# Latest

**URL:** https://discourse.nodered.org/latest.md?page=712

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

**Page:** 713

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## [My Node Red just died](https://discourse.nodered.org/t/my-node-red-just-died/52425)

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**Author:** [@CarloJongen](https://discourse.nodered.org/u/CarloJongen)\
**Replies:** 24\
**Last updated:** [20 October 2021 19:29 UTC](https://discourse.nodered.org/t/my-node-red-just-died/52425 "2021-10-20T19:29:20Z")

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My Node red has been working fine for quite some time now. But after installing an MQTT broker in NR and trying to do something with it Node Red crashed and I can't get it to start again. https://flows.nodered.org/node/…

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## [When enabled projects node-red wont start and there is problems with the settings.js file](https://discourse.nodered.org/t/when-enabled-projects-node-red-wont-start-and-there-is-problems-with-the-settings-js-file/52481)

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**Author:** [@Macka323](https://discourse.nodered.org/u/Macka323)\
**Replies:** 9\
**Last updated:** [20 October 2021 18:02 UTC](https://discourse.nodered.org/t/when-enabled-projects-node-red-wont-start-and-there-is-problems-with-the-settings-js-file/52481 "2021-10-20T18:02:14Z")

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When enabled projects node-red wont start and there is problems with the settings.js file pi@raspberrypi:~ $ node-red-start …

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## [Contact Form and User Feedback Examples](https://discourse.nodered.org/t/contact-form-and-user-feedback-examples/52469)

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**Author:** [@rozek](https://discourse.nodered.org/u/rozek)\
**Replies:** 0\
**Last updated:** [20 October 2021 14:30 UTC](https://discourse.nodered.org/t/contact-form-and-user-feedback-examples/52469 "2021-10-20T14:30:25Z")

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I'm currently preparing a set of Node-RED flows and use cases for my students in order to motivate and encourage them to invent and build web sites and REST services without having to know, learn and program much. As pa…

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## [Help with node red and TTN sensors](https://discourse.nodered.org/t/help-with-node-red-and-ttn-sensors/52462)

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**Author:** [@mill4590](https://discourse.nodered.org/u/mill4590)\
**Replies:** 5\
**Last updated:** [20 October 2021 16:04 UTC](https://discourse.nodered.org/t/help-with-node-red-and-ttn-sensors/52462 "2021-10-20T16:04:34Z")

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good afternoon all so i am completely new to node red and i am struggling with using it with the things network i have a temp and humid sensor connected to a LoRa gateway and using TTN i am sending the data to my node …

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## [Html node: Maximum call stack size exceeded](https://discourse.nodered.org/t/html-node-maximum-call-stack-size-exceeded/52356)

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**Author:** [@Ashfaak](https://discourse.nodered.org/u/Ashfaak)\
**Replies:** 10\
**Last updated:** [20 October 2021 15:24 UTC](https://discourse.nodered.org/t/html-node-maximum-call-stack-size-exceeded/52356 "2021-10-20T15:24:59Z")

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Hi I've been successfully using the html node to filter a table. The file grows over time. I'm not sure when it stopped working, but it seems the amount of tags is too high for the node (currently 130900). Is there any…

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## [Need help with uibuilder, Vuex, and Map Helpers](https://discourse.nodered.org/t/need-help-with-uibuilder-vuex-and-map-helpers/52445)

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**Author:** [@tmichaeltx](https://discourse.nodered.org/u/tmichaeltx)\
**Replies:** 7\
**Last updated:** [20 October 2021 14:53 UTC](https://discourse.nodered.org/t/need-help-with-uibuilder-vuex-and-map-helpers/52445 "2021-10-20T14:53:32Z")

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I have run into a roadblock or maybe just confusion on my part when it comes to Vuex coming from uibuilder. Within my index.js file, I have a store. Then I have the app section that (partially) looks like this: const a…

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## [How to select all checkboxes in UI\_table](https://discourse.nodered.org/t/how-to-select-all-checkboxes-in-ui-table/52261)

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**Author:** [@MiguelSoares](https://discourse.nodered.org/u/MiguelSoares)\
**Replies:** 19\
**Last updated:** [20 October 2021 14:39 UTC](https://discourse.nodered.org/t/how-to-select-all-checkboxes-in-ui-table/52261 "2021-10-20T14:39:09Z")

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Hello everyone, I'm recent in using node red and I have the following question. In my project, I'm listing the contents of a directory in a UI\_table and I have check boxes that allow selecting one or more lines. Howeve…

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## [Node-red editor stuck on launch despite --safe flag](https://discourse.nodered.org/t/node-red-editor-stuck-on-launch-despite-safe-flag/52458)

