# Latest **URL:** https://discourse.nodered.org/latest.md?page=1246 [Latest](https://discourse.nodered.org/latest.md) · [Categories](https://discourse.nodered.org/categories.md) · [Tags](https://discourse.nodered.org/tags.md) **Page:** 1247 --- ## [Github integration: generate new ssh key throws error](https://discourse.nodered.org/t/github-integration-generate-new-ssh-key-throws-error/14045)
**Author:** [@echtelerp](https://discourse.nodered.org/u/echtelerp)\ **Replies:** 2\ **Last updated:** [6 August 2019 08:57 UTC](https://discourse.nodered.org/t/github-integration-generate-new-ssh-key-throws-error/14045 "2019-08-06T08:57:51Z")
Hi there, when I try to generate a new github ssh key in node red, running in a docker container, based on alpine, on a arm32v7 base image, Nodered throws this error. can be repeated doing this: docker run -d -p1880:… --- ## [Is there a node to monitor changes in a directory?](https://discourse.nodered.org/t/is-there-a-node-to-monitor-changes-in-a-directory/14035)
**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\ **Replies:** 2\ **Last updated:** [6 August 2019 04:08 UTC](https://discourse.nodered.org/t/is-there-a-node-to-monitor-changes-in-a-directory/14035 "2019-08-06T04:08:13Z")
I've searched the library but haven't found one. I looked at the fs-ops one, but it doesn't. Just in case I have missed seeing the node. Anyone? I have a work around for now, but just wanted to know if there is a nod… --- ## [Display String Output](https://discourse.nodered.org/t/display-string-output/13855)
**Author:** [@pinkdolphins](https://discourse.nodered.org/u/pinkdolphins)\ **Replies:** 12\ **Last updated:** [6 August 2019 04:02 UTC](https://discourse.nodered.org/t/display-string-output/13855 "2019-08-06T04:02:08Z")
Hello! I am trying to print a conditional statement: var A\_x = msg.payload.d.X; var A\_y = msg.payload.d.Y; var A\_z = msg.payload.d.Z; var A\_r = Math.sqrt(A\_x\*A\_x + A\_y\*A\_y + A\_z\*A\_z); if (abs( A\_r\_prev - A\_r) \> 110… --- ## [Sum up three outputs from mqtt](https://discourse.nodered.org/t/sum-up-three-outputs-from-mqtt/13991)
**Author:** [@R0yk3](https://discourse.nodered.org/u/R0yk3)\ **Replies:** 21\ **Last updated:** [5 August 2019 21:40 UTC](https://discourse.nodered.org/t/sum-up-three-outputs-from-mqtt/13991 "2019-08-05T21:40:11Z")
Hi i think the solution is simple but i get stuck with adding up some values. I am a total N00b so please be patient. Situation: I get data from Domoticz via Mqtt. (works) I split the messages to get only the data i … --- ## [Help panel: \ tag](https://discourse.nodered.org/t/help-panel-kbd-tag/14031)
**Author:** [@TotallyInformation](https://discourse.nodered.org/u/TotallyInformation)\ **Replies:** 2\ **Last updated:** [5 August 2019 21:26 UTC](https://discourse.nodered.org/t/help-panel-kbd-tag/14031 "2019-08-05T21:26:24Z")
For the first time, I've wanted to use the \ tag in the Editor's help panel. And for the first time, I've noticed that the tag is not formatted. In the following example the ⤡, Done and Cancel should all look like bu… --- ## [How to move Node Red docker from RPi to a PC?](https://discourse.nodered.org/t/how-to-move-node-red-docker-from-rpi-to-a-pc/13995)
**Author:** [@Arm555](https://discourse.nodered.org/u/Arm555)\ **Replies:** 2\ **Last updated:** [5 August 2019 18:15 UTC](https://discourse.nodered.org/t/how-to-move-node-red-docker-from-rpi-to-a-pc/13995 "2019-08-05T18:15:40Z")
Wondering if anyone can confirm if I should just move the /data volume I mapped for my node red docker install on my RPi to my docker of Node Red on my PC? I believe that’s all I have to do but I’m not sure since there a… --- ## [Enable/disable a flow programmatically from within Node-RED?](https://discourse.nodered.org/t/enable-disable-a-flow-programmatically-from-within-node-red/14009)
**Author:** [@Kater\_S](https://discourse.nodered.org/u/Kater_S)\ **Replies:** 10\ **Last updated:** [5 August 2019 13:59 UTC](https://discourse.nodered.org/t/enable-disable-a-flow-programmatically-from-within-node-red/14009 "2019-08-05T13:59:40Z")
Hi, I am using Node-RED for home automation, and I have two flows for controlling my rolling shutters: one for "normal" days (opening the shutters in the morning, closing them in the evening), and another one for "hot" d… --- ## [She-bear - Home water consumption monitor and valve](https://discourse.nodered.org/t/she-bear-home-water-consumption-monitor-and-valve/14022)
