# General **URL:** https://discourse.nodered.org/c/general/7.md?page=641 [Latest](https://discourse.nodered.org/latest.md) · [Categories](https://discourse.nodered.org/categories.md) · [Tags](https://discourse.nodered.org/tags.md) **Page:** 642 --- ## [Exec node - Bash file - error "VCHI initialization failed"](https://discourse.nodered.org/t/exec-node-bash-file-error-vchi-initialization-failed/37127)
**Author:** [@SimonFili](https://discourse.nodered.org/u/SimonFili)\ **Replies:** 6\ **Last updated:** [7 December 2020 22:16 UTC](https://discourse.nodered.org/t/exec-node-bash-file-error-vchi-initialization-failed/37127 "2020-12-07T22:16:32Z")
Hi all, new here. I simply try to run a bash one-liner and not getting the stdout of it. Read all previous post around this topic and tried many things. My script is this: root@DietPi:/bin# ls -l GetTemp.bash -rwxr… --- ## [Help setting up node-red-contrib-google-oauth-calendar](https://discourse.nodered.org/t/help-setting-up-node-red-contrib-google-oauth-calendar/36510)
**Author:** [@Topolynx](https://discourse.nodered.org/u/Topolynx)\ **Replies:** 3\ **Last updated:** [7 December 2020 20:06 UTC](https://discourse.nodered.org/t/help-setting-up-node-red-contrib-google-oauth-calendar/36510 "2020-12-07T20:06:28Z")
Hi. I'm totally new to node-red, and I wanted to use it in order to retrieve data from my google calendar, in particular the event of my work shift of the next day. I've read that some nodes are based on Google+ APIs and… --- ## [How to zip multiple files](https://discourse.nodered.org/t/how-to-zip-multiple-files/37105)
**Author:** [@minhhn0205](https://discourse.nodered.org/u/minhhn0205)\ **Replies:** 2\ **Last updated:** [7 December 2020 14:32 UTC](https://discourse.nodered.org/t/how-to-zip-multiple-files/37105 "2020-12-07T14:32:22Z")
Hi, I want to compress multiple files into one zip file: When reading the instructions of zip node, it seems to be able to do this with the input payload is Array, I tried it without understanding how input filename … --- ## [How to get back old style dashboard?](https://discourse.nodered.org/t/how-to-get-back-old-style-dashboard/37046)
**Author:** [@AungKL](https://discourse.nodered.org/u/AungKL)\ **Replies:** 2\ **Last updated:** [7 December 2020 13:59 UTC](https://discourse.nodered.org/t/how-to-get-back-old-style-dashboard/37046 "2020-12-07T13:59:23Z")
Hello Dude, Today, I've update Node Red from v1.0 to v1.26, the new dashboard style is taking space on handphone display. Is there any way to get back old dashboard style? The old style is compact and more useful to ha… --- ## [Display lowest temperature](https://discourse.nodered.org/t/display-lowest-temperature/37123)
**Author:** [@Vlak](https://discourse.nodered.org/u/Vlak)\ **Replies:** 9\ **Last updated:** [7 December 2020 13:45 UTC](https://discourse.nodered.org/t/display-lowest-temperature/37123 "2020-12-07T13:45:10Z")
Hi I am looking for a way to display the lowest measured temperature in the night in hassio. I have already managed to measure the temperature within a certain period of time, but how do I manage to ensure that only the … --- ## [Problems with Raspberry Pi and Node Red](https://discourse.nodered.org/t/problems-with-raspberry-pi-and-node-red/36318)
**Author:** [@bilabo](https://discourse.nodered.org/u/bilabo)\ **Replies:** 20\ **Last updated:** [7 December 2020 13:24 UTC](https://discourse.nodered.org/t/problems-with-raspberry-pi-and-node-red/36318 "2020-12-07T13:24:39Z")
Hi all! I have a few raspberry pie 3b out in the field running Node Red with standard Raspberry pi os with Node red. This has been working for a longer timer, but 2 of them went down after something updated automaticly.… --- ## [Read a txt file without write protection](https://discourse.nodered.org/t/read-a-txt-file-without-write-protection/36580)
**Author:** [@YT2310](https://discourse.nodered.org/u/YT2310)\ **Replies:** 14\ **Last updated:** [7 December 2020 11:38 UTC](https://discourse.nodered.org/t/read-a-txt-file-without-write-protection/36580 "2020-12-07T11:38:56Z")
Hey there, I try to read a file in Node Red every second. The file is written from a program every 0.2 seconds. Now the file sometimes changes the length of the array: This is in a way impossible cause the program w… --- ## [Replicate this curl command in node red flow](https://discourse.nodered.org/t/replicate-this-curl-command-in-node-red-flow/27577)
