# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=65

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

**Page:** 66

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## [Implementing Node-RED in the IBM cloud](https://discourse.nodered.org/t/implementing-node-red-in-the-ibm-cloud/93810)

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**Author:** [@rajsiyer](https://discourse.nodered.org/u/rajsiyer)\
**Replies:** 6\
**Last updated:** [16 December 2024 13:24 UTC](https://discourse.nodered.org/t/implementing-node-red-in-the-ibm-cloud/93810 "2024-12-16T13:24:57Z")

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I am learning NodeRED by following Taiji Hagino's book "Practical Node-RED programming" and I wish to follow his instructions on Chapter 6 therein, about Implementing Node-RED in the cloud. Here as per his instructions, …

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## [Node-red-contrib-s7 with new logo 8.4](https://discourse.nodered.org/t/node-red-contrib-s7-with-new-logo-8-4/93933)

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**Author:** [@soerenbull](https://discourse.nodered.org/u/soerenbull)\
**Replies:** 0\
**Last updated:** [16 December 2024 12:11 UTC](https://discourse.nodered.org/t/node-red-contrib-s7-with-new-logo-8-4/93933 "2024-12-16T12:11:25Z")

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Hello. Have anybody got their node-red communication to work with the new Siemens logo 8.4 ? i have multiple setups running on the logo 8.3 controllers, with no problems - but i cant get data thourgh the new 8.4 contro…

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## [MQTT-IN not possible to extract only one value](https://discourse.nodered.org/t/mqtt-in-not-possible-to-extract-only-one-value/93931)

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**Author:** [@autonodered](https://discourse.nodered.org/u/autonodered)\
**Replies:** 3\
**Last updated:** [16 December 2024 11:36 UTC](https://discourse.nodered.org/t/mqtt-in-not-possible-to-extract-only-one-value/93931 "2024-12-16T11:36:48Z")

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hello, I want to extract from MQTT IN only one value, it returns me 14 values ​​in the debug of which 13 are undefined, my code does not work. Function code var B1 = msg.payload.z.B1; msg.payload = B1; return msg…

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## [Getting back a variable from contrib-oracledb-mod](https://discourse.nodered.org/t/getting-back-a-variable-from-contrib-oracledb-mod/93930)

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**Author:** [@omrid](https://discourse.nodered.org/u/omrid)\
**Replies:** 1\
**Last updated:** [16 December 2024 09:47 UTC](https://discourse.nodered.org/t/getting-back-a-variable-from-contrib-oracledb-mod/93930 "2024-12-16T09:47:30Z")

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Hi, I am using node-red-contrib-oracledb-mod and it works very well. In one of my use-cases, I insert to a table which auto-generates a transaction Id, and returns it into a variable which is then used in an additional…

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## [Node-red-contrib-postgresql and reactive data (LISTEN / NOTIFY)](https://discourse.nodered.org/t/node-red-contrib-postgresql-and-reactive-data-listen-notify/93914)

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**Author:** [@Cyprien](https://discourse.nodered.org/u/Cyprien)\
**Replies:** 3\
**Last updated:** [16 December 2024 08:53 UTC](https://discourse.nodered.org/t/node-red-contrib-postgresql-and-reactive-data-listen-notify/93914 "2024-12-16T08:53:24Z")

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My question is in the title :slight\_smile: Is it possible to use LISTEN / NOTIFY with the node node-red-contrib-postgresql (node) - Node-RED ? I've tried it but it does not work...

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## [ASP.Net Core SignalR](https://discourse.nodered.org/t/asp-net-core-signalr/93847)

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**Author:** [@imperium85](https://discourse.nodered.org/u/imperium85)\
**Replies:** 4\
**Last updated:** [16 December 2024 08:49 UTC](https://discourse.nodered.org/t/asp-net-core-signalr/93847 "2024-12-16T08:49:34Z")

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Hi Team, I use Webhook, on my development and going well. In the new system the event stream is using SignalR. I have no idea about it. I have a sample Java doe, that I want to implement in FlowFuse. Can somebody drive …

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## [Curl command works in Terminal but not in exec node](https://discourse.nodered.org/t/curl-command-works-in-terminal-but-not-in-exec-node/93756)

