# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=428

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

**Page:** 429

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## [Node Red running on AWS, no web socket connections](https://discourse.nodered.org/t/node-red-running-on-aws-no-web-socket-connections/57738)

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**Author:** [@eamonn.sullivan](https://discourse.nodered.org/u/eamonn.sullivan)\
**Replies:** 1\
**Last updated:** [3 February 2022 18:52 UTC](https://discourse.nodered.org/t/node-red-running-on-aws-no-web-socket-connections/57738 "2022-02-03T18:52:21Z")

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I've managed to get a basic Node Red service (v2.2) running on an AWS EC2. It works -- as in I can create, deploy and use flows. However, there's a constant warning at the top: "Lost connection to the server. reconnectin…

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## [Sending Modbus Data to MSSQL](https://discourse.nodered.org/t/sending-modbus-data-to-mssql/57671)

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**Author:** [@joannesskib](https://discourse.nodered.org/u/joannesskib)\
**Replies:** 2\
**Last updated:** [3 February 2022 18:37 UTC](https://discourse.nodered.org/t/sending-modbus-data-to-mssql/57671 "2022-02-03T18:37:14Z")

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Im trying to send modbus data to MSQL Server, but i dont know where to start. I am inserting query by using insert. But i think i need some function to send modbus data, i just dont know what. Picture below for flow.

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## [Raspi OS 64bit install](https://discourse.nodered.org/t/raspi-os-64bit-install/57730)

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**Author:** [@alexander77](https://discourse.nodered.org/u/alexander77)\
**Replies:** 12\
**Last updated:** [3 February 2022 18:17 UTC](https://discourse.nodered.org/t/raspi-os-64bit-install/57730 "2022-02-03T18:17:53Z")

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I just downloaded the brand new 64bit Image for the Raspberry Pi. Node red is not on board. So i tried the bash ... command described on the website. My raspi is now for longer than 90 min busy with the install, curren…

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## [Format output of array with carriage returns](https://discourse.nodered.org/t/format-output-of-array-with-carriage-returns/57726)

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**Author:** [@slurpey](https://discourse.nodered.org/u/slurpey)\
**Replies:** 3\
**Last updated:** [3 February 2022 17:46 UTC](https://discourse.nodered.org/t/format-output-of-array-with-carriage-returns/57726 "2022-02-03T17:46:42Z")

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Hi, I've been banging my head on this without much success. The output of my payload will be sent to whatsapp. But it lists everything with a comma and I'd like a carriage return. \[{"id":"c2ca69f3dbe80770","type":"…

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## [Sending notifications from NR (again)](https://discourse.nodered.org/t/sending-notifications-from-nr-again/57623)

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**Author:** [@bartoszek](https://discourse.nodered.org/u/bartoszek)\
**Replies:** 5\
**Last updated:** [3 February 2022 17:14 UTC](https://discourse.nodered.org/t/sending-notifications-from-nr-again/57623 "2022-02-03T17:14:24Z")

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Hi guys! I live in a strange place in the world, where whenever something is going on (IDK, a windy day or something, or the sun is shining too much xD) the first thing that goes down is my ISP :smiley: and then other s…

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## [Moving file only when finished](https://discourse.nodered.org/t/moving-file-only-when-finished/57667)

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**Author:** [@Broewn4PS](https://discourse.nodered.org/u/Broewn4PS)\
**Replies:** 25\
**Last updated:** [3 February 2022 16:25 UTC](https://discourse.nodered.org/t/moving-file-only-when-finished/57667 "2022-02-03T16:25:55Z")

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I have a network folder linked to a FTP server. Files are being dropped in here from another service. These files can get pretty big. I have node-red watching this folder and with a 5 seconds interval it checks the folde…

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## [Can we use node red for performance testing](https://discourse.nodered.org/t/can-we-use-node-red-for-performance-testing/57702)

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**Author:** [@Shiny](https://discourse.nodered.org/u/Shiny)\
**Replies:** 16\
**Last updated:** [3 February 2022 15:48 UTC](https://discourse.nodered.org/t/can-we-use-node-red-for-performance-testing/57702 "2022-02-03T15:48:56Z")

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I have a flow which send MQTT payload to GCP IoT core. I need to run performance testing. So wanted to check on the feasibility on how many maximum flows can node-red support.(I need 30,000 flows) My plan is to duplicat…

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## [Time Check From 2 csv files](https://discourse.nodered.org/t/time-check-from-2-csv-files/57115)

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**Author:** [@mikey](https://discourse.nodered.org/u/mikey)\
**Replies:** 72\
**Last updated:** [3 February 2022 15:31 UTC](https://discourse.nodered.org/t/time-check-from-2-csv-files/57115 "2022-02-03T15:31:32Z")

