# Latest

**URL:** https://discourse.nodered.org/latest.md?page=902

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

**Page:** 903

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## [Check the use of nodes in flows](https://discourse.nodered.org/t/check-the-use-of-nodes-in-flows/39719)

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**Author:** [@pvklink](https://discourse.nodered.org/u/pvklink)\
**Replies:** 4\
**Last updated:** [25 January 2021 18:23 UTC](https://discourse.nodered.org/t/check-the-use-of-nodes-in-flows/39719 "2021-01-25T18:23:43Z")

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I want to cleanup my installed nodes. Is there a way to check if an installed node in the palette is use by flows ?

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## [How to copy files from SMB Share to SMB Share](https://discourse.nodered.org/t/how-to-copy-files-from-smb-share-to-smb-share/39672)

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**Author:** [@alboubou](https://discourse.nodered.org/u/alboubou)\
**Replies:** 9\
**Last updated:** [25 January 2021 18:14 UTC](https://discourse.nodered.org/t/how-to-copy-files-from-smb-share-to-smb-share/39672 "2021-01-25T18:14:31Z")

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Hello Guys, It will be several weeks if not more than I tear my hair to make a file and directory copy with Node Red. If someone can help me, my brain will really appreciate :rofl: I expose my problem. I run Node Red…

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## [Nodes global variables](https://discourse.nodered.org/t/nodes-global-variables/39243)

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**Author:** [@Marty1982](https://discourse.nodered.org/u/Marty1982)\
**Replies:** 29\
**Last updated:** [25 January 2021 18:02 UTC](https://discourse.nodered.org/t/nodes-global-variables/39243 "2021-01-25T18:02:35Z")

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Hi all! I want to compare the 1st value with the 2nd value and do something with that (nevermind that now), the main doubt is how to work with those values. Global variables? Is there any node which can resolve that n…

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## [Node Red Authentication PW Hash issue](https://discourse.nodered.org/t/node-red-authentication-pw-hash-issue/3472)

<div class="topic-metadata">

**Author:** [@jfehl](https://discourse.nodered.org/u/jfehl)\
**Replies:** 24\
**Last updated:** [25 January 2021 17:49 UTC](https://discourse.nodered.org/t/node-red-authentication-pw-hash-issue/3472 "2021-01-25T17:49:41Z")

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I am trying to apply authentication to my Node-Red. I am able to get the setting.js edited so that it requests Username and PW. I am able to insert a different username, however...using the node-red-admin Hash-pw, I a…

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## [Enable User Auth to Editor, custom Password hash not working](https://discourse.nodered.org/t/enable-user-auth-to-editor-custom-password-hash-not-working/39702)

<div class="topic-metadata">

**Author:** [@CybrPimp](https://discourse.nodered.org/u/CybrPimp)\
**Replies:** 2\
**Last updated:** [25 January 2021 17:48 UTC](https://discourse.nodered.org/t/enable-user-auth-to-editor-custom-password-hash-not-working/39702 "2021-01-25T17:48:12Z")

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Ok, guys. New to NR here, so be easy please. :wink: I have installed on a Windows PC and have edited my settings.js file. I originally was editing the wrong file in the %AppData% folder but have now changed the one in…

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## [Node-red Python exec](https://discourse.nodered.org/t/node-red-python-exec/39596)

<div class="topic-metadata">

**Author:** [@Amit2016-17](https://discourse.nodered.org/u/Amit2016-17)\
**Replies:** 5\
**Last updated:** [25 January 2021 16:31 UTC](https://discourse.nodered.org/t/node-red-python-exec/39596 "2021-01-25T16:31:32Z")

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I am trying to access dht11 temperature and humidity data using python program on raspberrypi 4b on to node-red 'exec' module , but it is unable to capture the python data and error shows rc:-2 , 1/22/2021, 6:25:50 P…

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## [Duplicated request HTTP IN node](https://discourse.nodered.org/t/duplicated-request-http-in-node/39042)

<div class="topic-metadata">

**Author:** [@NoSuchException](https://discourse.nodered.org/u/NoSuchException)\
**Replies:** 12\
**Last updated:** [25 January 2021 16:12 UTC](https://discourse.nodered.org/t/duplicated-request-http-in-node/39042 "2021-01-25T16:12:52Z")

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Hi all, I need your help. I noticed with the http in and http response node that when the request goes in timeout the request is duplicated more time so I have many error. I search on the forum and on google, I saw oth…

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## [CSV node - coloum header](https://discourse.nodered.org/t/csv-node-coloum-header/39715)

<div class="topic-metadata">

**Author:** [@maru2648](https://discourse.nodered.org/u/maru2648)\
**Replies:** 1\
**Last updated:** [25 January 2021 15:54 UTC](https://discourse.nodered.org/t/csv-node-coloum-header/39715 "2021-01-25T15:54:52Z")

