# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1361

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

**Page:** 1362

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## [Node-red-contrib-moment - breaking update - looking for input](https://discourse.nodered.org/t/node-red-contrib-moment-breaking-update-looking-for-input/3380)

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**Author:** [@TotallyInformation](https://discourse.nodered.org/u/TotallyInformation)\
**Replies:** 8\
**Last updated:** [25 September 2018 15:00 UTC](https://discourse.nodered.org/t/node-red-contrib-moment-breaking-update-looking-for-input/3380 "2018-09-25T15:00:18Z")

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Hi all. I'm looking for input about a potential change to my node-red-contrib-moment node. Currently, there is a slight issue when you supply data that isn't a date/time. According to the build-in warning, you should ge…

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## [Cron not found problem](https://discourse.nodered.org/t/cron-not-found-problem/3418)

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**Author:** [@jhon.zambrano](https://discourse.nodered.org/u/jhon.zambrano)\
**Replies:** 4\
**Last updated:** [25 September 2018 13:29 UTC](https://discourse.nodered.org/t/cron-not-found-problem/3418 "2018-09-25T13:29:51Z")

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Hi, recently i have seen this message on debug , after this message, sometimes Deploy button detect changes on my flows trying to add new flows and nodes Regards ! jhon

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## [Can't load a node beetween users](https://discourse.nodered.org/t/cant-load-a-node-beetween-users/3408)

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**Author:** [@Balouzard](https://discourse.nodered.org/u/Balouzard)\
**Replies:** 6\
**Last updated:** [25 September 2018 13:14 UTC](https://discourse.nodered.org/t/cant-load-a-node-beetween-users/3408 "2018-09-25T13:14:25Z")

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Hello everyone ! I'm having an issue using node-red. Basically I programmed a pretty complex automation system. I did it all with my default user (pi). I needed some 3rd party nodes so I installed them using npm (since …

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## [Issue with a switch](https://discourse.nodered.org/t/issue-with-a-switch/3302)

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**Author:** [@General\_Failure](https://discourse.nodered.org/u/General_Failure)\
**Replies:** 6\
**Last updated:** [25 September 2018 09:37 UTC](https://discourse.nodered.org/t/issue-with-a-switch/3302 "2018-09-25T09:37:16Z")

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Hi, first time using node-red and enjoying it. I'm following this idea, and I'm trying to add features. Namely having status lights. I want a stand-by LED and a Failure LED to light up when appropriate. The first when …

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## [MCP3008 SPI chip select on Node-RED](https://discourse.nodered.org/t/mcp3008-spi-chip-select-on-node-red/3430)

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**Author:** [@janoslaszlo](https://discourse.nodered.org/u/janoslaszlo)\
**Replies:** 0\
**Last updated:** [25 September 2018 08:04 UTC](https://discourse.nodered.org/t/mcp3008-spi-chip-select-on-node-red/3430 "2018-09-25T08:04:30Z")

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I am using Node-RED on Raspberry Pi 3 Model B+ to read data from 2 pcs MCP3008 ADCs via SPI. Both ADCs are connected to SPI0 using CE0 and CE1 chip selects. The Node-RED package is node-red-node-pi-mcp3008 (0.2.0). The…

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## [Watch node problem when a file is deleted](https://discourse.nodered.org/t/watch-node-problem-when-a-file-is-deleted/3426)

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**Author:** [@ThanosMel](https://discourse.nodered.org/u/ThanosMel)\
**Replies:** 2\
**Last updated:** [25 September 2018 08:00 UTC](https://discourse.nodered.org/t/watch-node-problem-when-a-file-is-deleted/3426 "2018-09-25T08:00:12Z")

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I am currently having an issue with watch node. I want to trigger the watch node when a new file is created in a directory but not when a file is deleted in the same directory. Is this possible by using only the watch no…

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## [Node Red deployable file](https://discourse.nodered.org/t/node-red-deployable-file/3161)

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**Author:** [@prashantabellad](https://discourse.nodered.org/u/prashantabellad)\
**Replies:** 27\
**Last updated:** [24 September 2018 20:07 UTC](https://discourse.nodered.org/t/node-red-deployable-file/3161 "2018-09-24T20:07:39Z")

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Hi, I am developing node-red flows for an application. How to create a deployable file similar to WAR or .exe file. Also how to deploy the same?

