# General **URL:** https://discourse.nodered.org/c/general/7.md?page=657 [Latest](https://discourse.nodered.org/latest.md) · [Categories](https://discourse.nodered.org/categories.md) · [Tags](https://discourse.nodered.org/tags.md) **Page:** 658 --- ## [Is there a command line command to restart deployed node red flows?](https://discourse.nodered.org/t/is-there-a-command-line-command-to-restart-deployed-node-red-flows/35506)
**Author:** [@kes](https://discourse.nodered.org/u/kes)\ **Replies:** 1\ **Last updated:** [7 November 2020 16:44 UTC](https://discourse.nodered.org/t/is-there-a-command-line-command-to-restart-deployed-node-red-flows/35506 "2020-11-07T16:44:56Z")
Is there a command line command to restart deployed node red flows? I know I can restart node-red with cd /home/pi/.node-red; node-red restart Can I restart deployed flows from the command line without a full restart? … --- ## [Telnet Connection Node Missing after install](https://discourse.nodered.org/t/telnet-connection-node-missing-after-install/35329)
**Author:** [@Nailik](https://discourse.nodered.org/u/Nailik)\ **Replies:** 20\ **Last updated:** [7 November 2020 15:31 UTC](https://discourse.nodered.org/t/telnet-connection-node-missing-after-install/35329 "2020-11-07T15:31:08Z")
Hi, i want to use the https://flows.nodered.org/node/node-red-contrib-telnet-client Telnet Node. When i install i can setup the telnet connection, but when i want to deploy it i get an error that says that the telnet c… --- ## [Running Node-RED in Intel-SGX](https://discourse.nodered.org/t/running-node-red-in-intel-sgx/35499)
**Author:** [@carllei1](https://discourse.nodered.org/u/carllei1)\ **Replies:** 0\ **Last updated:** [7 November 2020 14:15 UTC](https://discourse.nodered.org/t/running-node-red-in-intel-sgx/35499 "2020-11-07T14:15:59Z")
I am attempting to run Node-RED using Intel-SGX because I want to secure its data in runtime. I was wondering whether anyone has made Node-RED compatible with Intel-SGX either by changing the code or running it on a libr… --- ## [Extract values JSON string from pcap](https://discourse.nodered.org/t/extract-values-json-string-from-pcap/35436)
**Author:** [@rparada](https://discourse.nodered.org/u/rparada)\ **Replies:** 32\ **Last updated:** [7 November 2020 13:04 UTC](https://discourse.nodered.org/t/extract-values-json-string-from-pcap/35436 "2020-11-07T13:04:38Z")
I cannot extract a given value from a JSON string "{"link\_type":"LINKTYPE\_ETHERNET","pcap\_header":{"tv\_sec":1604652189,"tv\_usec":589164,"caplen":141,"len":141},"payload":{"dhost":{"addr":\[128,120,113,67,87,122\]},"shost"… --- ## [3rd Party UDP board](https://discourse.nodered.org/t/3rd-party-udp-board/35493)
**Author:** [@fogmajor](https://discourse.nodered.org/u/fogmajor)\ **Replies:** 2\ **Last updated:** [7 November 2020 12:07 UTC](https://discourse.nodered.org/t/3rd-party-udp-board/35493 "2020-11-07T12:07:45Z")
I have a 16 channel UDP controlled I/O board. I use node red to monitor the state of the inputs and if for example input 1 changes state I broadcast via MQTT and I can see this change in home assistant when monitoring … --- ## [Cron Plus Node Date Sequence](https://discourse.nodered.org/t/cron-plus-node-date-sequence/35484)
**Author:** [@jaswalters](https://discourse.nodered.org/u/jaswalters)\ **Replies:** 1\ **Last updated:** [7 November 2020 06:58 UTC](https://discourse.nodered.org/t/cron-plus-node-date-sequence/35484 "2020-11-07T06:58:37Z")
I'm attempting to use the Cron Plus node. It states you can use date time sequences but I cannot get them to work. Date or Date Sequence Format... When you wish to use a fixed date or sequence of dates, the expressi… --- ## [MSSQL to CSV to E-mail](https://discourse.nodered.org/t/mssql-to-csv-to-e-mail/35353)
**Author:** [@maa1](https://discourse.nodered.org/u/maa1)\ **Replies:** 6\ **Last updated:** [7 November 2020 01:50 UTC](https://discourse.nodered.org/t/mssql-to-csv-to-e-mail/35353 "2020-11-07T01:50:23Z")
Hi, I'm using MSSQL node for reading data from SQL table and I want to output into either .csv or .xlsx and send it over e-mail as attachment. I'm getting error "This node only handles CSV strings or js objects." --- ## [Edtech Hackathon Covid-19 Challenge with Node-red 12-13 Nov](https://discourse.nodered.org/t/edtech-hackathon-covid-19-challenge-with-node-red-12-13-nov/35439)