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Hello all, I have created a flow with which I can read my modbus and write the data to a CSV file. However, I have problems with the heading of the columns in the CSV file. Here is my flow I have conifugated the CSV…

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## [Custom "change" node](https://discourse.nodered.org/t/custom-change-node/39717)

<div class="topic-metadata">

**Author:** [@fmarzocca](https://discourse.nodered.org/u/fmarzocca)\
**Replies:** 2\
**Last updated:** [25 January 2021 15:54 UTC](https://discourse.nodered.org/t/custom-change-node/39717 "2021-01-25T15:54:20Z")

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Hi, I have a "change" node with 4 rules that I have customized for my special purpose. AS I need to use that node several times in my flows, is there a way to save it and re-use it when I need?

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## [Variables in node pushover](https://discourse.nodered.org/t/variables-in-node-pushover/20298)

<div class="topic-metadata">

**Author:** [@pvanklink](https://discourse.nodered.org/u/pvanklink)\
**Replies:** 4\
**Last updated:** [25 January 2021 15:44 UTC](https://discourse.nodered.org/t/variables-in-node-pushover/20298 "2021-01-25T15:44:16Z")

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I like to have one place where i store my permanent variables. At this moment i use a change to set some globals. I like to add the user-key and api-token to it. Ho do i refer to this globals in the pushover-node? Or …

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## [Email a table from PostreSQL data](https://discourse.nodered.org/t/email-a-table-from-postresql-data/39659)

<div class="topic-metadata">

**Author:** [@AndrePretorius](https://discourse.nodered.org/u/AndrePretorius)\
**Replies:** 2\
**Last updated:** [25 January 2021 15:26 UTC](https://discourse.nodered.org/t/email-a-table-from-postresql-data/39659 "2021-01-25T15:26:17Z")

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Hi There I am trying to send data from a PostgreSQL query via a HTML function through Email. The problem is to dynamically create the rows. Here is what i have so far in a standard template node. Any advice would be ap…

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## [How to send to a variable list of Pushover receivers?](https://discourse.nodered.org/t/how-to-send-to-a-variable-list-of-pushover-receivers/39709)

<div class="topic-metadata">

**Author:** [@Gawan](https://discourse.nodered.org/u/Gawan)\
**Replies:** 5\
**Last updated:** [25 January 2021 15:04 UTC](https://discourse.nodered.org/t/how-to-send-to-a-variable-list-of-pushover-receivers/39709 "2021-01-25T15:04:08Z")

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Hi, is it possible to send messages to a variable list of pushover receivers ? If I use node-red-contrib-pushover I am limited to only one specific and "hard-coded" receiver, but thats not what I want. I want to send …

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## [Looking for NodeRed Developer](https://discourse.nodered.org/t/looking-for-nodered-developer/39577)

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**Author:** [@davidmarch](https://discourse.nodered.org/u/davidmarch)\
**Replies:** 1\
**Last updated:** [25 January 2021 14:44 UTC](https://discourse.nodered.org/t/looking-for-nodered-developer/39577 "2021-01-25T14:44:01Z")

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Hi. Looking for a NR developer with strong API and JS math programming skills. We use NR to control industrial generators, interfacing with a number of cloud systems as well. We have done the development in-house and no…

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## [Configure Static ip](https://discourse.nodered.org/t/configure-static-ip/12270)

<div class="topic-metadata">

**Author:** [@sotiriszegiannis](https://discourse.nodered.org/u/sotiriszegiannis)\
**Replies:** 37\
**Last updated:** [18 June 2019 05:34 UTC](https://discourse.nodered.org/t/configure-static-ip/12270 "2019-06-18T05:34:48Z")

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Hi everyone. I searched the forum looking for similar question but couldnt fine something. So my question is if i can configure node red to take a static ip instead of a dynamic one.An ip throught DHCP, might change if…

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## [Enable/Disable individual nodes](https://discourse.nodered.org/t/enable-disable-individual-nodes/199)

<div class="topic-metadata">

**Author:** [@Andres](https://discourse.nodered.org/u/Andres)\
**Replies:** 21\
**Last updated:** [25 January 2021 13:47 UTC](https://discourse.nodered.org/t/enable-disable-individual-nodes/199 "2021-01-25T13:47:49Z")

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Could it be possible if you could disable some nodes on the current flow, that’s because some times (at least for me) i need to disable things, something like commenting a section. Thanks Andrés

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## [Help - mux2to1 logic using functions](https://discourse.nodered.org/t/help-mux2to1-logic-using-functions/39675)

<div class="topic-metadata">

**Author:** [@edimi](https://discourse.nodered.org/u/edimi)\
**Replies:** 5\
**Last updated:** [25 January 2021 12:13 UTC](https://discourse.nodered.org/t/help-mux2to1-logic-using-functions/39675 "2021-01-25T12:13:09Z")

