# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=963

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

**Page:** 964

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## [Is it possible to pass dynamic values to registryType?](https://discourse.nodered.org/t/is-it-possible-to-pass-dynamic-values-to-registrytype/1031)

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**Author:** [@georgeena\_thomas](https://discourse.nodered.org/u/georgeena_thomas)\
**Replies:** 0\
**Last updated:** [24 June 2018 04:55 UTC](https://discourse.nodered.org/t/is-it-possible-to-pass-dynamic-values-to-registrytype/1031 "2018-06-24T04:55:11Z")

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I have a registryType function that creates a mongodb connection but I want the values it is using to register with to be dynamic. Is there a good way to do this?

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## [Anyone know of a backoff node or flow](https://discourse.nodered.org/t/anyone-know-of-a-backoff-node-or-flow/995)

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**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\
**Replies:** 20\
**Last updated:** [24 June 2018 05:00 UTC](https://discourse.nodered.org/t/anyone-know-of-a-backoff-node-or-flow/995 "2018-06-24T05:00:32Z")

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A few days ago, a flow went bananas and sent loads of messages off to my phone using Pushover (an android notification app) which meant I exceeded my free allocation for the month :frowning: To prevent this happning in …

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## ['save to file' node, set the first row](https://discourse.nodered.org/t/save-to-file-node-set-the-first-row/1024)

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**Author:** [@ardv](https://discourse.nodered.org/u/ardv)\
**Replies:** 14\
**Last updated:** [23 June 2018 21:28 UTC](https://discourse.nodered.org/t/save-to-file-node-set-the-first-row/1024 "2018-06-23T21:28:15Z")

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Hello, i want to save some data in a csv formatted file (which i can open with excel), i used the csv node, but when i open the files in excel it does not show the data in columns (all the line goes in 1 column). so i…

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## [Server Sent Events listener](https://discourse.nodered.org/t/server-sent-events-listener/558)

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**Author:** [@Eelco](https://discourse.nodered.org/u/Eelco)\
**Replies:** 1\
**Last updated:** [23 June 2018 20:08 UTC](https://discourse.nodered.org/t/server-sent-events-listener/558 "2018-06-23T20:08:41Z")

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Hi, I used https://flows.nodered.org/node/@ekaralis/node-red-contrib-sse-plus to create server side of SSE. Does anyone have a suggestion how to create a listener? I tried to replicate a curl command through http node…

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## [Node-RED is not yet fully installed Fetching Node-RED update](https://discourse.nodered.org/t/node-red-is-not-yet-fully-installed-fetching-node-red-update/992)

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**Author:** [@Hasan](https://discourse.nodered.org/u/Hasan)\
**Replies:** 11\
**Last updated:** [23 June 2018 09:51 UTC](https://discourse.nodered.org/t/node-red-is-not-yet-fully-installed-fetching-node-red-update/992 "2018-06-23T09:51:57Z")

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could you please help me for this issue

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## [Stops listening and restart won't work](https://discourse.nodered.org/t/stops-listening-and-restart-wont-work/777)

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**Author:** [@awasen](https://discourse.nodered.org/u/awasen)\
**Replies:** 20\
**Last updated:** [23 June 2018 08:59 UTC](https://discourse.nodered.org/t/stops-listening-and-restart-wont-work/777 "2018-06-23T08:59:53Z")

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Not really sure why this is happening and I can’t see anything in the logs but sometimes (every second/third day, or sometimes more often) the GUI stops responding. The port is still bound to 1880 and there are no errors…

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## [Node Red - Cisco Spark Integration: Code Review](https://discourse.nodered.org/t/node-red-cisco-spark-integration-code-review/999)

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**Author:** [@ebnerjoh](https://discourse.nodered.org/u/ebnerjoh)\
**Replies:** 1\
**Last updated:** [22 June 2018 14:39 UTC](https://discourse.nodered.org/t/node-red-cisco-spark-integration-code-review/999 "2018-06-22T14:39:17Z")

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Hi, As I am new and also not a programmer I want to ask you to do a review of my Cisco Spark integration. Basically my flow is working, but I think it can be done much better. Goal: Contact BOT and request Temperature …

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## [Sequential message send from function node](https://discourse.nodered.org/t/sequential-message-send-from-function-node/1004)

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**Author:** [@igrowing](https://discourse.nodered.org/u/igrowing)\
**Replies:** 4\
**Last updated:** [22 June 2018 13:02 UTC](https://discourse.nodered.org/t/sequential-message-send-from-function-node/1004 "2018-06-22T13:02:25Z")

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Hi guys, The Timer with UI feedback is being improved. One of possible improvements (code-wise) is controlling the output via one node (bigtimer in this case), not making workarounds. Accordingly to the guide, followi…

