Amazon Web Services (AWS) delivers a set of services that together form a reliable, scalable, and inexpensive computing platform "in the cloud". If you have a question about a specific web service, consider asking on its tag, e.g., amazon-ec2.

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How to secure a group of Amazon EC2 instances

I have several Amazon EC2 instances running Ubuntu 10.04 and I've recently started using Amazon's Route 53 as my DNS. The purpose of doing that was to allow the instances to refer to each other by ...
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2answers
747 views

AWS ELB - Stress test - Transient Error

I'm doing stress testing of our system. Currently we have 5 m1.large instances running behind ELB, sitting in east region. In west region, there are 3 small instances (with JMeter) that I use to ...
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1answer
783 views

What is preventing Amazon's Route 53 from picking up my EC2 instance tags?

I have a number of Amazon EC2 instances, all running Ubuntu, which I'd like to configure to use Amazon's Route 53. I setup a script, following Shlomo Swidler's article, but ran into script-related ...
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1answer
475 views

EC2 instances go missing when shutdown

I am facing a strange issue in which I lose the instance when I shut it down. I launched publicly available ami-ccb35ea5 for Centos and after running it for couple of hours I bought it down but ...
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5answers
4k views

Can't authorize a server for Amazon RDS

We are attempting to slowly migrate a website over to AWS among other things. We decided the first thing to move was the database. We have some dedicated server with a different hosting provider. We ...
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2answers
1k views

Autoscaling and NFS Server

I have a WebServer say WS-1 and a NFS server say NFS-1 setup on AWS. WS-1 is being managed by an elastic load balancer and also autoscaled. It also has an EBS mounted on /var/www which contains all ...
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1answer
716 views

Converting EC2 instance from instance-store root device to EBS root device

I have a running 32-bit Windows EC2 instance whose root device is of type instance-store. I would like to bundle it, create an AMI, and then launch a new EC2 instance from that AMI, but change its ...
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2answers
3k views

What does the ELB do to determine the health of an instance?

What specificaly is involved in an Elastic Load Balancer health check on an instance? I know that it performas an HTTP(S) "ping"; does it just deem an instance "Unhealthy" if that HTTP request ...
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1answer
211 views

Amazon service equivalent to Rackspace's cloud sites?

I was wondering if any of you know an Amazon equivalent version of cloud sites from rackspace. I know they have services similar to cloud servers and files but not this? Basically, I'm looking for a ...
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4answers
5k views

How to automate an Amazon EC2 instance startup, execution of some commands and shutdown?

I need to download 100 GB of files (it’s in about 150 files) within a 7 day period before they expire. The download is rate-limited by the host so it takes MUCH longer than the theoretical transfer ...
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1answer
2k views

apache2 mod_proxy in conjuction with mod_rewrite not working as expected

I am trying to use mod_rewrite in conjunction with mod_proxy to deliver contents from a different internal webserver (http://webserver.internal.com/foo) through a (fake) subdirectory "foo" ...
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1answer
5k views

XMPP Server on EC2 Amazon Web Service (AWS)

My company uses OpenFire for server-side and smack for client-side in its XMPP Android application. AWS seems like a good and scalable service for what we need. We use it for testing our app, but ...
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3answers
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how do i set the dns server on godaddy with AWS?

I have a domain name on godaddy and i also have a amazon web services account. I have an EC2 instance and i want to change the dns nameserver on the godaddy control panel to aws and i have no idea ...
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8answers
19k views

Why can't I ssh into my new EC2 Instance?

I created a new instance (tiny, 64 bit AMI linux from Amazon) Created a new key pair called "mir". I downloaded mir.pem and put it in my ~/.ssh folder. I even did ssh-add mir.pem. Then I tried to ...
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2answers
764 views

Are there Amazon EC2 IAM Policy Actions for Tags?

I just had a look at the IAM user guide. Looks like the EC2 section is very short and not really detailed. Are there any IAM Policy Actions for creating/deleting EC2 insance tags? Something like ...
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2answers
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What is ephemeral storage good for?

I have been reading about the ephemeral storage with amazon ec2 and am trying to figure out what is the best way to use the 100s of GBs they supply you. If it isn't persistent, what can it be good ...
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1answer
201 views

How long does it typically take to apply for EC2?