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Hello to everyone, i have zero node-red and javascript experience. I want to choose between the output of 2 nodes. The selection will depend on the output of a third node. I have a "solenoid valve switch" node and a "s…

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## [Queue of the group position of a widget](https://discourse.nodered.org/t/queue-of-the-group-position-of-a-widget/39706)

<div class="topic-metadata">

**Author:** [@Ino](https://discourse.nodered.org/u/Ino)\
**Replies:** 1\
**Last updated:** [25 January 2021 12:01 UTC](https://discourse.nodered.org/t/queue-of-the-group-position-of-a-widget/39706 "2021-01-25T12:01:43Z")

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Since a short time I have problems with the queue of the group position of a widget. The last added group is at the end of the queue and the rest is unsorted. Is there a way to see the queue in a sequence as seen in the …

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## [Is there a way to display dash board on other devices?](https://discourse.nodered.org/t/is-there-a-way-to-display-dash-board-on-other-devices/39701)

<div class="topic-metadata">

**Author:** [@seahyihern](https://discourse.nodered.org/u/seahyihern)\
**Replies:** 12\
**Last updated:** [25 January 2021 11:42 UTC](https://discourse.nodered.org/t/is-there-a-way-to-display-dash-board-on-other-devices/39701 "2021-01-25T11:42:56Z")

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I am using a raspberry pi 3b+ to run the node red server and i was wondering if i could display the dashboard on my laptop. All my devices are using the same network and my laptop has node red installed

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## [How to formatting output in "Notification node"](https://discourse.nodered.org/t/how-to-formatting-output-in-notification-node/39309)

<div class="topic-metadata">

**Author:** [@mariulin](https://discourse.nodered.org/u/mariulin)\
**Replies:** 11\
**Last updated:** [25 January 2021 08:56 UTC](https://discourse.nodered.org/t/how-to-formatting-output-in-notification-node/39309 "2021-01-25T08:56:02Z")

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Hi folks. I'm using a "Button node" to execute a Linux system command then I pass the payload to a "Exec node" then to a "Notification node". The problem is that the output is on one line like this: . In "debug node" …

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## [OPCUA - write byte of array](https://discourse.nodered.org/t/opcua-write-byte-of-array/39704)

<div class="topic-metadata">

**Author:** [@Mattia.88](https://discourse.nodered.org/u/Mattia.88)\
**Replies:** 0\
**Last updated:** [25 January 2021 10:54 UTC](https://discourse.nodered.org/t/opcua-write-byte-of-array/39704 "2021-01-25T10:54:02Z")

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Goodmorning, i must write a byte array with OpcUa (see images). I created an variabile array, i inserted into variable the values and I moved this variabile into "msg.payload", but this method perhaps in not corr…

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## [Ok, new to Node Red, how to do back Webhook?](https://discourse.nodered.org/t/ok-new-to-node-red-how-to-do-back-webhook/39585)

<div class="topic-metadata">

**Author:** [@CybrPimp](https://discourse.nodered.org/u/CybrPimp)\
**Replies:** 13\
**Last updated:** [25 January 2021 10:20 UTC](https://discourse.nodered.org/t/ok-new-to-node-red-how-to-do-back-webhook/39585 "2021-01-25T10:20:43Z")

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Hey guys, first day on NodeRed and it is a bit confusing how to setup a basic webhook. Can anyone offer up a good guild?

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## [Credentials in API flows](https://discourse.nodered.org/t/credentials-in-api-flows/39693)

<div class="topic-metadata">

**Author:** [@donalddck](https://discourse.nodered.org/u/donalddck)\
**Replies:** 2\
**Last updated:** [25 January 2021 09:35 UTC](https://discourse.nodered.org/t/credentials-in-api-flows/39693 "2021-01-25T09:35:32Z")

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Hello, I'm trying to use the flows api (GET) to retrieve all configurations. In the API result there aren't the nodes credentials For example in mqtt-broker config there are all configurations but there aren't Securit…

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## [Enabling nodes automatically for double environment](https://discourse.nodered.org/t/enabling-nodes-automatically-for-double-environment/39695)

<div class="topic-metadata">

**Author:** [@Meng](https://discourse.nodered.org/u/Meng)\
**Replies:** 0\
**Last updated:** [25 January 2021 08:59 UTC](https://discourse.nodered.org/t/enabling-nodes-automatically-for-double-environment/39695 "2021-01-25T08:59:13Z")

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I am using a separate development and live node-red environment, so that i can work in the development environment without loosing uptime and input messages. Every time i am upgrading the live environment to the newest w…

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## [Change the display of node property](https://discourse.nodered.org/t/change-the-display-of-node-property/39686)

