# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=452

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

**Page:** 453

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## [Node-RED in Docker Logging](https://discourse.nodered.org/t/node-red-in-docker-logging/55195)

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**Author:** [@tmichaeltx](https://discourse.nodered.org/u/tmichaeltx)\
**Replies:** 2\
**Last updated:** [15 December 2021 21:38 UTC](https://discourse.nodered.org/t/node-red-in-docker-logging/55195 "2021-12-15T21:38:51Z")

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I recently had an issue where I needed to look at the log information for my flows during a restart. Having changed the logging level to trace, I found that my view of the console messages only showed so many lines. As a…

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## [Flow to trigger when a boolean changes state in Home Assistant](https://discourse.nodered.org/t/flow-to-trigger-when-a-boolean-changes-state-in-home-assistant/55248)

<div class="topic-metadata">

**Author:** [@neilsonwheels](https://discourse.nodered.org/u/neilsonwheels)\
**Replies:** 1\
**Last updated:** [15 December 2021 21:24 UTC](https://discourse.nodered.org/t/flow-to-trigger-when-a-boolean-changes-state-in-home-assistant/55248 "2021-12-15T21:24:52Z")

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I'm looking for a flow in my Home Assistant system that will trigger a Google TTS node when a boolean switches state from ON-OFF or OFF-ON. I want this to be a one time occurence at the point when the state changes. I ho…

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## [Node-red-contrib-googlehome](https://discourse.nodered.org/t/node-red-contrib-googlehome/55204)

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**Author:** [@nightmare1](https://discourse.nodered.org/u/nightmare1)\
**Replies:** 3\
**Last updated:** [15 December 2021 21:23 UTC](https://discourse.nodered.org/t/node-red-contrib-googlehome/55204 "2021-12-15T21:23:22Z")

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Thanks in advance, im trying to set up node-red-contrib-googlehome. Firstly i will say what im trying to do, just encase this is not a suitable solution. I want to display my thermometer from home assistant in the goog…

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## [Monaco editor read-only (can't type in function node)](https://discourse.nodered.org/t/monaco-editor-read-only-cant-type-in-function-node/55245)

<div class="topic-metadata">

**Author:** [@svefro](https://discourse.nodered.org/u/svefro)\
**Replies:** 2\
**Last updated:** [15 December 2021 19:42 UTC](https://discourse.nodered.org/t/monaco-editor-read-only-cant-type-in-function-node/55245 "2021-12-15T19:42:36Z")

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i recently upgraded to 2.1.4 and enabled 'monaco' editor after the upgrade. i wanted to try this in the previous version but it was read-only so i went back to ace. Now i wanted to see if the read-only "bug" was fixed…

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## [NodeRed Desktop Version Doesn't Save Import](https://discourse.nodered.org/t/nodered-desktop-version-doesnt-save-import/55055)

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**Author:** [@davidmarch](https://discourse.nodered.org/u/davidmarch)\
**Replies:** 5\
**Last updated:** [15 December 2021 17:29 UTC](https://discourse.nodered.org/t/nodered-desktop-version-doesnt-save-import/55055 "2021-12-15T17:29:48Z")

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I just downloaded the NodeRed Desktop version for PC. Convenient. But it won't save flows that are imported. There a no new nodes in the import. It simply doesn't store the flow. Any ideas? Thank you Dave

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## [Alexa what is the tank level?](https://discourse.nodered.org/t/alexa-what-is-the-tank-level/54914)

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**Author:** [@camo200sx](https://discourse.nodered.org/u/camo200sx)\
**Replies:** 19\
**Last updated:** [15 December 2021 15:59 UTC](https://discourse.nodered.org/t/alexa-what-is-the-tank-level/54914 "2021-12-15T15:59:08Z")

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Any help would be appreciated. I have an ESP8266 that logs a volume in liters (going to change to a percentage but that irrelevant) to an mqtt broker. I have this value in node red and would like to ask Alexa to retrieve…

