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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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 ...
2
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1answer
1k views

Second ENI in AWS VPC is not accessible on Ubuntu instance

I'm just getting into VPC, trying to understand how everything works. So far the biggest hurdle I've run into is that any time I add a second Elastic NIC to a machine, that second IP is not accessible ...
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2answers
2k views

Amazon EC2 migration from one region to the other

I'm using the following Amazon EC2 resources in the US East (Virginia) region: 1 Running Instance 1 Elastic IP 2 EBS Volumes 100 EBS Snapshots 1 Key Pair 2 Security Groups 5 My Own AMIs (customized ...
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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 ...
6
votes
3answers
5k 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 ...
4
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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 ...
4
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2answers
2k views

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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3answers
2k views

Need Ubuntu AMI of 10GB in size for Amazon AWS Free Usage Tier in Region “EU West”

I've created an account on Amazon AWS because of their Free Usage Tier promotion. It allows for a "t1.micro" instance, free of charge for 1 year. Unfortunately the "official" Ubuntu EBS images are 15 ...
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3answers
9k views

Install SSL on Amazon Elastic Load Balancer with GoDaddy Wildcard Certificate

I'm a bit stuck installing an SSL Cert on an AWS Elastic Load Balancer. I have a wildcard certificate from GoDaddy and need to point it at the ELB. I have run the command (I ran it on one of the ...
7
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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?
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2answers
584 views

Is it feasible/common for people to use only AWS to host PHP/MySQL websites?

What are the drawbacks/limitations when compared to a more traditional managed shared/virtual/dedicated host?
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3answers
3k 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 ...
3
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0answers
945 views

kworker consuming +90% IO and zero disk write

this is a standard apache web server on AWS Linux AMI + EBS. We are noticing high load average (+8) and iotop -a shows: Total DISK READ: 0.00 B/s | Total DISK WRITE: 2.37 M/s TID PRIO USER ...
3
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1answer
517 views

How can I give an AWS IAM user permissions to manage his own security credentials?

Specifically, I want the user to be able to create/delete his own access keys ("Action": ["iam:*AccessKey*"]) in the AWS console, but without giving them a full user list view in the IAM dashboard. ...
3
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1answer
2k views

ELB Instance Out of service

After implementing ELB and Autoscalling on Amazon AWS. There's a wierd issue happens and we don't know either the reason or the fix. We installed Auto Scalling configuration to add instance of AMI ...
3
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1answer
472 views

Using Amazon RDS (or similar) as a slave

Officially, RDS instances can't be directly set up to slave non-RDS databases. My production master is MySQL running on Hetzner and I want an RDS instance to closely follow it for backup purposes, ...
3
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2answers
1k views

Amazon SES vs EC2 Smtp server

We have an existing smtp environment setup in an EC2 instance which is used to send Transactional emails like password reset. Now we have a requirement to send System emails to a large user base in ...
3
votes
2answers
3k views

IP Range for internal private IP of Amazon ELB

I'm trying to find out the range of IP addresses that an Elastic Load Balancer could have from an EC2 instance which is behind it. This is so I can configure the HttpRealIpModule of nginx correctly. ...
3
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3answers
1k views

Best remote mounted filesystem based on S3

I need to know what the best (read: highly performant and fault tolerant) filesystem solution based on Amazon's S3 is. I have looked a s3fs, but I notice that it has not been worked on for a while ...
2
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2answers
1k views

Whitelabel DNS with Amazon Route53

I've searched the internet for the answer, but I can't find it and this is because DNS management is not exactly in my skillset. I want to use Amazon AWS Route53 to host a multi tenant php application ...
2
votes
3answers
2k views

DNS mask for Route53 crazy delegation set

I really don't know the terms to explain this problem, but please bare with me just a little bit. I have an AWS Route53 with a lot of clients, and I would like to build something like a DNS server in ...
1
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1answer
1k views

Assign a static private ip to an EC2 instance

I want my server to connect to a db server (both on an EC2 instance). How can i give the db server a static IP address to use within EC2 without using VPC?
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1answer
430 views

AWS Opsworks auto-healing, load instances, and load balancer

I have been working to get our suite of web apps working on aws opsworks. They are now mostly working. Seems like a great environment! But I am wondering about the scaling, healing, and load ...
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1answer
158 views

Is it possible to have a spot instance mount a particular EBS volume as its root disk when started?

For example, in a scenario where you have an auto-scaling group of size 1 that launches a spot instance which continually uses the same root EBS volume.
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2answers
1k views

Amazon S3 tools for Debian?

