# Latest

**URL:** https://discourse.nodered.org/latest.md?page=283

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

**Page:** 284

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## [Creating HTML output](https://discourse.nodered.org/t/creating-html-output/82396)

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**Author:** [@seballa](https://discourse.nodered.org/u/seballa)\
**Replies:** 5\
**Last updated:** [27 October 2023 16:21 UTC](https://discourse.nodered.org/t/creating-html-output/82396 "2023-10-27T16:21:28Z")

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Hi I am just starting and I am stuck with a trivial problem. I managed to create an hello world page with http in --\> html --\> http response nodes. I also managed to read data from an device in my network. incoming -…

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## [Should I install and/or run Node-RED with an admin account? (SUDO)](https://discourse.nodered.org/t/should-i-install-and-or-run-node-red-with-an-admin-account-sudo/82402)

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**Author:** [@TotallyInformation](https://discourse.nodered.org/u/TotallyInformation)\
**Replies:** 0\
**Last updated:** [27 October 2023 16:13 UTC](https://discourse.nodered.org/t/should-i-install-and-or-run-node-red-with-an-admin-account-sudo/82402 "2023-10-27T16:13:56Z")

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You MAY install Node-RED using elevated privileges (e.g. using sudo on a Linux system) - this is generally required if installing as a "global" node-red install -g ..... Which many people do. You should NOT run Node-RED…

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## [Fundamental misunderstanding of the loop node](https://discourse.nodered.org/t/fundamental-misunderstanding-of-the-loop-node/82341)

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**Author:** [@tibmeister](https://discourse.nodered.org/u/tibmeister)\
**Replies:** 11\
**Last updated:** [27 October 2023 15:59 UTC](https://discourse.nodered.org/t/fundamental-misunderstanding-of-the-loop-node/82341 "2023-10-27T15:59:33Z")

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I want to start off by saying I am new to node-Red, but I have a programming background and some PLC background, so loops and logic flow is not new to me, only node-Red itself. I have a flow (see below) that I am using …

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## [GET request of XML page](https://discourse.nodered.org/t/get-request-of-xml-page/82314)

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**Author:** [@jttjtt](https://discourse.nodered.org/u/jttjtt)\
**Replies:** 11\
**Last updated:** [27 October 2023 14:48 UTC](https://discourse.nodered.org/t/get-request-of-xml-page/82314 "2023-10-27T14:48:49Z")

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I have a RFID reader, which I can call by a HTTP request on address for example: http://192.168.1.15/status.xml There is a basic authentication, when I run the address above in chrome browser and then I get a response: …

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## [Energymeter Simulation with Modbus/ Slave](https://discourse.nodered.org/t/energymeter-simulation-with-modbus-slave/82350)

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**Author:** [@chris123](https://discourse.nodered.org/u/chris123)\
**Replies:** 6\
**Last updated:** [27 October 2023 14:45 UTC](https://discourse.nodered.org/t/energymeter-simulation-with-modbus-slave/82350 "2023-10-27T14:45:39Z")

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Hi all, I've got an Solis PV Inverter which is normaly connected by Modbus to an Acrel Acr10r Energymeter. I can't use the Acrel Meter for some reason. I've got a Finder Energymeter installed. The Finder Energymeter can…

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## [Contrib puppeteer new](https://discourse.nodered.org/t/contrib-puppeteer-new/82370)

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**Author:** [@madmax](https://discourse.nodered.org/u/madmax)\
**Replies:** 6\
**Last updated:** [27 October 2023 14:29 UTC](https://discourse.nodered.org/t/contrib-puppeteer-new/82370 "2023-10-27T14:29:06Z")

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Hello! Has anyone ever tried Node-red-contrib-puppeteer-new? Is there an example flow? Do I have to install something additional?

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## [Write Data to a file in a PC connected to an intranet](https://discourse.nodered.org/t/write-data-to-a-file-in-a-pc-connected-to-an-intranet/82391)

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**Author:** [@dmb](https://discourse.nodered.org/u/dmb)\
**Replies:** 7\
**Last updated:** [27 October 2023 13:18 UTC](https://discourse.nodered.org/t/write-data-to-a-file-in-a-pc-connected-to-an-intranet/82391 "2023-10-27T13:18:08Z")

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Hi, I have node-red running on a Raspberry Pi that collects some data from sensors. The Raspberri Pi is connected through an ethernet cable to an intranet where there are other PC's that can access the dashboard for ex…

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## [Decoding the binary array with buffer parser](https://discourse.nodered.org/t/decoding-the-binary-array-with-buffer-parser/82388)