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## [Errors when pushing to a remote Github repository](https://discourse.nodered.org/t/errors-when-pushing-to-a-remote-github-repository/55026)

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**Author:** [@placid](https://discourse.nodered.org/u/placid)\
**Replies:** 4\
**Last updated:** [15 December 2021 13:44 UTC](https://discourse.nodered.org/t/errors-when-pushing-to-a-remote-github-repository/55026 "2021-12-15T13:44:15Z")

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Node-RED version: 2.1.4 I created a project Projects-\>New and filled out the forms. Used Projects-\>Project Setting-\>Settings to specify a remote Git repository (a new repository that I created on Github) Added some n…

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## [Mongodb on Atlas?](https://discourse.nodered.org/t/mongodb-on-atlas/55213)

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**Author:** [@superace](https://discourse.nodered.org/u/superace)\
**Replies:** 2\
**Last updated:** [15 December 2021 13:31 UTC](https://discourse.nodered.org/t/mongodb-on-atlas/55213 "2021-12-15T13:31:08Z")

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Hi, I am trying to get a raspberry with node-red 2.1.4 to connect to my Atlas mongodb instance. It should not be that hard right? But I really struggle to get a connection so I am going back to basics and ask here. I h…

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## [Parse 8 bit value from string](https://discourse.nodered.org/t/parse-8-bit-value-from-string/55224)

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**Author:** [@FeliceM](https://discourse.nodered.org/u/FeliceM)\
**Replies:** 6\
**Last updated:** [15 December 2021 13:07 UTC](https://discourse.nodered.org/t/parse-8-bit-value-from-string/55224 "2021-12-15T13:07:57Z")

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I am receiving this string from a Pic micro using an RS484 to serial (USB) converter. FE5A6144141A140C1413142324222000� The last char, showing as a replacement char of something that cannot be displayed, it is a 8bit v…

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## [Register to Signal Texting Service](https://discourse.nodered.org/t/register-to-signal-texting-service/55220)

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**Author:** [@horchi](https://discourse.nodered.org/u/horchi)\
**Replies:** 5\
**Last updated:** [15 December 2021 12:14 UTC](https://discourse.nodered.org/t/register-to-signal-texting-service/55220 "2021-12-15T12:14:37Z")

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If I try register the signal-client I get: "Signal client error: {"name":"HTTPError","code":402,"response":"\<html\>\\n\<head\>\\n\<meta http-equiv=\\"Content-Type\\" content=\\"text/html;charset=utf-8\\"/\>\\n\<title\>Error 402 Payme…

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## [Start video on hdmi with node red](https://discourse.nodered.org/t/start-video-on-hdmi-with-node-red/55228)

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**Author:** [@azertym](https://discourse.nodered.org/u/azertym)\
**Replies:** 6\
**Last updated:** [15 December 2021 11:53 UTC](https://discourse.nodered.org/t/start-video-on-hdmi-with-node-red/55228 "2021-12-15T11:53:42Z")

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Hi all, I want test something with node red and one raspberry pi. I use HC SR04 (ultra sonic sensor). If my SR04 is under 10 i want play a video. Si for this i use the node RPI-SRF and i made a little function. if(ms…

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## [Memory leak ?... trouble performance now](https://discourse.nodered.org/t/memory-leak-trouble-performance-now/55119)

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**Author:** [@henkkas](https://discourse.nodered.org/u/henkkas)\
**Replies:** 35\
**Last updated:** [15 December 2021 09:35 UTC](https://discourse.nodered.org/t/memory-leak-trouble-performance-now/55119 "2021-12-15T09:35:32Z")

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When I first started with Node-red. I had trouble with memory leak, but after 1 or 2 months, it disappeared. Now for as long as 2 months, I have the same issue again. But my application works fine, so far. Every now an…

