# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=896

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

**Page:** 897

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## [Help with performance evaluation for node red flow](https://discourse.nodered.org/t/help-with-performance-evaluation-for-node-red-flow/10034)

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**Author:** [@IlhamQasse](https://discourse.nodered.org/u/IlhamQasse)\
**Replies:** 1\
**Last updated:** [12 April 2019 16:18 UTC](https://discourse.nodered.org/t/help-with-performance-evaluation-for-node-red-flow/10034 "2019-04-12T16:18:42Z")

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I have created node red flow that's is based on hyperledger composer nodes. The flow is working perfectly. What I want to do is a performance evaluation of the created flow (calculate execution time, latency, and through…

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## [\[NEWBIE\] node-red-admin hash-pw](https://discourse.nodered.org/t/newbie-node-red-admin-hash-pw/9994)

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**Author:** [@ERICX25](https://discourse.nodered.org/u/ERICX25)\
**Replies:** 3\
**Last updated:** [12 April 2019 15:34 UTC](https://discourse.nodered.org/t/newbie-node-red-admin-hash-pw/9994 "2019-04-12T15:34:44Z")

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Hi, I have just installed Node-Red on my Qnap (container station) and now I would like to secure it with a password. I understand (https://nodered.org/docs/security) that I need to edit "settings.js" I found such a fi…

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## [How to change the original code of a Node](https://discourse.nodered.org/t/how-to-change-the-original-code-of-a-node/9977)

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**Author:** [@mikel.garmendia](https://discourse.nodered.org/u/mikel.garmendia)\
**Replies:** 3\
**Last updated:** [12 April 2019 15:28 UTC](https://discourse.nodered.org/t/how-to-change-the-original-code-of-a-node/9977 "2019-04-12T15:28:06Z")

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Hello! I am using the node-red-contrib-google-iot-core (version 0.0.4) to connect via MQTT with my Google IoT Broker. I want to change a little bit the code of this Node. Is that possible? I want to change the code th…

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## [Ftp get crashes node-red](https://discourse.nodered.org/t/ftp-get-crashes-node-red/9963)

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**Author:** [@Soft4](https://discourse.nodered.org/u/Soft4)\
**Replies:** 7\
**Last updated:** [12 April 2019 15:26 UTC](https://discourse.nodered.org/t/ftp-get-crashes-node-red/9963 "2019-04-12T15:26:40Z")

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Probleem met ftp get (node-red-contrib-ftp). Volgens mij zit het probleem in het wegschrijven van de file naar de local directorie. Maar ik kan het niet vinden. Als ik de ftp node (met get functie) verbind, dan crasht no…

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## [Python Shell node](https://discourse.nodered.org/t/python-shell-node/10055)

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**Author:** [@ApiAsylum](https://discourse.nodered.org/u/ApiAsylum)\
**Replies:** 12\
**Last updated:** [12 April 2019 15:08 UTC](https://discourse.nodered.org/t/python-shell-node/10055 "2019-04-12T15:08:50Z")

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Hi, I'm facing error as "pyfile not exist" in PYTHONSHELL NODE after declaring the path,

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## [Multiple inputs to save into a file! failed to write to file: Error: write after end](https://discourse.nodered.org/t/multiple-inputs-to-save-into-a-file-failed-to-write-to-file-error-write-after-end/10058)

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**Author:** [@xoani](https://discourse.nodered.org/u/xoani)\
**Replies:** 8\
**Last updated:** [12 April 2019 09:47 UTC](https://discourse.nodered.org/t/multiple-inputs-to-save-into-a-file-failed-to-write-to-file-error-write-after-end/10058 "2019-04-12T09:47:36Z")

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Hello, I am saving the output of a python script that I am running on node-RED into a local file. Because the output is too long (I am guessing), it comes in two message.payload right next to the other. I want to save th…

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## [Send payload when certain event is received X number of times within specified timeframe](https://discourse.nodered.org/t/send-payload-when-certain-event-is-received-x-number-of-times-within-specified-timeframe/5460)

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**Author:** [@TheSauce](https://discourse.nodered.org/u/TheSauce)\
**Replies:** 16\
**Last updated:** [11 April 2019 19:11 UTC](https://discourse.nodered.org/t/send-payload-when-certain-event-is-received-x-number-of-times-within-specified-timeframe/5460 "2019-04-11T19:11:08Z")

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I know that title might be confusing but I couldn't think of another way to say it. I have an application where I will be receiving events from dozens (possibly hundreds) of devices. I don't care about the event if it …

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## [Locked out of replying to my post, due to too many posts on 1st day :(](https://discourse.nodered.org/t/locked-out-of-replying-to-my-post-due-to-too-many-posts-on-1st-day/10030)

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**Author:** [@swiftnesses](https://discourse.nodered.org/u/swiftnesses)\
**Replies:** 1\
**Last updated:** [11 April 2019 15:56 UTC](https://discourse.nodered.org/t/locked-out-of-replying-to-my-post-due-to-too-many-posts-on-1st-day/10030 "2019-04-11T15:56:39Z")

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Can someone help, please?