**Author:** [@voodoobg](https://discourse.nodered.org/u/voodoobg)\ **Replies:** 8\ **Last updated:** [7 December 2020 11:15 UTC](https://discourse.nodered.org/t/replicate-this-curl-command-in-node-red-flow/27577 "2020-12-07T11:15:40Z")
I'm trying to send shut down command with curl to ReadyNAS NV+ v2 with this command: curl -s -v -u user:pass -k "https://192.168.1.11/dbbroker" -H "Content-Type: application/x-www-form-urlencoded;" -H "X-Requested-With:… --- ## [Shutdown Netgear Readynas remotely](https://discourse.nodered.org/t/shutdown-netgear-readynas-remotely/37116)
**Author:** [@edje11](https://discourse.nodered.org/u/edje11)\ **Replies:** 0\ **Last updated:** [7 December 2020 11:02 UTC](https://discourse.nodered.org/t/shutdown-netgear-readynas-remotely/37116 "2020-12-07T11:02:26Z")
As repsonse to this https://discourse.nodered.org/t/replicate-this-curl-command-in-node-red-flow/27577 closed topic from @voodoobg. This is an easier way to shutdown your Netgear Readynas remotely. No need to use curl. … --- ## [Proposal for a new (core?) node: Switch / Valve](https://discourse.nodered.org/t/proposal-for-a-new-core-node-switch-valve/37112)
**Author:** [@wolfred](https://discourse.nodered.org/u/wolfred)\ **Replies:** 2\ **Last updated:** [7 December 2020 10:32 UTC](https://discourse.nodered.org/t/proposal-for-a-new-core-node-switch-valve/37112 "2020-12-07T10:32:42Z")
I'm using NodeRED for many purposes. Often flows split. For example one inject node ends in 5 nodes. For development I'd like to "switch off" those "flow ends" which are not required for the current development focus. F… --- ## [How to zip folder](https://discourse.nodered.org/t/how-to-zip-folder/37101)
**Author:** [@minhhn0205](https://discourse.nodered.org/u/minhhn0205)\ **Replies:** 4\ **Last updated:** [7 December 2020 08:47 UTC](https://discourse.nodered.org/t/how-to-zip-folder/37101 "2020-12-07T08:47:03Z")
Hi, I have compressed a file into a zip file using the zip node, but to compress a folder into a zip file, I don't know what to do !? Any hint will be great. Thanks. --- ## [Can somebody please put me out of my misery on a JSON command?](https://discourse.nodered.org/t/can-somebody-please-put-me-out-of-my-misery-on-a-json-command/37055)
**Author:** [@Mastiff](https://discourse.nodered.org/u/Mastiff)\ **Replies:** 7\ **Last updated:** [7 December 2020 07:59 UTC](https://discourse.nodered.org/t/can-somebody-please-put-me-out-of-my-misery-on-a-json-command/37055 "2020-12-07T07:59:27Z")
I'm trying to do a simple thing: Open and close a digital output on a Phidget board. The command is setState(state) and this is what the API says about it: setState(state) The State will dictate whether the output is… --- ## [Add nodes configuration by API](https://discourse.nodered.org/t/add-nodes-configuration-by-api/37078)
**Author:** [@donalddck](https://discourse.nodered.org/u/donalddck)\ **Replies:** 0\ **Last updated:** [6 December 2020 11:48 UTC](https://discourse.nodered.org/t/add-nodes-configuration-by-api/37078 "2020-12-06T11:48:51Z")
Good morning, is it possible add nodes configuration (ex. connection to mqtt... ) by api? For example: I would like to add a list of connections from api and then find these connections within the node configuration. … --- ## [Saving Data in DB at SQLite Function - Help!](https://discourse.nodered.org/t/saving-data-in-db-at-sqlite-function-help/4789)
**Author:** [@wtrk](https://discourse.nodered.org/u/wtrk)\ **Replies:** 60\ **Last updated:** [7 December 2020 06:31 UTC](https://discourse.nodered.org/t/saving-data-in-db-at-sqlite-function-help/4789 "2020-12-07T06:31:15Z")
Hi everyone. I looked almost all SQLite topic and didnt get solve my problem. I created a flow and testing local. Connected DHT11 and 1 cable for test. I can take sensor values and also GPIO port connected or not conn… --- ## [Displaying image to HDMI output port of Raspberry Pi](https://discourse.nodered.org/t/displaying-image-to-hdmi-output-port-of-raspberry-pi/37090)
**Author:** [@sweetwater](https://discourse.nodered.org/u/sweetwater)\ **Replies:** 3\ **Last updated:** [6 December 2020 21:05 UTC](https://discourse.nodered.org/t/displaying-image-to-hdmi-output-port-of-raspberry-pi/37090 "2020-12-06T21:05:19Z")
Here is what we are trying to do: running Node Red on a Raspberry Pi 2.) stored 2 pictures on the PI called, picture1.png or picture2.png 3.) Desired action: output picture1.png or picture2.png to the hdmi output of… --- ## [Raspberry Pi barcode into mysql database](https://discourse.nodered.org/t/raspberry-pi-barcode-into-mysql-database/37087)