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## [Subflows with no input. Can it only be used once?](https://discourse.nodered.org/t/subflows-with-no-input-can-it-only-be-used-once/55201)

<div class="topic-metadata">

**Author:** [@quarfie](https://discourse.nodered.org/u/quarfie)\
**Replies:** 1\
**Last updated:** [14 December 2021 20:46 UTC](https://discourse.nodered.org/t/subflows-with-no-input-can-it-only-be-used-once/55201 "2021-12-14T20:46:45Z")

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I created a subflow with no input. The starting node inside the subflow is an http in node. Can this type of subflow only be represented once in the dashboard? It seems that only the first created occurrence is function…

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## [My Flows are gone](https://discourse.nodered.org/t/my-flows-are-gone/55185)

<div class="topic-metadata">

**Author:** [@smiedl86](https://discourse.nodered.org/u/smiedl86)\
**Replies:** 3\
**Last updated:** [14 December 2021 20:20 UTC](https://discourse.nodered.org/t/my-flows-are-gone/55185 "2021-12-14T20:20:31Z")

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After not being able to deploy my new Flow, all of my flows were gone. I still have the Backup data of my flows. What should i do now? Had anyone the same problem yet?

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## [Insert date and time SQL SERVER](https://discourse.nodered.org/t/insert-date-and-time-sql-server/55192)

<div class="topic-metadata">

**Author:** [@mansanoj](https://discourse.nodered.org/u/mansanoj)\
**Replies:** 11\
**Last updated:** [14 December 2021 19:11 UTC](https://discourse.nodered.org/t/insert-date-and-time-sql-server/55192 "2021-12-14T19:11:41Z")

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I need to enter the current date and time via Node-RED into a SQL SERVER database, but it gives an error message. I'm using the pallete: node-red-contrib-moment I use the -3 hour time zone and then send it to a functio…

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## [Looking for Suggestions on tracking down a deployment delay](https://discourse.nodered.org/t/looking-for-suggestions-on-tracking-down-a-deployment-delay/55135)

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**Author:** [@tmichaeltx](https://discourse.nodered.org/u/tmichaeltx)\
**Replies:** 2\
**Last updated:** [14 December 2021 17:09 UTC](https://discourse.nodered.org/t/looking-for-suggestions-on-tracking-down-a-deployment-delay/55135 "2021-12-14T17:09:48Z")

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Sometime several months back while I was busy juggling many things, I made some alteration to my Node-RED setup that results in a long (2-5 second) pause whenever I do a deployment. I am sure if I had attacked the issue …

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## [Zwave switches fail to toggle sometimes](https://discourse.nodered.org/t/zwave-switches-fail-to-toggle-sometimes/55137)

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**Author:** [@voidpointer](https://discourse.nodered.org/u/voidpointer)\
**Replies:** 1\
**Last updated:** [14 December 2021 16:01 UTC](https://discourse.nodered.org/t/zwave-switches-fail-to-toggle-sometimes/55137 "2021-12-14T16:01:21Z")

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using Node Red, I have a series of lights and smart plugs (that have lights plugged into them) that I toggle when it's dawn or dusk. Occasionally, a light will not toggle correctly. For example, 1 of my 3 devices will be…

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## [Log4J vulnerability](https://discourse.nodered.org/t/log4j-vulnerability/55181)

<div class="topic-metadata">

**Author:** [@MOW](https://discourse.nodered.org/u/MOW)\
**Replies:** 1\
**Last updated:** [14 December 2021 14:20 UTC](https://discourse.nodered.org/t/log4j-vulnerability/55181 "2021-12-14T14:20:26Z")

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Hi everybody, does anybody know, how can I find out, if the Log4J Lib is used in nodes I use or in the node-red enviroment itself? Thanks to all. MOW

