# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=120

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

**Page:** 121

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## [Off topic ... but I just need to extract a tar.gz file and keep owner & group?](https://discourse.nodered.org/t/off-topic-but-i-just-need-to-extract-a-tar-gz-file-and-keep-owner-group/86832)

<div class="topic-metadata">

**Author:** [@questuk](https://discourse.nodered.org/u/questuk)\
**Replies:** 2\
**Last updated:** [28 March 2024 15:32 UTC](https://discourse.nodered.org/t/off-topic-but-i-just-need-to-extract-a-tar-gz-file-and-keep-owner-group/86832 "2024-03-28T15:32:00Z")

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Hi, I apologise for this being off topic, but I have tried all day and some of yesterday, to extract with correct owner and group and failed. I have a host pc ( where the tar file comes from ) and a remote PC, on both …

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## [Random abort when 2 projects are running Node-Red](https://discourse.nodered.org/t/random-abort-when-2-projects-are-running-node-red/86723)

<div class="topic-metadata">

**Author:** [@badflash](https://discourse.nodered.org/u/badflash)\
**Replies:** 7\
**Last updated:** [28 March 2024 15:07 UTC](https://discourse.nodered.org/t/random-abort-when-2-projects-are-running-node-red/86723 "2024-03-28T15:07:54Z")

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I have two different Pi-Pico W projects I'm working on. One is a PID Incubator for hatching bird eggs, the other is an infinite repeat cycle timer to control a fogging device in a mushroom grow chamber. The Incubator see…

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## [Iterate subflow properties](https://discourse.nodered.org/t/iterate-subflow-properties/86779)

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**Author:** [@Colin](https://discourse.nodered.org/u/Colin)\
**Replies:** 3\
**Last updated:** [28 March 2024 13:25 UTC](https://discourse.nodered.org/t/iterate-subflow-properties/86779 "2024-03-28T13:25:45Z")

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Is the set of subflow properties available inside the subflow? It would be helpful if I could access the property env var names as an array of keys or similar in a function node. I need to load all the env var keys and …

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## [Function editor highlights text arbitrarily?](https://discourse.nodered.org/t/function-editor-highlights-text-arbitrarily/85571)

<div class="topic-metadata">

**Author:** [@Rgrove](https://discourse.nodered.org/u/Rgrove)\
**Replies:** 43\
**Last updated:** [28 March 2024 09:57 UTC](https://discourse.nodered.org/t/function-editor-highlights-text-arbitrarily/85571 "2024-03-28T09:57:26Z")

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I recently upgraded my home NR, and am now finding when I open a function node to edit, as soon as I click the code/text I want to change, it highlights a whole block between where I'd last left the cursor and just click…

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## [Didn't install serial node](https://discourse.nodered.org/t/didnt-install-serial-node/86760)

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**Author:** [@Ajinkya09](https://discourse.nodered.org/u/Ajinkya09)\
**Replies:** 7\
**Last updated:** [28 March 2024 10:22 UTC](https://discourse.nodered.org/t/didnt-install-serial-node/86760 "2024-03-28T10:22:19Z")

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## [Problem with Custom UI node](https://discourse.nodered.org/t/problem-with-custom-ui-node/86828)

<div class="topic-metadata">

**Author:** [@greenDog](https://discourse.nodered.org/u/greenDog)\
**Replies:** 0\
**Last updated:** [28 March 2024 10:14 UTC](https://discourse.nodered.org/t/problem-with-custom-ui-node/86828 "2024-03-28T10:14:49Z")

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Hello, I have a problem updating the custom UI node in the dashboard. Is it possible to change the format parameter of addWidget, e.g. in the node.on function or in the beforeEmit property? The result should be that a …

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## [Setting up the mosquitto password file](https://discourse.nodered.org/t/setting-up-the-mosquitto-password-file/86812)

<div class="topic-metadata">

**Author:** [@badflash](https://discourse.nodered.org/u/badflash)\
**Replies:** 2\
**Last updated:** [27 March 2024 21:13 UTC](https://discourse.nodered.org/t/setting-up-the-mosquitto-password-file/86812 "2024-03-27T21:13:49Z")

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I'm running into some weird stuff. I am following a tutorial on setting up mosquitto here: https://www.youtube.com/watch?v=72u6gIkeqUc But I get this weird error when I try to set up the password. Any ideas?