<div class="topic-metadata">

**Author:** [@chiche](https://discourse.nodered.org/u/chiche)\
**Replies:** 4\
**Last updated:** [25 January 2021 08:31 UTC](https://discourse.nodered.org/t/change-the-display-of-node-property/39686 "2021-01-25T08:31:29Z")

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As I know, the sidebar is displaying node property. How can I change the appearance of the node property here without editing the default property node? For example RED.nodes.registerType ("node-test", { colorSvg: …

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## [Probleme mit Light Scheduler](https://discourse.nodered.org/t/probleme-mit-light-scheduler/39694)

<div class="topic-metadata">

**Author:** [@Mercurisus](https://discourse.nodered.org/u/Mercurisus)\
**Replies:** 1\
**Last updated:** [25 January 2021 08:26 UTC](https://discourse.nodered.org/t/probleme-mit-light-scheduler/39694 "2021-01-25T08:26:29Z")

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Hallo, ich bin leider noch nicht so bewandert was Node Red angeht, ich hoffe Ihr könnt mit helfen. Aktuell plane ich meine Heizthermostat mit einem Zeitplan zu steuern. Zum Einsatz kommen mehrere MCO Home - Thermostat…

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## [How to collect the newest data in every 15 mins](https://discourse.nodered.org/t/how-to-collect-the-newest-data-in-every-15-mins/39691)

<div class="topic-metadata">

**Author:** [@Arthur123124](https://discourse.nodered.org/u/Arthur123124)\
**Replies:** 4\
**Last updated:** [25 January 2021 07:59 UTC](https://discourse.nodered.org/t/how-to-collect-the-newest-data-in-every-15-mins/39691 "2021-01-25T07:59:28Z")

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i am Note-red beginner. i was watching a lot of video to find out how to collect the newest data in every 15 mins. The background is i want to create the database that data sends to database in every 15 mins which need t…

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## [How to convert string to object in change node?](https://discourse.nodered.org/t/how-to-convert-string-to-object-in-change-node/39650)

<div class="topic-metadata">

**Author:** [@Nolram12345](https://discourse.nodered.org/u/Nolram12345)\
**Replies:** 5\
**Last updated:** [25 January 2021 07:44 UTC](https://discourse.nodered.org/t/how-to-convert-string-to-object-in-change-node/39650 "2021-01-25T07:44:15Z")

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Hello, I am quite new to Node-RED so excuse this probably quite obvious question. I have the requirement of converting a string msg.payload to an object I can then further process, as currently I get the error Cannot se…

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## [Return CLI output from a Cisco 5k Switch](https://discourse.nodered.org/t/return-cli-output-from-a-cisco-5k-switch/39685)

<div class="topic-metadata">

**Author:** [@mrdanedwards](https://discourse.nodered.org/u/mrdanedwards)\
**Replies:** 2\
**Last updated:** [25 January 2021 07:15 UTC](https://discourse.nodered.org/t/return-cli-output-from-a-cisco-5k-switch/39685 "2021-01-25T07:15:25Z")

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Hello All, I am pretty new to Node-Red, and have been using Node-Red-Dashboard to make a network monitoring screen for a network of Cisco 5k, Cisco 2K FEX's and 60x Cisco SG250 Switches. I have managed to make quite a …

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## [4 x Node-RED Docker containers with Nginx reverse proxy - help](https://discourse.nodered.org/t/4-x-node-red-docker-containers-with-nginx-reverse-proxy-help/7255)

<div class="topic-metadata">

**Author:** [@tristan](https://discourse.nodered.org/u/tristan)\
**Replies:** 7\
**Last updated:** [24 January 2021 22:03 UTC](https://discourse.nodered.org/t/4-x-node-red-docker-containers-with-nginx-reverse-proxy-help/7255 "2021-01-24T22:03:39Z")

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I have recently installed Docker on my Raspberry Pi 3 B+. I am trying to set up Nginx as a reverse proxy for 4 Node-RED containers. The containers are at localhost:8880, 8881, 8882 and 8883. It is very easy to set up Ngi…

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## [Can anybody explain how Output is recovered when call Exec?](https://discourse.nodered.org/t/can-anybody-explain-how-output-is-recovered-when-call-exec/9707)

<div class="topic-metadata">

**Author:** [@kelv1n](https://discourse.nodered.org/u/kelv1n)\
**Replies:** 8\
**Last updated:** [24 January 2021 21:54 UTC](https://discourse.nodered.org/t/can-anybody-explain-how-output-is-recovered-when-call-exec/9707 "2021-01-24T21:54:53Z")

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Hi Guys I'm using Exec to call a python script, but for some reason, when I output using print(), its not being returned to Node-RED. Yet, it receives the debug output from using the logging library - I've also tried se…

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