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## [Searching for nodes - not seeing them all](https://discourse.nodered.org/t/searching-for-nodes-not-seeing-them-all/55172)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 6\
**Last updated:** [14 December 2021 13:04 UTC](https://discourse.nodered.org/t/searching-for-nodes-not-seeing-them-all/55172 "2021-12-14T13:04:28Z")

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I am sorry folks. (Lots of pictures in this story) I am not having a good day with things. Ok, so the search in the menu. I want to search for a specific node by searching for it's real name. In light of something t…

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## [\`file out\` node wrong path](https://discourse.nodered.org/t/file-out-node-wrong-path/55169)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 7\
**Last updated:** [14 December 2021 12:42 UTC](https://discourse.nodered.org/t/file-out-node-wrong-path/55169 "2021-12-14T12:42:23Z")

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I have this bit of code: \[{"id":"1eae07ed.d651f8","type":"change","z":"a1911aa3.c45be8","g":"b924568e.8a90a8","name":"path","rules":\[{"t":"set","p":"path","pt":"msg","to":"log\_paths","tot":"global"},{"t":"set","p":"file…

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## [\[Solved\] How do you rate a node? (tldr: shut off cookie blocker)](https://discourse.nodered.org/t/solved-how-do-you-rate-a-node-tldr-shut-off-cookie-blocker/55162)

<div class="topic-metadata">

**Author:** [@zenofmud](https://discourse.nodered.org/u/zenofmud)\
**Replies:** 4\
**Last updated:** [14 December 2021 10:59 UTC](https://discourse.nodered.org/t/solved-how-do-you-rate-a-node-tldr-shut-off-cookie-blocker/55162 "2021-12-14T10:59:47Z")

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Has anyone rated a node recently? I thought there was a way to click on some stars but I can't find it in the flow library anymore (I'm sure it use to be there.)

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## [Collect msg.payload of one node into one string](https://discourse.nodered.org/t/collect-msg-payload-of-one-node-into-one-string/55151)

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**Author:** [@hanine](https://discourse.nodered.org/u/hanine)\
**Replies:** 2\
**Last updated:** [14 December 2021 10:47 UTC](https://discourse.nodered.org/t/collect-msg-payload-of-one-node-into-one-string/55151 "2021-12-14T10:47:54Z")

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Hello everyone How can i collect the msg.payload of a node into one string thank you in advance

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## [Npm install node-red-contrib-moment](https://discourse.nodered.org/t/npm-install-node-red-contrib-moment/55003)

<div class="topic-metadata">

**Author:** [@MR76](https://discourse.nodered.org/u/MR76)\
**Replies:** 9\
**Last updated:** [14 December 2021 10:46 UTC](https://discourse.nodered.org/t/npm-install-node-red-contrib-moment/55003 "2021-12-14T10:46:20Z")

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Hi, Im trying to install the moment node. But the installation failed. root@MSK-IOT2050-nodered:~/.node-red# npm install node-red-contrib-moment npm ERR! code EAI\_AGAIN npm ERR! errno EAI\_AGAIN npm ERR! request to http…

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## [\[solved\] Install script assumes I still have node v10](https://discourse.nodered.org/t/solved-install-script-assumes-i-still-have-node-v10/55134)

<div class="topic-metadata">

**Author:** [@geieraffe](https://discourse.nodered.org/u/geieraffe)\
**Replies:** 3\
**Last updated:** [14 December 2021 09:06 UTC](https://discourse.nodered.org/t/solved-install-script-assumes-i-still-have-node-v10/55134 "2021-12-14T09:06:42Z")

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The installation script assumes that I still have an Node v10 installed/used. But in the log it says that I have a newer version. And yes, I installed nvm in desperation. And now can't get rid of it. Even with how-to …

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## [Send message to whatsapp group from node-red](https://discourse.nodered.org/t/send-message-to-whatsapp-group-from-node-red/55106)