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## [Send a variable from Node-Red to Domoticz via http](https://discourse.nodered.org/t/send-a-variable-from-node-red-to-domoticz-via-http/86698)

<div class="topic-metadata">

**Author:** [@RiWo](https://discourse.nodered.org/u/RiWo)\
**Replies:** 3\
**Last updated:** [27 March 2024 19:43 UTC](https://discourse.nodered.org/t/send-a-variable-from-node-red-to-domoticz-via-http/86698 "2024-03-27T19:43:38Z")

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I'm trying to send a variable from Node-Red to Domoticz via http. In Node-red I make a variable available in a msg.payload, but if I do it as below, I get the value 0 for the dummy variable in Domoticz. /json.htm?type=c…

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## [Putting different images in a pdf, duplication error](https://discourse.nodered.org/t/putting-different-images-in-a-pdf-duplication-error/86768)

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**Author:** [@Erissin\_Industria4.0](https://discourse.nodered.org/u/Erissin_Industria4.0)\
**Replies:** 7\
**Last updated:** [27 March 2024 19:25 UTC](https://discourse.nodered.org/t/putting-different-images-in-a-pdf-duplication-error/86768 "2024-03-27T19:25:36Z")

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Again I'm here with this PDF issue, I can put the images inside the PDF, but even though I put the directory of different images one always overlaps the other, I've tried several things and so far I haven't been able to …

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## [Node-Red install in windows and .node-red folder location before first running](https://discourse.nodered.org/t/node-red-install-in-windows-and-node-red-folder-location-before-first-running/86807)

<div class="topic-metadata">

**Author:** [@HarryPottar](https://discourse.nodered.org/u/HarryPottar)\
**Replies:** 2\
**Last updated:** [27 March 2024 18:52 UTC](https://discourse.nodered.org/t/node-red-install-in-windows-and-node-red-folder-location-before-first-running/86807 "2024-03-27T18:52:45Z")

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Hello, I have finally have node-red running on a Windows VM in Azure. Took a while but finally through PM2 I have it running as a service and not under a user. So when I log out of the RDP it stays running. I need to m…

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## [Dashboard synchronization problem on multiple devices](https://discourse.nodered.org/t/dashboard-synchronization-problem-on-multiple-devices/86777)

<div class="topic-metadata">

**Author:** [@pesentiivan](https://discourse.nodered.org/u/pesentiivan)\
**Replies:** 11\
**Last updated:** [27 March 2024 18:26 UTC](https://discourse.nodered.org/t/dashboard-synchronization-problem-on-multiple-devices/86777 "2024-03-27T18:26:12Z")

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## [Best practise to use http request with digest auth](https://discourse.nodered.org/t/best-practise-to-use-http-request-with-digest-auth/85931)

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**Author:** [@Bond246](https://discourse.nodered.org/u/Bond246)\
**Replies:** 12\
**Last updated:** [27 March 2024 15:53 UTC](https://discourse.nodered.org/t/best-practise-to-use-http-request-with-digest-auth/85931 "2024-03-27T15:53:10Z")

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Hello, i'm programming an application with node-red that builds a dashboard with status information from an API providing information of that API-Server. So i build a lot of flows generating API request URLs and send t…

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## [Function to a command](https://discourse.nodered.org/t/function-to-a-command/86784)

<div class="topic-metadata">

**Author:** [@madmax](https://discourse.nodered.org/u/madmax)\
**Replies:** 7\
**Last updated:** [27 March 2024 14:13 UTC](https://discourse.nodered.org/t/function-to-a-command/86784 "2024-03-27T14:13:40Z")

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Hello! Is it possible in Node Red to pass a function to a command that is then executed? For example: msg.payload = msg.payload.1 + msg.payload.2 I hope someone can help me. Thanks in advance.

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## [The installation script has no output in raspberrypi](https://discourse.nodered.org/t/the-installation-script-has-no-output-in-raspberrypi/86803)

<div class="topic-metadata">

**Author:** [@lmy235638](https://discourse.nodered.org/u/lmy235638)\
**Replies:** 6\
**Last updated:** [27 March 2024 13:47 UTC](https://discourse.nodered.org/t/the-installation-script-has-no-output-in-raspberrypi/86803 "2024-03-27T13:47:52Z")

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Hi, I tried installing nodered locally on my new raspberry pi 4B and the provided Github install script does not work.I followed the official docs,make sure git curl build-essential works successfully.But when I ran the …

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## [Node Red freezing](https://discourse.nodered.org/t/node-red-freezing/86607)

<div class="topic-metadata">

**Author:** [@geoffatblacktusk](https://discourse.nodered.org/u/geoffatblacktusk)\
**Replies:** 9\
**Last updated:** [27 March 2024 13:31 UTC](https://discourse.nodered.org/t/node-red-freezing/86607 "2024-03-27T13:31:56Z")

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I have a mission ciritical NodeRed application running on version 2.0.6 that has been running for a couple of years with no obvious issues. The same application is running at a number of sites and the incoming communicat…

