# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=427

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

**Page:** 428

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## [Edge case - Export of link nodes doing something strange](https://discourse.nodered.org/t/edge-case-export-of-link-nodes-doing-something-strange/57826)

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**Author:** [@davec1001](https://discourse.nodered.org/u/davec1001)\
**Replies:** 0\
**Last updated:** [5 February 2022 12:07 UTC](https://discourse.nodered.org/t/edge-case-export-of-link-nodes-doing-something-strange/57826 "2022-02-05T12:07:38Z")

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I am noticing that exporting link nodes sometimes has extra 'ghost entries' Presumably left over from previous versions of the link node. I am just posting in case this is of interest to any developers I did try and re…

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## [Extract data from webpage](https://discourse.nodered.org/t/extract-data-from-webpage/57823)

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**Author:** [@bigmac5753](https://discourse.nodered.org/u/bigmac5753)\
**Replies:** 2\
**Last updated:** [5 February 2022 12:00 UTC](https://discourse.nodered.org/t/extract-data-from-webpage/57823 "2022-02-05T12:00:12Z")

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I'm trying to extract certain data from a webpage. To test it, i've created an inject - http request - debug flow. I cannot see the required data in the debug msg. The URL is: SiaStats.info - Hosts monitor The requi…

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## [For Windows users: PowerToys now has code previews using Monaco - including md, js, html, css, json, py](https://discourse.nodered.org/t/for-windows-users-powertoys-now-has-code-previews-using-monaco-including-md-js-html-css-json-py/57761)

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**Author:** [@TotallyInformation](https://discourse.nodered.org/u/TotallyInformation)\
**Replies:** 3\
**Last updated:** [5 February 2022 10:01 UTC](https://discourse.nodered.org/t/for-windows-users-powertoys-now-has-code-previews-using-monaco-including-md-js-html-css-json-py/57761 "2022-02-05T10:01:57Z")

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Sorry, I know this isn't totally on-topic but thought quite a few people here may be interested. Very nice new feature in Microsoft PowerToys for Windows. For people using Windows Explorer, you can turn on the preview p…

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## [Timeout connecting to the transport](https://discourse.nodered.org/t/timeout-connecting-to-the-transport/57815)

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**Author:** [@sajid](https://discourse.nodered.org/u/sajid)\
**Replies:** 2\
**Last updated:** [5 February 2022 08:06 UTC](https://discourse.nodered.org/t/timeout-connecting-to-the-transport/57815 "2022-02-05T08:06:44Z")

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This is all that i have, no hidden flows whatsoever. Why do i keep getting this error? i have restarted my com and stuff and nothing...

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## [Store global context file in project folder](https://discourse.nodered.org/t/store-global-context-file-in-project-folder/57804)

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**Author:** [@tcr000](https://discourse.nodered.org/u/tcr000)\
**Replies:** 1\
**Last updated:** [5 February 2022 07:53 UTC](https://discourse.nodered.org/t/store-global-context-file-in-project-folder/57804 "2022-02-05T07:53:47Z")

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I would like to be able to store my persistent global context in the same folder as the node red project. Ideally, I would like it to be included in the git repository. I think I can create a new persistent store in the…

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## [OAuth/OpenID logout with Keycloak](https://discourse.nodered.org/t/oauth-openid-logout-with-keycloak/57492)

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**Author:** [@mw75](https://discourse.nodered.org/u/mw75)\
**Replies:** 8\
**Last updated:** [5 February 2022 07:49 UTC](https://discourse.nodered.org/t/oauth-openid-logout-with-keycloak/57492 "2022-02-05T07:49:00Z")

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This is not a question, but a simple note for others using Keycloak to authenticate node-red users. I followed the hints at OAuth/OpenID login with Keycloak and got my login working very fast. I decided to go with keycl…

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## [Separating multiple executions of a flow](https://discourse.nodered.org/t/separating-multiple-executions-of-a-flow/57758)

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**Author:** [@ctSkennerton](https://discourse.nodered.org/u/ctSkennerton)\
**Replies:** 4\
**Last updated:** [5 February 2022 05:58 UTC](https://discourse.nodered.org/t/separating-multiple-executions-of-a-flow/57758 "2022-02-05T05:58:55Z")

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Does node red have the concept of an execution or instance of a flow. I have some previous experience with workflow orchestration tools like airflow where you can start multiple executions of a workflow simultaneously an…

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## [Inject Node suggestion?](https://discourse.nodered.org/t/inject-node-suggestion/57695)

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**Author:** [@StrongTown](https://discourse.nodered.org/u/StrongTown)\
**Replies:** 17\
**Last updated:** [4 February 2022 23:24 UTC](https://discourse.nodered.org/t/inject-node-suggestion/57695 "2022-02-04T23:24:29Z")