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**Author:** [@Jaddache](https://discourse.nodered.org/u/Jaddache)\
**Replies:** 17\
**Last updated:** [16 December 2024 08:18 UTC](https://discourse.nodered.org/t/curl-command-works-in-terminal-but-not-in-exec-node/93756 "2024-12-16T08:18:41Z")

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I am using node-red 4.0.5 with Node.js v20.18.1 I am using a curl command to interact with a Daikin airconditioner. The curl command is: curl --insecure -H "X-Daikin-uuid: xxxxxxxxxxxxxxxxxxxx" -v "https://192.168.11.…

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## [Generazione grafici tramite dati PLC S7](https://discourse.nodered.org/t/generazione-grafici-tramite-dati-plc-s7/93895)

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**Author:** [@Alessio](https://discourse.nodered.org/u/Alessio)\
**Replies:** 3\
**Last updated:** [16 December 2024 07:18 UTC](https://discourse.nodered.org/t/generazione-grafici-tramite-dati-plc-s7/93895 "2024-12-16T07:18:30Z")

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Buonasera a tutti, descrizione del seguente progetto in Node-RED: Dobbiamo far ciclare periodicamente ogni tot tempo le due dashboard in cui sono presenti 7 grafici l'uno, grafici che prendono i valori di velocità tram…

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## [Update NodeRed from 3.1.3 to 4.0 on a Raspberry Pi 4B using Debian version 11 (bullseye)](https://discourse.nodered.org/t/update-nodered-from-3-1-3-to-4-0-on-a-raspberry-pi-4b-using-debian-version-11-bullseye/92095)

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**Author:** [@nosered1966](https://discourse.nodered.org/u/nosered1966)\
**Replies:** 4\
**Last updated:** [1 October 2024 16:29 UTC](https://discourse.nodered.org/t/update-nodered-from-3-1-3-to-4-0-on-a-raspberry-pi-4b-using-debian-version-11-bullseye/92095 "2024-10-01T16:29:29Z")

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Hi, here https://nodered.org/docs/getting-started/local#upgrading-node-red it is stated that there are two methods to update depending on the way Node-Red was installed: using a pi script using global npm packge. H…

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## [MySql nodes compatible with node.js 20?](https://discourse.nodered.org/t/mysql-nodes-compatible-with-node-js-20/93910)

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**Author:** [@Mike-FUT](https://discourse.nodered.org/u/Mike-FUT)\
**Replies:** 11\
**Last updated:** [15 December 2024 20:25 UTC](https://discourse.nodered.org/t/mysql-nodes-compatible-with-node-js-20/93910 "2024-12-15T20:25:17Z")

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Hi All, I'd like to run select/insert/update MySQL queries via Node-RED. I'm using Node-RED 4.0.5 alsong with the recommended node.js version 20. I tried installing those packages: node-red-mysql-r2 node-red-node-my…

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## [Wifi Settings UI Dashboard for Bookworm nmcli](https://discourse.nodered.org/t/wifi-settings-ui-dashboard-for-bookworm-nmcli/93906)

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**Author:** [@Jurg1505](https://discourse.nodered.org/u/Jurg1505)\
**Replies:** 3\
**Last updated:** [15 December 2024 02:28 UTC](https://discourse.nodered.org/t/wifi-settings-ui-dashboard-for-bookworm-nmcli/93906 "2024-12-15T02:28:36Z")

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I want to use the Wifi settings UI Dashboard with Bookworm. Wifi settings UI Dashboard The outcome is the following; msg.payload : Object object ssid: "Test01" password: "1234" I have no idee how to make it ; nmcli …

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## [\[SOLVED\] "Failed to connect to http://localhost:1880" when running any "node-red admin" command for proxmox container](https://discourse.nodered.org/t/solved-failed-to-connect-to-http-localhost-1880-when-running-any-node-red-admin-command-for-proxmox-container/93899)

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**Author:** [@woody4165](https://discourse.nodered.org/u/woody4165)\
**Replies:** 4\
**Last updated:** [14 December 2024 16:13 UTC](https://discourse.nodered.org/t/solved-failed-to-connect-to-http-localhost-1880-when-running-any-node-red-admin-command-for-proxmox-container/93899 "2024-12-14T16:13:08Z")

