# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=798

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

**Page:** 799

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## [Find server hit of installing nodes](https://discourse.nodered.org/t/find-server-hit-of-installing-nodes/21347)

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**Author:** [@DemonKing](https://discourse.nodered.org/u/DemonKing)\
**Replies:** 2\
**Last updated:** [6 February 2020 12:08 UTC](https://discourse.nodered.org/t/find-server-hit-of-installing-nodes/21347 "2020-02-06T12:08:53Z")

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Hi sir, I am going to install following nodes : 1 .npm install node-red-contrib-cron-plus 2 .npm install node-red-node-email and i am working in a secure work space . here everything in blocked so they asking which…

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## [Get stock values for a specific paper?](https://discourse.nodered.org/t/get-stock-values-for-a-specific-paper/21345)

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**Author:** [@Golonder](https://discourse.nodered.org/u/Golonder)\
**Replies:** 0\
**Last updated:** [6 February 2020 10:49 UTC](https://discourse.nodered.org/t/get-stock-values-for-a-specific-paper/21345 "2020-02-06T10:49:52Z")

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Hi, I am looking for a way to load e.g. Tesla stock figures in a 5min schedule into my Node-Red. Did somebody do this already ? Is there a reliable source of proper formattet JSON packages for this kind of data ? BR …

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## [gBridge service closing](https://discourse.nodered.org/t/gbridge-service-closing/21343)

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**Author:** [@Paul-Reed](https://discourse.nodered.org/u/Paul-Reed)\
**Replies:** 0\
**Last updated:** [6 February 2020 10:09 UTC](https://discourse.nodered.org/t/gbridge-service-closing/21343 "2020-02-06T10:09:26Z")

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For information, the gBridge service will be closing 15th March. Although it's still working now, it hasn't been supported for some time, so not totally unexpected... The gBridge service will be shut down on 15th March…

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## [How to subscribe to multiple clients in websocket node](https://discourse.nodered.org/t/how-to-subscribe-to-multiple-clients-in-websocket-node/21333)

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**Author:** [@VIKRAMAS](https://discourse.nodered.org/u/VIKRAMAS)\
**Replies:** 2\
**Last updated:** [6 February 2020 09:55 UTC](https://discourse.nodered.org/t/how-to-subscribe-to-multiple-clients-in-websocket-node/21333 "2020-02-06T09:55:13Z")

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I am customizing websocket node for subscribing to multiple comma separated node. I found the source code https://github.com/node-red/node-red/blob/master/test/nodes/core/network/22-websocket\_spec.js but how can I modify…

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## [Fetch data from actility into node-red](https://discourse.nodered.org/t/fetch-data-from-actility-into-node-red/21289)

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**Author:** [@F108](https://discourse.nodered.org/u/F108)\
**Replies:** 3\
**Last updated:** [6 February 2020 08:00 UTC](https://discourse.nodered.org/t/fetch-data-from-actility-into-node-red/21289 "2020-02-06T08:00:20Z")

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Hey, right now im having trouble in connecting (The idea is to fetch data) from thingpark actility into node-red. is there any guideline or tutorial that focus more on this?

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## [Node to control color bulb?](https://discourse.nodered.org/t/node-to-control-color-bulb/21158)

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**Author:** [@kanke](https://discourse.nodered.org/u/kanke)\
**Replies:** 9\
**Last updated:** [6 February 2020 05:30 UTC](https://discourse.nodered.org/t/node-to-control-color-bulb/21158 "2020-02-06T05:30:46Z")

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I got a few Feit color bulbs from Costco flashed tasmota it. Is there any node that I can use to control the brightness, warmness, and color? I guess the call service should work too but is there any document what exactl…

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## [From data picker node to UTC](https://discourse.nodered.org/t/from-data-picker-node-to-utc/21026)

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**Author:** [@NODE777](https://discourse.nodered.org/u/NODE777)\
**Replies:** 10\
**Last updated:** [6 February 2020 04:50 UTC](https://discourse.nodered.org/t/from-data-picker-node-to-utc/21026 "2020-02-06T04:50:42Z")

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Hi I would need to convert to ms UTC from the selected data with the date selector node in order to make a sqlite query using the SELECT clause to my db. The db only includes the UTC time. I'm using the data picker no…

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## [Execute java script file from node red](https://discourse.nodered.org/t/execute-java-script-file-from-node-red/21313)

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**Author:** [@akhtar321h](https://discourse.nodered.org/u/akhtar321h)\
**Replies:** 4\
**Last updated:** [6 February 2020 04:31 UTC](https://discourse.nodered.org/t/execute-java-script-file-from-node-red/21313 "2020-02-06T04:31:06Z")

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I want to execute a java script file from node red. how can i execute the file from node red. Please help me out for executing the file from node red.

