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 schedule automatic (daily) snapshots of AWS EC2 Windows Instance?

I have some Windows servers hosted on Amazon EC2. Some run Windows Server 2003 and other run Windows Server 2008. These are EBS-backed instances. Most of the instances also have some additional ...
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Keep alive timeout not being respected on Amazon ELB

I'm using Tomcat 6.0.24 on Ubuntu (JDK 1.6) with an app that does Comet-style requests on an HTTPS connector (directly against Tomcat, not using APR). I'd like to set the keep-alive to 5 minutes so I ...
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AWS: Multi-region setup using single RDS instance

I'm trying to scale our web application (PHP, MySQL, memcache) in a multi-region scheme. Currently we are using a setup with two EC2 instances behind an ELB and an RDS instance, all of them in US-EAST ...
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Amazon Web Services - How do I use IAM to restrict a single user to managing a single EC2 instance?

I would like to: Create an IAM user Restrict that user to be able to have full management over a single EC2 Instance only. Example: While the AWS EC2 account has 10 instances, the new user, ...
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Amazon EC2 tools for Debian?

What is the recommended way of getting command-line Amazon EC2 tools on Debian? So, basically the same as this question, but for EC2 instead of S3. Ubuntu has ec2-ami-tools and ec2-api-tools, but I ...
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How do I set a VPC in AWS to 'default VPC' = true?

I have one VPC set up in AWS, but Default VPC is set to 'false'. How can i change it to true, and make it the default VPC?
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Running Rails3 with force_ssl = true, with nginx, on AWS EC2 with SSL terminated by an ELB, setting up health check

I want to run my entire Rails app with SSL, so I thought to use Rails' global force_ssl config option, which works great, except that the ELB's healthchecker will never work because if I set it to ...
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Is there a decent GUI for Amazon Route 53?

Because frankly it's a bit tricky without...
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How to create EBS based EC2 AMI from scratch?

after Amazon announced the new EBS based AMIs, I'm wondering if it is or will be possible to create new AMIs that are not based on the existing Fedora/Windows AMIs. The documentation says: The ...
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Aws vpc default route table in CloudFormation

Am I missing something but is there no way to add a route via CloudFormation to the default route table that comes provisioned with a VPC?
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What algorithm does Amazon ELB use to balance load?

I found this in the official ELB documentation By default, a load balancer routes each request independently to the application instance with the smallest load. but an article on Newvem says ...
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Deploy an AWS Auto Scaling groups using Chef Server

You can, for example, to deploy an an Auto Scaling groups consists of web severs, ELB and DB using AWS CloudFormation (with Chef server): ...
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Options for PCI-DSS on AWS - file integrity monitoring and intrusion detection

I need to deploy some file integrity monitoring and intrusion detections software on AWS instances. I really wanted to use OSSEC, however it does not work well in an environment where servers can ...
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Periodic spiky CPU usage by winlogon / LogonUI

I've noticed that my AWS server occasionally starts using a bunch of CPU for no particular reason, looking something like this: Observe that it does not occur at specific times, but has a very ...
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Tracking costs within one AWS account

I have what I'm sure is a very common problem. Our company has many projects and groups working for different clients. We do a lot of our development work in the cloud and deploy our solutions there. ...
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3answers
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Automatically mount volume on EC2

There is a procedure given by Amazon to make a volume available for use that has been attached as a block device. Given that I am attaching an EBS volume that is already ready to be used, is there a ...
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Elastic Beanstalk CLI - “a float is required”

I'm trying to use the AWS Elastic Beanstalk Command Line Interface v2.5.1 on OSX to deploy a node.js application. The beanstalk application exists, with no environments. From my application ...
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EC2 Update my existing AMI

I'm using Elastic Load Balancing to load balance my Auto Scaling Group, for that I have a private AMI that hold my application server (Tomcat) and my web app deployed to it as war ... Now everything ...
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1answer
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How does one properly escape a leading “#” character in linux etc/environment?

I would like to store a system-wide environment variable in etc/environment on AWS Linux AMI 2013.03. In this example, I am trying to store the phrase "#hello". See the examples below. echo $control ...
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Google c2dm transient 401 errors on some AWS instances

How can we figure out why we're getting occasional 401 errors from the Google c2dm push service on some AWS instances when asking c2dm to deliver a notification? This is a transient problem. All AWS ...
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How do you get AWS VPC EC2 instances to be able to see the AWS APIs?

We're spinning up infrastructure inside of an AWS VPC via CloudFormation. We're using auto-scaling groups to bring up VPC-EC2 instances (so, we don't bring up instances directly; ASGs manage that). ...
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Shutting an EC2 instance down locally (on the instance)?

edit: this seems to be a problem specifically with the AMI that I am trying to shut down. Other AMIs politely shut down with the "sudo poweroff" command. The goal is for an EC2 instance to shut ...
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Webstats for large Amazon S3/Cloudfront logs?

I'm trying to find a way to parse our Amazon S3 access logs to get some webstats. I've been trying to use AWStats 7, but I got to the point of where after day 9 of a given month it can't process any ...
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How to change default user (ubuntu) via CloudInit on AWS

I'm using CloudInit to automate the startup of my instances on AWS. I followed the (scarce) documentation available at ...
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Running MySQL on Amazon EC2 with EBS (Elastic Block Store) and Elastic Beanstalk

I'm new to Elastic Beanstalk, but I created an environment with a container running 64bit Amazon Linux running PHP 5.3. I want to get MySQL set up on EBS, then install phpMyAdmin and import my ...
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Convert EC2 instance to VMware workstation

How can I export one windows instance (with active directory, SQL, SharePoint) from amazon (EC2) to my local environment, and be able run it on a local VMware workstation? I have used the VMware ...
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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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AWS t1 to t2 migration: Client.InstanceInitiatedShutdown on new t2 instance

I've had a Linux t1.micro running a small Apache/PHP/Postgresql website for a couple of years now (referred herein as "original instance"). Works like a charm. I wanted to migrate the site to the ...
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Why doesn't the aws cloud formation install the packages that I specify?

