# General **URL:** https://discourse.nodered.org/c/general/7.md?page=800 [Latest](https://discourse.nodered.org/latest.md) · [Categories](https://discourse.nodered.org/categories.md) · [Tags](https://discourse.nodered.org/tags.md) **Page:** 801 --- ## [UDP to UDP Between x 2 Docker containers. Msg.topic missing](https://discourse.nodered.org/t/udp-to-udp-between-x-2-docker-containers-msg-topic-missing/21150)
**Author:** [@IoTPlay](https://discourse.nodered.org/u/IoTPlay)\ **Replies:** 12\ **Last updated:** [2 February 2020 10:57 UTC](https://discourse.nodered.org/t/udp-to-udp-between-x-2-docker-containers-msg-topic-missing/21150 "2020-02-02T10:57:12Z")
Hi, I got above working, it’s gr8! But... it only receives msg.payload, and not msg.topic as well of the msg object. Any change this can be done for UDP send and receive? --- ## [Install / Run Zwave in Node Red Docker Image (on RPi)](https://discourse.nodered.org/t/install-run-zwave-in-node-red-docker-image-on-rpi/13467)
**Author:** [@Qaldak](https://discourse.nodered.org/u/Qaldak)\ **Replies:** 15\ **Last updated:** [2 February 2020 10:21 UTC](https://discourse.nodered.org/t/install-run-zwave-in-node-red-docker-image-on-rpi/13467 "2020-02-02T10:21:13Z")
Hi all I try to implement Node-Red for my home automatisation. Node-Red runs in Docker on my Raspberry Pi. This works without any problems. But I need Zwave for my Fibaro Motion Sensors. And I can not install node-re… --- ## [Node-RED Education](https://discourse.nodered.org/t/node-red-education/21060)
**Author:** [@stbluesrul](https://discourse.nodered.org/u/stbluesrul)\ **Replies:** 6\ **Last updated:** [1 February 2020 23:44 UTC](https://discourse.nodered.org/t/node-red-education/21060 "2020-02-01T23:44:01Z")
Does anyone know of an education/learning platform built around Node-RED? I'm looking for something geared to the 8th grade level. --- ## [Cast : failed to install](https://discourse.nodered.org/t/cast-failed-to-install/21148)
**Author:** [@DidierWindey](https://discourse.nodered.org/u/DidierWindey)\ **Replies:** 5\ **Last updated:** [1 February 2020 21:37 UTC](https://discourse.nodered.org/t/cast-failed-to-install/21148 "2020-02-01T21:37:51Z")
I am trying to install node-red-contrib-cast, but I get the message 'failed to install'. Nodered is running on a Raspberry pi 2. So far I had no problems with other installs. I did already run an update and upgrade. A… --- ## [HTTP Post with Parameter and Body](https://discourse.nodered.org/t/http-post-with-parameter-and-body/21132)
**Author:** [@E\_T](https://discourse.nodered.org/u/E_T)\ **Replies:** 5\ **Last updated:** [1 February 2020 18:27 UTC](https://discourse.nodered.org/t/http-post-with-parameter-and-body/21132 "2020-02-01T18:27:44Z")
Hello, i have a problem to do a HTTP Post in Node Red. I tested the HTTP Post with the porgramm Postman: Server: https://arche.webuntis.com/WebUntis/jsonrpc.do Parameter school=EBG so Postman shows :https://arche.w… --- ## [HTTP Post reply 400](https://discourse.nodered.org/t/http-post-reply-400/21101)
**Author:** [@khfischbach](https://discourse.nodered.org/u/khfischbach)\ **Replies:** 2\ **Last updated:** [1 February 2020 17:29 UTC](https://discourse.nodered.org/t/http-post-reply-400/21101 "2020-02-01T17:29:08Z")
Hi, I am trying to create a HTTP Post but I always get a reply "400 Bad Request: No Host Header". I guess I know what it means, but I don't know how to overcome. I have a inject and a function: msg.payload = 'id=625&s… --- ## [HTTP Head Request](https://discourse.nodered.org/t/http-head-request/21136)
**Author:** [@Tscherno](https://discourse.nodered.org/u/Tscherno)\ **Replies:** 4\ **Last updated:** [1 February 2020 16:24 UTC](https://discourse.nodered.org/t/http-head-request/21136 "2020-02-01T16:24:28Z")
Hi, is there a way to do just a HTTP HEAD request? I want to check if a specific download was updated, but i don't want to download the whole file. --- ## [Bad idea to use function node instead of separate flow nodes?](https://discourse.nodered.org/t/bad-idea-to-use-function-node-instead-of-separate-flow-nodes/21058)