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## [How to reset a MSSQL node from an error state](https://discourse.nodered.org/t/how-to-reset-a-mssql-node-from-an-error-state/21263)

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**Author:** [@l.matera](https://discourse.nodered.org/u/l.matera)\
**Replies:** 10\
**Last updated:** [5 February 2020 21:22 UTC](https://discourse.nodered.org/t/how-to-reset-a-mssql-node-from-an-error-state/21263 "2020-02-05T21:22:12Z")

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Hello, I have a problem with MSSQL nodes. When I can't connect to a database through an MSSQL node, after the timeout, the node goes into an "Failed to connect to ... in 15000 ms" error state. At the next attempt, tri…

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## [Postgres and postgresdb nodes missing](https://discourse.nodered.org/t/postgres-and-postgresdb-nodes-missing/21323)

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**Author:** [@Damorck](https://discourse.nodered.org/u/Damorck)\
**Replies:** 0\
**Last updated:** [5 February 2020 20:01 UTC](https://discourse.nodered.org/t/postgres-and-postgresdb-nodes-missing/21323 "2020-02-05T20:01:41Z")

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Hi there I´ve been struggling with this and read related topics, but no one with a working solution. I´m on a rasbbery pi 4 model B, Node-RED v. 1.03 and Node.js v.12.14.1. After multiple reinstalls same errors occurs…

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## [How to trigger a node-red flow from shell script process or from systemctl service](https://discourse.nodered.org/t/how-to-trigger-a-node-red-flow-from-shell-script-process-or-from-systemctl-service/21300)

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**Author:** [@Jasper](https://discourse.nodered.org/u/Jasper)\
**Replies:** 10\
**Last updated:** [5 February 2020 14:19 UTC](https://discourse.nodered.org/t/how-to-trigger-a-node-red-flow-from-shell-script-process-or-from-systemctl-service/21300 "2020-02-05T14:19:24Z")

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hello everyone, I would like to know if is possible trigger a node-red flow from a shell script process or from a systemctl service when the server is started up. Could you help me? Thank you in advance

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## ["Reference error: require is not defined (line1,col 13)](https://discourse.nodered.org/t/reference-error-require-is-not-defined-line1-col-13/21310)

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**Author:** [@akhtar321h](https://discourse.nodered.org/u/akhtar321h)\
**Replies:** 3\
**Last updated:** [5 February 2020 14:17 UTC](https://discourse.nodered.org/t/reference-error-require-is-not-defined-line1-col-13/21310 "2020-02-05T14:17:18Z")

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var redis = require('redis');var client = redis.createClient(6379,'localhost'); //creates a new client client.on('connect', function() { console.log('connected'); }); client.hget("Hash","key", function(err, reply) { …

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## [Node Red printing bank statement](https://discourse.nodered.org/t/node-red-printing-bank-statement/21294)

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**Author:** [@sokomm](https://discourse.nodered.org/u/sokomm)\
**Replies:** 6\
**Last updated:** [5 February 2020 13:56 UTC](https://discourse.nodered.org/t/node-red-printing-bank-statement/21294 "2020-02-05T13:56:01Z")

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Hello Is it possible in NR to make a flow that checks for mails whit PDF attached files and print them out? I have a dedicated email adres for bank statements. And a network attached printer. Thanks

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## [Extract value from message](https://discourse.nodered.org/t/extract-value-from-message/21305)

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**Author:** [@Abigor](https://discourse.nodered.org/u/Abigor)\
**Replies:** 3\
**Last updated:** [5 February 2020 13:40 UTC](https://discourse.nodered.org/t/extract-value-from-message/21305 "2020-02-05T13:40:30Z")

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Hi, I'm trying to figure out how to extract the value from following message: "a100=16974\\x03" The value I want is the digits after the "=", but excluding the "\\x03". The value can be 0 - 65535 (2byte) I've tried to …

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## [Settings.js moved to root](https://discourse.nodered.org/t/settings-js-moved-to-root/21250)

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**Author:** [@muggins](https://discourse.nodered.org/u/muggins)\
**Replies:** 12\
**Last updated:** [5 February 2020 11:31 UTC](https://discourse.nodered.org/t/settings-js-moved-to-root/21250 "2020-02-05T11:31:28Z")

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Can anyone help please I have been backing up my node-red flows regularly, but something strange has changed and my backup files are now being ignored. I deleted settings.js and it is not being re-created. Does this me…