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maybe ive just been at it too long but i got to playing with this dosing system havent dialed it in so dont mind the delay intervals cant figure out how to make it check the time coming in from time.csv and grogreen.csv …

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## [Format variable with string + variable in change node](https://discourse.nodered.org/t/format-variable-with-string-variable-in-change-node/57724)

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**Author:** [@rhjensen79](https://discourse.nodered.org/u/rhjensen79)\
**Replies:** 9\
**Last updated:** [3 February 2022 15:24 UTC](https://discourse.nodered.org/t/format-variable-with-string-variable-in-change-node/57724 "2022-02-03T15:24:23Z")

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Hi. In a function node, i can create : msg.payload.accessToken = "Bearer "+ msg.payload.accessToken; when i wan't to combine a string + variable. But is there a way to do the same in a change node. There seams to be…

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## [Trying to create Angular Form inside UI template](https://discourse.nodered.org/t/trying-to-create-angular-form-inside-ui-template/57717)

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**Author:** [@Sulomus](https://discourse.nodered.org/u/Sulomus)\
**Replies:** 1\
**Last updated:** [3 February 2022 14:40 UTC](https://discourse.nodered.org/t/trying-to-create-angular-form-inside-ui-template/57717 "2022-02-03T14:40:26Z")

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Hello everyone! I am trying to use the ui\_template to use reactive Angular form. My goal for now is to have 2 required inputs and disable / enable button depending on if they are filled. I managed to make togeth…

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## [Systemctl & PM2 for NR](https://discourse.nodered.org/t/systemctl-pm2-for-nr/57696)

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**Author:** [@alex88](https://discourse.nodered.org/u/alex88)\
**Replies:** 6\
**Last updated:** [3 February 2022 12:10 UTC](https://discourse.nodered.org/t/systemctl-pm2-for-nr/57696 "2022-02-03T12:10:29Z")

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Hi All, I have globally installed a single instance of node-red on a Deb 11 box. My setup has grown organically, as follows: I have one environment running via systemctl - port 1880 I have two further environments ru…

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## [Trying to get Alexa to read out a temperature](https://discourse.nodered.org/t/trying-to-get-alexa-to-read-out-a-temperature/56974)

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**Author:** [@Surefire01](https://discourse.nodered.org/u/Surefire01)\
**Replies:** 41\
**Last updated:** [28 January 2022 10:43 UTC](https://discourse.nodered.org/t/trying-to-get-alexa-to-read-out-a-temperature/56974 "2022-01-28T10:43:55Z")

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Gentlemen I have a Sonoff TH16 in my living room with a temperature sensor delivering its Celsius values into a Node Red flow. This is then displayed in a dashboard widget. The next step is that I would like my Alexa de…

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## [How to add a License to main.json](https://discourse.nodered.org/t/how-to-add-a-license-to-main-json/57713)

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**Author:** [@gromain](https://discourse.nodered.org/u/gromain)\
**Replies:** 1\
**Last updated:** [3 February 2022 11:36 UTC](https://discourse.nodered.org/t/how-to-add-a-license-to-main-json/57713 "2022-02-03T11:36:14Z")

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Hello, I'm working on a project using Node-Red as a base. The code is published under a GPLv3 license and I was wondering if there was a way to show this in Node-Red. I understand that Node-Red is licensed under the Ap…

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## [Delaying a process question](https://discourse.nodered.org/t/delaying-a-process-question/57530)

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**Author:** [@subwayfootlong](https://discourse.nodered.org/u/subwayfootlong)\
**Replies:** 37\
**Last updated:** [3 February 2022 11:25 UTC](https://discourse.nodered.org/t/delaying-a-process-question/57530 "2022-02-03T11:25:42Z")

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Hi all trying to reproduce this. Not really sure how to do it since node-red is flow based and i cant really delay the whole of node-red or the inject node. The delay is supposed to delay the whole process I think i…

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## [Websocket.org is down](https://discourse.nodered.org/t/websocket-org-is-down/57628)

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**Author:** [@rozek](https://discourse.nodered.org/u/rozek)\
**Replies:** 1\
**Last updated:** [3 February 2022 11:06 UTC](https://discourse.nodered.org/t/websocket-org-is-down/57628 "2022-02-03T11:06:48Z")

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Websocket tutorials (incl. those for Node-RED \[1\]) often used "wss://echo.websocket.org" as an endpoint in order to demonstrate a simple client-server connection. However, websocket.org has been shut down in 2021 \[2\]. A…

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## [Get Attributes of a given entity](https://discourse.nodered.org/t/get-attributes-of-a-given-entity/57395)

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**Author:** [@graphicsxp](https://discourse.nodered.org/u/graphicsxp)\
**Replies:** 29\
**Last updated:** [3 February 2022 10:13 UTC](https://discourse.nodered.org/t/get-attributes-of-a-given-entity/57395 "2022-02-03T10:13:09Z")