**Author:** [@dnoha](https://discourse.nodered.org/u/dnoha)\ **Replies:** 9\ **Last updated:** [1 February 2020 15:36 UTC](https://discourse.nodered.org/t/bad-idea-to-use-function-node-instead-of-separate-flow-nodes/21058 "2020-02-01T15:36:28Z")
I have sonoff RF receiver which I have take payload and put it to separate switch nodes. Then, there was too many switch nodes, and I try to replace them with only one function node, containting all 'translations' of in… --- ## [Override a flow](https://discourse.nodered.org/t/override-a-flow/21138)
**Author:** [@behtjes](https://discourse.nodered.org/u/behtjes)\ **Replies:** 3\ **Last updated:** [1 February 2020 14:32 UTC](https://discourse.nodered.org/t/override-a-flow/21138 "2020-02-01T14:32:40Z")
I'm new to node-red. I'm trying to create a flow where my hue sensor activates a scene, and after x seconds it reverts back to the previous state. But now every message gets through the whole flow. So every time the moti… --- ## [Websocket node customization](https://discourse.nodered.org/t/websocket-node-customization/21130)
**Author:** [@Iliyas](https://discourse.nodered.org/u/Iliyas)\ **Replies:** 1\ **Last updated:** [1 February 2020 11:33 UTC](https://discourse.nodered.org/t/websocket-node-customization/21130 "2020-02-01T11:33:29Z")
Hello, I'm want to give websocket url dynamically to websocket node, i need to customize websocket node. How can I customize the node regarding to this, please help me out --- ## [Json array filtering](https://discourse.nodered.org/t/json-array-filtering/21127)
**Author:** [@redlop](https://discourse.nodered.org/u/redlop)\ **Replies:** 6\ **Last updated:** [1 February 2020 10:43 UTC](https://discourse.nodered.org/t/json-array-filtering/21127 "2020-02-01T10:43:13Z")
Is there a way to filter a Json array that contains the scanned wifi networks on an area based on their ssid? Because right now every network in the area displays on the ui. I only need the networks with the specific cha… --- ## [Node-red-contrib-modbus Version 5.2.0 vs V4.1.3](https://discourse.nodered.org/t/node-red-contrib-modbus-version-5-2-0-vs-v4-1-3/19428)
**Author:** [@JoseGodinho](https://discourse.nodered.org/u/JoseGodinho)\ **Replies:** 6\ **Last updated:** [1 February 2020 07:17 UTC](https://discourse.nodered.org/t/node-red-contrib-modbus-version-5-2-0-vs-v4-1-3/19428 "2020-02-01T07:17:39Z")
Hello All I have two node red instances, after upgrading the modbus node to the latest version, i got the this error "FSM Reset On State {"value":"failed","actions":,"changed":true}" albeit with the same configuration… --- ## [NPM Issues after Beacon Scanner Installed](https://discourse.nodered.org/t/npm-issues-after-beacon-scanner-installed/20891)
**Author:** [@314PITester](https://discourse.nodered.org/u/314PITester)\ **Replies:** 20\ **Last updated:** [31 January 2020 23:06 UTC](https://discourse.nodered.org/t/npm-issues-after-beacon-scanner-installed/20891 "2020-01-31T23:06:57Z")
Hey guys, Been using Raspberry PIs for various stuff for a while but I have current project I'm working on for around the house. I've been working on some IBeacon stuff using Beacon Scanner node. During my testing I f… --- ## [Http request node :Err\_tls\_cert\_altname\_invalid](https://discourse.nodered.org/t/http-request-node-err-tls-cert-altname-invalid/21049)
**Author:** [@JohnMM](https://discourse.nodered.org/u/JohnMM)\ **Replies:** 7\ **Last updated:** [31 January 2020 23:06 UTC](https://discourse.nodered.org/t/http-request-node-err-tls-cert-altname-invalid/21049 "2020-01-31T23:06:40Z")
I've been using mqtt and Node RED to update my weather station data to Weather Underground. It was working well until yesterday when I started getting the following error from the http request node: "Error \[ERR\_TLS\_CER… --- ## [Set RGB Color using MQTT](https://discourse.nodered.org/t/set-rgb-color-using-mqtt/21061)
**Author:** [@gavraq](https://discourse.nodered.org/u/gavraq)\ **Replies:** 4\ **Last updated:** [31 January 2020 22:43 UTC](https://discourse.nodered.org/t/set-rgb-color-using-mqtt/21061 "2020-01-31T22:43:22Z")
I am trying to set a color for a RGB light using MQTT. I know that I need to use the cmnd/Topic/Color command but I cant seem to get the message formatting correct. Here is my current flow You can see that the message… --- ## [Problem with Node-red node-red-contrib-azure-sql node](https://discourse.nodered.org/t/problem-with-node-red-node-red-contrib-azure-sql-node/17248)
