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.

learn more… | top users | synonyms (2)

7
votes
2answers
20k views

opening port 80 on Ubuntu AWS

I'm running a tomcat server on an ubuntu machine hosted in an AWS instance. I can reach the server via public_ip:8080 but when i change the listening port on server.xml from 8080 to 80 connection is ...
7
votes
3answers
8k views

Forcing CloudFront to pass-through the latest HTML file from S3

Background I'm hosting a static site on S3, with CloudFront over the top. The issue I have is with my HTML files. According to CloudFront's FAQ: Amazon CloudFront uses these cache control ...
7
votes
1answer
1k views

Does anyone have any experience when it comes to speed of Amazon RDS vs MySQL on a Small server?

EC2 Small vs Amazon RDS - which is faster for MySQL? (I have one database, well-indexed and tuned. About 10,000 rows on each table.) How's the performance like?
7
votes
2answers
8k views

How do you recover you RDS master user username?

Resetting the RDS master user's password is simple enough, but how do you find your master users username?
7
votes
2answers
4k views

Is there a cloud-based reverse proxy solution in AWS?

The system I have an API deployed on EC2 machines on AWS. Incoming HTTPS requests are passed to an elastic load balancer. The load balancer handles the SSL, and passes the request to an Nginx server, ...
7
votes
3answers
4k views

Accessing storage on an EC2 instance?

I am using a large EC2 instance but just realized that I don't have the space promised. I only get 8 gigs when it says I should have 850 GB. From what I understand two extra 420 gb drives should be ...
7
votes
1answer
4k views

Why does top report a different cpu usage than CloudWatch?

top shows an average CPU usage during peak times of about 20% while CloudWatch monitoring shows an average CPU usage of 40%. What causes this discrepancy?
7
votes
2answers
680 views

Storing AWS credentials securely on a personal machine

How can I securely store AWS credentials on personal machines? In detail: Everybody in our team requires AWS security credentials for doing administrative tasks (credentials are separated by role). ...
7
votes
5answers
7k views

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 ...
7
votes
4answers
6k 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 ...
7
votes
3answers
3k views

EC2 linux any and all upstart jobs returning “unrecognised service”

Having a nightmare migrating some upstart jobs from Ubuntu to EC2 Linux (ElasticBeanstalk) I am unable to get even the most basic task to work. I am using the script below which works perfectly on ...
7
votes
3answers
4k views

How to automatically update nginx upstream server list when aws ec2 hostname changes or increases?

I want to setup autoscaling in AWS. I don't want to use Elastic Load Balancer. Autoscalling in Amazon creates EC2 instances seamlessly during demand spikes to maintain performance, and decreases ...
7
votes
2answers
3k views

AMI with or without reboot on AWS EC2

When creating AMI's from an EC2 instance I always check "no reboot", I've been wondering, what are the pros/cons of creating images with/without a reboot? Does keeping the server live affect the ...
7
votes
2answers
6k views

How do I attach an Elastic IP to an Elastic Beanstalk app?

I can give a single instance an Elastic IP. No problem. But I have an Elastic Beanstalk app. It can create and remove instances as needed. It has a load balancer. How can I get these features (...
7
votes
1answer
2k views

XFS: no space left on device, (but I have 850GB available!)

I'm using a combination of mdadm, lvm2, and XFS on Amazon EC2. So far, I've had success running a RAID 5 volume built from a number of EBS volumes. The EBS volumes are attached and used with mdadm to ...
7
votes
2answers
856 views

How to change assigned letter for Ephemeral drives automatically?

I have an AWS Windows box (Windows 2008 R2) with the following disks: C:\ 60 Gb (EBS) D:\ 200 Gb (EBS) Y:\ 40 Gb (Ephemeral SSD) Z:\ 40 Gb (Ephemeral SSD) Every time it boots I change ephemeral ...
7
votes
2answers
3k views

AWS VPC - why have a private subnet at all?

In Amazon VPC, the VPC creation wizard allows one to create a single "public subnet" or have the wizard create a "public subnet" and a "private subnet". Initially, the public and private subnet ...
7
votes
1answer
3k views

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 ...
7
votes
2answers
4k views

RDS Replication across regions

We are using Amazon AWS for our web services but given the recent instabilities in their infrastructure, we are trying to figure out how to run our application across multiple regions for additional ...
7
votes
1answer
878 views

Has anyone achieved Level 1 PCI compliance on AWS?

All the FAQs, documents and statements published by AWS aside, did any Level 1 merchant actually achieve PCI compliance on AWS yet? We're evaluating moving some of our services to EC2/VPC, but our ...
7
votes
1answer
3k views

Amazon SES e-mails ending in Yahoo & Hotmail Spam folders, even though SPF and SenderID and DKIM are set correctly

This is incredibly frustrating. My Amazon SES e-mails are ending in Yahoo & Hotmail Spam folders, even though my SPF, SenderID, and DKIM are setup correctly. Since this particular site requires ...
7
votes
2answers
1k views

Amazon Elastic Beanstalk + Git Submodules

I'm using Amazon's Elastic Beanstalk to deploy my app via Git, and I've got submodules within my Git. Of course, when I look at the directories where the data for the submodules should be, nothing is ...
7
votes
3answers
1k views

Is it possible to get a list of running processes with a Cloudwatch Alarm?

We have an EC2 instance (Ubuntu) that has a few java-based applications and lately we're getting hit with high CPU utilization spikes that trigger one of our Cloudwatch alarms. By the time we get ...
6
votes
4answers
1k views

Easy way to convert custom 32-bit AMI into 64-bit one?