<div class="topic-metadata">

**Author:** [@arighidennys](https://discourse.nodered.org/u/arighidennys)\
**Replies:** 3\
**Last updated:** [13 December 2021 23:32 UTC](https://discourse.nodered.org/t/send-message-to-whatsapp-group-from-node-red/55106 "2021-12-13T23:32:14Z")

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Hay, I want to send a message to a whatsapp group, but i don't know how. I only know how to send a message to a personal number. Is there anyone can do that ? Please help

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## [Command works in terminal but not in exec node](https://discourse.nodered.org/t/command-works-in-terminal-but-not-in-exec-node/55087)

<div class="topic-metadata">

**Author:** [@PdeJ](https://discourse.nodered.org/u/PdeJ)\
**Replies:** 15\
**Last updated:** [13 December 2021 22:43 UTC](https://discourse.nodered.org/t/command-works-in-terminal-but-not-in-exec-node/55087 "2021-12-13T22:43:58Z")

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The following command works fine in the console, but not in the exec node in Buster, but used to work in Stretch. ffplay Desktop/audio.mp3 \>/dev/null 2\>&1 -vn -autoexit -nodisp \[{"id":"866572cd.1cabb","type":"commen…

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## [Is there a method to use preprocessor like h file in C/C++?](https://discourse.nodered.org/t/is-there-a-method-to-use-preprocessor-like-h-file-in-c-c/54960)

<div class="topic-metadata">

**Author:** [@corso66](https://discourse.nodered.org/u/corso66)\
**Replies:** 2\
**Last updated:** [13 December 2021 21:02 UTC](https://discourse.nodered.org/t/is-there-a-method-to-use-preprocessor-like-h-file-in-c-c/54960 "2021-12-13T21:02:44Z")

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Hi ! I want to use a technic with JS like .h file in C/C++ and definitively, modify any label at a only one file or node... For exemple, if i have an array from buffer IoT named o\[\] with 100 values ; in C, i will put i…

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## [Button / Switch change Status ater clicking](https://discourse.nodered.org/t/button-switch-change-status-ater-clicking/51778)

<div class="topic-metadata">

**Author:** [@tyr0n](https://discourse.nodered.org/u/tyr0n)\
**Replies:** 10\
**Last updated:** [13 December 2021 16:08 UTC](https://discourse.nodered.org/t/button-switch-change-status-ater-clicking/51778 "2021-12-13T16:08:33Z")

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Hello Community, i am new to node red and HA but i am trying to learn and make some things at our home smart. We have a Siemens Logo to control all our window shutters. With Tutorials i have managed to get a connection …

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## [Just got an old flows json after a reboot on one machine and stale deployment on another](https://discourse.nodered.org/t/just-got-an-old-flows-json-after-a-reboot-on-one-machine-and-stale-deployment-on-another/55096)

<div class="topic-metadata">

**Author:** [@hepcat72](https://discourse.nodered.org/u/hepcat72)\
**Replies:** 4\
**Last updated:** [13 December 2021 15:30 UTC](https://discourse.nodered.org/t/just-got-an-old-flows-json-after-a-reboot-on-one-machine-and-stale-deployment-on-another/55096 "2021-12-13T15:30:33Z")

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The strangest thing just happened on 2 separate node red instances on 2 machines... Machine 1: I had made a bunch of edits yesterday to a flow. Today I did a reboot of that machine and all my changes were gone after it …

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## [Alexa lists connection broken](https://discourse.nodered.org/t/alexa-lists-connection-broken/55122)

<div class="topic-metadata">

**Author:** [@yawstick1](https://discourse.nodered.org/u/yawstick1)\
**Replies:** 0\
**Last updated:** [13 December 2021 12:52 UTC](https://discourse.nodered.org/t/alexa-lists-connection-broken/55122 "2021-12-13T12:52:19Z")

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I've had this installed a working for quite some time... node-red-contrib-alexa-remote2... in particular the lists portion. I recently got a new phone and for some reason I had to update something on the echo dot to get …

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