I need to (programmatically, in a shell script) upload an EAR file to an Amazon S3 bucket on Debian (5.0.4). What, if any, Debian package provides simple, scriptable tools for that? Ideally this ...
0
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1answer
429 views

problems with EC2 instance, disconnects unexpectedly

I have a problem with an EC2 instance. In the past the instance suddenly lost the connections via SSH and Web (Apache dead and the other servers), and I could not even make ping. However, when I went ...
0
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3answers
114 views

How do I set up AWS instance store?

Firstly, although knowing about AWS for a long time, this is the first time i've ever used it. I gather that EBS volumes are for persistent data storage and instance store volumes are for one time ...
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1answer
2k views

AWS: One VPC with multiple VPN connections to different sites. What about CIDR overlaps?

So, I have an app running in a VPC, with (currently) a VPN connection to the development location. The app is accessible at, let's say, 10.0.2.25 (IP of the internal ELB, accessible only via VPN). ...
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4answers
633 views

More detail EC2 instances monitoring? [closed]

I am currently using AWS Cloudwatch to monitor basic metrics of my EC2 servers. But it is lacking of detail monitoring such as partition space used, memory free etc. Should I install and use Nagios, ...
11
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2answers
2k views

How to upgrade to the latest AMI in AWS Elastic Beanstalk?

I'm running an application on AWS Elastic Beanstalk, and it looks like I need to create a new environment if I want to use the latest AMI. If I knew what the latest AMI id was, I could update it in ...
7
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2answers
3k views

AWS - Assign an Elastic IP to a ELB

Is it possible to assign an Elastic IP to a Load Balancer?
5
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2answers
944 views

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?
5
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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 ...
4
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2answers
1k 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 ...
4
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2answers
6k views

How do I access my public DNS on Amazon's EC2

I'm working with Amazon's EC2 for the first time. I went through all of the steps at http://docs.amazonwebservices.com/AWSEC2/latest/GettingStartedGuide/ and now I'm trying to access the public DNS ...
4
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2answers
1k views

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 ...
3
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1answer
479 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 ...
3
votes
2answers
936 views

How can I reuse existing resources in CloudFormation?

I've have S3 bucket as resource in my CloudFormation template. With DeletionPolicy set to Retain. This works as expected, when deleting the stack, it does indeed retain the bucket. However, when I ...
3
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2answers
1k views

Expose docker containers to vpc network

I have an ubuntu server running docker with one container. My server ip address is 172.31.12.29/20 in my vpc. It has tow bridges (docker0 ans lxcbr0). My container ip address is 172.17.0.2/16. The ...
3
votes
1answer
579 views

EC2 after restart can not access via ssh

I was connecting my ec2 instance via ssh well,after adding new EBS volume restarted the machine by 'sudo shutdown -r now' And after that I tried to access by using follwing command: ssh -v -i ...
3
votes
2answers
9k views

AWS ec2 - open port 8080

I have an AWS ec2 instance. I have installed tomcat and now want to access it via the browser on port 8080. When I try to do so, the browser hangs. I HAVE ADDED 8080 TO THE DEFAULT SECURITY GROUP. I ...
3
votes
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 ...
2
votes
2answers
2k views

Installing intermediate certificates in ELB

I had a certificate expire today and needed to get one reissued from GoDaddy. In the past, I've had no trouble using the pem encodings they generate with the ELB SSL interface. However, when I try ...
2
votes
1answer
4k views

AWS SES: “Email address is not verified” error with Postfix relay

I've setup Amazon SES, verified my domain, and have been approved for Production mode. When an email from the outside world is sent to an address in my domain, my server forwards it back out to a ...
2
votes
1answer
887 views

Best failover strategy for e-mail servers on AWS to ensure high availability

We have our e-mail server hosted on AWS. Last week Amazon had a failure in their East Coast region which brought down our server along with many others. We now want to implement a failover strategy ...
2
votes
2answers
216 views

Monitoring load on AWS EC2

I'm interested in monitoring our EC2 instances to ensure we scale up when necessary. Right now we are monitoring idle CPU time as our metric. We aren't measuring disk I/O as we are not a very disk ...
2
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1answer
272 views

Examples where an AWS Security Group is not sufficient as a firewall?

Currently I am using only an AWS security group for one of my EC2 instances but have given some thought to adding a firewall to that stack as well. I'd be looking at using either iptables, or ...
2
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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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0answers
82 views

How to best use Amazon's “ephemeral” SSD devices under Linux? [closed]

Amazon attaches "ephemeral" SSD device(s) to most of the instace-types -- these are included in the cost of VM, are fast, but any data on them is lost, when the VM is shut down. How to make the best ...
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1answer
875 views

How do I link a security group to my AWS RDS instance

I have a postgres db setup on RDS. It is running great. However, I want to link this to a set of autoscaled EC2 instances sitting behind an ELB that all reside in a single EC2 security group. I've ...