is sec…

---

## [Secure Node-Red with IIS Reverse Proxy](https://discourse.nodered.org/t/secure-node-red-with-iis-reverse-proxy/90480)

<div class="topic-metadata">

**Author:** [@Markus\_M](https://discourse.nodered.org/u/Markus_M)\
**Replies:** 0\
**Last updated:** [27 August 2024 11:34 UTC](https://discourse.nodered.org/t/secure-node-red-with-iis-reverse-proxy/90480 "2024-08-27T11:34:09Z")

</div>

Hello, my Node-Red is installed on a Windows Server 2022. To secure the node-red editor an IIS Reverse Proxy with Windows-Authentication (Negotiate) was installed. The IIS application pool was configured with an service…

---

## [Seeking Help with Challenges in Visualizing Massive Data](https://discourse.nodered.org/t/seeking-help-with-challenges-in-visualizing-massive-data/90328)

<div class="topic-metadata">

**Author:** [@YanWen37](https://discourse.nodered.org/u/YanWen37)\
**Replies:** 17\
**Last updated:** [27 August 2024 12:32 UTC](https://discourse.nodered.org/t/seeking-help-with-challenges-in-visualizing-massive-data/90328 "2024-08-27T12:32:32Z")

</div>

Hello, Everyone Due to project requirements, I need to create multiple line charts on the dashboard to display the values returned by approximately 1500 sensors in real-time. Undoubtedly, such a large amount of data wil…

---

## [Q about Node-red in project mode, dependencies in package.json, project dependencies](https://discourse.nodered.org/t/q-about-node-red-in-project-mode-dependencies-in-package-json-project-dependencies/90077)

<div class="topic-metadata">

**Author:** [@JoW](https://discourse.nodered.org/u/JoW)\
**Replies:** 1\
**Last updated:** [27 August 2024 12:25 UTC](https://discourse.nodered.org/t/q-about-node-red-in-project-mode-dependencies-in-package-json-project-dependencies/90077 "2024-08-27T12:25:56Z")

</div>

We're using node-red in projectmode running on docker servers . We use different instances, all with different installed node dependencies. I would like to include project dependencies in our repositories. I thought I…

---

## [Using GitHub to track changes produced in flows is not helpful](https://discourse.nodered.org/t/using-github-to-track-changes-produced-in-flows-is-not-helpful/90399)

<div class="topic-metadata">

**Author:** [@UmbraLimi](https://discourse.nodered.org/u/UmbraLimi)\
**Replies:** 2\
**Last updated:** [27 August 2024 10:42 UTC](https://discourse.nodered.org/t/using-github-to-track-changes-produced-in-flows-is-not-helpful/90399 "2024-08-27T10:42:05Z")

</div>

Hello! I want to be able to track changes to individual nodes using git. However, I did not want to set up Node-Red Projects (access to settings is restricted). So at present, I am exporting all the nodes in a tab, nam…

---

## [Testing a array of objects of ones and zeros to see if there are state changes from 0 -1](https://discourse.nodered.org/t/testing-a-array-of-objects-of-ones-and-zeros-to-see-if-there-are-state-changes-from-0-1/90474)

<div class="topic-metadata">

**Author:** [@psychoLK](https://discourse.nodered.org/u/psychoLK)\
**Replies:** 3\
**Last updated:** [27 August 2024 09:36 UTC](https://discourse.nodered.org/t/testing-a-array-of-objects-of-ones-and-zeros-to-see-if-there-are-state-changes-from-0-1/90474 "2024-08-27T09:36:28Z")

</div>

I am trying to make a array of Alarm status. I have IOT devices putting 1 or 0 to array indexes based on the alarm status. I want to check whether the arrray indexes changed from 0 -1 and write that data to a sql or some…

[Previous page](https://discourse.nodered.org/c/general/7.md?page=86)

[Next page](https://discourse.nodered.org/c/general/7.md?page=88)