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## [Serial port message console](https://discourse.nodered.org/t/serial-port-message-console/10029)

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**Author:** [@hathemi](https://discourse.nodered.org/u/hathemi)\
**Replies:** 1\
**Last updated:** [11 April 2019 15:31 UTC](https://discourse.nodered.org/t/serial-port-message-console/10029 "2019-04-11T15:31:48Z")

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can anyone explain me what's WF2 and AC refers to ?? i keep getting this message in console each tie i deploay serial port node ..

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## [Function payload to tagpath ignition write problem](https://discourse.nodered.org/t/function-payload-to-tagpath-ignition-write-problem/10006)

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**Author:** [@jch360](https://discourse.nodered.org/u/jch360)\
**Replies:** 8\
**Last updated:** [11 April 2019 14:22 UTC](https://discourse.nodered.org/t/function-payload-to-tagpath-ignition-write-problem/10006 "2019-04-11T14:22:59Z")

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I am wanting to use this function to push my msg.payload and push to the tag path of the ignition module which should be msg.payload.tagpath. I am doing something wrong in my function module, any ideas on how I can acco…

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## [Paths in nodes for node-red local directory](https://discourse.nodered.org/t/paths-in-nodes-for-node-red-local-directory/9999)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 8\
**Last updated:** [11 April 2019 11:30 UTC](https://discourse.nodered.org/t/paths-in-nodes-for-node-red-local-directory/9999 "2019-04-11T11:30:07Z")

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I am stuck with using a node (ui\_media) and how to set the path. I am reading that I need to point to the public directory. I've done this before with nodes to set background images on pages. The difference is that th…

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## [Redirect from post to get](https://discourse.nodered.org/t/redirect-from-post-to-get/9939)

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**Author:** [@tukru](https://discourse.nodered.org/u/tukru)\
**Replies:** 3\
**Last updated:** [11 April 2019 11:36 UTC](https://discourse.nodered.org/t/redirect-from-post-to-get/9939 "2019-04-11T11:36:43Z")

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Hi, I am new with node-red. I have the following URL: (GET) /test/login, (POST) /test/login and (GET) /test/global. The problem it's how to go from (POST) /test/login to (GET) /test/global. I tried the following solut…

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## [Trying to upgrade NR v0.19.? to v0.20.5 on a RPi3+](https://discourse.nodered.org/t/trying-to-upgrade-nr-v0-19-to-v0-20-5-on-a-rpi3/9978)

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**Author:** [@karlbaker](https://discourse.nodered.org/u/karlbaker)\
**Replies:** 12\
**Last updated:** [11 April 2019 11:16 UTC](https://discourse.nodered.org/t/trying-to-upgrade-nr-v0-19-to-v0-20-5-on-a-rpi3/9978 "2019-04-11T11:16:28Z")

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Hi, I have a relatively fresh install on a RPi3+ with a RAZBERRY2 Z-Wave smart home gateway installed. I'm currently running the upgrade using the upgrade script command: bash \<(curl -sL https://raw.githubusercontent.c…

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## [How to transfer data from Node-RED (message.payload) to Azure Blob Storage?](https://discourse.nodered.org/t/how-to-transfer-data-from-node-red-message-payload-to-azure-blob-storage/9764)

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**Author:** [@xoani](https://discourse.nodered.org/u/xoani)\
**Replies:** 10\
**Last updated:** [11 April 2019 10:46 UTC](https://discourse.nodered.org/t/how-to-transfer-data-from-node-red-message-payload-to-azure-blob-storage/9764 "2019-04-11T10:46:44Z")

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I have a python script that retrieves data from a smart plug (to monitor energy consumption from devices). My end goal is to analyze this data with Stream Analytics and therefore I need to send it to a database in Micros…

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## [How to use ms.parms with SQLite node?](https://discourse.nodered.org/t/how-to-use-ms-parms-with-sqlite-node/10012)