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The inject node is well designed as the element that is often the start of code functions. It is pretty versatile and provides pretty much all the topic / payload options one could need to send. I'm sure many however, …

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## [Need help with subflow code](https://discourse.nodered.org/t/need-help-with-subflow-code/57754)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 4\
**Last updated:** [4 February 2022 21:29 UTC](https://discourse.nodered.org/t/need-help-with-subflow-code/57754 "2022-02-04T21:29:26Z")

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I am trying to rationalise a subflow and rather than using a setup message. I know the code in the function node is a bit messy, but that's because it was written to receive this setup message. When I deployed it I was…

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## [Node naming convention - Scoped packages](https://discourse.nodered.org/t/node-naming-convention-scoped-packages/57800)

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**Author:** [@Paul-Reed](https://discourse.nodered.org/u/Paul-Reed)\
**Replies:** 2\
**Last updated:** [4 February 2022 21:23 UTC](https://discourse.nodered.org/t/node-naming-convention-scoped-packages/57800 "2022-02-04T21:23:33Z")

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I'm not sure if I've read this correctly, but... when using scoped node names is it now necessary when initially publishing the package to npm, to do so using npm publish --access public??

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## [Using mysql:require(’mysql’) does not function any more - any suggestions why](https://discourse.nodered.org/t/using-mysql-require-mysql-does-not-function-any-more-any-suggestions-why/57746)

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**Author:** [@Boja](https://discourse.nodered.org/u/Boja)\
**Replies:** 12\
**Last updated:** [4 February 2022 21:21 UTC](https://discourse.nodered.org/t/using-mysql-require-mysql-does-not-function-any-more-any-suggestions-why/57746 "2022-02-04T21:21:27Z")

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To give function nodes access to a local MariaDB I'm used to adding mysql:require(’mysql’) to functionGlobalContext (in config/node-red/settings.js). I have used this method for a number of years, last time was about a…

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## [Help request: Adding Home Assistant Values](https://discourse.nodered.org/t/help-request-adding-home-assistant-values/57771)

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**Author:** [@cwein87](https://discourse.nodered.org/u/cwein87)\
**Replies:** 2\
**Last updated:** [4 February 2022 21:18 UTC](https://discourse.nodered.org/t/help-request-adding-home-assistant-values/57771 "2022-02-04T21:18:45Z")

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Hi everyone, I want to use a Shelly 3EM as an electricity meter. Since we have a photovoltaik plant and the shelly measures all three phases separatly (offtake and injection, so six values), I need to calculate the sum …

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## [Tcp connection not connected](https://discourse.nodered.org/t/tcp-connection-not-connected/548)

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**Author:** [@sweetwater](https://discourse.nodered.org/u/sweetwater)\
**Replies:** 10\
**Last updated:** [4 February 2022 20:13 UTC](https://discourse.nodered.org/t/tcp-connection-not-connected/548 "2022-02-04T20:13:40Z")

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I am making a simple test flow to telnet to port23 Running NodeRed on Raspberriy Pi connected to my network. THe Pi IP = 10.0.0.60 Running Terminal Utility( Hercules) on Laptop . IP address = 10.0.0.66. The TCP Server …

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## [Running Node-RED behind reverse proxy using sub path](https://discourse.nodered.org/t/running-node-red-behind-reverse-proxy-using-sub-path/57791)

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**Author:** [@kellis5137](https://discourse.nodered.org/u/kellis5137)\
**Replies:** 1\
**Last updated:** [4 February 2022 20:02 UTC](https://discourse.nodered.org/t/running-node-red-behind-reverse-proxy-using-sub-path/57791 "2022-02-04T20:02:39Z")

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I'm trying to install Node-RED behind a nginx reverse proxy. I already have an application under the default "/". I'm setting the Node-RED path via the following: location /nodeRed { rewrite /nodeRed(.\*)…

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## [How to release a stepper motor with node-red-contrib-i2c-motorhat?](https://discourse.nodered.org/t/how-to-release-a-stepper-motor-with-node-red-contrib-i2c-motorhat/57794)

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**Author:** [@K5OZ](https://discourse.nodered.org/u/K5OZ)\
**Replies:** 0\
**Last updated:** [4 February 2022 19:51 UTC](https://discourse.nodered.org/t/how-to-release-a-stepper-motor-with-node-red-contrib-i2c-motorhat/57794 "2022-02-04T19:51:07Z")

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I am using the node-red-contrib-i2c-motorhat node and can get it to work CW/CCW, Steps, and Styles with the example flows shown on the node download page; however, I cannot create a flow that puts the stepper in “release…