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**Author:** [@rnodist](https://discourse.nodered.org/u/rnodist)\
**Replies:** 3\
**Last updated:** [27 October 2023 12:50 UTC](https://discourse.nodered.org/t/decoding-the-binary-array-with-buffer-parser/82388 "2023-10-27T12:50:38Z")

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Hello, would need a bit help here to understand this thing. I have a battery device, which sends it's data on tcp port, every second. Protocol documentation says: I managed to connect with TCP node to that port and …

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## [File exists in a directory](https://discourse.nodered.org/t/file-exists-in-a-directory/82393)

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**Author:** [@madmax](https://discourse.nodered.org/u/madmax)\
**Replies:** 3\
**Last updated:** [27 October 2023 10:55 UTC](https://discourse.nodered.org/t/file-exists-in-a-directory/82393 "2023-10-27T10:55:05Z")

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Hello! Is there a way to check whether a file exists in a directory? I hope someone can help me.

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## [Can't seem to enable file context storage](https://discourse.nodered.org/t/cant-seem-to-enable-file-context-storage/82389)

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**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\
**Replies:** 8\
**Last updated:** [27 October 2023 10:50 UTC](https://discourse.nodered.org/t/cant-seem-to-enable-file-context-storage/82389 "2023-10-27T10:50:46Z")

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I didn't have file context storage enabled so I un-commented my settings to enable it but getting this warning in log \[warn\] Unknown context store 'memory' specified. Using default store. and my contexts are not be…

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## [Authenticating into Node-RED using Google OAuth - Working Solution](https://discourse.nodered.org/t/authenticating-into-node-red-using-google-oauth-working-solution/10047)

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**Author:** [@cowchimp](https://discourse.nodered.org/u/cowchimp)\
**Replies:** 8\
**Last updated:** [27 October 2023 08:31 UTC](https://discourse.nodered.org/t/authenticating-into-node-red-using-google-oauth-working-solution/10047 "2023-10-27T08:31:27Z")

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Saw some questions in the forum about authenticating into Node-RED using Google OAuth, but couldn't find a working example. So here is the code after I got it working with passport-google-oauth. Please let me know if t…

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## [Node-red alram Setting](https://discourse.nodered.org/t/node-red-alram-setting/82265)

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**Author:** [@Tomi](https://discourse.nodered.org/u/Tomi)\
**Replies:** 3\
**Last updated:** [27 October 2023 08:30 UTC](https://discourse.nodered.org/t/node-red-alram-setting/82265 "2023-10-27T08:30:43Z")

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Hello I'd like to know if there's a way to turn the alarm on and off in Nordred

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## [When the alarm goes off, I want to write NO1 error in big letters Please tell me how to set it up](https://discourse.nodered.org/t/when-the-alarm-goes-off-i-want-to-write-no1-error-in-big-letters-please-tell-me-how-to-set-it-up/82384)

<div class="topic-metadata">

**Author:** [@Tomi](https://discourse.nodered.org/u/Tomi)\
**Replies:** 11\
**Last updated:** [27 October 2023 08:28 UTC](https://discourse.nodered.org/t/when-the-alarm-goes-off-i-want-to-write-no1-error-in-big-letters-please-tell-me-how-to-set-it-up/82384 "2023-10-27T08:28:28Z")

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HELLO What we want is to sound an alarm and display text when the temperature rises. Please refer to the data. flows (3).json (27.8 KB)

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## [When I try to install TensorFlow in node red i got the following error.I tried different way to install but not succeed](https://discourse.nodered.org/t/when-i-try-to-install-tensorflow-in-node-red-i-got-the-following-error-i-tried-different-way-to-install-but-not-succeed/82363)

<div class="topic-metadata">

**Author:** [@PRABHAKAR82](https://discourse.nodered.org/u/PRABHAKAR82)\
**Replies:** 3\
**Last updated:** [27 October 2023 08:25 UTC](https://discourse.nodered.org/t/when-i-try-to-install-tensorflow-in-node-red-i-got-the-following-error-i-tried-different-way-to-install-but-not-succeed/82363 "2023-10-27T08:25:45Z")

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2023-10-26T12:21:11.608Z Install : node-red-contrib-tensorflow 0.4.2 ----------------------------------------------------------- 2023-10-26T12:21:34.063Z Install : node-red-contrib-tensorflow 0.4.2 2023-10-26T12:21:3…

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## [Icons under delay node](https://discourse.nodered.org/t/icons-under-delay-node/82318)

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**Author:** [@tibmeister](https://discourse.nodered.org/u/tibmeister)\
**Replies:** 10\
**Last updated:** [27 October 2023 00:23 UTC](https://discourse.nodered.org/t/icons-under-delay-node/82318 "2023-10-27T00:23:26Z")