**Author:** [@ninjamoba](https://discourse.nodered.org/u/ninjamoba)\ **Replies:** 1\ **Last updated:** [6 November 2020 22:15 UTC](https://discourse.nodered.org/t/edtech-hackathon-covid-19-challenge-with-node-red-12-13-nov/35439 "2020-11-06T22:15:01Z")
\*\* 12 - 13 November 2020\*\* teamjop.com (EU vs Virus Winner Biggest hackathon in the world) in cooperation with Digieduhack is hosting a challenge to be built with Node-Red - build a covid-19 social distancing reminder ap… --- ## [Node red automatically disconnected from server in windows10](https://discourse.nodered.org/t/node-red-automatically-disconnected-from-server-in-windows10/35425)
**Author:** [@yash](https://discourse.nodered.org/u/yash)\ **Replies:** 3\ **Last updated:** [6 November 2020 20:32 UTC](https://discourse.nodered.org/t/node-red-automatically-disconnected-from-server-in-windows10/35425 "2020-11-06T20:32:56Z")
node red automatically disconnected from server, with message "node red automatically disconnected from server" LOG: C:\\Users\\YASH ZADE\>node-red 6 Nov 10:05:49 - \[info\] Welcome to Node-RED =================== 6 Nov … --- ## [Exec node: Block system commands for a particular directory?](https://discourse.nodered.org/t/exec-node-block-system-commands-for-a-particular-directory/35394)
**Author:** [@ashish-y](https://discourse.nodered.org/u/ashish-y)\ **Replies:** 6\ **Last updated:** [6 November 2020 18:10 UTC](https://discourse.nodered.org/t/exec-node-block-system-commands-for-a-particular-directory/35394 "2020-11-06T18:10:22Z")
Hi, If a user has access to the editor they can get the source code of any file, list folder structure, and run any system command based on the OS user permissions. Is there a way to limit commands just for the exec no… --- ## [Property value where other property value is equal to](https://discourse.nodered.org/t/property-value-where-other-property-value-is-equal-to/35451)
**Author:** [@kgalilio](https://discourse.nodered.org/u/kgalilio)\ **Replies:** 6\ **Last updated:** [6 November 2020 17:51 UTC](https://discourse.nodered.org/t/property-value-where-other-property-value-is-equal-to/35451 "2020-11-06T17:51:55Z")
Hi, I have a function node that outputs the following payload: \[\[{"\_id":"5f93de2accd2af06b412924d","site\_id":"7f93dj27mmd2af06b7624231","name":"All","forward":"all","attr\_hidden\_id":"All","attr\_hidden":true,"attr\_no\_de… --- ## [Set number of message parts in Join node via msg](https://discourse.nodered.org/t/set-number-of-message-parts-in-join-node-via-msg/35458)
**Author:** [@elyancorrea](https://discourse.nodered.org/u/elyancorrea)\ **Replies:** 2\ **Last updated:** [6 November 2020 16:29 UTC](https://discourse.nodered.org/t/set-number-of-message-parts-in-join-node-via-msg/35458 "2020-11-06T16:29:41Z")
Hello, I need to dynamically set this property of Join node. I've a modbus node sending messages and joining them every 30 messages in an array of objects (values and addresses). How can I change this number via msg? I… --- ## [Convert array to key/value pair](https://discourse.nodered.org/t/convert-array-to-key-value-pair/35441)
**Author:** [@beerygaz](https://discourse.nodered.org/u/beerygaz)\ **Replies:** 4\ **Last updated:** [6 November 2020 16:18 UTC](https://discourse.nodered.org/t/convert-array-to-key-value-pair/35441 "2020-11-06T16:18:27Z")
I have msg.payload as an array that I'd like to convert to a key/value pair. debug shows msg.payload\[1\] : "25.6" I'd like to create msg.payload.temperature: "25.6" I'm using a "change" node to try and set msg.payload.… --- ## [Sequence of output function](https://discourse.nodered.org/t/sequence-of-output-function/35367)
**Author:** [@edstobi](https://discourse.nodered.org/u/edstobi)\ **Replies:** 9\ **Last updated:** [6 November 2020 16:06 UTC](https://discourse.nodered.org/t/sequence-of-output-function/35367 "2020-11-06T16:06:35Z")
Hello I have been looking for a mistake in my flow for quite some time. After a time of searching I have found a point which seems to be the error. I trigger a switch from 2 different sources. One function works, the o… --- ## [Why my lamp is going when bigtimer is set](https://discourse.nodered.org/t/why-my-lamp-is-going-when-bigtimer-is-set/35319)