I applied for an amazon web services account the other day, and most of the services have been provisioned for me and are available to use. The one I want to use however, is EC2, and it is stuck on ...
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2answers
1k views

Modified sshd_config on Amazon EC2 / AWS, now locked out from SSH

So, I pulled an absolutely amateur move and worked for twelve hours yesterday on a test installation on Amazon AWS/EC2. Full Drupal project nearly completed in one day, but, I screwed up ROYALLY. In ...
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3answers
2k views

Amazon S3 and Access-Control-Allow-Origin

Does Amazon S3 allow custom headers? Or am I out of luck? Access-Control-Allow-Origin: * Thanks in advance!
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1answer
218 views

Does setting an A record for a root domain set it (automatically) for subdomains?

I bought a domain from Dreamhost, but my servers are actually running on Amazon's AWS. I have an Elastic IP, say 1.1.1.1. In the Dreamhost panel, I've added an A record for my domain name, pointing ...
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3answers
22k views

Where does Amazon publish the range of IP addresses used for EC2 instances by region?

How can I keep updated of changes to the range of IP addresses that Amazon will use for EC2 instances. I want to add a range of IPs to my firewall settings to allow access to my 'ground based' mysql ...
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2answers
923 views

How to Setting up Amazon EC2 with own OS and DB?

i got my own version of OS and DB which are window server 2008 Hyper-V R2 and Sql server R2 2008 both in enterprise version may i know how to configure it up and running ? with amazon EC2, what other ...
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4answers
3k views

How much does it usually cost to host a small Wordpress blog on Amazon? [closed]

How much does it usually cost to host a small Wordpress blog on Amazon?
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1answer
467 views

Can I associate my spare Elastic IP addresses to an Amazon EC2 instance started in an Autoscale group and Monitoring?

I want to know if I can reserve a number of Amazon Elastic IP addresses and assign them to instances started by Autoscale. So basically, when a new instance is started because a trigger has been ...
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5answers
947 views

Opensource RightScale-like EC2 deployment management [closed]

Does anyone know if there are any solid opensource alternatives to RightScale for EC2 deployment+maintenance management? Basically what I'm looking for is: Script based AMI deployment and ...
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1answer
174 views

Does amazon web services support asp.net 4 and free mysql?

I am developing a small web application and thinking of deploying it on amazon web service. I couldn't figure out from their online documents if it's possible to host a .net 4 \ asp.net 4 application, ...
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2answers
5k views

How do you transfer AWS RDS snap shot to a different AWS account

I have an RDS database that I need to transfer a snapshot of to another AWS account. I understand there are issues being able to do this between availability zones so I'm really unsure if this is ...
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3answers
2k views

ec2 convert instance to reserved instance

I have an existing ec2 instance ( m1.small ). Based on a question here, I bought a reserved instance in same zone and same type. The note here ( and in amazon groups ) had mentioned that my existing ...
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1answer
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Amazon S3: allow users to upload on a restricted basis (per bucket maybe)?

I'm thinking about signing up to the Amazon S3 storage service. What I want to do is create a service where other people can register their own bucket with a certain amount of storage. These users ...
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2answers
5k views

How to resize Amazon EC2 instance?

Is it possible to resize an Amazon EC2 instance, e.g. convert from a small instance to a large instance? If so, what is the easiest way to resize Amazon EC2 instance? Like Rackspace Cloud Servers do ...
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3answers
379 views

How to Architect a system on AWS for scaling (with a MySQL back-end)

I'm trying to understand how to architect an Amazon Web Services application. As I understand it, the whole point of using something like AWS is to make the eventual scaling easier, so I'm trying to ...
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1answer
1k views

Map a URL bought with Dreamhost to Amazon EC2 (AWS)

I have several URLs I purchased through Dreamhost. I'm starting to use Amazon's AWS, and I'd like to map the URLs to Amazon. This is something of a silly question, and I've already done the same ...
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2answers
593 views

How do I move an Amazon micro instance to a small instance?

I want to move my instance to a micro instance to a small instance but when I try to launch a new AMI based on my Micro instance AMI it only gives me the option for 64 bit instances. My initial ami ...
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10answers
22k views

Why should I use Amazon Route 53 over my registrar's DNS servers?