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## [General questions about home automation design in Node-RED](https://discourse.nodered.org/t/general-questions-about-home-automation-design-in-node-red/3060)

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**Author:** [@hazymat](https://discourse.nodered.org/u/hazymat)\
**Replies:** 5\
**Last updated:** [24 September 2018 19:39 UTC](https://discourse.nodered.org/t/general-questions-about-home-automation-design-in-node-red/3060 "2018-09-24T19:39:00Z")

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Hello Thanks to @knolleary for prompting me on twitter to pop some ideas down here on the forum. And a request for help! New Node-RED convert here, and I have a "there are many ways to skin a cat" kind of question. Get…

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## [Question about node-red-node-random](https://discourse.nodered.org/t/question-about-node-red-node-random/3398)

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**Author:** [@drmibell](https://discourse.nodered.org/u/drmibell)\
**Replies:** 8\
**Last updated:** [24 September 2018 19:18 UTC](https://discourse.nodered.org/t/question-about-node-red-node-random/3398 "2018-09-24T19:18:31Z")

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According to the README for node-red-node-random, in floating-point mode this node gives a random output, x, that is strictly between the given maximum and minimum values, that is, min \< x \< max. However, everything I've…

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## [How to reference context based on topic (without using function node)?](https://discourse.nodered.org/t/how-to-reference-context-based-on-topic-without-using-function-node/3384)

<div class="topic-metadata">

**Author:** [@Riven5](https://discourse.nodered.org/u/Riven5)\
**Replies:** 5\
**Last updated:** [24 September 2018 18:35 UTC](https://discourse.nodered.org/t/how-to-reference-context-based-on-topic-without-using-function-node/3384 "2018-09-24T18:35:49Z")

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Basically I'm wondering if there's a way to do the equivalent of flow.set(msg.topic,"foo"); in a Change node and switch(flow.get(msg.topic)) in a Switch. I've tried variations of $(x) , $.x , {{x}}, and \[x\] with no luck…

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## [Dashboard template node with own filters?](https://discourse.nodered.org/t/dashboard-template-node-with-own-filters/3375)

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**Author:** [@Mumin](https://discourse.nodered.org/u/Mumin)\
**Replies:** 3\
**Last updated:** [24 September 2018 15:41 UTC](https://discourse.nodered.org/t/dashboard-template-node-with-own-filters/3375 "2018-09-24T15:41:47Z")

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Hi, I am using Dashboard template node to show a table. Working so far. Now I need to add a custom filter in ng-repeat but cannot find out how to to that correctly. Below is my example. I add a new filter "MyFilter" a…

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## [Serial Input - No Response](https://discourse.nodered.org/t/serial-input-no-response/3392)

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**Author:** [@krk](https://discourse.nodered.org/u/krk)\
**Replies:** 3\
**Last updated:** [24 September 2018 14:09 UTC](https://discourse.nodered.org/t/serial-input-no-response/3392 "2018-09-24T14:09:18Z")

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I'm just getting started with Node-RED and I'm having some issues receiving any data from a serial port. My Setup: -I have an old Pioneer AVR (VSX-82TXS) which can be controlled via RS232. -I'm using Digi PortServer t…

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## [\[SOLVED\]How to split message& save to mysql](https://discourse.nodered.org/t/solved-how-to-split-message-save-to-mysql/3401)

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**Author:** [@junoprima](https://discourse.nodered.org/u/junoprima)\
**Replies:** 6\
**Last updated:** [24 September 2018 09:23 UTC](https://discourse.nodered.org/t/solved-how-to-split-message-save-to-mysql/3401 "2018-09-24T09:23:26Z")

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Hello i'm new in node-red and mysql i need to put data from udp to mysql if i send direct without split message i can insert it into my sql i got this error "msg.topic : the query is not defined as a string" This m…

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## [Just created node (not saved) and RED.nodes.getNode](https://discourse.nodered.org/t/just-created-node-not-saved-and-red-nodes-getnode/3391)

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**Author:** [@10der](https://discourse.nodered.org/u/10der)\
**Replies:** 7\
**Last updated:** [24 September 2018 06:59 UTC](https://discourse.nodered.org/t/just-created-node-not-saved-and-red-nodes-getnode/3391 "2018-09-24T06:59:48Z")

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Hi! own created node. drop my node to flow set configuration in the field trying lookup some information based on configuration field server: { value: "", type: "hc2-server-config", required: true }, (ip/login/pwd…

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## [Error: Server responded with a non-101 status: 429](https://discourse.nodered.org/t/error-server-responded-with-a-non-101-status-429/3366)

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**Author:** [@SteveMann](https://discourse.nodered.org/u/SteveMann)\
**Replies:** 8\
**Last updated:** [24 September 2018 06:13 UTC](https://discourse.nodered.org/t/error-server-responded-with-a-non-101-status-429/3366 "2018-09-24T06:13:58Z")

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I am getting this error in my debug panel: Error: Server responded with a non-101 status: 429 Too Many Requests Response Headers Follow: date: Sat, 22 Sep 2018 22:51:23 GMT content-length: 0 content-type: text/plain; c…