**Author:** [@bertg](https://discourse.nodered.org/u/bertg)\ **Replies:** 5\ **Last updated:** [31 January 2020 22:15 UTC](https://discourse.nodered.org/t/problem-with-node-red-node-red-contrib-azure-sql-node/17248 "2020-01-31T22:15:06Z")
Hello, I've been using the node-red-contrib-azure-sql to send data from my node-red flow to my Azure SQL database, for a while now without any problem. But this morning, POUFF ! Every flow that uses this node stopped w… --- ## [Azure SQL: what node to use?](https://discourse.nodered.org/t/azure-sql-what-node-to-use/21119)
**Author:** [@bence](https://discourse.nodered.org/u/bence)\ **Replies:** 0\ **Last updated:** [31 January 2020 22:10 UTC](https://discourse.nodered.org/t/azure-sql-what-node-to-use/21119 "2020-01-31T22:10:21Z")
Hi, anyone succeded in connecting to Azure SQL database and inserting/selecting data? I tried two nodes, but I run into problems with both. The situation: I want to insert tons of data with INSERT command, so I call sq… --- ## [Intra-Docker (ea with NR) Container Communication - sending msg.objects to one another](https://discourse.nodered.org/t/intra-docker-ea-with-nr-container-communication-sending-msg-objects-to-one-another/20930)
**Author:** [@IoTPlay](https://discourse.nodered.org/u/IoTPlay)\ **Replies:** 2\ **Last updated:** [31 January 2020 18:55 UTC](https://discourse.nodered.org/t/intra-docker-ea-with-nr-container-communication-sending-msg-objects-to-one-another/20930 "2020-01-31T18:55:52Z")
Hi, I would like to modularise my Node-RED applications - as each are on a separate upgrade path. I would like to have several Node-RED Docker Containers, on the same host, all containers running Node-RED with their ow… --- ## [Get HTTP Request to ignore the first search bar?](https://discourse.nodered.org/t/get-http-request-to-ignore-the-first-search-bar/21054)
**Author:** [@Guydelombard](https://discourse.nodered.org/u/Guydelombard)\ **Replies:** 7\ **Last updated:** [31 January 2020 18:46 UTC](https://discourse.nodered.org/t/get-http-request-to-ignore-the-first-search-bar/21054 "2020-01-31T18:46:18Z")
Hi everyone! I've searched all over the forum here but I have not found exactly what I'm looking for. I'm hoping you all might be able to shed some light on this. Basically I'm setting up an HTTP reuqest node to send a U… --- ## [Docker Pi permissions docker-compose](https://discourse.nodered.org/t/docker-pi-permissions-docker-compose/21103)
**Author:** [@edtwodth](https://discourse.nodered.org/u/edtwodth)\ **Replies:** 0\ **Last updated:** [31 January 2020 15:27 UTC](https://discourse.nodered.org/t/docker-pi-permissions-docker-compose/21103 "2020-01-31T15:27:27Z")
Hi when i run docker-compose i get error saying ELIFECYCLE permissions denied nodered: container\_name: nodered image: nodered/node-red:latest restart: always network\_mode: host environment: … --- ## [Asterisk AGI connection](https://discourse.nodered.org/t/asterisk-agi-connection/21042)
**Author:** [@RogierQ](https://discourse.nodered.org/u/RogierQ)\ **Replies:** 5\ **Last updated:** [31 January 2020 15:40 UTC](https://discourse.nodered.org/t/asterisk-agi-connection/21042 "2020-01-31T15:40:22Z")
Hi! I am trying to connect the agi fucntion with asterisk Did setup the /etc/asterisk/extension.conf with and without s after extensions and set the ip of the pi with NR in the file with correct port and extension bu… --- ## [Node-Red IR Receiver on Raspberry Pi 3](https://discourse.nodered.org/t/node-red-ir-receiver-on-raspberry-pi-3/20691)
**Author:** [@emerichrv](https://discourse.nodered.org/u/emerichrv)\ **Replies:** 12\ **Last updated:** [31 January 2020 15:14 UTC](https://discourse.nodered.org/t/node-red-ir-receiver-on-raspberry-pi-3/20691 "2020-01-31T15:14:51Z")
Hello, I'm trying to make a node-red program wich switch a raspberry pi GPIO when a defined ir code is received. It's really easy to switch GPIO with the RPI GPIO OUT node, but how can I receive IR codes ? Best Regard… --- ## [Node-red-contrib-ssdp-discover causes cyclic restarts](https://discourse.nodered.org/t/node-red-contrib-ssdp-discover-causes-cyclic-restarts/21099)