I am building a site that I anticipate will have high usage. Currently, my registrar (GoDaddy) is handling DNS. However, Amazon's Route 53 looks interesting. They promise high speed and offer globally ...
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1answer
187 views

pdflush hanging on Amazon EBS drives when using multi-GB files - any workaround?

When I run gunzip on a 1.7GB file (which generates an 8GB file) on an EBS volume, pdflush freezes after gunzip runs and the CPU hangs indefinitely at 100% IO Wait. Here's the output from 'ps aux | ...
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1answer
415 views

bottle.py on EC2 micro instance causes 2 order of magnitude slowdown

Cross-posted from StackOverflow: I wrote a little toy script to solve this type of game, and put it on my new micro EC2 instance. It works perfectly, but while it takes around 0.5 seconds to run a ...
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2answers
509 views

Which AMI should I use as a base for a Django application?

I'm starting development of a Django application, on Amazon's Web Services. I'm looking to build an instance that will serve the Django. I don't have much experience with such things, having only ...
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2answers
979 views

Setting a price cap for AWS Free Tier

I'd like to setup a website on the Amazon AWS free tier but I'd like to be sure I won't lose any money if I see a sudden spike in traffic. Is there any way to set a cap on traffic or stop the server ...
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2answers
1k views

Using apt-get in Linux EC2 Micro Instance

I am trying to install apt on my Linux EC2 Micro Instance. I am trying to do as it is mentioned in the first answer of this question. But when I try to edit and save the sources.list file, I am ...
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3answers
5k views

Getting 'Permission denied (publickey)' error while ssh into EC2

I am trying to ssh into my EC2 instance, and get the following ssh verbose output. THe identity file is in a pem format, which is X.509, i think. I dont know the login name, or I could have tried ...
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1answer
1k views

Is it possible to map amazon S3 to a EC2 micro-instance?

I just created a Amazon Linux micro-instance and setup a S3 bucket & an EC2+EBS. I want to know, if at all it is possible, to map a S3 to an EC2 instance, preferably via ssh, and not from the ...
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2answers
887 views

AWS DNS service, registering domain

As i understand with amazon new route 53 dns service i can host domain names in their servers. but i don't understand where can i register domains (for example .com & .ru etc.) and transfer them ...
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4answers
5k views

How to get the amount of free disk space with CloudWatch?

Is it possible to get the amount of free disk space (df) with CloudWatch? If so, what metric represents the free disk space?
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3answers
8k views

How can I deploy a scalable, reliable haproxy cluster on Amazon EC2?

We need some more advanced functionality than ELB provides (mostly L7 inspection), but it's not obvious how to handle things like heartbeat and high availability with something like haproxy using EC2. ...
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4answers
8k views

Is it possible to move an AWS EC2 AMI from one region to another region and if so how?

I have an AWS EC2 AMI in the EU region. I want to move it to the US region. The root device type is EBS and the OS is Linux. Is it possible to transfer the image to the US region and if so how?
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1answer
568 views

Create an EBS based EC2 AMI from Ubuntu server with some tools installed

Download Ubuntu Server (last LTS version, 10.04) Install it under VirtualStudio, or any other VM. Install some useful stuff for GIS developers, like build essentials, PostgreSQL, PostGIS and GDAL ...
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2answers
6k views

Are EC2 security group changes effective immediately for running instances?

I have an EC2 instance running, and it belongs to a security group. If I add a new allowed connection to that security group through AWS Management Console, should that change be effective ...
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4answers
5k views

AWS EC2 and build-essential

I am trying to compile Node.js on Amazon EC2, but I can't even install "build essential". Where's the problem? Thanks. sudo yum install build-essential Loaded plugins: fastestmirror, security ...
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2answers
1k views

Set TTL for CloudFront files to 1 year

I know we can set the expires header to Amazon S3, but how do I set it for a cloudfront file ? I've read that we can set the TTL from 24hrs to 1hr, but I want to set it for 1 year.
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2answers
124 views

Best practice for routing requests to the right application server version on EC2

I'm following this procedure to deploy new application versions to EC2. When the new version proves stable, I update the A record of the DNS entry to route the traffic to the IP address of the new ...