I have customised (EBS-backed) AMI for running a demo version of an application of ours. (The AMI contains Ubuntu 11.04 with a Tomcat & MySQL setup for the app itself, and Jenkins for easy one-...
6
votes
4answers
7k views

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 ...
6
votes
4answers
25k views

How do I set an MX record in Route53 for a GoDaddy domain?

Can't seem to find an answer to this question on AWS' forum, not in the Route53 manual, nor on Stackoverflow/Serverfault in a way that makes sense...and GoDaddy's support sure as heck ain't got an ...
6
votes
2answers
601 views

How to address an EC2 instance from both inside and outside datacenter?

I'm trying to find a good way of being able to address my EC2 database instance from both inside and outside of the datacenter. Other EC2 instances need to be able to call into it, and other clients ...
6
votes
3answers
4k views

The site is using outdated security settings that may prevent future versions of Chrome from being able to safely access it

We're using an AWS ELB to do SSL termination and are having an issue where Chrome is displaying "https" in red with a strikethrough. It says "The site is using outdated security settings that may ...
6
votes
1answer
2k views

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 ...
6
votes
2answers
5k views

Elastic Load Balancer for multiple webapps

I have N webapps. Each webapp is served by a different hostname in my domain and deployed to 2 instances running in AWS. In other words, I have 2N instances, divided into pairs which run N distinct ...
6
votes
1answer
6k views

Search ec2 instance by its name from aws command line tool

I have an instance named dev-server-03. Now how can I search all dev-server-* instances from command line? I am using aws cli tool.
6
votes
3answers
2k views

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 (...
6
votes
2answers
739 views

AWS - how to serve faster to oversea users

We have our infras relying on AWS in the us-east-1 region. (EC2, CloudFront, RDS, ElastiCache) We are now having more and more users from the APAC. Users start to complain about network speed to our ...
6
votes
2answers
5k views

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 ...
6
votes
2answers
8k views

Amazon RDS Instances: db.m1.large vs db.m3.large

Recently, Amazon announced new instance types for RDS. Currently, we are running db.m1.large, and it looks like the new db.m3.large is comparable but cheaper. Before moving these over, I wanted to ...
6
votes
3answers
5k views

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 ...
6
votes
4answers
2k views

Best Amazon AWS region for Australian website?

What is the best Amazon AWS region to host a website for an Australian audience? Amazon's marketing material seems to suggest that Singapore is the best place, but the ping tests I've performed have ...
6
votes
5answers
4k views

Automated snapshots of EBS-backed EC2 instance running Ubuntu

I'm running an EBS-backed instance which acts as a software development team's build server (running Jenkins and host of other services). The server is running Linux (latest Ubuntu from the official ...
6
votes
2answers
6k views

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?
6
votes
2answers
657 views

Does Amazon EC2 and RDS have ECC memory?

I know that Amazon's Cluster GPU Instances have ECC memory as mentioned on their blog but there's no mention of other instance types. There's a forum post from back in 2007 that went unanswered. Does ...
6
votes
2answers
1k views

Load Balancing on Amazon (AWS) and staying up to date

I would like to have a load balancer for my site and have the site up to date. The load balancer will take the AMI I select and spin up more of those instances when processing power hits a certain ...
6
votes
3answers
6k views

Is there a way to set an AWS instance's name from command line tools?

In the web console there is a field "Name" which you can edit to associate useful context with an instance, is there a way to set or retrieve this info from the command line?
6
votes
1answer
3k views

Unable to connect to RDS instance from outside VPC (ERROR 2003 (HY000) Can't connect to MySQL Server)

I've created a VPC, and inside it an RDS instance. The RDS instance is publicly accessible and its settings are as follows: RDS settings The security group attached to the RDS instance accepts all ...
6
votes
3answers
1k views

AWS CloudFormation returning “Invalid request” when trying to create a AWS::Route53::RecordSet

I'm at a loss on this one. 99% of the time CloudFormation is pretty good at giving you some kind of debug message you can work with, but "Invalid request" has left me stumped, especially when the ...
6
votes
2answers
899 views

AWS VPC internet gateway and AWS services

Am I doing something wrong or is the AWS VPC ec2 instances not able to reach any of the AWS managed services (s3/sns/sqs) without a public route to the Internet Gateway in the routetable? I was told ...
6
votes
1answer
1k views

Cloudwatch mon-put-instance-data not reporting on AMI-cloned instance

After cloning an EC2 instance using AMI (to change a hosts security group), none of the statistics reported by the Amazon-provided mon-put-instance-data.pl script are showing up in CloudWatch. I can ...
6
votes
1answer
4k views

strongSwan IPsec server with AWS EC2 VPC VPN client

I'm trying to create a VPN tunnel between 2 AWS regions. The way I'm trying to do this is by setting up a IPsec server in Linux with strongSwan in one region, and then a VPC VPN in the other region. ...
6
votes
1answer
2k views

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 ...
6
votes
1answer
9k views

What is the rdsadmin user and should I care?

I've inherited control of an AWS MySQL RDS instance. I'm curious to know what the 'rdsadmin' user is and whether I should know the password for this or whether this is purely for use by the Amazon Web ...
6
votes
2answers
9k views

How does one point a domain to a load balancer that doesn't have a stable IP?

I'm trying to point mydomain.eu to an AWS load balancer, which, by its nature, does not have a stable IP, so I think I'm supposed to point the A record to a subdomain at Amazon, but as far as I can ...