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)

10
votes
3answers
6k views

Are Amazon EC2 Private IPs reachable from any instance running in EC2?

After searching previous questions here, the general consensus seems to be if an instance that I own is assigned a private IP of 10.208.34.55, that only OTHER INSTANCES I OWN can reach it at that ...
4
votes
3answers
378 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
votes
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 ...
2
votes
1answer
835 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 ...
2
votes
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 ...
7
votes
3answers
8k 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 ...
6
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?
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 ...
5
votes
2answers
570 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?
4
votes
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
votes
1answer
445 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
votes
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
votes
1answer
452 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
votes
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
2k 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
votes
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
votes
0answers
525 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 ...
2
votes
2answers
813 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
vote
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?
1
vote
1answer
351 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 ...
1
vote
1answer
134 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.
1
vote
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
votes
1answer
383 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
votes
3answers
110 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
votes
4answers
616 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
votes
2answers
1k 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
votes
2answers
3k views

AWS - Assign an Elastic IP to a ELB

Is it possible to assign an Elastic IP to a Load Balancer?
5
votes
2answers
770 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
votes
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
votes
2answers
5k 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
votes
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
votes
1answer
402 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
775 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
votes
1answer
550 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
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
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 ...
2
votes
1answer
830 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
213 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
1answer
267 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
votes
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
vote
0answers
68 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 ...
1
vote
1answer
385 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 ...
1
vote
1answer
2k views

upgrade CentOS from 6.5 to 7 in an EC2 Instance

How can I upgrade CentOS from 6.5 to 7.0 under Amazon Web Services EC2 instance? I have added the redhead upgrade tool to my repository and installed it, called the preupg and then imported the ...
1
vote
1answer
1k views

Static IP address for outgoing traffic from AWS autoscaling group

I'm going to have a number of EC2 instances in an Elastic Beanstalk autoscaling group in a default subnet in a VPC. The app on these EC2 instances needs to connect to a third party service who uses an ...
1
vote
1answer
314 views

install cURL on an Amazon Suse

I'm trying to install cURL on a SuSE Linux Enterprise Server 11 sp3 machine. I'm using this action to do so: sudo zypper in curl And I get this error message: Refreshing service 'susecloud'. ...
1
vote
1answer
133 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 ...
1
vote
1answer
892 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 ...
1
vote
2answers
1k 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 ...
1
vote
0answers
398 views

Apache bloodhound installation, AWS host not serving site

Following the installation instructions here I went through the entire process on an AWS instance. Everything seems to be setup correctly, I can even run BH off the development server using: tracd ...