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## [Can not change the x-as of line chart chart-image](https://discourse.nodered.org/t/can-not-change-the-x-as-of-line-chart-chart-image/86806)

<div class="topic-metadata">

**Author:** [@robbe.haerens](https://discourse.nodered.org/u/robbe.haerens)\
**Replies:** 0\
**Last updated:** [27 March 2024 13:29 UTC](https://discourse.nodered.org/t/can-not-change-the-x-as-of-line-chart-chart-image/86806 "2024-03-27T13:29:52Z")

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righ now i am trying to make a line chart from a csv with a value on every row. this works at the moment all the values are nicely included in the linechart. but when i want to put the x-axis with values from 00 to 23,…

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## [Export with dependant](https://discourse.nodered.org/t/export-with-dependant/86797)

<div class="topic-metadata">

**Author:** [@HenryTrang](https://discourse.nodered.org/u/HenryTrang)\
**Replies:** 4\
**Last updated:** [27 March 2024 08:53 UTC](https://discourse.nodered.org/t/export-with-dependant/86797 "2024-03-27T08:53:55Z")

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Hello veteran, my flow include node-red-node-mysql, may i export the flow along with the dependant? as the user may not know how to install node-red-node-mysql.

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## [File format issue](https://discourse.nodered.org/t/file-format-issue/86792)

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**Author:** [@dalygav](https://discourse.nodered.org/u/dalygav)\
**Replies:** 1\
**Last updated:** [27 March 2024 06:34 UTC](https://discourse.nodered.org/t/file-format-issue/86792 "2024-03-27T06:34:16Z")

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I am working on a project and have node red deployed on a android OS gateway. I have multiple flows setup and working but the issue is I dont have the ability to export JSON whether in formatted or compact its just blank…

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## [Deployment Failure Message](https://discourse.nodered.org/t/deployment-failure-message/86789)

<div class="topic-metadata">

**Author:** [@Youssef](https://discourse.nodered.org/u/Youssef)\
**Replies:** 1\
**Last updated:** [27 March 2024 05:15 UTC](https://discourse.nodered.org/t/deployment-failure-message/86789 "2024-03-27T05:15:18Z")

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Deployement Faillure what should i do in this case i don't why it happened

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## [How to define host ip on one place while using it in mulpiple nodes](https://discourse.nodered.org/t/how-to-define-host-ip-on-one-place-while-using-it-in-mulpiple-nodes/86781)

<div class="topic-metadata">

**Author:** [@calberts](https://discourse.nodered.org/u/calberts)\
**Replies:** 3\
**Last updated:** [27 March 2024 02:32 UTC](https://discourse.nodered.org/t/how-to-define-host-ip-on-one-place-while-using-it-in-mulpiple-nodes/86781 "2024-03-27T02:32:52Z")

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Hoi I am looking for a solution for defining the host IP in one place (one node) while using it in multiple nodes. I have an SNMP box with relays. For each relay, that IS snmp call with consist of the IP address. Due t…

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## [Problems With Volume Knob In Dashboard 2 Template](https://discourse.nodered.org/t/problems-with-volume-knob-in-dashboard-2-template/86703)

<div class="topic-metadata">

**Author:** [@Buckskin](https://discourse.nodered.org/u/Buckskin)\
**Replies:** 2\
**Last updated:** [26 March 2024 19:31 UTC](https://discourse.nodered.org/t/problems-with-volume-knob-in-dashboard-2-template/86703 "2024-03-26T19:31:39Z")

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I found a volume knob on t'internet and managed to get it sort of working in a Dashboard 2 template node. The non-working part is the fact that this.$refs.volumeKnob.getBoundingClientRect() does not get a valid rectangle…

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## [Deployment Issue: Node-RED on Windows Server with IIS](https://discourse.nodered.org/t/deployment-issue-node-red-on-windows-server-with-iis/86773)

<div class="topic-metadata">

**Author:** [@RMASis](https://discourse.nodered.org/u/RMASis)\
**Replies:** 3\
**Last updated:** [26 March 2024 17:56 UTC](https://discourse.nodered.org/t/deployment-issue-node-red-on-windows-server-with-iis/86773 "2024-03-26T17:56:01Z")

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Hi everyone, I'm currently working on deploying the Node-RED server on a Windows server, and I have some specific requirements to fulfill. Here's what I've done so far: Installed Node-RED Run 'npm run dev' After thes…

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## [SSL certificate](https://discourse.nodered.org/t/ssl-certificate/86738)

<div class="topic-metadata">

**Author:** [@adambernaufeit](https://discourse.nodered.org/u/adambernaufeit)\
**Replies:** 7\
**Last updated:** [26 March 2024 17:41 UTC](https://discourse.nodered.org/t/ssl-certificate/86738 "2024-03-26T17:41:17Z")

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Hi, I would like to ask how to install an SSL certificate for Node-RED, which I have issued for my domain, when Node-RED is running in a Docker container. Thanks.