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## [Odd Node Error: "unknown push type: sms\_changed content:](https://discourse.nodered.org/t/odd-node-error-unknown-push-type-sms-changed-content/3354)

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**Author:** [@Unpuertomex](https://discourse.nodered.org/u/Unpuertomex)\
**Replies:** 2\
**Last updated:** [22 September 2018 18:37 UTC](https://discourse.nodered.org/t/odd-node-error-unknown-push-type-sms-changed-content/3354 "2018-09-22T18:37:49Z")

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I haven't made changes to any of my flow for a week now, but all of a sudden I start to get this error everytime I send or receive or send a text on my phone (Andriod), odd. Here are a couple of screenshots. The nod…

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## [Send Email To NR And Reply](https://discourse.nodered.org/t/send-email-to-nr-and-reply/3355)

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**Author:** [@seth350](https://discourse.nodered.org/u/seth350)\
**Replies:** 8\
**Last updated:** [22 September 2018 15:16 UTC](https://discourse.nodered.org/t/send-email-to-nr-and-reply/3355 "2018-09-22T15:16:37Z")

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Hello folks, I had a request today and was not sure if it was possible so I thought I would ask. Can an email be sent to Node-Red running on a RPi3B+, then make NodeRed reply to the last email’s sender with data? Exam…

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## [Subflow input's](https://discourse.nodered.org/t/subflow-inputs/3352)

<div class="topic-metadata">

**Author:** [@real-prometheus](https://discourse.nodered.org/u/real-prometheus)\
**Replies:** 7\
**Last updated:** [22 September 2018 14:24 UTC](https://discourse.nodered.org/t/subflow-inputs/3352 "2018-09-22T14:24:29Z")

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Is there a reason why a subflow can only have no or one input? Using subflow to built components it would be very helpful to have multiple inputs. E.g. a shutter component can have one bool input for up/down and a second…

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## [Smooth graph in chart](https://discourse.nodered.org/t/smooth-graph-in-chart/3335)

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**Author:** [@neophilipp](https://discourse.nodered.org/u/neophilipp)\
**Replies:** 4\
**Last updated:** [22 September 2018 14:19 UTC](https://discourse.nodered.org/t/smooth-graph-in-chart/3335 "2018-09-22T14:19:19Z")

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Hello, i look for a way to "smooth" the graph. I dont like the small corners in it. The data came from a array from a mysql database. Hope you know what i mean?! Thanks for help-

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## [Encapsulated Modbus RTU](https://discourse.nodered.org/t/encapsulated-modbus-rtu/3319)

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**Author:** [@88bit](https://discourse.nodered.org/u/88bit)\
**Replies:** 2\
**Last updated:** [22 September 2018 02:10 UTC](https://discourse.nodered.org/t/encapsulated-modbus-rtu/3319 "2018-09-22T02:10:57Z")

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Hi I need a little help, I have a device which outputs Modbus over RS 485. I use a Modbus to Ethernet converter which encapsulates the Modbus data into an Ethernet packet. I use the amassing node-red-contrib-modbus nod…

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## [I need to display a program event log in dashboard](https://discourse.nodered.org/t/i-need-to-display-a-program-event-log-in-dashboard/1695)

<div class="topic-metadata">

**Author:** [@tree-frog](https://discourse.nodered.org/u/tree-frog)\
**Replies:** 19\
**Last updated:** [21 September 2018 23:11 UTC](https://discourse.nodered.org/t/i-need-to-display-a-program-event-log-in-dashboard/1695 "2018-09-21T23:11:06Z")

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I need to display an event log for monitoring activity of the program. Is there such a tool or use Text ouput to display a continually growing list of entries which the program displays on a limited window? Is anyone d…

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## [Installing via Docker problems](https://discourse.nodered.org/t/installing-via-docker-problems/3324)

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**Author:** [@christianwaite](https://discourse.nodered.org/u/christianwaite)\
**Replies:** 9\
**Last updated:** [21 September 2018 22:30 UTC](https://discourse.nodered.org/t/installing-via-docker-problems/3324 "2018-09-21T22:30:23Z")

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Hi. I've just moved from a RPi running HassOS for Home-Assistant which had everything setup lovely to going it on my own with Ubuntu18.04 headless server with docker-compose/portainer. I have everything setup apart from…

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## [Use SPI1 in Node-RED](https://discourse.nodered.org/t/use-spi1-in-node-red/3329)

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**Author:** [@cyberporkexception](https://discourse.nodered.org/u/cyberporkexception)\
**Replies:** 4\
**Last updated:** [21 September 2018 21:50 UTC](https://discourse.nodered.org/t/use-spi1-in-node-red/3329 "2018-09-21T21:50:48Z")