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## [Action settings in Manage Palette](https://discourse.nodered.org/t/action-settings-in-manage-palette/1003)

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**Author:** [@PKGeorgiev](https://discourse.nodered.org/u/PKGeorgiev)\
**Replies:** 5\
**Last updated:** [22 June 2018 11:22 UTC](https://discourse.nodered.org/t/action-settings-in-manage-palette/1003 "2018-06-22T11:22:41Z")

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Hi! Recently I had to deal with upgrading of one node to most recent version but had to remove it first. I’d noticed the “remove” button is missing from some packages. Some packages have “disable” button other not. Why i…

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## [Node Red and Cisco Spark: Node Red crashes](https://discourse.nodered.org/t/node-red-and-cisco-spark-node-red-crashes/994)

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**Author:** [@ebnerjoh](https://discourse.nodered.org/u/ebnerjoh)\
**Replies:** 3\
**Last updated:** [22 June 2018 07:27 UTC](https://discourse.nodered.org/t/node-red-and-cisco-spark-node-red-crashes/994 "2018-06-22T07:27:19Z")

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Hi, I want to write a Bot for Cisco Spark (Cisco Webex Team). Node Red: 0.18.7 Cisco Spark Plugin: node-red-contrib-spark 2.0.5 I made a very simple flow: After a 1 or two minutes my Node Red is crashing. Any ide…

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## [How to assure that some flow constants (like API keys) also become stored in the credentials file?](https://discourse.nodered.org/t/how-to-assure-that-some-flow-constants-like-api-keys-also-become-stored-in-the-credentials-file/962)

<div class="topic-metadata">

**Author:** [@janvda](https://discourse.nodered.org/u/janvda)\
**Replies:** 3\
**Last updated:** [21 June 2018 14:51 UTC](https://discourse.nodered.org/t/how-to-assure-that-some-flow-constants-like-api-keys-also-become-stored-in-the-credentials-file/962 "2018-06-21T14:51:06Z")

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Context: I am using the node-red github project feature for my flows running on a raspberry pi. One of the flows is using a dashboard template node with the following code: \<iframe style="width:580px; height:400px;" f…

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## [How to delete a windows file with EXEC node](https://discourse.nodered.org/t/how-to-delete-a-windows-file-with-exec-node/239)

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**Author:** [@arneym](https://discourse.nodered.org/u/arneym)\
**Replies:** 6\
**Last updated:** [21 June 2018 13:54 UTC](https://discourse.nodered.org/t/how-to-delete-a-windows-file-with-exec-node/239 "2018-06-21T13:54:15Z")

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How do I delete a file using the EXEC node? It works great with a Pi, but I’m sure Windows is preventing me from deleting. If I go to cmd, on Windows, I type: del c:\\users\\user\\documents\\filename.csv I get Access is d…

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## [Node-red behind an https proxy](https://discourse.nodered.org/t/node-red-behind-an-https-proxy/978)

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**Author:** [@keraton](https://discourse.nodered.org/u/keraton)\
**Replies:** 0\
**Last updated:** [21 June 2018 08:58 UTC](https://discourse.nodered.org/t/node-red-behind-an-https-proxy/978 "2018-06-21T08:58:42Z")

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Hi all, Thanks for the work on node-red, I really like it! I’m currently running behind an https proxy (content filter) which causes some problems when using, for instance, https APIs. The problem is caused by the filt…

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## [Scraping a parking server webpage. Question for the group to see if this can be done and how to scope it](https://discourse.nodered.org/t/scraping-a-parking-server-webpage-question-for-the-group-to-see-if-this-can-be-done-and-how-to-scope-it/981)

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**Author:** [@NRdiscrs9393](https://discourse.nodered.org/u/NRdiscrs9393)\
**Replies:** 0\
**Last updated:** [21 June 2018 12:23 UTC](https://discourse.nodered.org/t/scraping-a-parking-server-webpage-question-for-the-group-to-see-if-this-can-be-done-and-how-to-scope-it/981 "2018-06-21T12:23:55Z")

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I would like to get your opinion on how to scope this project in order for me to hire a Node Red programmer. There are 4 things that I want from this website. This issue is that there is no API for me to pull the data fr…

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## [Delete access token service restart or stop](https://discourse.nodered.org/t/delete-access-token-service-restart-or-stop/975)

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**Author:** [@rskhatri](https://discourse.nodered.org/u/rskhatri)\
**Replies:** 1\
**Last updated:** [21 June 2018 10:17 UTC](https://discourse.nodered.org/t/delete-access-token-service-restart-or-stop/975 "2018-06-21T10:17:45Z")