**Author:** [@igrowing](https://discourse.nodered.org/u/igrowing)\ **Replies:** 0\ **Last updated:** [5 August 2019 13:04 UTC](https://discourse.nodered.org/t/she-bear-home-water-consumption-monitor-and-valve/14022 "2019-08-05T13:04:10Z")
Why the water consumption monitor is needed? How can it help to particular family and to the global change? What exactly does it do, how does it work? These and more questions are answered in the link above :slight\_… --- ## [While Passing Array to Node and Reformating Array into an Object Data Gets Lost](https://discourse.nodered.org/t/while-passing-array-to-node-and-reformating-array-into-an-object-data-gets-lost/14005)
**Author:** [@annibauer](https://discourse.nodered.org/u/annibauer)\ **Replies:** 3\ **Last updated:** [5 August 2019 12:16 UTC](https://discourse.nodered.org/t/while-passing-array-to-node-and-reformating-array-into-an-object-data-gets-lost/14005 "2019-08-05T12:16:40Z")
I am extracting data from a CSV file, that I want to send to a server through an API Call. In order to limit the number of calls I'm formatting the request body to contain several data points at once. All this is working… --- ## [Close Command window server not stop](https://discourse.nodered.org/t/close-command-window-server-not-stop/14016)
**Author:** [@anisha](https://discourse.nodered.org/u/anisha)\ **Replies:** 3\ **Last updated:** [5 August 2019 12:14 UTC](https://discourse.nodered.org/t/close-command-window-server-not-stop/14016 "2019-08-05T12:14:38Z")
I am working in Node-Red windows platform If I started the server and close command window background server will run its possible ? --- ## [Can't connect to any MQTT broker](https://discourse.nodered.org/t/cant-connect-to-any-mqtt-broker/14013)
**Author:** [@titouanlh](https://discourse.nodered.org/u/titouanlh)\ **Replies:** 1\ **Last updated:** [5 August 2019 12:13 UTC](https://discourse.nodered.org/t/cant-connect-to-any-mqtt-broker/14013 "2019-08-05T12:13:42Z")
Hi everyone ! I am trying to connect to my MQTT broker from Node-RED. I have RabbitMQ installed with MQTT plugin activated. It is listening on port 1883. When I trie to connect to it with an MQTT node, I get this error… --- ## [Simple view of IPcam](https://discourse.nodered.org/t/simple-view-of-ipcam/14000)
**Author:** [@Kemster](https://discourse.nodered.org/u/Kemster)\ **Replies:** 1\ **Last updated:** [4 August 2019 19:29 UTC](https://discourse.nodered.org/t/simple-view-of-ipcam/14000 "2019-08-04T19:29:30Z")
Hi everybody. I'm new to node red....... I have managed to make a desent dashboard with guages and other cool stuff...... BUT I would really like to view an IPcam in real time....... and thats it...... no recording, n… --- ## [JSON Representation of a Flow](https://discourse.nodered.org/t/json-representation-of-a-flow/13893)
**Author:** [@caracall](https://discourse.nodered.org/u/caracall)\ **Replies:** 2\ **Last updated:** [5 August 2019 02:54 UTC](https://discourse.nodered.org/t/json-representation-of-a-flow/13893 "2019-08-05T02:54:33Z")
Hello, I am just wondering if it is possible to get the JSON representation of a flow in an automatic way (by writing some code) without the need to export it and copying it to the clipboard (for example when I click on… --- ## [Colors strange behavior](https://discourse.nodered.org/t/colors-strange-behavior/13839)
**Author:** [@ipa64](https://discourse.nodered.org/u/ipa64)\ **Replies:** 5\ **Last updated:** [5 August 2019 01:20 UTC](https://discourse.nodered.org/t/colors-strange-behavior/13839 "2019-08-05T01:20:17Z")
Hi, Since I have upgrade from 0.18.5 to 0.20.7 colors on dashboard has changed, they are more darker. Even with #ff0000 for a button color background I get a dark red, before I got a brightPreformatted text red. More … --- ## [UI Button with dynamic topic based on state](https://discourse.nodered.org/t/ui-button-with-dynamic-topic-based-on-state/14003)
**Author:** [@biz](https://discourse.nodered.org/u/biz)\ **Replies:** 1\ **Last updated:** [4 August 2019 22:21 UTC](https://discourse.nodered.org/t/ui-button-with-dynamic-topic-based-on-state/14003 "2019-08-04T22:21:19Z")
Hello All I have been slowly integrating all my flows into databases. This has been great below is one of my standard flows. To update/insert into the datebase I have to create a msg.topic put the SQL statement in , it … --- ## [Telegram node-red is no longer working](https://discourse.nodered.org/t/telegram-node-red-is-no-longer-working/13143)
