Questions tagged [aws-iot-greengrass]

This is used for AWS IOT Greengrass discussions. AWS IoT Greengrass is an Internet of Things (IoT) open source edge runtime and cloud service that helps developers build, deploy, and manage device software. https://aws.amazon.com/greengrass/

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How to use AWS IoT rule engine locally at AWS IoT greengrass?

Is there a way to use AWS IoT rule engine locally at AWS IoT greengrass? Is the rule engine a feature of AWS IoT core (cloud) only? Is a lambda function deployed to the local AWS IoT greengrass that subscribes to a topic and takes an action an…
variable
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Does AWS Greengrass lambda support for .Net core runtime?

Is there any way to use .Net core as lambda runtime to deploy on edge device? As per AWS documentation,SDK available only in Java , Node JS , Python and C. I want to deploy .Net core package on my edge device through AWS greenGrass group which can…
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Are Lambda Layers supported for Lambdas deployed to Greengrass?

I am trying to deploy a binary utility along with my Python-based lambda to a Greengrass group. Using a layer seemed like a natural way to accomplish this. No errors are encountered during the deployment, but I cannot find any evidence that the…
Rob Davis
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Best way to invoke a long live lambda function deployed with Greengrass Core?

I am new to AWS IOT Greengrass & Lambda. I am working on a proof of concept that: Send data from IOT device to gateway (running greengrass software). process the data with Lambda function that is deployed on the gateway, which then forward the data…
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Greengrass Error when start Daemon "No hardlink/softlink protection enabled" in Android 7 Nougat Shell

Can't start greengrass daemon core Setting up greengrass daemon Validating hardlink/softlink protection AWS Greengrass detected insecure OS configuration: No hardlink/softlink protection enabled.
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How can I remove a stack with serverless greengrass plugin?

I am using kepware to collect data and send it to AWS greengrass IoT Core. I deploy my project with serverless and the plugin serverless-plugin-greengrass. Here a part of my serverless file: [...] functions: opcuaPubSub: description: Lambda…
Gab
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Local AWS lambda function (greengrass) does not execute

I am new in AWS, and I am using AWS IoT greengrass. I have some issues to invoke a Lambda function from the greengrass device. I am trying to do this: https://docs.aws.amazon.com/greengrass/latest/developerguide/lambda-functions.html with a little…
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Is it possible to listen for changes to a shadow with aws-greengrass-core-sdk?

Currently we are using the greengrass core shadow to pass a config file to our app, if any changes are made to the shadow we want to update the config. Currently we are using the aws-iot-device-sdk and subscribing to the shadow, in an ideal…
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how can I upload aws lambda function with greengrass env?

I'm tryng to learn aws greengrass and stuck in creating lambda function which requires greengrass sdk env. for running helloworld code in python. As I have no device So I used one EC2 instance acting as an edge device. While uploading the code in…
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AWS IOT Greengrass x509: certificate signed by unknown authority MQTT[client] Failed to connect to a broker

I am trying to deploy a greengrass group but the deployment goes on (in progress). The errors which im facing are: "MQTT client is failed to connect to a broker" MQTT[client] x509: certificate signed by unknown authority Requested certificate…
Asad
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How to verify that AWS lambda function is running on raspberry pi 3 for Greengrass?

I am preferring official AWS doc for AWS Greengrass setup in RaspberryPi3. I have already completed Module 1: Environment Setup for Greengrass Module 2: Installing the AWS IoT Greengrass Core Software When it comes to Module 3 (Part 1): Lambda…
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How to store sensor readings in aws greengrass?

I'm trying to build an aws greengrass setup with 100 sensors connected. Is it possible to store sensor readings in greengrass locally when the internet connection is lost ? Is there an inbuilt Dynamodb alternative in AWS greengrass ? What is the…
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How to connect a device (which is outside the greengrass group) to a greengrass group?

How can one connect the java application running outside the greengrass group to a greengrass group ? Kindly help me with this. Any thoughts/suggestions are appreciated.
Vikram
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Greengrass_HelloWorld lambda doesn't publish to Amazon IoT console

I have been following the documentation in every step, and I didn't face any errors. Configured, deployed and made a subscription to hello/world topic just as the documentation detailed. However, when I arrived at the testing step here:…
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AWS GreenGrass connectivity issues

greengrass v1.8.1 log [2019-08-02T03:30:28.743-04:00][WARN]-MQTT[client] dial tcp: lookup a1ijl5s1n8kf6a-ats.iot.us-east-1.amazonaws.com on 127.0.0.53:53: read udp 127.0.0.1:49567->127.0.$ [2019-08-02T03:30:28.743-04:00][WARN]-MQTT[client] …
Dinesh K
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