I'm very new to the AWS services. I'm trying to use the AWS cloud formation and I created a template. The template is error free and I am able to create machines using that. But I have added some ...
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Nginx Solution for AWS Amazon ELB Health Checks - return 200 without IF

I have the following code that is working on Nginx to keep the AWS ELB healthcheck happy. map $http_user_agent $ignore { default 0; "ELB-HealthChecker/1.0" 1; } server { location / { if ...
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Crontab to restart service

I am running a web server on an AWS EC2 micro instance. The instance has ~630MB of RAM. With time, I have several httpd processes and very little free RAM. When I restart the httpd service, I end up ...
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4answers
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Windows Password Sync without using Active Directory

I have a number of Windows servers running in AWS. As the number of servers grows, managing Windows logins across all the servers has become a headache. I need some sort of password synchronizer ...
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1answer
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Can't find my AWS shared AMI when trying to share with specific account

I followed the instructions to share my AMI with a specific account here: http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/sharingamis-explicit.html I made sure the account number is correct, and ...
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Confused by Amazon EC2 Spot Price and On-demand price, help needed

I am a little confused by Amazon EC2 Spot price and on demand price. For example, an On-demand windows instance's price is $0.07 per hour. If I bid on the "spot requests", Do I put down price lower ...
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AWS 'vol-xxxxxxx' with Marketplace codes may not be attached as as secondary device issue

I'm encountering the same problem as here: http://www.quora.com/Amazon-EC2/Is-it-possible-to-rescue-an-EBS-volume-which-has-marketplace-codes. Basically I've locked myself out of the instance and I ...
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What is the difference between a plain Amazon ec2 instance and beanstalk?

I am a solo developer and the sites I'm deploying are very small, usually hobby sites and I have a few questions about the Amazon services. Is there a reason for me to use beanstalk or should I just ...
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Can Elastic Load Balancers correctly distribute traffic to different size instances

Just been looking into Elastic Load Balancers. As I understand it they just do round robin, evenly distributing connections to the servers behind them. So what happens if you have different size ...
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How do you get Redis connections working within an Amazon VPC private subnet?

I have an Amazon VPC setup with a private subnet containing 2 instances. One of them has redis running on it, the other instance I want to use to connect to the redis server. I have the redis instance ...
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amazon aws - regional data transfer - in/out/between EC2 Avail Zones

can anyone say what this charge item is from the account activity? $0.010 per GB - regional data transfer - in/out/between EC2 Avail Zones or when using public/elastic IP addresses or ELB i launched ...
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Amazon ec2 - how to setup?

Everytime I launch a new large ec2 instance, I get 30GB of storage, Did I do something wrong? shouldn't i get 850GB? See instance type http://aws.amazon.com/ec2/instance-types/ Large Instance 7.5 ...
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Can you require MFA for AWS IAM accounts?

Is it possible to require Multi-factor Authentication (MFA) be enabled for specific/all IAM accounts in Amazon Web Services? There are options for password requirements and it's clear how one can ...
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Assign multiple Elastic IPs to EC2 instance

When I try and associate a second Elastic IP to a small EC2 instance, the currently assigned Elastic IP is disassociated. Do I need to use a VPC?
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Configure BIND with database backend and DLZ support

Decided to move my windows based DNS servers to linux. The problem is I need to be able to dynamically update zone files without having to restart bind. It seems the most popular solution is to ...
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Is it possible to host email and DNS on AWS

We are working towards moving our app to AWS. I have heared that email and DNS cannot be hosted on AWS, is this correct? If this correct, then what are my options?
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Chef: How do I access AWS “opsworks attributes” on an ec2 instance?

I'd like to use a chef-shell session on an aws opsworks ec2 server so I can test some environment and instance specific code I'd like to include in a custom recipe. For example, I'd like to see the ...
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1answer
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Latency & speed considerations between 2 servers on Amazon EC2

I'm setting up a system that consists of: 2-4 database servers 2-4 webservers (running Node.js) The webservers use the database servers heavily. Aside from connecting to the private IPs of the ...
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Is it possible to audit the Amazon AWS console?

We had a situation recently where an elastic IP address assigned to a production server mysteriously became disassociated from that server. We have had this same thing happen in the past to other ...
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why does and EBS volumes mounted in an Ubuntu 12.04 EC2 instance as /dev/sdh1 appear as /dev/xvdh1?

When mounting an EBS volume on ubuntu specified as /dev/sdh1 it actually mounts it at /dev/xvdh1. The aws console still thinks it's mounted at /dev/sdh1 so it took a while to realize that it was ...
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1 EC2 instance per website - manage multiple websites on Amazon cloud using EC2

I'm managing multiple websites, most based on WordPress and all are based on LAMP stack. I'm moving all my websites to Amazon cloud. I'm new to AWS and my plan is moving 1 website by one, starting ...
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Instance's deployment / post configuration for AWS Elastic Beanstalk

I am using AWS Elastic Beanstalk, it is easy to start with deploying Java based web app, which is great. However, I want to install Memcached on every instance locally so they can be used for ...