**Author:** [@Arm555](https://discourse.nodered.org/u/Arm555)\ **Replies:** 8\ **Last updated:** [4 August 2019 19:38 UTC](https://discourse.nodered.org/t/telegram-node-red-is-no-longer-working/13143 "2019-08-04T19:38:54Z")
I am getting these errors. Not sure what it means. I have an inject node that I am using to test and I get this message after a few seconds that the message goes through. I also have pihole on a docker, but on the query … --- ## [How Change node properties with a function block](https://discourse.nodered.org/t/how-change-node-properties-with-a-function-block/2183)
**Author:** [@glconceicao](https://discourse.nodered.org/u/glconceicao)\ **Replies:** 15\ **Last updated:** [4 August 2019 19:15 UTC](https://discourse.nodered.org/t/how-change-node-properties-with-a-function-block/2183 "2019-08-04T19:15:56Z")
I want change URL of WebSocket node with a function block. my URL on WebSocket was variable, and necessary to change, it is possible? --- ## [How to process elements of an array serially in node-red?](https://discourse.nodered.org/t/how-to-process-elements-of-an-array-serially-in-node-red/13997)
**Author:** [@jsmith](https://discourse.nodered.org/u/jsmith)\ **Replies:** 5\ **Last updated:** [4 August 2019 18:18 UTC](https://discourse.nodered.org/t/how-to-process-elements-of-an-array-serially-in-node-red/13997 "2019-08-04T18:18:37Z")
Here is the scenario - In flow1 we run a sql query to retrieve some rows ordered by timestamp Flow2 defines a sequence of API calls , so this flow executes asynchronously For each result in flow1 , we need to invoke … --- ## [MQTT buffering?](https://discourse.nodered.org/t/mqtt-buffering/13972)
**Author:** [@wb666greene](https://discourse.nodered.org/u/wb666greene)\ **Replies:** 10\ **Last updated:** [4 August 2019 15:49 UTC](https://discourse.nodered.org/t/mqtt-buffering/13972 "2019-08-04T15:49:02Z")
I apologize that this is not strictly a node-red issue, but I know there are some MQTT experts here and I got no response when I asked on the MQTT google groups last week. It appears MQTT is buffering or queuing qos 0 m… --- ## [Can you not set context variables by assignment?](https://discourse.nodered.org/t/can-you-not-set-context-variables-by-assignment/13976)
**Author:** [@higbyk](https://discourse.nodered.org/u/higbyk)\ **Replies:** 2\ **Last updated:** [4 August 2019 13:57 UTC](https://discourse.nodered.org/t/can-you-not-set-context-variables-by-assignment/13976 "2019-08-04T13:57:42Z")
I'm using global context variables to store an authorization token, but I've noticed that the value doesn't appear in the context sidebar unless I assign it using a Change node. In the past I've simply assigned them as … --- ## [Multiple outputs of function node not working](https://discourse.nodered.org/t/multiple-outputs-of-function-node-not-working/13988)
**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\ **Replies:** 28\ **Last updated:** [4 August 2019 11:58 UTC](https://discourse.nodered.org/t/multiple-outputs-of-function-node-not-working/13988 "2019-08-04T11:58:04Z")
I've read my notes on how to construct nodes with multiple outputs, but it isn't working. The idea is that the input cycles from 0 to 3 (numbers). Depending on its value, depends which output is sent a 1. All values a… --- ## [Can't change the button properties (bgcolor, label, etc.)](https://discourse.nodered.org/t/cant-change-the-button-properties-bgcolor-label-etc/13975)
**Author:** [@FufsowyFufs](https://discourse.nodered.org/u/FufsowyFufs)\ **Replies:** 3\ **Last updated:** [4 August 2019 09:26 UTC](https://discourse.nodered.org/t/cant-change-the-button-properties-bgcolor-label-etc/13975 "2019-08-04T09:26:54Z")
I've recently started creating my first flow and I've hit a problem. Basically what I want to do is to change the bg color of a button. I wanted to do it using the msg.ui\_control, but when I attempted to do so it wouldn'… --- ## [Help with how to get info on USB stick](https://discourse.nodered.org/t/help-with-how-to-get-info-on-usb-stick/13773)