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## [Issues with creating different projects](https://discourse.nodered.org/t/issues-with-creating-different-projects/21303)

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**Author:** [@Unikumet](https://discourse.nodered.org/u/Unikumet)\
**Replies:** 1\
**Last updated:** [5 February 2020 10:44 UTC](https://discourse.nodered.org/t/issues-with-creating-different-projects/21303 "2020-02-05T10:44:52Z")

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Hi, I'm currently trying to understand how to create separate node-red projects, but as of now I'm stuck in place. I have read the https://nodered.org/docs/user-guide/projects/ guide and followed the instructions up un…

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## [Fetching data from redis database](https://discourse.nodered.org/t/fetching-data-from-redis-database/21292)

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**Author:** [@Iliyas](https://discourse.nodered.org/u/Iliyas)\
**Replies:** 17\
**Last updated:** [5 February 2020 10:34 UTC](https://discourse.nodered.org/t/fetching-data-from-redis-database/21292 "2020-02-05T10:34:36Z")

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Hello, I have some data in redis stored in database, how can I fetch that data from that redis in node-red please help me out...

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## [Send several messages to a single MQTT output for a matrix display](https://discourse.nodered.org/t/send-several-messages-to-a-single-mqtt-output-for-a-matrix-display/21298)

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**Author:** [@foskolo](https://discourse.nodered.org/u/foskolo)\
**Replies:** 5\
**Last updated:** [5 February 2020 10:16 UTC](https://discourse.nodered.org/t/send-several-messages-to-a-single-mqtt-output-for-a-matrix-display/21298 "2020-02-05T10:16:34Z")

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Hi, I'm trying to send some values from sensors in my house (temperatures, door switches...) to a single line matrix display (1x8) which is connected to a Wemos (ESP8266). For single sensor all works fine. Now I want…

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## [INA219 install woes](https://discourse.nodered.org/t/ina219-install-woes/21267)

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**Author:** [@muggins](https://discourse.nodered.org/u/muggins)\
**Replies:** 11\
**Last updated:** [5 February 2020 09:32 UTC](https://discourse.nodered.org/t/ina219-install-woes/21267 "2020-02-05T09:32:41Z")

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I have a fresh install of Buster + node red (RPI 3b+) and am building up my system again from scratch. All my modules install fine except for ...npm install ina219 It fails every time with error messages too nume…

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## [HueMagic: How to query states (and get rid of a feedback-loop)?](https://discourse.nodered.org/t/huemagic-how-to-query-states-and-get-rid-of-a-feedback-loop/21301)

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**Author:** [@Spampunk](https://discourse.nodered.org/u/Spampunk)\
**Replies:** 0\
**Last updated:** [5 February 2020 09:09 UTC](https://discourse.nodered.org/t/huemagic-how-to-query-states-and-get-rid-of-a-feedback-loop/21301 "2020-02-05T09:09:24Z")

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Hello everybody, I have built a flow to increase the color temperature of a Hue group. The point is that this flow is increasing the ct automatically, somehow I have got a feedback. The HueMagic Group Node: The JS…

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## [Node-js with Redis](https://discourse.nodered.org/t/node-js-with-redis/15708)

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**Author:** [@Sanjaycoder-r](https://discourse.nodered.org/u/Sanjaycoder-r)\
**Replies:** 11\
**Last updated:** [5 February 2020 09:14 UTC](https://discourse.nodered.org/t/node-js-with-redis/15708 "2020-02-05T09:14:03Z")

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var redis = context.global.get('redis'); client = redis.createClient(6379,'localhost'); var test=client.hget('hash key','hashtest 1', function(err, results) { if (err) { } else { // do something with results consol…

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## [Node red wont't start - erro](https://discourse.nodered.org/t/node-red-wontt-start-erro/21287)

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**Author:** [@Bonzo](https://discourse.nodered.org/u/Bonzo)\
**Replies:** 0\
**Last updated:** [5 February 2020 00:34 UTC](https://discourse.nodered.org/t/node-red-wontt-start-erro/21287 "2020-02-05T00:34:41Z")

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Hi all - new to the forum and node red. I installed node red last night and it a working fine. I wanted to use a gauge so tonight I installed node-red-dashboard. I must have done something wrong cause now I can't get …

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## [Color-coded Debugger entries](https://discourse.nodered.org/t/color-coded-debugger-entries/21274)

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**Author:** [@neil.lindberg](https://discourse.nodered.org/u/neil.lindberg)\
**Replies:** 2\
**Last updated:** [4 February 2020 19:06 UTC](https://discourse.nodered.org/t/color-coded-debugger-entries/21274 "2020-02-04T19:06:02Z")