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## [Template node: {{states.msg.payload.data.entity\_id.attributes.current\_position}} fails! What on earth should it be?](https://discourse.nodered.org/t/template-node-states-msg-payload-data-entity-id-attributes-current-position-fails-what-on-earth-should-it-be/57698)

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**Author:** [@danielbrunt57](https://discourse.nodered.org/u/danielbrunt57)\
**Replies:** 6\
**Last updated:** [4 February 2022 19:24 UTC](https://discourse.nodered.org/t/template-node-states-msg-payload-data-entity-id-attributes-current-position-fails-what-on-earth-should-it-be/57698 "2022-02-04T19:24:41Z")

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I have this payload which is output from a call\_service node:: msg.payload: { "domain":"cover", "service":"set\_cover\_position", "data": { "position":97, "entity\_id":"cover.kitchen\_blind\_2" } } I want to use the…

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## [Latency problem](https://discourse.nodered.org/t/latency-problem/57785)

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**Author:** [@agmacedo](https://discourse.nodered.org/u/agmacedo)\
**Replies:** 1\
**Last updated:** [4 February 2022 19:02 UTC](https://discourse.nodered.org/t/latency-problem/57785 "2022-02-04T19:02:04Z")

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Recently I face a problem with my NR applications. I have multiple charts and online data on my home tab mais application. If I connect to NR with a remote browser installed on a PC no problems at all. But, if I connect…

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## [Can we configure websocket node programmatically?](https://discourse.nodered.org/t/can-we-configure-websocket-node-programmatically/57775)

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**Author:** [@zapicoj](https://discourse.nodered.org/u/zapicoj)\
**Replies:** 0\
**Last updated:** [4 February 2022 16:53 UTC](https://discourse.nodered.org/t/can-we-configure-websocket-node-programmatically/57775 "2022-02-04T16:53:24Z")

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Hi, In my project, the websocket server url is changing over the time so I need to reconfigure the websocket node every time from the node-red editor. I'm wondering if there is a way to set the websocket node URL from a…

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## [How to use webcam](https://discourse.nodered.org/t/how-to-use-webcam/15664)

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**Author:** [@Andres](https://discourse.nodered.org/u/Andres)\
**Replies:** 14\
**Last updated:** [4 February 2022 16:52 UTC](https://discourse.nodered.org/t/how-to-use-webcam/15664 "2022-02-04T16:52:01Z")

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Hello everyone, i don't know if this question goes here, but i hope to find some guidance in this forum. I'm trying to stream the captured webcam image on the browser and i've got this code from some post and i've got i…

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## [Remote node-red using reverse SSH deploy help](https://discourse.nodered.org/t/remote-node-red-using-reverse-ssh-deploy-help/57768)

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**Author:** [@jmorris644](https://discourse.nodered.org/u/jmorris644)\
**Replies:** 2\
**Last updated:** [4 February 2022 15:05 UTC](https://discourse.nodered.org/t/remote-node-red-using-reverse-ssh-deploy-help/57768 "2022-02-04T15:05:12Z")

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I have some remote node-red installations. These remote installations use reverse ssh that is instantiated using an exec node to connect to my VPN server. I can then connect to the remote node-red through a VPN. My ques…

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## [No response from editor but dashboard UI stills works ?! (FIXED)](https://discourse.nodered.org/t/no-response-from-editor-but-dashboard-ui-stills-works-fixed/57765)

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**Author:** [@vtgav](https://discourse.nodered.org/u/vtgav)\
**Replies:** 3\
**Last updated:** [4 February 2022 14:29 UTC](https://discourse.nodered.org/t/no-response-from-editor-but-dashboard-ui-stills-works-fixed/57765 "2022-02-04T14:29:43Z")

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I have node-red V2.2.0 installed on an Azure debian 10 VM accessing a local MySQL database, using latest Chrome to access the editor and dashboard ui. Its been working fine for days as I've been developing the applicati…

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## [Sum function of two sensor data](https://discourse.nodered.org/t/sum-function-of-two-sensor-data/11761)

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**Author:** [@b3hzad2012](https://discourse.nodered.org/u/b3hzad2012)\
**Replies:** 11\
**Last updated:** [4 February 2022 13:51 UTC](https://discourse.nodered.org/t/sum-function-of-two-sensor-data/11761 "2022-02-04T13:51:50Z")

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I can't sum the numbers which are collected from sensors. \[{"id":"a451fd95.e588d","type":"tab","label":"IoT Imaginary","disabled":false,"info":""},{"id":"9c84ad2a.aa978","type":"http response","z":"a451fd95.e588d","n…

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## [Password adminAuth not working](https://discourse.nodered.org/t/password-adminauth-not-working/57753)