**Author:** [@aqueousdan](https://discourse.nodered.org/u/aqueousdan)\ **Replies:** 1\ **Last updated:** [6 December 2020 20:07 UTC](https://discourse.nodered.org/t/raspberry-pi-barcode-into-mysql-database/37087 "2020-12-06T20:07:00Z")
Hi all, Does anyone have any idea how to integrate a barcode scanner output into a database using Nodered? I have managed to get my scanner to output to the raspberry pi as text but i dont know how to get this to enter… --- ## [Issue with rpi keyboard node](https://discourse.nodered.org/t/issue-with-rpi-keyboard-node/36979)
**Author:** [@ttavlis](https://discourse.nodered.org/u/ttavlis)\ **Replies:** 3\ **Last updated:** [6 December 2020 19:16 UTC](https://discourse.nodered.org/t/issue-with-rpi-keyboard-node/36979 "2020-12-06T19:16:52Z")
Dear all, I have been having issues with the rpi keyboard node. From time to time it stops work, i.e the status changes to the red dot. Then I just do whatever update in the flow, e.g. just move a node one pixel up and… --- ## [Object Object in front of message](https://discourse.nodered.org/t/object-object-in-front-of-message/37083)
**Author:** [@cvandingelen](https://discourse.nodered.org/u/cvandingelen)\ **Replies:** 20\ **Last updated:** [6 December 2020 18:59 UTC](https://discourse.nodered.org/t/object-object-in-front-of-message/37083 "2020-12-06T18:59:19Z")
Hi I have 2 questions. For my morning routine, I want my speaker to tell me 'Good morning, Christophe', read my calendar, tell me the weather and de sunrise/sunset times. The first question is for the last two (the wea… --- ## [Socket.io, migrating from 2.x to 3.0](https://discourse.nodered.org/t/socket-io-migrating-from-2-x-to-3-0/36675)
**Author:** [@kevinGodell](https://discourse.nodered.org/u/kevinGodell)\ **Replies:** 17\ **Last updated:** [6 December 2020 18:55 UTC](https://discourse.nodered.org/t/socket-io-migrating-from-2-x-to-3-0/36675 "2020-12-06T18:55:03Z")
release announcement migration guide I see that socket io has released version 3 on November 4th and it has breaking changes. It also states that a v2 client cannot connect to a v3 server, and vice versa. Has there be… --- ## [EZtimer flow examples](https://discourse.nodered.org/t/eztimer-flow-examples/15483)
**Author:** [@gerry](https://discourse.nodered.org/u/gerry)\ **Replies:** 9\ **Last updated:** [6 December 2020 17:41 UTC](https://discourse.nodered.org/t/eztimer-flow-examples/15483 "2020-12-06T17:41:20Z")
Trying to integrate the contrib-eztimer node into a flow. My need is for a timer that can be programmatically set with days and on times. Bigtimer looks great but has limited ability to set days and times programmaticall… --- ## [Flow variable not accessible within assigned string](https://discourse.nodered.org/t/flow-variable-not-accessible-within-assigned-string/37082)
**Author:** [@CreativeWarlock](https://discourse.nodered.org/u/CreativeWarlock)\ **Replies:** 3\ **Last updated:** [6 December 2020 17:33 UTC](https://discourse.nodered.org/t/flow-variable-not-accessible-within-assigned-string/37082 "2020-12-06T17:33:04Z")
Hey guys, I've written a code block inside a function which should read a flow variable called selected\_symbol and writes out a msg.topic. I have made sure that selected\_symbol is properly filled with a string (e.g. "ID… --- ## [Npm Install issues](https://discourse.nodered.org/t/npm-install-issues/37084)
**Author:** [@fogmajor](https://discourse.nodered.org/u/fogmajor)\ **Replies:** 2\ **Last updated:** [6 December 2020 16:08 UTC](https://discourse.nodered.org/t/npm-install-issues/37084 "2020-12-06T16:08:57Z")
Good Afternoon I want to run the following - npm install node-red-contrib-fibaro-devices in your Node-RED user directory - typically ~/.node-red I am new to linux so wondered if someone could please help I connect t… --- ## [How To Compare Three](https://discourse.nodered.org/t/how-to-compare-three/37014)