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I have a Motion sensor device which includes two separate sensors : a light intensity sensor with the following attributes a motion sensor I have created a flow which turns on a light when motion is detected. Now,…

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## [Install and run PiGPIOd daemon on Docker image](https://discourse.nodered.org/t/install-and-run-pigpiod-daemon-on-docker-image/57690)

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**Author:** [@Peerke](https://discourse.nodered.org/u/Peerke)\
**Replies:** 3\
**Last updated:** [3 February 2022 09:43 UTC](https://discourse.nodered.org/t/install-and-run-pigpiod-daemon-on-docker-image/57690 "2022-02-03T09:43:05Z")

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I am running Node-Red in a Docker image on a Pi within home assistant. Trying to get the GPIO to work and found some documentation https://nodered.org/docs/getting-started/docker#quick-migration-steps-to-node-red-node-p…

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## [Is it possible to "speak" to Google Home?](https://discourse.nodered.org/t/is-it-possible-to-speak-to-google-home/57668)

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**Author:** [@Jleagle](https://discourse.nodered.org/u/Jleagle)\
**Replies:** 4\
**Last updated:** [3 February 2022 07:51 UTC](https://discourse.nodered.org/t/is-it-possible-to-speak-to-google-home/57668 "2022-02-03T07:51:46Z")

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I was hoping to be able to send messages to my physical Google Home, like "What's the weather?" or "Tell me a joke" and the response come out of the Google Home as if I spoke it. But after looking around i can't see such…

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## [How to disable the 'Welcome' sequence?](https://discourse.nodered.org/t/how-to-disable-the-welcome-sequence/57701)

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**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\
**Replies:** 1\
**Last updated:** [3 February 2022 06:29 UTC](https://discourse.nodered.org/t/how-to-disable-the-welcome-sequence/57701 "2022-02-03T06:29:42Z")

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How to disable the 'Welcome' sequence? On a fresh NR installation, that is.

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## [Running Node-RED as a service, under a different user, on boot, on a server](https://discourse.nodered.org/t/running-node-red-as-a-service-under-a-different-user-on-boot-on-a-server/57625)

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**Author:** [@kitwar](https://discourse.nodered.org/u/kitwar)\
**Replies:** 8\
**Last updated:** [2 February 2022 20:18 UTC](https://discourse.nodered.org/t/running-node-red-as-a-service-under-a-different-user-on-boot-on-a-server/57625 "2022-02-02T20:18:18Z")

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Hello! For a very long time I kept having random hardfreezing, sometimes while I sleep, sometimes while I'm working, sometimes at login, sometimes it's up for days. I used different linux distros, debian and arch, I re…

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## [A counter for counting payload](https://discourse.nodered.org/t/a-counter-for-counting-payload/57674)

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**Author:** [@maliheh.amirfakhry](https://discourse.nodered.org/u/maliheh.amirfakhry)\
**Replies:** 4\
**Last updated:** [2 February 2022 18:55 UTC](https://discourse.nodered.org/t/a-counter-for-counting-payload/57674 "2022-02-02T18:55:29Z")

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Hi guys, I'm looking for a counter to count the payload numbers ( how many times the payload is sent to debug). Can you please let me know if there is any ready node for this purpose? Thank you

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## [Insert variable inside a json array](https://discourse.nodered.org/t/insert-variable-inside-a-json-array/57643)

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**Author:** [@pablogomez](https://discourse.nodered.org/u/pablogomez)\
**Replies:** 8\
**Last updated:** [2 February 2022 18:10 UTC](https://discourse.nodered.org/t/insert-variable-inside-a-json-array/57643 "2022-02-02T18:10:51Z")

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Hi, I have this json: { "transition": "5", "brightness": "100", "hs\_color": \[ \<HERE\>, 100 \] } What I want is to replace \<HERE\> with a number that comes from msg.payload and it has to be …

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## [MySql Node "Error: Pool Is closed"](https://discourse.nodered.org/t/mysql-node-error-pool-is-closed/56556)

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**Author:** [@saxenaramesh](https://discourse.nodered.org/u/saxenaramesh)\
**Replies:** 13\
**Last updated:** [2 February 2022 17:52 UTC](https://discourse.nodered.org/t/mysql-node-error-pool-is-closed/56556 "2022-02-02T17:52:02Z")

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Dear Friends, Believe me, I have done extensive search for this issue on node-red forum and other possible sites suggested by google. Somehow, I am not able to fix it. I am using mysql node quite frequently. For one of…

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## [Help with a bar graph](https://discourse.nodered.org/t/help-with-a-bar-graph/57431)

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**Author:** [@joe7](https://discourse.nodered.org/u/joe7)\
**Replies:** 3\
**Last updated:** [2 February 2022 17:42 UTC](https://discourse.nodered.org/t/help-with-a-bar-graph/57431 "2022-02-02T17:42:36Z")

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Is it possible to make a graph like this, if so, how. I've been looking for a week on how to do it.