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Hi all I'm trying to run "node-red admin login" in a Node-Red 4.0.5 installed in a privileged Proxmox container, but I always receive a "Failed to connect to http://localhost:1880" error Strangely, if I run "curl http:…

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## [Statetrail chart in uibuilder](https://discourse.nodered.org/t/statetrail-chart-in-uibuilder/93838)

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**Author:** [@smanjunath211](https://discourse.nodered.org/u/smanjunath211)\
**Replies:** 15\
**Last updated:** [13 December 2024 18:15 UTC](https://discourse.nodered.org/t/statetrail-chart-in-uibuilder/93838 "2024-12-13T18:15:55Z")

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The below animation is from DB1 using ui-statetrail Example Data\[{"id":"cfa20ab9553a7307","type":"inject","z":"7f8982c35e9b9f8c","name":"",…

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## [Raspberry Pi Zero W -- bookworm -- Node-Red 4.0 -- GPIO problem](https://discourse.nodered.org/t/raspberry-pi-zero-w-bookworm-node-red-4-0-gpio-problem/93781)

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**Author:** [@GeorgeX](https://discourse.nodered.org/u/GeorgeX)\
**Replies:** 9\
**Last updated:** [13 December 2024 18:05 UTC](https://discourse.nodered.org/t/raspberry-pi-zero-w-bookworm-node-red-4-0-gpio-problem/93781 "2024-12-13T18:05:38Z")

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Hi, i am running following system: Raspberry Pi Zero W, Rev 1.1, 1GHz, RAM 512MB ARMv6-compatible processor rev 7 (v6l) 32Bit Connected to the raspberry is a mix of wired and wireless sensors. The system is running fi…

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## [Efficient flow construction](https://discourse.nodered.org/t/efficient-flow-construction/93894)

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**Author:** [@Pratham](https://discourse.nodered.org/u/Pratham)\
**Replies:** 8\
**Last updated:** [13 December 2024 14:05 UTC](https://discourse.nodered.org/t/efficient-flow-construction/93894 "2024-12-13T14:05:16Z")

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Hi everyone , I am trying to work on a flow as attached below. It's a dummy flow that i have created without proper configuration but I guess its enough to put my requirement forward. As you can see, i find sum of …

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## [Buffer parser node drops all incoming data?](https://discourse.nodered.org/t/buffer-parser-node-drops-all-incoming-data/93892)

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**Author:** [@ThingsTinkerer](https://discourse.nodered.org/u/ThingsTinkerer)\
**Replies:** 13\
**Last updated:** [13 December 2024 12:10 UTC](https://discourse.nodered.org/t/buffer-parser-node-drops-all-incoming-data/93892 "2024-12-13T12:10:27Z")

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I send a message into buffer parser node. It sends one or more messages out. In the process, every data in the original msg is lost. I need some meta data for continuity purposes like timestamp etc. Nodes that discard al…

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## [Sending debug messages over a WebSocket connection](https://discourse.nodered.org/t/sending-debug-messages-over-a-websocket-connection/93884)

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**Author:** [@Jonathan](https://discourse.nodered.org/u/Jonathan)\
**Replies:** 7\
**Last updated:** [13 December 2024 10:34 UTC](https://discourse.nodered.org/t/sending-debug-messages-over-a-websocket-connection/93884 "2024-12-13T10:34:13Z")

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Is it possible to somehow add debug messages manually from outside Node-RED to the Debug side panel, where debug nodes also log their messages? I was trying to do something like this. function connectToNodeREDWebSocket(…

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## [Request for Investigation: TPS decrease with Node-RED HTTP GET Endpoint Vs Direct HTTP GET Endpoint (Created with Express server)](https://discourse.nodered.org/t/request-for-investigation-tps-decrease-with-node-red-http-get-endpoint-vs-direct-http-get-endpoint-created-with-express-server/93878)

<div class="topic-metadata">

**Author:** [@jaythakor-ai](https://discourse.nodered.org/u/jaythakor-ai)\
**Replies:** 18\
**Last updated:** [13 December 2024 09:55 UTC](https://discourse.nodered.org/t/request-for-investigation-tps-decrease-with-node-red-http-get-endpoint-vs-direct-http-get-endpoint-created-with-express-server/93878 "2024-12-13T09:55:08Z")