**Author:** [@rcblackwell](https://discourse.nodered.org/u/rcblackwell)\ **Replies:** 2\ **Last updated:** [6 December 2020 14:38 UTC](https://discourse.nodered.org/t/how-to-compare-three/37014 "2020-12-06T14:38:03Z")
I'm new to Node-Red and coding in general. I'm working on a flow to adjust house lighting based on three states. I've discovered the "Events: State" node is capable of identifying two of the three values that will influe… --- ## [Reformat data from data export. Possibly jsonata?](https://discourse.nodered.org/t/reformat-data-from-data-export-possibly-jsonata/37067)
**Author:** [@Paul-Reed](https://discourse.nodered.org/u/Paul-Reed)\ **Replies:** 8\ **Last updated:** [6 December 2020 13:48 UTC](https://discourse.nodered.org/t/reformat-data-from-data-export-possibly-jsonata/37067 "2020-12-06T13:48:55Z")
I built a dashboard some months ago to analyse local covid data and display it in a way which was quick & easy to digest by my family. But in the past 6 months, PHE (Public Heath England) have changed the format of thei… --- ## [Unable to install node-red-contrib-alexa-home-skill](https://discourse.nodered.org/t/unable-to-install-node-red-contrib-alexa-home-skill/37068)
**Author:** [@dedelajoie](https://discourse.nodered.org/u/dedelajoie)\ **Replies:** 3\ **Last updated:** [6 December 2020 10:06 UTC](https://discourse.nodered.org/t/unable-to-install-node-red-contrib-alexa-home-skill/37068 "2020-12-06T10:06:17Z")
Hello, node red does not want to install this flow I keep on receiving this error : ERR! code EINVALIDTAGNAME \[err\] npm \[err\] ERR! Invalid tag name ""~"3.10.4": Tags may not have any characters that encodeURICompon… --- ## [Timers stored in context fire mqtt payloads when triggered](https://discourse.nodered.org/t/timers-stored-in-context-fire-mqtt-payloads-when-triggered/16325)
**Author:** [@ryanrdetzel](https://discourse.nodered.org/u/ryanrdetzel)\ **Replies:** 7\ **Last updated:** [6 December 2020 05:07 UTC](https://discourse.nodered.org/t/timers-stored-in-context-fire-mqtt-payloads-when-triggered/16325 "2020-12-06T05:07:47Z")
I have a few problems I'm trying to solve. First, not very common but does happen. For fans, lights, etc I have timers to auto shut them off. Think motion lights, bathroom fan, etc. Humidity is too high bathroom fan com… --- ## [Need CSS label help](https://discourse.nodered.org/t/need-css-label-help/37024)
**Author:** [@RASelkirk](https://discourse.nodered.org/u/RASelkirk)\ **Replies:** 14\ **Last updated:** [6 December 2020 00:09 UTC](https://discourse.nodered.org/t/need-css-label-help/37024 "2020-12-06T00:09:25Z")
Hi All, I built a CSS label for my UI and can get the numbers to show, but! I need help finding out what element the "value" is called by so I can manipulate it. All the CSS code I've found so far only works with the la… --- ## [Function with two outputs](https://discourse.nodered.org/t/function-with-two-outputs/37050)
**Author:** [@Urs-Eppenberger](https://discourse.nodered.org/u/Urs-Eppenberger)\ **Replies:** 6\ **Last updated:** [5 December 2020 20:34 UTC](https://discourse.nodered.org/t/function-with-two-outputs/37050 "2020-12-05T20:34:07Z")
Dear colleagues I'm not new to node-red, but I'm no programming experts neither. While working on a flow, I tried to figure out how to create more than one message in a function node. I did read the documentation abou… --- ## [HTML + FTP upload](https://discourse.nodered.org/t/html-ftp-upload/37037)
**Author:** [@nuiler](https://discourse.nodered.org/u/nuiler)\ **Replies:** 8\ **Last updated:** [5 December 2020 20:33 UTC](https://discourse.nodered.org/t/html-ftp-upload/37037 "2020-12-05T20:33:36Z")
feinstaub-flows.json (5.3 KB) I am an absolute beginner. But I have already been able to implement a few small things. Now I want to integrate data from my fine dust sensor on my homepage. The readout of the fine dust s… --- ## [Error: EREMOTEIO: remote I/O error,](https://discourse.nodered.org/t/error-eremoteio-remote-i-o-error/37063)
**Author:** [@gundumbstyle](https://discourse.nodered.org/u/gundumbstyle)\ **Replies:** 1\ **Last updated:** [5 December 2020 18:47 UTC](https://discourse.nodered.org/t/error-eremoteio-remote-i-o-error/37063 "2020-12-05T18:47:14Z")
I am a beginner, and I need help. Node red red won't start. It is saying this: Starting as a systemd service. 5 Dec 10:30:34 - \[info\] Welcome to Node-RED =================== 5 Dec 10:30:34 - \[info\] Node-RED version: v1… [Previous page](https://discourse.nodered.org/c/general/7.md?page=640) [Next page](https://discourse.nodered.org/c/general/7.md?page=642)