**Author:** [@mike.gofton](https://discourse.nodered.org/u/mike.gofton)\ **Replies:** 1\ **Last updated:** [31 January 2020 14:54 UTC](https://discourse.nodered.org/t/node-red-contrib-ssdp-discover-causes-cyclic-restarts/21099 "2020-01-31T14:54:40Z")
Hi, Just a heads up that installing node-red-contrib-ssdp-discover results in cyclic restarts. I'm running node.js v11.15.0 - not sure if this contributed to the problem. I resolved the restarts with node-red-stop and… --- ## [Node-red startup issue](https://discourse.nodered.org/t/node-red-startup-issue/21067)
**Author:** [@hoolahoous](https://discourse.nodered.org/u/hoolahoous)\ **Replies:** 2\ **Last updated:** [31 January 2020 14:21 UTC](https://discourse.nodered.org/t/node-red-startup-issue/21067 "2020-01-31T14:21:00Z")
I have a strange issue. I have node-red 1.0.3. I also set it up to start on boot. when my computer reboots, node-red starts but none of my flows load up (In web UI, it shows like a fresh install with no flows). However… --- ## [Instragram monitoring](https://discourse.nodered.org/t/instragram-monitoring/21070)
**Author:** [@voodoo](https://discourse.nodered.org/u/voodoo)\ **Replies:** 2\ **Last updated:** [31 January 2020 12:19 UTC](https://discourse.nodered.org/t/instragram-monitoring/21070 "2020-01-31T12:19:27Z")
Greetings one and all - and old newbie here. Looking at Node-Red as a way of monitoring Instagram for any mentions of someones name. So someone mentions a specific username or keyword , I'd like NR to captcha it and sto… --- ## [New bathroom ideas](https://discourse.nodered.org/t/new-bathroom-ideas/19980)
**Author:** [@gavraq](https://discourse.nodered.org/u/gavraq)\ **Replies:** 105\ **Last updated:** [31 January 2020 11:27 UTC](https://discourse.nodered.org/t/new-bathroom-ideas/19980 "2020-01-31T11:27:21Z")
I am about to embark on a full renovation of a bathroom, which will entail stripping back to expose everything down to the wiring, plumbing etc. With that in mind I would be interested in hearing from the community on w… --- ## [BLE detector error](https://discourse.nodered.org/t/ble-detector-error/20982)
**Author:** [@Panos](https://discourse.nodered.org/u/Panos)\ **Replies:** 6\ **Last updated:** [31 January 2020 07:29 UTC](https://discourse.nodered.org/t/ble-detector-error/20982 "2020-01-31T07:29:00Z")
I have a problem to find a BLE scan node and the general nodes I downloaded are not working for me... I have a Chipolo BLE tag (the one to find your keys using your phone bluetooth) that I want to track from a raspberry… --- ## [Are the pitft nodes dead?](https://discourse.nodered.org/t/are-the-pitft-nodes-dead/2406)
**Author:** [@gpriestland](https://discourse.nodered.org/u/gpriestland)\ **Replies:** 5\ **Last updated:** [31 January 2020 07:11 UTC](https://discourse.nodered.org/t/are-the-pitft-nodes-dead/2406 "2020-01-31T07:11:41Z")
Having recently acquired a pi with the Adafruit pitft board, I was going to have a play with the node-red-contrib-pitft and node-red-contrib-pitft-touch. However I can't get a successful install for either of them. I n… --- ## [Sunrise / sunset times with night day output node](https://discourse.nodered.org/t/sunrise-sunset-times-with-night-day-output-node/21023)
**Author:** [@gerry](https://discourse.nodered.org/u/gerry)\ **Replies:** 11\ **Last updated:** [31 January 2020 05:03 UTC](https://discourse.nodered.org/t/sunrise-sunset-times-with-night-day-output-node/21023 "2020-01-31T05:03:00Z")
I'm looking for a node that will give me the sunrise and sunset times for a day plus an output that just says night or day. I've looked at sunevents, bigtimer, sunrise nodes and they will all calculate the times or outpu… --- ## [Error: Unexpected socket close using node-red-node-email](https://discourse.nodered.org/t/error-unexpected-socket-close-using-node-red-node-email/17804)
**Author:** [@rollischulze67](https://discourse.nodered.org/u/rollischulze67)\ **Replies:** 1\ **Last updated:** [31 January 2020 03:31 UTC](https://discourse.nodered.org/t/error-unexpected-socket-close-using-node-red-node-email/17804 "2020-01-31T03:31:39Z")
I get "Error: Unexpected socket close" when using the email send node in the node-red-node-email package. I tried different email-adresses (web.de and yahoo.com) with POP3 and IMAP. Node subtitle in Node RED says "sendin… [Previous page](https://discourse.nodered.org/c/general/7.md?page=799) [Next page](https://discourse.nodered.org/c/general/7.md?page=801)