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I use the "node-red-node-pi-mcp3008" to operate with my MCP3008 A/D Converter Chip. In this Node i can change the Chip Select line CE0 and CE1 of the SPI0 Bus. I want to use the SPI1 from my Raspberry PI3 for another M…

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## [Automated Load Shedding](https://discourse.nodered.org/t/automated-load-shedding/3348)

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**Author:** [@ShawnHatton](https://discourse.nodered.org/u/ShawnHatton)\
**Replies:** 2\
**Last updated:** [21 September 2018 20:43 UTC](https://discourse.nodered.org/t/automated-load-shedding/3348 "2018-09-21T20:43:27Z")

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Does anyone know of a way to automate load shedding of internal resources to Node-Red? For example, if my CPU usage is increasing, I would like to shed some low priority flows/processes to prevent a catastrophic failure…

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## [Google-home-notify get key failed error](https://discourse.nodered.org/t/google-home-notify-get-key-failed-error/3338)

<div class="topic-metadata">

**Author:** [@nmatt25](https://discourse.nodered.org/u/nmatt25)\
**Replies:** 2\
**Last updated:** [21 September 2018 15:13 UTC](https://discourse.nodered.org/t/google-home-notify-get-key-failed-error/3338 "2018-09-21T15:13:06Z")

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the problem that I am having is with a flow that has been working for a couple of months now but just recently stopped. The flow is for monitoring 2 presence sensors and announcing the changes on our google home speakers…

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## [Cannot calculate date difference in NodeRed?!](https://discourse.nodered.org/t/cannot-calculate-date-difference-in-nodered/3257)

<div class="topic-metadata">

**Author:** [@diversit](https://discourse.nodered.org/u/diversit)\
**Replies:** 6\
**Last updated:** [21 September 2018 14:16 UTC](https://discourse.nodered.org/t/cannot-calculate-date-difference-in-nodered/3257 "2018-09-21T14:16:20Z")

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Hi, I'm writing a function where I want to calculate the difference between when current message was received and a previous message. The previous date timestamp is stored in a context variable. When I do: var previou…

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## [Time Delay For Pulse Trigger Digital Output](https://discourse.nodered.org/t/time-delay-for-pulse-trigger-digital-output/3317)

<div class="topic-metadata">

**Author:** [@mrizkywiguna](https://discourse.nodered.org/u/mrizkywiguna)\
**Replies:** 4\
**Last updated:** [21 September 2018 14:12 UTC](https://discourse.nodered.org/t/time-delay-for-pulse-trigger-digital-output/3317 "2018-09-21T14:12:01Z")

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Hi All, I'm stuck in delay function for pulse delay signal High and Low. I've tried trigger node, but i cant control the low signal time. So, i want control relay with specific time in high position and low position. …

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## [\[connected hive\] program automatic sms reception and deletion](https://discourse.nodered.org/t/connected-hive-program-automatic-sms-reception-and-deletion/2990)

<div class="topic-metadata">

**Author:** [@Ymer\_G](https://discourse.nodered.org/u/Ymer_G)\
**Replies:** 12\
**Last updated:** [21 September 2018 10:33 UTC](https://discourse.nodered.org/t/connected-hive-program-automatic-sms-reception-and-deletion/2990 "2018-09-21T10:33:28Z")

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Howdy, currently I work in a project of connected hive, I am working on a program that allows me to retrieve SMS messages received from a Huawei 3G E3531 key and then insert them into the mysql database. However, after c…

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## [Thoughts about the "install/upgrade" operations](https://discourse.nodered.org/t/thoughts-about-the-install-upgrade-operations/3318)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 4\
**Last updated:** [21 September 2018 09:15 UTC](https://discourse.nodered.org/t/thoughts-about-the-install-upgrade-operations/3318 "2018-09-21T09:15:22Z")

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Yeah, I know..... In light of recent events, and the message: Any errors will be logged to /var/log/nodered-install.log Alas that gets a bit BIG when looking for an error, or why it didn't update. Suggestion: (And…

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## [Just upgraded NR on my RPI and guess what happened](https://discourse.nodered.org/t/just-upgraded-nr-on-my-rpi-and-guess-what-happened/3316)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 5\
**Last updated:** [21 September 2018 06:33 UTC](https://discourse.nodered.org/t/just-upgraded-nr-on-my-rpi-and-guess-what-happened/3316 "2018-09-21T06:33:22Z")

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In sort of light of my recent UBUNTU install/update I decided to update my MAIN RPI machine to get the latest features. Though 18.04 was doing fine, I feel I need to keep up with everyone else. Did the "magic command" …

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