**Author:** [@sniperxnl](https://discourse.nodered.org/u/sniperxnl)\ **Replies:** 4\ **Last updated:** [6 November 2020 13:09 UTC](https://discourse.nodered.org/t/why-my-lamp-is-going-when-bigtimer-is-set/35319 "2020-11-06T13:09:23Z")
Hello guys, i have a ikea motion sensor and use it the halway, now i want that the lamp only goes on when there is motion in the morning and night what do i wrong in my flow \[{"id":"7bae246d.839dfc","type":"tab","label… --- ## [How to make money from a Node-RED node?](https://discourse.nodered.org/t/how-to-make-money-from-a-node-red-node/34946)
**Author:** [@wolfred](https://discourse.nodered.org/u/wolfred)\ **Replies:** 20\ **Last updated:** [6 November 2020 12:38 UTC](https://discourse.nodered.org/t/how-to-make-money-from-a-node-red-node/34946 "2020-11-06T12:38:58Z")
I have a temperature measuring device for industrial purposes with a TCP/IP interface. This device speaks a proprietary protocol which is not published from the manufacturer of the device. I am thinking of writing a Nod… --- ## [Joining mqtt messages with multiple sensors](https://discourse.nodered.org/t/joining-mqtt-messages-with-multiple-sensors/35420)
**Author:** [@harveyd](https://discourse.nodered.org/u/harveyd)\ **Replies:** 3\ **Last updated:** [6 November 2020 08:55 UTC](https://discourse.nodered.org/t/joining-mqtt-messages-with-multiple-sensors/35420 "2020-11-06T08:55:46Z")
Hi, Let’s say I have 10, 20 or 50 sensors located around a building that transmit temperature and humidity data through mqtt in topics such as: sensors/sensor1/temperature sensors/sensor1/humidity I would like to com… --- ## [A module installation error -117?](https://discourse.nodered.org/t/a-module-installation-error-117/35417)
**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\ **Replies:** 1\ **Last updated:** [6 November 2020 00:59 UTC](https://discourse.nodered.org/t/a-module-installation-error-117/35417 "2020-11-06T00:59:19Z")
Anyone see this one before? New to me! pi@pi4modelb2:~/.node-red $ npm install node-red-contrib-loop-processing npm ERR! code Unknown system error -117 npm ERR! syscall mkdir npm ERR! path /home/pi/.npm/\_cacache/index-… --- ## [FYI... Nasty NPM module proves to be trojan!](https://discourse.nodered.org/t/fyi-nasty-npm-module-proves-to-be-trojan/35419)
**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\ **Replies:** 0\ **Last updated:** [6 November 2020 00:52 UTC](https://discourse.nodered.org/t/fyi-nasty-npm-module-proves-to-be-trojan/35419 "2020-11-06T00:52:29Z")
FYI... Nasty NPM module proves to be trojan! Details on zdnet... https://www.zdnet.com/article/malicious-npm-package-opens-backdoors-on-programmers-computers/ --- ## [The edit text node looks looks different from the image I added](https://discourse.nodered.org/t/the-edit-text-node-looks-looks-different-from-the-image-i-added/35385)
**Author:** [@christine.otieno](https://discourse.nodered.org/u/christine.otieno)\ **Replies:** 2\ **Last updated:** [5 November 2020 23:44 UTC](https://discourse.nodered.org/t/the-edit-text-node-looks-looks-different-from-the-image-i-added/35385 "2020-11-05T23:44:50Z")
Where can I find value format and Layout? --- ## [Changing Image on the Dashboard via different payloads](https://discourse.nodered.org/t/changing-image-on-the-dashboard-via-different-payloads/35414)
**Author:** [@DrdP](https://discourse.nodered.org/u/DrdP)\ **Replies:** 1\ **Last updated:** [5 November 2020 23:40 UTC](https://discourse.nodered.org/t/changing-image-on-the-dashboard-via-different-payloads/35414 "2020-11-05T23:40:39Z")
Good day all I want to replicate that a pump is in running(green pump)/stopped(grey pump)/faulted(red pump) condition. I am reading a modbus register from a VSD. I have added a SVG Graphics node and can succesfully see … --- ## [Ideas for elapsed time counter please](https://discourse.nodered.org/t/ideas-for-elapsed-time-counter-please/35352)
**Author:** [@craigcurtin](https://discourse.nodered.org/u/craigcurtin)\ **Replies:** 2\ **Last updated:** [5 November 2020 23:18 UTC](https://discourse.nodered.org/t/ideas-for-elapsed-time-counter-please/35352 "2020-11-05T23:18:53Z")
Guys, Just renovating our pool and about to go live next week. We will be using an EnviroSwim system that essentially does away with the need for chlorine and instead uses Copper to neutralise the water. We want to in… --- ## [Prévois message](https://discourse.nodered.org/t/prevois-message/35405)
