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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1answer
344 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 ...
1
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1answer
100 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?
1
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1answer
57 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
755 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 ...
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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
193 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
85 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 ...
0
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4answers
525 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, ...
6
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2answers
2k views

AWS - Assign an Elastic IP to a ELB

Is it possible to assign an Elastic IP to a Load Balancer?
4
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2answers
788 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 ...
4
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2answers
4k 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

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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2answers
407 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 ...
3
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2answers
2k 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
1answer
94 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 ...
2
votes
1answer
127 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. ...
2
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2answers
173 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
votes
2answers
3k 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 ...
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0answers
31 views

How to determine total size of Amazon EC2 snapshots?

According to this answer, it is not possible to determine the size of an individual Amazon EC2 snapshot, but they do provide "the total usage and cost numbers for all snapshots in the account." Where ...
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2answers
142 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?
1
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1answer
150 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 ...
1
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1answer
315 views

AWS: network ACL blocks outbound traffic

I am implementing a REST service in Amazon AWS. The internal servlets listen on numerous ports like 8080 and 9000, and an Apache configured as a reverse proxy serves them with proper URL schema using ...
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2answers
359 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 ...
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1answer
1k 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 ...
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2answers
261 views

How do I persist a hostname or IP to my Amazon EC2 Instance?

Suppose I spin up a machine in EC2. Every time I stop/start the machine the following things change (reboots are safe--they don't cause these to change): public IP address public DNS record private ...
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2answers
89 views

Given an EC2 instance with an EBS AMI, How can I update the AMI's snapshot?

on EC2 my app servers are running the same EBS AMI. How can I update this AMI's snapshot to contain the latest configuration settings and site code? I can only find tutorials that talk about creating ...
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1answer
513 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 ...
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0answers
383 views

Migration to Amazon Web Services… How to choose instance size? [closed]

We are currently using Rackspace Cloud Sites for hosting a lot of company-related websites. Because of shortcomings with the service (stuff like no SSH access...), we are considering moving to another ...
1
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1answer
436 views

netcat not found in Amazon AMI (Centos)

I followed this guide to migrate my amazon image from one zone to another. Everything goes fine, but when i run this command: netcat -p 9999 -l >/dev/sdf It shows that the command is not found. ...
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1answer
276 views

Amazon EC2: how would I configure EC2 for a global public web app?

I have a web app that's accessed by a global audience: 33% Asia, 33% Europe, 33% North & South America. The Ubuntu web tier (5 physical servers loaded balanced using F5) and data tier (clustered ...
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5answers
3k 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 ...
1
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1answer
628 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 ...
0
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2answers
87 views

Keeping user's filesystem persistent across AWS EC2 spot instances

I noticed that, after a new Amazon AWS EC2 spot instance is auto-launched (I have that option turned on), the state of filesystem is not current (represent the last state before previous spot instance ...
0
votes
1answer
128 views

Why the system information message when accessing an Ubuntu server doesn't match free -m?

Each time I SSH into my AWS Ubuntu servers I see a system information message, showing load, memory usage and packages available to install, like this: Welcome to Ubuntu 12.04.3 LTS (GNU/Linux ...
0
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1answer
69 views

Allowing apache to access multiple volumes under AWS

I've added another volume to my EC2 instance (mounted as /dev/xvdf), and I need to be able to place files on that volume and be able to retrieve them via the /var/www/ directory. How can I accomplish ...
0
votes
1answer
102 views

Mapping godaddy domain with AWS EC2

I have a word-press website running on EC2. I have a domain registered with godaddy. I used the elastic IP from AWS EC2 to set up A record. The problem is, only the main page shows ...
0
votes
1answer
155 views

How to get the correct hostname when using ElasticIP in a CloudFormation template

I am using an elastic ip in a CloudFormation template "ServerEIP" : { "Type" : "AWS::EC2::EIP", "Properties" : { } }, Later on I have an EC2 Instance "Server" : { "Type" : ...
0
votes
2answers
171 views

How to delegate NS for the apex?

We have a registered domain (example2.com) that has the company's name servers registered against it (ns1.example.com, ns2.example.com) at the registrar. We would like to "delegate" the DNS ...
0
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3answers
273 views

Emailing hundreds of thousands of users for a newletter, company server or service? [closed]

My company has a website with a lot of visitors per day. We are planning to email hundreds of thousands of users. I read somewhere that your email reputation is build on your domain, we have very good ...
0
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0answers
355 views

JVM hangs with 100 IO wait on Ubuntu Maverick (AWS EC2 xlarge instance)

Have an xlarge instance in AWS running 9 Tomcats with heaps from 256M to 4G. With Ubuntu 10.04 the box sporadically hangs for a few hours with huge run queue (30-40), and nothing on CPU, then ...
0
votes
1answer
718 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 ...
0
votes
1answer
1k views

Allowing web access to an Amazon EC2 Windows Server 2008 instance running Tomcat+application?

The instance I choose was the following: Basic 64-bit Microsoft Windows Server 2008 (AMI Id: ami-d9e40db0) Microsoft Windows 2008 R1 SP2 Datacenter edition and 64-bit architecture. I have installed ...