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**Author:** [@swiftnesses](https://discourse.nodered.org/u/swiftnesses)\
**Replies:** 1\
**Last updated:** [11 April 2019 07:32 UTC](https://discourse.nodered.org/t/how-to-use-ms-parms-with-sqlite-node/10012 "2019-04-11T07:32:01Z")

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Hello, After hours of trying, I can't work out how to use params with the SQLite node? I'm using this simple test flow... \[ { "id": "100169b1.407656", "type": "tab", "label": "Flow 2", …

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## [Need help! an error happpened, i cant deploy NR](https://discourse.nodered.org/t/need-help-an-error-happpened-i-cant-deploy-nr/10003)

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**Author:** [@qgc007](https://discourse.nodered.org/u/qgc007)\
**Replies:** 1\
**Last updated:** [11 April 2019 05:39 UTC](https://discourse.nodered.org/t/need-help-an-error-happpened-i-cant-deploy-nr/10003 "2019-04-11T05:39:52Z")

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The flow was stopped because an unknown node exists, postgresdb i delete all postgresql node\_modules ,but it didnt work

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## [SQlite database possible corruption, needs database removed](https://discourse.nodered.org/t/sqlite-database-possible-corruption-needs-database-removed/10001)

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**Author:** [@Raj](https://discourse.nodered.org/u/Raj)\
**Replies:** 1\
**Last updated:** [11 April 2019 00:14 UTC](https://discourse.nodered.org/t/sqlite-database-possible-corruption-needs-database-removed/10001 "2019-04-11T00:14:44Z")

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I have two pi 3 B's with an identical build. One has started to give me issues with one of its SQLite databases, the other works as it should. Usually when I create a new database, the command together with the database…

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## [Capturing all nodes identified by search - how? \[navigation\]](https://discourse.nodered.org/t/capturing-all-nodes-identified-by-search-how-navigation/9967)

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**Author:** [@nicholas](https://discourse.nodered.org/u/nicholas)\
**Replies:** 6\
**Last updated:** [10 April 2019 21:52 UTC](https://discourse.nodered.org/t/capturing-all-nodes-identified-by-search-how-navigation/9967 "2019-04-10T21:52:43Z")

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Hey guys! I maintain internal tooling at my office, and we're switching from database X to database Y. Most of the tools are based on Node-RED flows which output to the database using HTTP request nodes. Migration to …

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## [Email successfully sent : status report missing](https://discourse.nodered.org/t/email-successfully-sent-status-report-missing/9565)

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**Author:** [@mike67](https://discourse.nodered.org/u/mike67)\
**Replies:** 18\
**Last updated:** [10 April 2019 19:49 UTC](https://discourse.nodered.org/t/email-successfully-sent-status-report-missing/9565 "2019-04-10T19:49:32Z")

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Hello I was using NodeRed 0.19. When I sent an email, I could get some status information. The status data were like this while sending : 29/03/2019 à 09:47:31\[node: f0727040.30f1e\](http://192.168.10.19:1880/#)msg : …

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## [Passing multiple commands delayed to same process / PID](https://discourse.nodered.org/t/passing-multiple-commands-delayed-to-same-process-pid/9909)

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**Author:** [@Inso](https://discourse.nodered.org/u/Inso)\
**Replies:** 2\
**Last updated:** [10 April 2019 14:49 UTC](https://discourse.nodered.org/t/passing-multiple-commands-delayed-to-same-process-pid/9909 "2019-04-10T14:49:19Z")

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Hi, I have a n AVR which I only can command (including answers) using a telnet connection. The connection has to be reset after every command. After reding for hours about telnet and NodeRed with no conclusion, I decid…

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## [Functionality problem](https://discourse.nodered.org/t/functionality-problem/9990)

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**Author:** [@ihebabidi](https://discourse.nodered.org/u/ihebabidi)\
**Replies:** 2\
**Last updated:** [10 April 2019 14:41 UTC](https://discourse.nodered.org/t/functionality-problem/9990 "2019-04-10T14:41:37Z")

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hello all ! im using two flows, im using a modbus tcp node to get DATA from a PLC in the first one and an SNMP node to get data from a sensor in the second one,each one works if disable the other,when i deploy them tog…

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## [Firebase to NODE-RED](https://discourse.nodered.org/t/firebase-to-node-red/9575)

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**Author:** [@chirag](https://discourse.nodered.org/u/chirag)\
**Replies:** 7\
**Last updated:** [10 April 2019 11:20 UTC](https://discourse.nodered.org/t/firebase-to-node-red/9575 "2019-04-10T11:20:30Z")

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I sent the data to firebas from NODE-RED. now i am trying to get data into NODE-RED from fire base. kindly help to fill up data as mention in snapshot. please guide me for the same.