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Hi, I facing a issue related to access token. Once user has logged in and then restart the service of node red, the user is still logged in on restart. So, how to delete access token every time on start so every time l…

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## [Unable to log in to Pi](https://discourse.nodered.org/t/unable-to-log-in-to-pi/964)

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**Author:** [@Mastiff](https://discourse.nodered.org/u/Mastiff)\
**Replies:** 3\
**Last updated:** [21 June 2018 08:46 UTC](https://discourse.nodered.org/t/unable-to-log-in-to-pi/964 "2018-06-21T08:46:59Z")

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This is not a special Node-RED question, but I hope somebody may know the answer. I set my Pi up with a strong password because there’s several people getting access to the house during the summer, when I rent out to tou…

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## [Pi: Lost Palette manager, can't update](https://discourse.nodered.org/t/pi-lost-palette-manager-cant-update/924)

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**Author:** [@Mastiff](https://discourse.nodered.org/u/Mastiff)\
**Replies:** 45\
**Last updated:** [21 June 2018 07:50 UTC](https://discourse.nodered.org/t/pi-lost-palette-manager-cant-update/924 "2018-06-21T07:50:14Z")

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Colin, when you see this: Is there any personal info in the install log that I should remove before posting it?

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## [How to program a if-instruction in the template node by using html](https://discourse.nodered.org/t/how-to-program-a-if-instruction-in-the-template-node-by-using-html/953)

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**Author:** [@YT2310](https://discourse.nodered.org/u/YT2310)\
**Replies:** 2\
**Last updated:** [21 June 2018 06:07 UTC](https://discourse.nodered.org/t/how-to-program-a-if-instruction-in-the-template-node-by-using-html/953 "2018-06-21T06:07:50Z")

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Hello, I got a problem with my template node. in this node I load a Picture in the Dashboard. Now I want the picture to change when the payload changes too. Unfortunately I have no idea how to do this.

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## [Arduino sensor connect to node red](https://discourse.nodered.org/t/arduino-sensor-connect-to-node-red/970)

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**Author:** [@shahrunaim](https://discourse.nodered.org/u/shahrunaim)\
**Replies:** 2\
**Last updated:** [21 June 2018 06:16 UTC](https://discourse.nodered.org/t/arduino-sensor-connect-to-node-red/970 "2018-06-21T06:16:42Z")

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hello, does anyone have a tutorial on how connect arduino with sensor to node red

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## [Send Payload from one RPI to another RPI](https://discourse.nodered.org/t/send-payload-from-one-rpi-to-another-rpi/963)

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**Author:** [@pedrofu](https://discourse.nodered.org/u/pedrofu)\
**Replies:** 4\
**Last updated:** [20 June 2018 20:29 UTC](https://discourse.nodered.org/t/send-payload-from-one-rpi-to-another-rpi/963 "2018-06-20T20:29:27Z")

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Hello, I’m trying to send out the payload from a sensor reading from one Raspberry pi to another Raspberry Pi . This way I can have multiple readings in one Dashboard. I tried using the TCP output and Input and they c…

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## [Filter Payload Data for Dashboard](https://discourse.nodered.org/t/filter-payload-data-for-dashboard/887)

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**Author:** [@pedrofu](https://discourse.nodered.org/u/pedrofu)\
**Replies:** 4\
**Last updated:** [20 June 2018 18:01 UTC](https://discourse.nodered.org/t/filter-payload-data-for-dashboard/887 "2018-06-20T18:01:56Z")

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Hello, Noob question. I have a node extracting data from a BME 280 sensor. The payload comes out as follow {“temperature\_C”:21.77,“humidity”:52.70266127999612,“pressure\_hPa”:1005.302539660442,“model”:“BME280”,“heatIn…

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## [MSQL Result Object](https://discourse.nodered.org/t/msql-result-object/954)

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**Author:** [@fraser](https://discourse.nodered.org/u/fraser)\
**Replies:** 1\
**Last updated:** [20 June 2018 13:35 UTC](https://discourse.nodered.org/t/msql-result-object/954 "2018-06-20T13:35:00Z")

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I’m putting some data into a MySQL database - something I’ve done loads of times before - but with my current implementation I need to be able to return error data to a user. I seem to have what I need in the MySQL Resul…

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## [Node red node arduino problem](https://discourse.nodered.org/t/node-red-node-arduino-problem/952)

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**Author:** [@youthtech](https://discourse.nodered.org/u/youthtech)\
**Replies:** 1\
**Last updated:** [20 June 2018 10:08 UTC](https://discourse.nodered.org/t/node-red-node-arduino-problem/952 "2018-06-20T10:08:27Z")