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This may sound like a dumb question, but the docs don't answer this for me. I have two delay nodes, both set to a random delay of 7 ~ 27 minutes. When the flow runs and hits these, one has a blue square with the number…

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## [Cannot click on edit on Layout link?](https://discourse.nodered.org/t/cannot-click-on-edit-on-layout-link/82344)

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**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\
**Replies:** 6\
**Last updated:** [27 October 2023 00:00 UTC](https://discourse.nodered.org/t/cannot-click-on-edit-on-layout-link/82344 "2023-10-27T00:00:00Z")

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Cannot click on edit on Layout link? Need to delete a link I created by mistake, but since i can't even click on edit? Really stuck! Help! Running NR version 3.1.0 on Pi OS 12 (Bookworm)

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## [SNMP OID Not Valid, but Linux CLI snmpwalk disagrees?](https://discourse.nodered.org/t/snmp-oid-not-valid-but-linux-cli-snmpwalk-disagrees/82377)

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**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\
**Replies:** 2\
**Last updated:** [26 October 2023 21:41 UTC](https://discourse.nodered.org/t/snmp-oid-not-valid-but-linux-cli-snmpwalk-disagrees/82377 "2023-10-26T21:41:24Z")

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So this OID... is choking up snmp node in node red? \[{"id":"96e7fdd3e7a204dc","type":"snmp","z":"d287cfa5c9da1fdc","host":"","version":"1","timeout":5,"community":"DD","auth":"noAuthNoPriv","authprot":"MD5","privprot":"…

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## [Nodered docker nginx](https://discourse.nodered.org/t/nodered-docker-nginx/82375)

<div class="topic-metadata">

**Author:** [@9toejack](https://discourse.nodered.org/u/9toejack)\
**Replies:** 7\
**Last updated:** [26 October 2023 21:20 UTC](https://discourse.nodered.org/t/nodered-docker-nginx/82375 "2023-10-26T21:20:58Z")

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Ok i finally am moving foward with securing my Node-Red, I am setting up a new pi, I have at the moment. setup security changes on the pi. itself. and I just installed docker. I have installed node-red in docker. quest…

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## [Modbus-Read function](https://discourse.nodered.org/t/modbus-read-function/82378)

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**Author:** [@Marv](https://discourse.nodered.org/u/Marv)\
**Replies:** 0\
**Last updated:** [26 October 2023 19:57 UTC](https://discourse.nodered.org/t/modbus-read-function/82378 "2023-10-26T19:57:49Z")

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I have a Modbus read function and a debug conectet and the read function is active but i cant read Out the values of my Current

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## [Anzeige der Knoten verzogen](https://discourse.nodered.org/t/anzeige-der-knoten-verzogen/82325)

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**Author:** [@Kudi](https://discourse.nodered.org/u/Kudi)\
**Replies:** 12\
**Last updated:** [26 October 2023 19:24 UTC](https://discourse.nodered.org/t/anzeige-der-knoten-verzogen/82325 "2023-10-26T19:24:40Z")

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Hallo zusammen, bei mir ist die Anzeige mit den Knoten verstellt, jetzt können einige nicht mehr bedient werden. Hat jemand eine Idee wie ich dies beheben kann?

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## [Disconnects with sql server](https://discourse.nodered.org/t/disconnects-with-sql-server/82373)

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**Author:** [@ebolisa](https://discourse.nodered.org/u/ebolisa)\
**Replies:** 1\
**Last updated:** [26 October 2023 16:55 UTC](https://discourse.nodered.org/t/disconnects-with-sql-server/82373 "2023-10-26T16:55:33Z")

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Hi, My project runs several nodes, some connect to an external mqtt server and others to an internal (home network) sql server on a Diskstation unit. When I go on extent vacations, I turn off my Diskstation server so, …

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## [Node red link to Ecowitt api](https://discourse.nodered.org/t/node-red-link-to-ecowitt-api/82337)

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**Author:** [@Giamma](https://discourse.nodered.org/u/Giamma)\
**Replies:** 4\
**Last updated:** [26 October 2023 16:49 UTC](https://discourse.nodered.org/t/node-red-link-to-ecowitt-api/82337 "2023-10-26T16:49:05Z")

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Hi, I bought one Ecowitt WH51 Soil Moisture Sensor and the Gateway GW1000 Wi-Fi. Now the problem is to have in node red the values values ​​detected by the Ecowitt api .. Do you have any ideas?