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**Author:** [@pytneri](https://discourse.nodered.org/u/pytneri)\
**Replies:** 10\
**Last updated:** [20 October 2021 14:19 UTC](https://discourse.nodered.org/t/node-red-editor-stuck-on-launch-despite-safe-flag/52458 "2021-10-20T14:19:01Z")

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I've been running node-red successfully for years despite not knowing a thing about linux. After updating a palette yesterday (don't remember which one) the editor won't load anymore. It's eternally stuck at "Loading Nod…

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## [Mit Node-Red automatisch in Webanwendung schreiben](https://discourse.nodered.org/t/mit-node-red-automatisch-in-webanwendung-schreiben/52455)

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**Author:** [@noodie](https://discourse.nodered.org/u/noodie)\
**Replies:** 3\
**Last updated:** [20 October 2021 12:59 UTC](https://discourse.nodered.org/t/mit-node-red-automatisch-in-webanwendung-schreiben/52455 "2021-10-20T12:59:51Z")

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Hallo, ich möchte gerne automatisiert Daten von Node-Red in das Eingabefeld einer Webanwendung schreiben und diese Eingabe bestätigen. Hintergrund ist hier die Automatisierung einer Absauganlage die anhand von OPC-UA Da…

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## [Ip advanced loop msg.host](https://discourse.nodered.org/t/ip-advanced-loop-msg-host/52459)

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**Author:** [@ketpa](https://discourse.nodered.org/u/ketpa)\
**Replies:** 1\
**Last updated:** [20 October 2021 12:37 UTC](https://discourse.nodered.org/t/ip-advanced-loop-msg-host/52459 "2021-10-20T12:37:37Z")

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I have array with ip \[{"nazwa":"T1","ip":"10.0.0.71","opis\_ip\_alarm":"ip alarm 1"},{"nazwa":"T2","ip":"10.0.0.72","opis\_ip\_alarm":null}\] how loop msg.host by ip I try this \[ { "id": "4f61a7737e17d8d3", …

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## [Node red shuts down after 1 minute at windows start up](https://discourse.nodered.org/t/node-red-shuts-down-after-1-minute-at-windows-start-up/52451)

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**Author:** [@hartl](https://discourse.nodered.org/u/hartl)\
**Replies:** 0\
**Last updated:** [20 October 2021 09:16 UTC](https://discourse.nodered.org/t/node-red-shuts-down-after-1-minute-at-windows-start-up/52451 "2021-10-20T09:16:32Z")

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Good morning: When I start Node-red in the start menu of windwos(Boots when windows starts), a minute later it closes, but if I start it manually, this does not happen. Any ideas? Thanks a lot

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## [Node-red-contrib-led does not show properly the dashboard](https://discourse.nodered.org/t/node-red-contrib-led-does-not-show-properly-the-dashboard/52160)

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**Author:** [@castigliano](https://discourse.nodered.org/u/castigliano)\
**Replies:** 8\
**Last updated:** [20 October 2021 08:54 UTC](https://discourse.nodered.org/t/node-red-contrib-led-does-not-show-properly-the-dashboard/52160 "2021-10-20T08:54:47Z")

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Hi eveyone, I start this thread because I have a problem in my dashboard after installing the node-red-contrib-led. My node-red is running in localhost in port 1881,using that using that "node-red -p 1881 -u c:/node-re…

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## [Multiple instance problem Node-RED](https://discourse.nodered.org/t/multiple-instance-problem-node-red/52409)

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**Author:** [@castigliano](https://discourse.nodered.org/u/castigliano)\
**Replies:** 3\
**Last updated:** [20 October 2021 08:54 UTC](https://discourse.nodered.org/t/multiple-instance-problem-node-red/52409 "2021-10-20T08:54:05Z")

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Hi everyone, I installed recently several Node-RED in my computer, however the first instance intalled some time ago is working different than the previous ones. The dashboard is not working well for instances installed…

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## [Error in installing node-red-contrib-tf-model](https://discourse.nodered.org/t/error-in-installing-node-red-contrib-tf-model/52268)

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**Author:** [@norahb](https://discourse.nodered.org/u/norahb)\
**Replies:** 12\
**Last updated:** [20 October 2021 08:51 UTC](https://discourse.nodered.org/t/error-in-installing-node-red-contrib-tf-model/52268 "2021-10-20T08:51:52Z")

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Hello Whenever I try to install node-red-contrib-tf-model I get this error npm ERR! code ERESOLVE npm ERR! ERESOLVE unable to resolve dependency tree npm ERR! npm ERR! While resolving: node-red-project@0.0.1 npm ERR…

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## [Nodered Text-to-Speech in Windows](https://discourse.nodered.org/t/nodered-text-to-speech-in-windows/51395)