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**Author:** [@Netplayjoe](https://discourse.nodered.org/u/Netplayjoe)\
**Replies:** 7\
**Last updated:** [4 February 2022 13:19 UTC](https://discourse.nodered.org/t/password-adminauth-not-working/57753 "2022-02-04T13:19:01Z")

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New user here. I have enabled adminAuth using the default user/pass. It worked great. Once. Now when I open the workspace it doesn't ask for credentials, it just opens like adminAuth is not enabled. Tried Edge and Chrom…

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## [Working with JSON or XML v2](https://discourse.nodered.org/t/working-with-json-or-xml-v2/57635)

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**Author:** [@brian](https://discourse.nodered.org/u/brian)\
**Replies:** 3\
**Last updated:** [4 February 2022 09:25 UTC](https://discourse.nodered.org/t/working-with-json-or-xml-v2/57635 "2022-02-04T09:25:08Z")

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hello agian the last tread got closed. i got the unit to upload the file xml to a server, and i can read the file. But can i send it directly in to node red, instead read a file on a server? This is the unit that i …

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## [Reading webserver data](https://discourse.nodered.org/t/reading-webserver-data/10621)

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**Author:** [@Duncan](https://discourse.nodered.org/u/Duncan)\
**Replies:** 17\
**Last updated:** [4 February 2022 08:18 UTC](https://discourse.nodered.org/t/reading-webserver-data/10621 "2022-02-04T08:18:34Z")

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Hi there Node-Red fans, I have been doing pretty amazing things with node-red the last two years. I am no programmer but i have a fair understanding of the basics. This challenge is a bit out of my league therefore I n…

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## [Column to row & separated by comma](https://discourse.nodered.org/t/column-to-row-separated-by-comma/57755)

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**Author:** [@sahsha](https://discourse.nodered.org/u/sahsha)\
**Replies:** 6\
**Last updated:** [4 February 2022 08:11 UTC](https://discourse.nodered.org/t/column-to-row-separated-by-comma/57755 "2022-02-04T08:11:20Z")

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Need help. need to convert column data to row separated by comma in msg.payload. I get column data from a SQL table, which is in the form of array then I use a csv node which converts it into string. But I need a Pay…

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## [MQTT - Node Red - Smartthings](https://discourse.nodered.org/t/mqtt-node-red-smartthings/57304)

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**Author:** [@mhmatttu](https://discourse.nodered.org/u/mhmatttu)\
**Replies:** 28\
**Last updated:** [4 February 2022 05:49 UTC](https://discourse.nodered.org/t/mqtt-node-red-smartthings/57304 "2022-02-04T05:49:30Z")

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I have a MQTT server with control of my pool equipment. I would like to control the equipment using smartthings virtual switches via node-red and MQTT. I have node-red-contrib-smartthings installed. MQTT is working we…

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## [Help request: Capture images and blit them together with contrib-image-tools (jimp)](https://discourse.nodered.org/t/help-request-capture-images-and-blit-them-together-with-contrib-image-tools-jimp/57363)

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**Author:** [@daxliniere](https://discourse.nodered.org/u/daxliniere)\
**Replies:** 6\
**Last updated:** [4 February 2022 00:07 UTC](https://discourse.nodered.org/t/help-request-capture-images-and-blit-them-together-with-contrib-image-tools-jimp/57363 "2022-02-04T00:07:16Z")

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Having a little trouble getting and 'blitting' some images together. I suspect the source type is incorrect and I just don't know enough to work out where. Seeing as a picture speaks a thousand words, here's a video dem…

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## [How to get node-red users to have different workspaces?](https://discourse.nodered.org/t/how-to-get-node-red-users-to-have-different-workspaces/57684)

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**Author:** [@ale1995](https://discourse.nodered.org/u/ale1995)\
**Replies:** 2\
**Last updated:** [3 February 2022 08:17 UTC](https://discourse.nodered.org/t/how-to-get-node-red-users-to-have-different-workspaces/57684 "2022-02-03T08:17:07Z")

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I need my node-network to serve several users at the same time, and I want to see if it is possible for each one to have their independent workspace

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## [Is there a way to set connections as properties on subflows](https://discourse.nodered.org/t/is-there-a-way-to-set-connections-as-properties-on-subflows/57664)

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**Author:** [@cwalter5](https://discourse.nodered.org/u/cwalter5)\
**Replies:** 3\
**Last updated:** [3 February 2022 20:20 UTC](https://discourse.nodered.org/t/is-there-a-way-to-set-connections-as-properties-on-subflows/57664 "2022-02-03T20:20:30Z")

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Hi, I was hoping to create a subflow which could read data from a websocket and send an acknowledgement message back before outputting to the main flow. This appears to be possible but, the whole reason I'd like to put t…

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