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## [Port Forwarding Issue connecting from outside my network](https://discourse.nodered.org/t/port-forwarding-issue-connecting-from-outside-my-network/57620)

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**Author:** [@jstocks](https://discourse.nodered.org/u/jstocks)\
**Replies:** 3\
**Last updated:** [2 February 2022 15:30 UTC](https://discourse.nodered.org/t/port-forwarding-issue-connecting-from-outside-my-network/57620 "2022-02-02T15:30:23Z")

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Relatively new to RPi and new to Node Red. I have my Node RED set up on my Pi with HTTPS enabled, and I'm able to launch the Chromium browser and see the environment / dashboard. I'm also able to launch the dashboard o…

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## [How to disconnect a websocket programmatically?](https://discourse.nodered.org/t/how-to-disconnect-a-websocket-programmatically/57637)

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**Author:** [@rozek](https://discourse.nodered.org/u/rozek)\
**Replies:** 5\
**Last updated:** [2 February 2022 15:20 UTC](https://discourse.nodered.org/t/how-to-disconnect-a-websocket-programmatically/57637 "2022-02-02T15:20:48Z")

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Well, normally, one wants a "websocket out" node to connect to a server in order to send a message and a "websocket in" node to connect as well in order to receive the response. But, how can one programmatically shut d…

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## [Question in debuging a flow - How to stopp node RED in a certain condition?](https://discourse.nodered.org/t/question-in-debuging-a-flow-how-to-stopp-node-red-in-a-certain-condition/57648)

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**Author:** [@lostbits](https://discourse.nodered.org/u/lostbits)\
**Replies:** 1\
**Last updated:** [2 February 2022 14:22 UTC](https://discourse.nodered.org/t/question-in-debuging-a-flow-how-to-stopp-node-red-in-a-certain-condition/57648 "2022-02-02T14:22:31Z")

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Hi, I have some strange effects in my flow (multiple feedback loops) and i cant find out where the message came from, since there are by far too many messages around and the wrong message content happens one of 1000 mes…

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## [Strange issue with reading files cyclic from a local drive on windows \[Error: EBUSY: resource busy or locked, lstat 'C:\\hiberfil.sys'\] maybe \[red\] Uncaught Exception:](https://discourse.nodered.org/t/strange-issue-with-reading-files-cyclic-from-a-local-drive-on-windows-error-ebusy-resource-busy-or-locked-lstat-c-hiberfil-sys-maybe-red-uncaught-exception/55336)

<div class="topic-metadata">

**Author:** [@lostbits](https://discourse.nodered.org/u/lostbits)\
**Replies:** 9\
**Last updated:** [2 February 2022 14:17 UTC](https://discourse.nodered.org/t/strange-issue-with-reading-files-cyclic-from-a-local-drive-on-windows-error-ebusy-resource-busy-or-locked-lstat-c-hiberfil-sys-maybe-red-uncaught-exception/55336 "2022-02-02T14:17:11Z")

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Hi, I have a strange behavior by my flow ... I ingest by timer a message. This will be added with a starting dir and pattern and forwarded to a watcher node. After some time (hours till days) the node red stops wit…

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## [Multidroping on Modbus RTU node](https://discourse.nodered.org/t/multidroping-on-modbus-rtu-node/57618)

<div class="topic-metadata">

**Author:** [@DSongra11\_forum.com](https://discourse.nodered.org/u/DSongra11_forum.com)\
**Replies:** 4\
**Last updated:** [2 February 2022 12:44 UTC](https://discourse.nodered.org/t/multidroping-on-modbus-rtu-node/57618 "2022-02-02T12:44:28Z")

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Hello, How to do Multidroping on Modbus RTU node. I have multiple Energy Meters, I want to read parameters from each meter. I have checked with 1 Energy Meter and was able to get the data in node-red. So how to config…

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## [Node red http in node with sensor data](https://discourse.nodered.org/t/node-red-http-in-node-with-sensor-data/57631)

<div class="topic-metadata">

**Author:** [@amila](https://discourse.nodered.org/u/amila)\
**Replies:** 3\
**Last updated:** [2 February 2022 12:11 UTC](https://discourse.nodered.org/t/node-red-http-in-node-with-sensor-data/57631 "2022-02-02T12:11:15Z")

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I use http in node & post method to receive esp 32 data as in figure 1. I am getting msg.payload in debug as in figure 2. My requirement is to create two separate array to display in two gauges. As an example in f…

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