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## [Importing Package](https://discourse.nodered.org/t/importing-package/9900)

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**Author:** [@Trainocate](https://discourse.nodered.org/u/Trainocate)\
**Replies:** 16\
**Last updated:** [10 April 2019 10:55 UTC](https://discourse.nodered.org/t/importing-package/9900 "2019-04-10T10:55:53Z")

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When i tried to run this code in function node i get an error as ""ReferenceError: require is not defined ", please guide us How to use 'Request' Package in Node-red environment?

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## [Creating a data driven line animation](https://discourse.nodered.org/t/creating-a-data-driven-line-animation/9971)

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**Author:** [@JamsawColPH](https://discourse.nodered.org/u/JamsawColPH)\
**Replies:** 8\
**Last updated:** [10 April 2019 09:08 UTC](https://discourse.nodered.org/t/creating-a-data-driven-line-animation/9971 "2019-04-10T09:08:48Z")

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A good day to everyone! Anyone here doing some sort of animating lines vertically and horizontally using the data obtained? I search on the internet but I found nothing on it related to my concern. My goal is to creat…

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## [Autostart node-red on Windows](https://discourse.nodered.org/t/autostart-node-red-on-windows/9975)

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**Author:** [@JokinSegu](https://discourse.nodered.org/u/JokinSegu)\
**Replies:** 1\
**Last updated:** [10 April 2019 09:05 UTC](https://discourse.nodered.org/t/autostart-node-red-on-windows/9975 "2019-04-10T09:05:42Z")

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I have installed node-red on windows but if I close the cmd the Node-Red shuts down so how can I set up the Autostart in windows?

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## [Handling session timeout](https://discourse.nodered.org/t/handling-session-timeout/9919)

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**Author:** [@sreevidyaJ](https://discourse.nodered.org/u/sreevidyaJ)\
**Replies:** 1\
**Last updated:** [10 April 2019 06:29 UTC](https://discourse.nodered.org/t/handling-session-timeout/9919 "2019-04-10T06:29:44Z")

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Hi Team, we have integrated keycloak-connect with nodered for authentication. when session expires, we want to redirect to login page for re-authentication and user should be able to resume their work. For example if …

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## [How to get flow id by function node](https://discourse.nodered.org/t/how-to-get-flow-id-by-function-node/9889)

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**Author:** [@qgc007](https://discourse.nodered.org/u/qgc007)\
**Replies:** 5\
**Last updated:** [10 April 2019 03:23 UTC](https://discourse.nodered.org/t/how-to-get-flow-id-by-function-node/9889 "2019-04-10T03:23:30Z")

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how to get flow id by function node? the way get node id:

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## [Reporting and Graph](https://discourse.nodered.org/t/reporting-and-graph/9661)

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**Author:** [@asharm0502](https://discourse.nodered.org/u/asharm0502)\
**Replies:** 7\
**Last updated:** [10 April 2019 02:11 UTC](https://discourse.nodered.org/t/reporting-and-graph/9661 "2019-04-10T02:11:36Z")

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Hi I have two basic requirements which I am not able to do it. I will list my issues in points. I want to create a report. I can log data from various sensors to MSSQL and from MSSQL to excel file using node-red succ…

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## [Email alert with function node](https://discourse.nodered.org/t/email-alert-with-function-node/9951)

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**Author:** [@JokinSegu](https://discourse.nodered.org/u/JokinSegu)\
**Replies:** 10\
**Last updated:** [9 April 2019 20:02 UTC](https://discourse.nodered.org/t/email-alert-with-function-node/9951 "2019-04-09T20:02:08Z")

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Hi, I am trying to send a notification when I receive a true signal from the PLC. I get the email correctly when it is in true whith thext right text, but it also sends an email when it is false just with the false word …

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## [MSSQL connection and programming in a 'Function' vs. using MSSQL nodes](https://discourse.nodered.org/t/mssql-connection-and-programming-in-a-function-vs-using-mssql-nodes/9904)

<div class="topic-metadata">

**Author:** [@tree-frog](https://discourse.nodered.org/u/tree-frog)\
**Replies:** 8\
**Last updated:** [9 April 2019 19:23 UTC](https://discourse.nodered.org/t/mssql-connection-and-programming-in-a-function-vs-using-mssql-nodes/9904 "2019-04-09T19:23:28Z")

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I've had some trouble in the recent past with the pre-definded MSSQL nodes and connection errors. Errors are recent with newer versions installed. One option is to revert to prior versions. I'm not sure if these are…

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