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It has been observed that the HTTP GET endpoint created using Node-RED is resulting in reduced transactions per second (TPS) compared to our direct HTTP GET endpoint. I suggest we investigate the potential causes for thi…

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## [Context file in node red docker](https://discourse.nodered.org/t/context-file-in-node-red-docker/93887)

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**Author:** [@martonpeter1](https://discourse.nodered.org/u/martonpeter1)\
**Replies:** 2\
**Last updated:** [12 December 2024 22:28 UTC](https://discourse.nodered.org/t/context-file-in-node-red-docker/93887 "2024-12-12T22:28:27Z")

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Hi, Im using Node Red in Docker in Raspberry Pi4. I changed settings.js to enable context storing in file, but even the node red failed to start. Portainer says: "/data/settings.js:341 default: "memoryOnly, ^^^^^^^^^^…

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## [Old version node-red-contrib-opcua vs new?](https://discourse.nodered.org/t/old-version-node-red-contrib-opcua-vs-new/93747)

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**Author:** [@Buzzylogic](https://discourse.nodered.org/u/Buzzylogic)\
**Replies:** 4\
**Last updated:** [12 December 2024 19:38 UTC](https://discourse.nodered.org/t/old-version-node-red-contrib-opcua-vs-new/93747 "2024-12-12T19:38:54Z")

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I have an old version of Node-red on a raspberry pi running this node, I had the microSD card fail, so I put the latest version of Node-Red/ node-red-contrib-opcua and it doesn't work. I ended up reinstalling from an old…

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## [Cron-plus not providing correct sunrise/set times in payload but correct time under the node](https://discourse.nodered.org/t/cron-plus-not-providing-correct-sunrise-set-times-in-payload-but-correct-time-under-the-node/93874)

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**Author:** [@zenofmud](https://discourse.nodered.org/u/zenofmud)\
**Replies:** 4\
**Last updated:** [12 December 2024 13:27 UTC](https://discourse.nodered.org/t/cron-plus-not-providing-correct-sunrise-set-times-in-payload-but-correct-time-under-the-node/93874 "2024-12-12T13:27:29Z")

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Node-RED v 4.0.5 - cron-plus v2.1.0 MacOS Sequoia v15.1.1 I'm trying to get sunrise and sunset times using latitude/longitude settings in the settings location. While the sunrise time is correct in the display under th…

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## [Robust handling of missing messages with retry](https://discourse.nodered.org/t/robust-handling-of-missing-messages-with-retry/93871)

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**Author:** [@ThingsTinkerer](https://discourse.nodered.org/u/ThingsTinkerer)\
**Replies:** 2\
**Last updated:** [12 December 2024 11:18 UTC](https://discourse.nodered.org/t/robust-handling-of-missing-messages-with-retry/93871 "2024-12-12T11:18:09Z")

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I don't have a lot experience with Modbus, so bear with me. When using modbus flex-getter, if anything fails, the message disappears - no output. And yes, I have enabled warning and error checkboxes to no avail. Not sur…

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## [Does anyone know a contrib-node that tracks Daylight Savings Dates?](https://discourse.nodered.org/t/does-anyone-know-a-contrib-node-that-tracks-daylight-savings-dates/93839)

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**Author:** [@craigcurtin](https://discourse.nodered.org/u/craigcurtin)\
**Replies:** 7\
**Last updated:** [12 December 2024 10:15 UTC](https://discourse.nodered.org/t/does-anyone-know-a-contrib-node-that-tracks-daylight-savings-dates/93839 "2024-12-12T10:15:31Z")

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Guys, I have to do some time/date manipulation and want to make it more robust. DST dates do not change often but it does happen. Does anyone know of a contrib node that can be used to pass a trigger to and it will giv…

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## [Anyone have experience with Node-RED Smart Home Control with Home Assistant?](https://discourse.nodered.org/t/anyone-have-experience-with-node-red-smart-home-control-with-home-assistant/93855)

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**Author:** [@Node11](https://discourse.nodered.org/u/Node11)\
**Replies:** 1\
**Last updated:** [11 December 2024 22:20 UTC](https://discourse.nodered.org/t/anyone-have-experience-with-node-red-smart-home-control-with-home-assistant/93855 "2024-12-11T22:20:29Z")