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**Author:** [@sergiobaiao](https://discourse.nodered.org/u/sergiobaiao)\
**Replies:** 13\
**Last updated:** [20 October 2021 01:12 UTC](https://discourse.nodered.org/t/nodered-text-to-speech-in-windows/51395 "2021-10-20T01:12:19Z")

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Hi there guys, I'm trying to setup a simple text-to-speech function in Windows using powershell, but i'm somehow failing miserably. I've managed to create a flow that works: \[ { "id": "8fc0ac7099b7175f", …

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## [How to execute "last will" command before a configuration node get removed](https://discourse.nodered.org/t/how-to-execute-last-will-command-before-a-configuration-node-get-removed/52442)

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**Author:** [@antoine-em](https://discourse.nodered.org/u/antoine-em)\
**Replies:** 3\
**Last updated:** [20 October 2021 00:55 UTC](https://discourse.nodered.org/t/how-to-execute-last-will-command-before-a-configuration-node-get-removed/52442 "2021-10-20T00:55:06Z")

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On a standard node the this.on("close",function) can be executed when the node is removed and/or stopped. But for the configuration nodes how to to execute such function before the config. node get deleted ? In my case…

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## [Dashboard sizing?](https://discourse.nodered.org/t/dashboard-sizing/11228)

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**Author:** [@Stylo](https://discourse.nodered.org/u/Stylo)\
**Replies:** 5\
**Last updated:** [19 October 2021 23:34 UTC](https://discourse.nodered.org/t/dashboard-sizing/11228 "2021-10-19T23:34:35Z")

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If I want to use my dashboard on multiple computers with different resolutions, is there a way to auto-scale it?

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## [Template node send data from function](https://discourse.nodered.org/t/template-node-send-data-from-function/52438)

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**Author:** [@RogierQ](https://discourse.nodered.org/u/RogierQ)\
**Replies:** 10\
**Last updated:** [19 October 2021 22:02 UTC](https://discourse.nodered.org/t/template-node-send-data-from-function/52438 "2021-10-19T22:02:26Z")

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Using template node i created a html page there are image that switch when i click them at a click it sends a payload. What i want to do now is when i click it first time i want to send x if i click it again i want to…

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## [How to move a node between flows without deleting it and losing its unique ID](https://discourse.nodered.org/t/how-to-move-a-node-between-flows-without-deleting-it-and-losing-its-unique-id/52408)

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**Author:** [@bwims](https://discourse.nodered.org/u/bwims)\
**Replies:** 7\
**Last updated:** [19 October 2021 21:14 UTC](https://discourse.nodered.org/t/how-to-move-a-node-between-flows-without-deleting-it-and-losing-its-unique-id/52408 "2021-10-19T21:14:09Z")

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I am using an Alexa skill / node red contrib that provides virtual Alexa devices to Node Red. It works wonderfully, but since it uses the node red node ID to create the virtual device in Alexa, if you need to move the n…

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## [For loop iteration for arrays](https://discourse.nodered.org/t/for-loop-iteration-for-arrays/52436)

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**Author:** [@ecymb1](https://discourse.nodered.org/u/ecymb1)\
**Replies:** 2\
**Last updated:** [19 October 2021 19:47 UTC](https://discourse.nodered.org/t/for-loop-iteration-for-arrays/52436 "2021-10-19T19:47:36Z")

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I am trying to browse through an array of arrays through a FOR loop, but each time it gives me an unjustified error. When I remove the loop, the code works perfectly. The large array basically has these small arrays that…

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## [Tunnel to Internal IP's connect to an external IP](https://discourse.nodered.org/t/tunnel-to-internal-ips-connect-to-an-external-ip/52433)

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**Author:** [@mafify](https://discourse.nodered.org/u/mafify)\
**Replies:** 1\
**Last updated:** [19 October 2021 18:59 UTC](https://discourse.nodered.org/t/tunnel-to-internal-ips-connect-to-an-external-ip/52433 "2021-10-19T18:59:33Z")

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Hello, I have a networking question that you guys might have faced and have an answer for it I have 4 raspberry PI's. One Pi is connected to internet and act as Adhoc, so the other three connect to it and have internet …

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## [Inject node - every 100ms](https://discourse.nodered.org/t/inject-node-every-100ms/52432)

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**Author:** [@feichtm2](https://discourse.nodered.org/u/feichtm2)\
**Replies:** 5\
**Last updated:** [19 October 2021 19:13 UTC](https://discourse.nodered.org/t/inject-node-every-100ms/52432 "2021-10-19T19:13:02Z")

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Inject node has the option to repeat injects. However, the minimum time is 1sec. I would like to poll my robot for telemetry data every 100ms. Is this possible?

