Questions tagged [amazon-web-services]

Amazon Web Services (AWS) is a cloud service that offers IaaS (Infrastructure as a Service) and SaaS (Software as a Service) solutions. Only questions about programming in relation to AWS are on-topic. General server help can be obtained at The AWS tag is rarely used alone and will usually be used with other tags to more clearly define the topic of the question.

If you need help setting up AWS resources, ask those questions on Server Fault.

AWS is a cloud service that offers IaaS (Infrastructure as a Service) and SaaS (Software as a Service).

SDKs to access and manage Amazon Web Services are provided in a multitude of programming languages, including PHP, Java, .NET, Node.js, Python, and more. The services are also accessible through REST and SOAP APIs, a command-line interface, and a web console.


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Why do people use Heroku when AWS is present? What distinguishes Heroku from AWS?

I'm a beginner RoR programmer who's planning to deploy my app using Heroku. Word from my other advisor friends says that Heroku is really easy, good to use. The only problem is that I still have no idea what Heroku does... I've looked at their…
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Downloading an entire S3 bucket?

I noticed that there does not seem to be an option to download an entire s3 bucket from the AWS Management Console. Is there an easy way to grab everything in one of my buckets? I was thinking about making the root folder public, using wget to grab…
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"UNPROTECTED PRIVATE KEY FILE!" Error using SSH into Amazon EC2 Instance (AWS)

I've created a new linux instance on Amazon EC2, and as part of that downloaded the .pem file to allow me to SSH in. When I tried to ssh with: ssh -i myfile.pem I got: @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @ …
Matt Roberts
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What is the difference between Amazon SNS and Amazon SQS?

When would I use SNS versus SQS, and why are they always coupled together?
Nick Ginanto
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Change key pair for ec2 instance

How do I change the key pair for my ec2 instance in AWS management console? I can stop the instance, I can create new key pair, but I don't see any link to modify the instance's key pair.
Michael Chen
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How to pass a querystring or route parameter to AWS Lambda from Amazon API Gateway

for instance if we want to use GET /user?name=bob or GET /user/bob How would you pass both of these examples as a parameter to the Lambda function? I saw something about setting a "mapped from" in the documentation, but I can't find that setting in…
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scp (secure copy) to ec2 instance without password

I have an EC2 instance running (FreeBSD 9 AMI ami-8cce3fe5), and I can ssh into it using my amazon-created key file without password prompt, no problem. However, when I want to copy a file to the instance using scp I am asked to enter a…
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What is difference between Lightsail and EC2?

Recently Amazon launched Lightsail. Is there any difference between them? If yes, then what's the difference? Are Lightsail instances more powerful than EC2?
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How to get an AWS EC2 instance ID from within that EC2 instance?

How can I find out the instance id of an ec2 instance from within the ec2 instance?
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Can an AWS Lambda function call another

I have 2 Lambda functions - one that produces a quote and one that turns a quote into an order. I'd like the Order lambda function to call the Quote function to regenerate the quote, rather than just receive it from an untrusted client. I've looked…
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Is there a way to list all resources in AWS

Is there a way to list all resources in AWS? For all regions, all resources.. Such as list all EC2 instances, all VPCs, all APIs in API Gateway, etc... I would like to list all resources for my account, since it's hard for me to find which…
Lakin Lu
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AWS EFS vs EBS vs S3 (differences & when to use?)

As per the title of this question, what are the practical differences between AWS EFS, EBS and S3? My understanding of each: S3 is a storage facility accessible any where EBS is a device you can mount onto EC2 EFS is a file system you can mount…
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Difference between Amazon EC2 and AWS Elastic Beanstalk

What is the difference between EC2 and Beanstalk? I want to know regarding SaaS, PaaS and IaaS. To deploy a web application in Wordpress I need a scalable hosting service. If there anything better than my purpose, please let me know as well. FYI - I…
10 answers

Benefits of EBS vs. instance-store (and vice-versa)

I'm unclear as to what benefits I get from EBS vs. instance-store for my instances on Amazon EC2. If anything, it seems that EBS is way more useful (stop, start, persist + better speed) at relatively little difference in cost...? Also, is there any…
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Connect to Amazon EC2 file directory using Filezilla and SFTP

I have created an AWS EC2 Instance and I want to be able to upload files to the server directory using FileZilla in the simplest and most straightforward fashion possible.
Eric Brotto
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