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While there are several different ways to have Alexa control basic devices within Home Assistant (such as lights,) but I'm not really seeing a lot out there to have more control over TV's (Samsung) and Pioneer Receivers …

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## [Cex.io websocket help needed :)](https://discourse.nodered.org/t/cex-io-websocket-help-needed/93863)

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**Author:** [@dcigir](https://discourse.nodered.org/u/dcigir)\
**Replies:** 3\
**Last updated:** [11 December 2024 18:20 UTC](https://discourse.nodered.org/t/cex-io-websocket-help-needed/93863 "2024-12-11T18:20:31Z")

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Can someone help me how to create websocket connection with my broker with node-red (in HASSIO)? I have tried to read guide from -cex.io, but I'm lost cex.io api documentation What I have done so far is connection to …

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## [The script part of the HTML statement in the template component, how to reference the data from the previous node](https://discourse.nodered.org/t/the-script-part-of-the-html-statement-in-the-template-component-how-to-reference-the-data-from-the-previous-node/93848)

<div class="topic-metadata">

**Author:** [@uuuape](https://discourse.nodered.org/u/uuuape)\
**Replies:** 12\
**Last updated:** [11 December 2024 11:42 UTC](https://discourse.nodered.org/t/the-script-part-of-the-html-statement-in-the-template-component-how-to-reference-the-data-from-the-previous-node/93848 "2024-12-11T11:42:40Z")

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Hello, I built a template component and wrote the HTML content for generating the table, but in the script section, I couldn't reference the data from the previous node. Once I add a reference, the HTML page has no conte…

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## [How acces flow.set(), flow.get() with var in json](https://discourse.nodered.org/t/how-acces-flow-set-flow-get-with-var-in-json/93837)

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**Author:** [@sylvain](https://discourse.nodered.org/u/sylvain)\
**Replies:** 2\
**Last updated:** [11 December 2024 09:55 UTC](https://discourse.nodered.org/t/how-acces-flow-set-flow-get-with-var-in-json/93837 "2024-12-11T09:55:06Z")

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Hi, I am problem with var flow.set() and flow.get() example of code: var tmp ={'start':0,'open':0,'close':0}; flow.set('X1\_1',tmp); flow.set('X2\_2',tmp); when I want to write in the variable with flow.set('X1\_1.open…

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## [Deploy too long in a Raspberry device](https://discourse.nodered.org/t/deploy-too-long-in-a-raspberry-device/93798)

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**Author:** [@bobfield](https://discourse.nodered.org/u/bobfield)\
**Replies:** 15\
**Last updated:** [11 December 2024 08:25 UTC](https://discourse.nodered.org/t/deploy-too-long-in-a-raspberry-device/93798 "2024-12-11T08:25:36Z")

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Hi Dears, I have a node-red application running successfully on a Raspbian in a Raspberry PI 4. The problem is that when I make any change to a flow or subflow it takes a long time to complete the deployment (15 minutes…

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## [Switch node not capturing text](https://discourse.nodered.org/t/switch-node-not-capturing-text/93812)

<div class="topic-metadata">

**Author:** [@jmorris644](https://discourse.nodered.org/u/jmorris644)\
**Replies:** 11\
**Last updated:** [10 December 2024 21:57 UTC](https://discourse.nodered.org/t/switch-node-not-capturing-text/93812 "2024-12-10T21:57:21Z")

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I am trying to utilize a switch node to eliminate messages that contain a certain text. In this case the text "cmnd". The debug output displayed is coming from the 2nd output of the switch command. What am I missing? …

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## [Problem using node-red-contrib-opcua](https://discourse.nodered.org/t/problem-using-node-red-contrib-opcua/93460)

<div class="topic-metadata">

**Author:** [@gfattal](https://discourse.nodered.org/u/gfattal)\
**Replies:** 4\
**Last updated:** [10 December 2024 20:28 UTC](https://discourse.nodered.org/t/problem-using-node-red-contrib-opcua/93460 "2024-12-10T20:28:29Z")

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Hello I am very new user of node-red. I am trying to experiment with it. I want to read from an OPC UA server, I used Siemens S7-1200 PLC as an OPC Server. I connected the PLC with a Raspberry Pi on an Ethernet network w…

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