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Hi, I am using windows 7. as attached in the picture, I have uninstall and reinstall node red for 3 times but this same problem still occur. the serialport module of node red is working fine, but this arduino can’t wor…

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## [Read data from weight scale via bluetooth](https://discourse.nodered.org/t/read-data-from-weight-scale-via-bluetooth/951)

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**Author:** [@ThanosMel](https://discourse.nodered.org/u/ThanosMel)\
**Replies:** 0\
**Last updated:** [20 June 2018 09:22 UTC](https://discourse.nodered.org/t/read-data-from-weight-scale-via-bluetooth/951 "2018-06-20T09:22:10Z")

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I want to read data from an omron weight scale that is using bluetooth Version 2.1 + EDR Class 2. The scale makes use of ISO/IEEE 11073. The scale has an upload button and each time that you press the upload button the s…

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## [Mysql ,node -red and Gpio](https://discourse.nodered.org/t/mysql-node-red-and-gpio/862)

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**Author:** [@Erdal](https://discourse.nodered.org/u/Erdal)\
**Replies:** 4\
**Last updated:** [20 June 2018 04:42 UTC](https://discourse.nodered.org/t/mysql-node-red-and-gpio/862 "2018-06-20T04:42:06Z")

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Hello, Can I turn on / off the led by pulling data from MySQL with node-red?

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## [Automatic Node Status Missing?](https://discourse.nodered.org/t/automatic-node-status-missing/923)

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**Author:** [@strangedesign13](https://discourse.nodered.org/u/strangedesign13)\
**Replies:** 5\
**Last updated:** [19 June 2018 14:16 UTC](https://discourse.nodered.org/t/automatic-node-status-missing/923 "2018-06-19T14:16:52Z")

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Hey All, I just did a full rebuild of my home automation system and during that work I moved from v0.17.5 to v0.18.7 and have noticed a small change that I don’t know is something that has just been removed or is someth…

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## [Node Red - issues with flow and Home Assistant](https://discourse.nodered.org/t/node-red-issues-with-flow-and-home-assistant/838)

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**Author:** [@ebnerjoh](https://discourse.nodered.org/u/ebnerjoh)\
**Replies:** 4\
**Last updated:** [19 June 2018 12:07 UTC](https://discourse.nodered.org/t/node-red-issues-with-flow-and-home-assistant/838 "2018-06-19T12:07:06Z")

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Hi, I have a very stupid beginner question. I am playing since two days with Node REd and Home Assistant, but I am struggeling with a very easy part: My issue is the upper flow: If I do an “inject” on “Fenster schli…

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## [Variable in function that keeps its value between each iteration](https://discourse.nodered.org/t/variable-in-function-that-keeps-its-value-between-each-iteration/921)

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**Author:** [@hary](https://discourse.nodered.org/u/hary)\
**Replies:** 1\
**Last updated:** [19 June 2018 11:54 UTC](https://discourse.nodered.org/t/variable-in-function-that-keeps-its-value-between-each-iteration/921 "2018-06-19T11:54:37Z")

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Hi, it’s me again ! I’ve seen somewhere how to do to keep the value of a variable between each pass of the function (like a counter for instance). I think it has to do with “global” or “context” or maybe both. But impo…

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## [http request node broken by Ubuntu 16.04 LTS update?](https://discourse.nodered.org/t/http-request-node-broken-by-ubuntu-16-04-lts-update/920)

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**Author:** [@BartD](https://discourse.nodered.org/u/BartD)\
**Replies:** 0\
**Last updated:** [19 June 2018 11:47 UTC](https://discourse.nodered.org/t/http-request-node-broken-by-ubuntu-16-04-lts-update/920 "2018-06-19T11:47:38Z")

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Hi, we are hosting node-red 0.18.4 on a Ununtu 16.04 LTS machine with Docker. Yesterday we did an apt-get update & apt-get upgrade on the server, and somehow this changed the behaviour of all our http request nodes. For…

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## [Node-red ui load fails on raspberry pi 1](https://discourse.nodered.org/t/node-red-ui-load-fails-on-raspberry-pi-1/915)

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**Author:** [@ThanosMel](https://discourse.nodered.org/u/ThanosMel)\
**Replies:** 8\
**Last updated:** [19 June 2018 10:55 UTC](https://discourse.nodered.org/t/node-red-ui-load-fails-on-raspberry-pi-1/915 "2018-06-19T10:55:00Z")

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Hello, i have some flows written on windows 10 machine and i want to run those flows on my raspberry pi 1 model b+. Before i run those flows on the rp1 i have to make some changes(e.g change the path in file node). When …

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