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## [Sigfox downlink](https://discourse.nodered.org/t/sigfox-downlink/16495)

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**Author:** [@Meng](https://discourse.nodered.org/u/Meng)\
**Replies:** 5\
**Last updated:** [25 October 2020 01:14 UTC](https://discourse.nodered.org/t/sigfox-downlink/16495 "2020-10-25T01:14:24Z")

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How can i connect a node-red downlink by callback to sigfox. I have problems with the url and the data connection. the message is msg.payload={ deviceId : {'data':data}};

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## [Why does the AND not work](https://discourse.nodered.org/t/why-does-the-and-not-work/52374)

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**Author:** [@AndyWB](https://discourse.nodered.org/u/AndyWB)\
**Replies:** 25\
**Last updated:** [19 October 2021 17:37 UTC](https://discourse.nodered.org/t/why-does-the-and-not-work/52374 "2021-10-19T17:37:30Z")

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Good evening, I have two Boolean values. Both of these are true. The AND element always shows unknown and gives nothing out. Where is my mistake? \[ { "id": "3d846a3cec7a7d97", "type": "change", …

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## [How to run a custom javascript script on startup of node red](https://discourse.nodered.org/t/how-to-run-a-custom-javascript-script-on-startup-of-node-red/52429)

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**Author:** [@tnrich](https://discourse.nodered.org/u/tnrich)\
**Replies:** 3\
**Last updated:** [19 October 2021 17:10 UTC](https://discourse.nodered.org/t/how-to-run-a-custom-javascript-script-on-startup-of-node-red/52429 "2021-10-19T17:10:59Z")

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Hey there, I'm looking to customize the UI and possibly hide or inject certain element on the node-red editor. Is there a way to have a javascript file be called on startup of node-red and run in the window? Seems like…

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## [Unsubflow like ungroup](https://discourse.nodered.org/t/unsubflow-like-ungroup/52423)

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**Author:** [@pierredewilde](https://discourse.nodered.org/u/pierredewilde)\
**Replies:** 2\
**Last updated:** [19 October 2021 17:01 UTC](https://discourse.nodered.org/t/unsubflow-like-ungroup/52423 "2021-10-19T17:01:12Z")

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Hi there, Newbie to Node-RED and very impressed by its smart design and implementation. I don't figure how to unsubflow i.e. how to convert a subflow back to nodes like ungrouping. Thanks, Pierre

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## [Array filter from a letter](https://discourse.nodered.org/t/array-filter-from-a-letter/52395)

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**Author:** [@RitaSghe](https://discourse.nodered.org/u/RitaSghe)\
**Replies:** 12\
**Last updated:** [19 October 2021 16:53 UTC](https://discourse.nodered.org/t/array-filter-from-a-letter/52395 "2021-10-19T16:53:17Z")

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Hi, I set one filter in my array with this code: msg.payload = msg.payload.filter(e =\> e.title2.includes("P")) and I see my list with all the item start with letter P. Well, I'd like to see the item from the letter P…

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## [DietPi installation lacks basic commands](https://discourse.nodered.org/t/dietpi-installation-lacks-basic-commands/10388)

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**Author:** [@bwims](https://discourse.nodered.org/u/bwims)\
**Replies:** 10\
**Last updated:** [19 October 2021 16:50 UTC](https://discourse.nodered.org/t/dietpi-installation-lacks-basic-commands/10388 "2021-10-19T16:50:58Z")

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Hi, I am just getting into Node-RED. All the documentation I find discusses the 3 commands: Node-red-start Node-red-stop Node-red-log But the DietPi installation of Node-RED only provides the command Node-red Inci…

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## [Change size of node-red-node-ui-table](https://discourse.nodered.org/t/change-size-of-node-red-node-ui-table/52428)

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**Author:** [@zebr48r](https://discourse.nodered.org/u/zebr48r)\
**Replies:** 0\
**Last updated:** [19 October 2021 16:33 UTC](https://discourse.nodered.org/t/change-size-of-node-red-node-ui-table/52428 "2021-10-19T16:33:37Z")

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Hello. Can you please tell me how to change the size of the table? It is required that it be at least half the screen. Tried it via msg.ui\_control, but the size remains the same, maybe there is some setting for this? T…

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## [🎉 Node-RED 2.1.0-beta.2 released](https://discourse.nodered.org/t/node-red-2-1-0-beta-2-released/52212)

<div class="topic-metadata">

**Author:** [@knolleary](https://discourse.nodered.org/u/knolleary)\
**Replies:** 20\
**Last updated:** [19 October 2021 16:32 UTC](https://discourse.nodered.org/t/node-red-2-1-0-beta-2-released/52212 "2021-10-19T16:32:46Z")

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:tada: The second beta release of Node-RED 2.1.0 is now available. The Change Log has the full list of changes in this release, but here are the highlights. Note: if any issues are reported against the beta, we'll upda…

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