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## [MQTT broker- client connection](https://discourse.nodered.org/t/mqtt-broker-client-connection/86742)

<div class="topic-metadata">

**Author:** [@colin0031](https://discourse.nodered.org/u/colin0031)\
**Replies:** 8\
**Last updated:** [26 March 2024 17:37 UTC](https://discourse.nodered.org/t/mqtt-broker-client-connection/86742 "2024-03-26T17:37:22Z")

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Hello, Hope everyone having a great day. I'm working on an exiting project to collect data from a robot and I do experience some difficulties. Let me know your suggestions; The robot as a client is supposed to send out…

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## [Does it has new feature for flow group?](https://discourse.nodered.org/t/does-it-has-new-feature-for-flow-group/86751)

<div class="topic-metadata">

**Author:** [@LordLee123](https://discourse.nodered.org/u/LordLee123)\
**Replies:** 1\
**Last updated:** [26 March 2024 16:36 UTC](https://discourse.nodered.org/t/does-it-has-new-feature-for-flow-group/86751 "2024-03-26T16:36:59Z")

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Does it has new feature for flow group? I think it's easy to manage flows

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## [Opc da configuration error](https://discourse.nodered.org/t/opc-da-configuration-error/86771)

<div class="topic-metadata">

**Author:** [@PRABHAKAR82](https://discourse.nodered.org/u/PRABHAKAR82)\
**Replies:** 0\
**Last updated:** [26 March 2024 13:31 UTC](https://discourse.nodered.org/t/opc-da-configuration-error/86771 "2024-03-26T13:31:54Z")

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Hi Everyone I am trying to connect OPC-DA server to node-red by using OPC-DA client node, but it gives access denied error. In our OPC-DA server no user name and password configuration required it directly connected t…

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## [I2C LCD Almost working in NR](https://discourse.nodered.org/t/i2c-lcd-almost-working-in-nr/86067)

<div class="topic-metadata">

**Author:** [@CarloJongen](https://discourse.nodered.org/u/CarloJongen)\
**Replies:** 1\
**Last updated:** [26 March 2024 10:59 UTC](https://discourse.nodered.org/t/i2c-lcd-almost-working-in-nr/86067 "2024-03-26T10:59:05Z")

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I have a Waveshare 1602 I2C Display connected to a RPI Zero 2W via the I2C pins. Running an example python script the LCD shows two lines of text on the display. So the hardware works fine. As a test I have Node Red …

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## [Question about the \`trigger\` node](https://discourse.nodered.org/t/question-about-the-trigger-node/86757)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 2\
**Last updated:** [26 March 2024 08:47 UTC](https://discourse.nodered.org/t/question-about-the-trigger-node/86757 "2024-03-26T08:47:38Z")

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Code as is now..... \[{"id":"02c0dc2f2282aad5","type":"inject","z":"05319bbbba06da29","g":"35145edebb9cda53","name":"Stop","props":\[{"p":"payload"},{"p":"topic","vt":"str"}\],"repeat":"","crontab":"","once":false,"onceDel…

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## [How to run SIA-DSC on Synology docker/nodered?](https://discourse.nodered.org/t/how-to-run-sia-dsc-on-synology-docker-nodered/86749)

<div class="topic-metadata">

**Author:** [@Xyntec](https://discourse.nodered.org/u/Xyntec)\
**Replies:** 0\
**Last updated:** [25 March 2024 21:54 UTC](https://discourse.nodered.org/t/how-to-run-sia-dsc-on-synology-docker-nodered/86749 "2024-03-25T21:54:47Z")

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I am running NodeRed on a Beaglebone with Debian, and use DCS-SIA to communicate from my Ajax alarm to my Homey which works fine, but since my NAS is running 24/7 anyway, I thought of running it from there. But when I tr…

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## [TCP-out seems to work only in random cases](https://discourse.nodered.org/t/tcp-out-seems-to-work-only-in-random-cases/86598)

<div class="topic-metadata">

**Author:** [@bs-eng](https://discourse.nodered.org/u/bs-eng)\
**Replies:** 4\
**Last updated:** [25 March 2024 20:36 UTC](https://discourse.nodered.org/t/tcp-out-seems-to-work-only-in-random-cases/86598 "2024-03-25T20:36:06Z")

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Hi! I have been working with the TCP-out node for a couple weeks and I am observing a strange behavior on all my servers. When I use a TCP-out node in order to send a message to an external server it works only erratic…

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