**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\ **Replies:** 37\ **Last updated:** [4 August 2019 06:23 UTC](https://discourse.nodered.org/t/help-with-how-to-get-info-on-usb-stick/13773 "2019-08-04T06:23:21Z")
I am using a USB stick to store data because I have been warned not to do this with the SD card, as this kind of writing to the card is not good for them. But either way, I am stuck getting how much memory is left on th… --- ## [Summing all msg.payload in a month](https://discourse.nodered.org/t/summing-all-msg-payload-in-a-month/13723)
**Author:** [@igrowing](https://discourse.nodered.org/u/igrowing)\ **Replies:** 14\ **Last updated:** [4 August 2019 05:53 UTC](https://discourse.nodered.org/t/summing-all-msg-payload-in-a-month/13723 "2019-08-04T05:53:46Z")
Hi guys, not sure "General" is correct forum branch, maybe "Dashboard" fits better for the question. I am building UI for She-bear - a monitor and sentinel of house water consumption. Of course, I'll post stable version… --- ## [Nuke it from orbit](https://discourse.nodered.org/t/nuke-it-from-orbit/13963)
**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\ **Replies:** 7\ **Last updated:** [3 August 2019 22:54 UTC](https://discourse.nodered.org/t/nuke-it-from-orbit/13963 "2019-08-03T22:54:10Z")
I'm having problems installing/upgrading Node-RED on an older PiZero (Stretch so not ancient) (Its in the endless loop of saying that its not fully installed and do I want to re-install) I've tried loads of things and … --- ## [Global.get() behavior: intended behavior or bug?](https://discourse.nodered.org/t/global-get-behavior-intended-behavior-or-bug/13971)
**Author:** [@thatcadguy](https://discourse.nodered.org/u/thatcadguy)\ **Replies:** 2\ **Last updated:** [3 August 2019 22:50 UTC](https://discourse.nodered.org/t/global-get-behavior-intended-behavior-or-bug/13971 "2019-08-03T22:50:07Z")
Noticed something peculiar while coding a project this week...some unexpected behavior that took me an embarrassingly long time to figure out. var a = global.get('this\_doesnt\_exist'); // returns null as it is doesn't ex… --- ## [Add entity value to a mqtt payload](https://discourse.nodered.org/t/add-entity-value-to-a-mqtt-payload/13955)
**Author:** [@LazzaWA](https://discourse.nodered.org/u/LazzaWA)\ **Replies:** 4\ **Last updated:** [3 August 2019 21:58 UTC](https://discourse.nodered.org/t/add-entity-value-to-a-mqtt-payload/13955 "2019-08-03T21:58:08Z")
hi all, i'm starting to get the hang of the basics of node red however i'm still fresh to understanding it so bare with me :slight\_smile: I'm trying to get my snips voice platform to tell me what the temperature is fro… --- ## [Node red + telegram](https://discourse.nodered.org/t/node-red-telegram/13966)
**Author:** [@fafidio](https://discourse.nodered.org/u/fafidio)\ **Replies:** 4\ **Last updated:** [3 August 2019 19:11 UTC](https://discourse.nodered.org/t/node-red-telegram/13966 "2019-08-03T19:11:46Z")
hello, i'm Fabio and would use node red for monitoring more sensors. I 'm not very clever with code so I ask your help. I've created a function to send values from sensor to Telegram : but my target is to have the notif… --- ## [Node-red-node-pi-gpiod true/false vs. 0/1](https://discourse.nodered.org/t/node-red-node-pi-gpiod-true-false-vs-0-1/13941)
**Author:** [@kxkayser](https://discourse.nodered.org/u/kxkayser)\ **Replies:** 12\ **Last updated:** [3 August 2019 14:02 UTC](https://discourse.nodered.org/t/node-red-node-pi-gpiod-true-false-vs-0-1/13941 "2019-08-03T14:02:13Z")
Hi. Am successfully using the these nodes to control a remote RPi. I noticed that injecting a Boolean true or false raises an Assertion error. Works fine with a numeric 0 or 1. Is this part of the design? --- ## [HTTP Request overload per flow?](https://discourse.nodered.org/t/http-request-overload-per-flow/13951)
**Author:** [@OliP](https://discourse.nodered.org/u/OliP)\ **Replies:** 2\ **Last updated:** [3 August 2019 13:51 UTC](https://discourse.nodered.org/t/http-request-overload-per-flow/13951 "2019-08-03T13:51:24Z")
Hey, first post and only about a week into the node-red rabbit hole. Managed to get my head around building an API of sorts, which allows my homeseer home automation system to trigger node-red to download an image from … [Previous page](https://discourse.nodered.org/latest.md?page=1245) [Next page](https://discourse.nodered.org/latest.md?page=1247)