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I'd like to color code debug levels and/or put a flag to say, "My color." Scenario: QA guy is hitting NodeRED app while I'm trying to squash bugs reported by QA guy. However, in my testing I'm attempting to watch while …

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## [Basic send data to firebase have problem](https://discourse.nodered.org/t/basic-send-data-to-firebase-have-problem/21144)

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**Author:** [@Yortz](https://discourse.nodered.org/u/Yortz)\
**Replies:** 1\
**Last updated:** [4 February 2020 17:51 UTC](https://discourse.nodered.org/t/basic-send-data-to-firebase-have-problem/21144 "2020-02-04T17:51:07Z")

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I try to send basic number to Firebase. I choose this node for send data to Firebase (https://flows.nodered.org/node/node-red-firebase) I just try to send bassic timestamp to my firebase and the error appear as shown in…

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## [Problem with number converting from mqtt retained messages](https://discourse.nodered.org/t/problem-with-number-converting-from-mqtt-retained-messages/21077)

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**Author:** [@Ragnarre](https://discourse.nodered.org/u/Ragnarre)\
**Replies:** 20\
**Last updated:** [4 February 2020 17:35 UTC](https://discourse.nodered.org/t/problem-with-number-converting-from-mqtt-retained-messages/21077 "2020-02-04T17:35:56Z")

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Hello. Im having difficulties converting data i think. node named "juhtimine" does not output numbers as i think it should. I have no previous experiences with javascript. Heres the flow, i hope real programmers underst…

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## [Run multiple projects at the same time](https://discourse.nodered.org/t/run-multiple-projects-at-the-same-time/4883)

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**Author:** [@James1976](https://discourse.nodered.org/u/James1976)\
**Replies:** 9\
**Last updated:** [4 February 2020 17:02 UTC](https://discourse.nodered.org/t/run-multiple-projects-at-the-same-time/4883 "2020-02-04T17:02:03Z")

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Guys, I would like to run multiple projects at the same time. Could you please guide me to implement this? Thanks

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## [Python node passing data to mqtt/debug](https://discourse.nodered.org/t/python-node-passing-data-to-mqtt-debug/21203)

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**Author:** [@krizniq](https://discourse.nodered.org/u/krizniq)\
**Replies:** 14\
**Last updated:** [4 February 2020 15:59 UTC](https://discourse.nodered.org/t/python-node-passing-data-to-mqtt-debug/21203 "2020-02-04T15:59:32Z")

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Hello, I'm trying to use python function which will be triggered each x minutes ... (mainly because of learning experience, as I have it crontabed anyways) I'm using node-red-contrib-python-function but I'm having diffi…

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## [Automatic trigger from 0 to 12](https://discourse.nodered.org/t/automatic-trigger-from-0-to-12/21256)

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**Author:** [@MKaiser96](https://discourse.nodered.org/u/MKaiser96)\
**Replies:** 3\
**Last updated:** [4 February 2020 15:47 UTC](https://discourse.nodered.org/t/automatic-trigger-from-0-to-12/21256 "2020-02-04T15:47:21Z")

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Hi, I have a new problem. I want to automatically trigger numbers from 0 to 12 (step size 1). I want to get the forecast from the dwdweather node. 0 means the actual weather. 1 means the weather in 1 hour. And so on. So…

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## [Example for home assistant sensor node?](https://discourse.nodered.org/t/example-for-home-assistant-sensor-node/21264)

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**Author:** [@kanke](https://discourse.nodered.org/u/kanke)\
**Replies:** 0\
**Last updated:** [4 February 2020 14:36 UTC](https://discourse.nodered.org/t/example-for-home-assistant-sensor-node/21264 "2020-02-04T14:36:49Z")

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I can't figure out how to use sensor node from home assistant node, anyone can give some examples? thank you.

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## [Swagger path to access directly from browser](https://discourse.nodered.org/t/swagger-path-to-access-directly-from-browser/21197)

<div class="topic-metadata">

**Author:** [@softy2k](https://discourse.nodered.org/u/softy2k)\
**Replies:** 10\
**Last updated:** [4 February 2020 13:54 UTC](https://discourse.nodered.org/t/swagger-path-to-access-directly-from-browser/21197 "2020-02-04T13:54:54Z")

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Hello, I use Node-RED version 1.0.3 and Node.js version 10.18.1 I installed node-red-node-swagger and all is OK. But, I don\`t know what to do to access swagger , directly from browser , like http://localhost:1880/sw…

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