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## [Beginnen Nerds help](https://discourse.nodered.org/t/beginnen-nerds-help/82372)

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**Author:** [@Marv](https://discourse.nodered.org/u/Marv)\
**Replies:** 13\
**Last updated:** [26 October 2023 16:48 UTC](https://discourse.nodered.org/t/beginnen-nerds-help/82372 "2023-10-26T16:48:13Z")

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I have node red already installed (on windows) but every time i am closing it it is deleating everything and i am not Able to open the server with my Mobile Phone

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## [Send a message from a custom function node without output option](https://discourse.nodered.org/t/send-a-message-from-a-custom-function-node-without-output-option/82308)

<div class="topic-metadata">

**Author:** [@Lex](https://discourse.nodered.org/u/Lex)\
**Replies:** 20\
**Last updated:** [26 October 2023 15:42 UTC](https://discourse.nodered.org/t/send-a-message-from-a-custom-function-node-without-output-option/82308 "2023-10-26T15:42:04Z")

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Hi! I would like to send a message from a custom function node without an output option to "trigger" (like an inject node) another function node. I found a workaround using the node.error("done", msg) function and a cat…

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## [How to create an empty context object](https://discourse.nodered.org/t/how-to-create-an-empty-context-object/82355)

<div class="topic-metadata">

**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\
**Replies:** 25\
**Last updated:** [26 October 2023 13:55 UTC](https://discourse.nodered.org/t/how-to-create-an-empty-context-object/82355 "2023-10-26T13:55:16Z")

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So I'm testing if global.test is of type undefined with switch node and if it is, I then want to create it as an empty object But I can't come up with a method without using function node Is there one?

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## [Join node doesn't join all the messages](https://discourse.nodered.org/t/join-node-doesnt-join-all-the-messages/82342)

<div class="topic-metadata">

**Author:** [@AndreKR](https://discourse.nodered.org/u/AndreKR)\
**Replies:** 4\
**Last updated:** [26 October 2023 13:28 UTC](https://discourse.nodered.org/t/join-node-doesnt-join-all-the-messages/82342 "2023-10-26T13:28:44Z")

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I have a join node configured like this: You would expect a maximum of one message every 5 seconds coming from this node, wouldn't you? But watch what happens: I made another observation. So far the node function …

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## [Hello how to make buffer switch](https://discourse.nodered.org/t/hello-how-to-make-buffer-switch/82336)

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**Author:** [@ShinDongHen](https://discourse.nodered.org/u/ShinDongHen)\
**Replies:** 2\
**Last updated:** [26 October 2023 13:04 UTC](https://discourse.nodered.org/t/hello-how-to-make-buffer-switch/82336 "2023-10-26T13:04:37Z")

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hello The version is version 3.1. I am sending a buffer with a timestamp. Can I change this with a UI switch? First of all, thank you for your valuable answers. hello \[{"id":"4603204b.9780d","type":"debug","z":"4af5…

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## [STATUS node - bug report (maybe)](https://discourse.nodered.org/t/status-node-bug-report-maybe/82352)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 5\
**Last updated:** [26 October 2023 12:41 UTC](https://discourse.nodered.org/t/status-node-bug-report-maybe/82352 "2023-10-26T12:41:15Z")

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Ok, here it is. I hope this is the right place. I couldn't find a BUG REPORT section. STATUS node. I was writing code and changed it to selected nodes rather than the default all. Did some work. Deleted some code …

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## [How to revert Node from 20 to 18](https://discourse.nodered.org/t/how-to-revert-node-from-20-to-18/82323)

<div class="topic-metadata">

**Author:** [@IanH](https://discourse.nodered.org/u/IanH)\
**Replies:** 6\
**Last updated:** [26 October 2023 09:37 UTC](https://discourse.nodered.org/t/how-to-revert-node-from-20-to-18/82323 "2023-10-26T09:37:13Z")

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NR 3.1.0 Node 20.8.1 Raspberry Pi 3B, running Bullseye (just performed full update) Just updated as above and now node-red-contrib-telegrambot is no longer working (See GIT issue 343. I have tried to back the that …

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## [Securing Node-Red without command line](https://discourse.nodered.org/t/securing-node-red-without-command-line/82346)

<div class="topic-metadata">

**Author:** [@nygma2004](https://discourse.nodered.org/u/nygma2004)\
**Replies:** 3\
**Last updated:** [26 October 2023 07:49 UTC](https://discourse.nodered.org/t/securing-node-red-without-command-line/82346 "2023-10-26T07:49:34Z")

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Besides my main Node-Red server, I am also playing around with Node-Red on a Sonoff iHost. My question about securing Node-Red: how can I generate a password hash to configure the adminAuth section, if I don't have a com…

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