**Author:** [@micke0079](https://discourse.nodered.org/u/micke0079)\ **Replies:** 2\ **Last updated:** [5 November 2020 23:09 UTC](https://discourse.nodered.org/t/prevois-message/35405 "2020-11-05T23:09:26Z")
Hey guys ! I'm searching for a solution to subtract the previous message with the new one. Any ideas ? Thanks --- ## [Node-ui-microphone not visible on dashboard](https://discourse.nodered.org/t/node-ui-microphone-not-visible-on-dashboard/35397)
**Author:** [@Sturgeon](https://discourse.nodered.org/u/Sturgeon)\ **Replies:** 1\ **Last updated:** [5 November 2020 23:03 UTC](https://discourse.nodered.org/t/node-ui-microphone-not-visible-on-dashboard/35397 "2020-11-05T23:03:12Z")
Hello! I try to use browser mic with node-ui-microphone. I add node, add Tab and group in dashboard layout, and select group in node preference. But when I run dashboard I dont see mic button. Only empty screen and text… --- ## [Should be easy, but](https://discourse.nodered.org/t/should-be-easy-but/35246)
**Author:** [@RASelkirk](https://discourse.nodered.org/u/RASelkirk)\ **Replies:** 22\ **Last updated:** [5 November 2020 23:02 UTC](https://discourse.nodered.org/t/should-be-easy-but/35246 "2020-11-05T23:02:23Z")
Hi All, I've been making progress with my gate opener, the interface is almost done and I'm getting into the pi itself. I have a button on my N-R dash that I want to use to make a 'short" on my pi. On the actual gate, t… --- ## [Sending data from HTML form hosted on apache to node-red](https://discourse.nodered.org/t/sending-data-from-html-form-hosted-on-apache-to-node-red/35408)
**Author:** [@kchong98](https://discourse.nodered.org/u/kchong98)\ **Replies:** 1\ **Last updated:** [5 November 2020 22:44 UTC](https://discourse.nodered.org/t/sending-data-from-html-form-hosted-on-apache-to-node-red/35408 "2020-11-05T22:44:43Z")
I've set up a webpage that gets data from an SQL server and displays it onto graphs which is hosted on an Apache server. Both the SQL and Apache server are hosted on a raspberry pi. However, the page also contains a form… --- ## [Semantic Versioning and Node-RED](https://discourse.nodered.org/t/semantic-versioning-and-node-red/35386)
**Author:** [@drmibell](https://discourse.nodered.org/u/drmibell)\ **Replies:** 5\ **Last updated:** [5 November 2020 22:07 UTC](https://discourse.nodered.org/t/semantic-versioning-and-node-red/35386 "2020-11-05T22:07:36Z")
Not strictly a Node-RED question, but I would be curious to hear opinions on how semver is or should be used in the NR environment. While revising nodes that I contributed a few years ago, I started thinking about some s… --- ## [Tripp Lite UPS Monitoring](https://discourse.nodered.org/t/tripp-lite-ups-monitoring/35388)
**Author:** [@wecoyote5](https://discourse.nodered.org/u/wecoyote5)\ **Replies:** 9\ **Last updated:** [5 November 2020 22:05 UTC](https://discourse.nodered.org/t/tripp-lite-ups-monitoring/35388 "2020-11-05T22:05:52Z")
Hi all, has anyone integrated a Tripp-Lite UPS in Node-Red to monitor power and gracefully shutdown that could share their setup? The UPS has the USB interface and no network capability and I'm running NR on an RPi4 whic… --- ## [Convert pcap to json](https://discourse.nodered.org/t/convert-pcap-to-json/35390)
**Author:** [@rparada](https://discourse.nodered.org/u/rparada)\ **Replies:** 2\ **Last updated:** [5 November 2020 21:53 UTC](https://discourse.nodered.org/t/convert-pcap-to-json/35390 "2020-11-05T21:53:27Z")
Hi, I've installed the node "node-red-contrib-pcap" succesfully. I could filter the incoming packets, however, I need to convert it to JSON. Find the flow below: \[{"id":"268be8ad.9ee5b","type":"tab","label":"Flow 1","d… --- ## [\[SOLVED\] Using node-red-contrib-chart-image](https://discourse.nodered.org/t/solved-using-node-red-contrib-chart-image/35300)
**Author:** [@nygma2004](https://discourse.nodered.org/u/nygma2004)\ **Replies:** 9\ **Last updated:** [5 November 2020 21:06 UTC](https://discourse.nodered.org/t/solved-using-node-red-contrib-chart-image/35300 "2020-11-05T21:06:15Z")
This is something, I wanted to do a long time ago, and only today I realised that there is a node for this. Thanks @gemini86 for your work. If there any special procedures getting this node installed? I tried using the … [Previous page](https://discourse.nodered.org/c/general/7.md?page=656) [Next page](https://discourse.nodered.org/c/general/7.md?page=658)