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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2
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1answer
424 views

Application reports timeouts. However nginx has no record or log

We are serving Django via nginx/uwsgi. We use AWS ELB behind a VPC. This is a webservice to Mobile clients. We had reports of timeouts during development so we have added a concept of a request_id ...
2
votes
1answer
384 views

AWS Security Groups - EC2 to RDS

I wanted to ask about connecting EC2 to RDP in AWS. I have added my EC2 Security Group (that contains the EC2 instances) into the Default RDP Group and Data is flowing - the connection works. The ...
6
votes
1answer
730 views

Cannot create a EC2 server root volume greater than 8 GB

I am trying to create an EC2 large instance. AWS claims to say I shall get 850 GB instance storage if I go for Large Instance. I configure the VM to have the Root Volume size of 100 GB. But, when I ...
1
vote
1answer
2k views

Back end ec2 instance is accessible through ssh and browser but fails load balancer health check

I'm setting up a load balancer for the first time so please bear with me as I try to provide as much detail (I'll be checking back on this question every 15 minutes so I can speedily reply to any ...
6
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2answers
632 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 ...
0
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1answer
146 views

Automatically Snapshoting AWS instances (or other back up strategy)

I just realized that my aws instance count has risen into the double digits. I'm currently backing portions of my folders and dbs and moving them off to a backup instance. What I think I should be ...
2
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2answers
2k views

Providing a static IP for resources behind AWS Elastic Load Balancer (ELB)

I need a static IP address that handles SSL traffic from a known source (a partner). The reason the IP needs to be static is that the partner requires this in order to maintain the PCI compliance. ...
2
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1answer
224 views

Hostname for Amazon Glacier on AWS

What is the Hostname / Servername for Amazon AWS Glacier? S3 is: s3.amazonaws.com I can find the ARN (Amazon Resource Name) in my console, but cannot find a hostname or reference to it (in the ...
1
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2answers
824 views

How to catch event that the EC2 compute instance is about to stop/start?

When I go to EC2 console, I click one of: Shutdown Terminate Reboot Start ... I want to get a message on my "Director" machine, that the instance is e.g. booting, that it is shutting down, ...
2
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2answers
3k views

rsync to EC2 using ssh -i

I'm able to ssh -i mykey.pem to EC2. I'm able to scp -i mykey.pem to EC2. But when I try to rsync -avz -e "ssh -i mykey.pem" I get this error: Warning: Identity file mykey.pem not accessible: No such ...
0
votes
1answer
806 views

Amazon VPC/NAT connectivity issue

I'm trying to set up NAT on a windows server 2008 r2 instance inside a VPC on AWS. I've got two windows boxes, A and B A has two network interfaces, one with an EIP attached and can connect to the ...
2
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2answers
231 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 ...
1
vote
1answer
1k views

STUN-server using AWS

We are about to hire some consultants to help us set up an AWS-based server environment that will enable us to handle NAT Traversal for our P2P application. One important part of the NAT Traversal ...
2
votes
2answers
2k views

Amazon EC2: Not able to open web application even if port it opened

I have a t1.micro instance with public dns looks similar to ec2-184-72-67-202.compute-1.amazonaws.com (some numbers changed) On this machine, I am running a django app $ sudo python manage.py ...
2
votes
1answer
707 views

Amazon AWS VPC how to open a port? [duplicate]

Possible Duplicate: How to setup a MySql server to accept remote connections? I have a VPN with public and private subnets; I am considering only public subnet for now. The node 10.0.0.23, ...
0
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1answer
85 views

Dynamically loading chef recipies from URLs

I'm deploying a web app on AWS. I intend to use chef to build AMIs which I'll then put into production. I want to have Chef monitor a URL stored in simpleDB. The URL would point to a tarball in S3. ...
1
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4answers
277 views

How can I make an AMI mount the same volume when it initializes?

This is for a database (Postgre) VM, whose data is stored on a separate EBS volume. Can I make it so that the same EBS volume is mounted automatically (this is assuming that no other instance is using ...
1
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1answer
431 views

Disabling Host-to-Guest time sync in EC2 windows

In an EC2 instance (Xen Virtualized) is it possible to disable time sync on a Guest VM by Host VM. I found that it can be done on Linux instance by modifying xen.independent_wallclock=1 Is there any ...
0
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3answers
377 views

How can I create multiple identical AWS EC2 server instances with large amounts of persistent data?

I have a CPU-intensive data-processing application that I want to run across many (~100,000) input files. The application needs a large (~20GB) data file in order to run. What I would like to do is ...
1
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0answers
329 views

Dynamic Reverse Proxy on AWS

I am looking to create a HA, dynamic app environment on Amazons AWS infrastructure. (Probably along the lines of elasticbeanstalk or heroku). At this stage I am not hugely worried about routing ...
1
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0answers
155 views

WebDAV over SSL - Cannot access folders - no errors in logs

I am running a CentOS server on Amazon EC2 and have WebDAV, Apache, and mod-ssl installed. I tested my current configuration first through port 80 and was able to connect to the dav without a hitch. ...
3
votes
1answer
699 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 ...
1
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1answer
2k views

MySQL Server hitting 100% unexpectedly (Amazon AWS RDS)

Please help! We've been struggling with this one for months. This week we upped our RDS instance to the highest performing instance and although the occurrences have reduced, we're still having ...
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votes
2answers
538 views

Recommended method for routing www to zone apex (naked domain) using AWS Route 53 [closed]

In my AWS Route 53 control panel I simply have 2 A records currently set up for the 'www' and the 'non www' names. Both point to the Elastic IP address associated with my EC2 Instance. This works well ...
-1
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1answer
59 views

EBS full device confusion

I have a 500GB EBS device (/dev/xvdf) mounted to /vol and all data on the box seems to be writing to /vol correctly (see du output below). For some reason /dev/xvda1 is totally full. Any idea what's ...
1
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1answer
98 views

More than one CNAME for S3 website

Is it possible to have more that one CNAME for amazon web services S3 web site? In docs it is said that bucket name should be equal CNAME. mysite.com and www.mysite.com as aliaces do I need to ...
1
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2answers
264 views

Reverse Proxy Wordpress with Lighttpd

I am deploying an application and a Wordpress installation on AWS. I have Wordpress set up under Apache on an EC2, and my application under Lighttpd, and I want to reverse-proxy Wordpress through the ...
1
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4answers
4k views

List all stopped AWS EC2 instances with command line toolkit

I have been experimenting around with ec2-describe-instances and ec2-describe-instance-status in the EC2 command line tools with the goal of starting stopped instances. However I cannot neatly list ...
8
votes
4answers
3k views

Why do AWS spot-instance prices spike above the “on demand” pricing?

Amazon Pricing on Spot Instance Inconsistencies This is something which will be best explained through screenshots of a historical chart of instance pricings. If you look at a lot of the instance ...
1
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1answer
131 views

How to group EC2 instances in order to delegate administration to different teams?

Is it possible (using ARN) to make several groups of instances. Then using different policies to grant access to a group of instance only and not the other instances? For example : { "Statement": ...
7
votes
2answers
2k 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
votes
1answer
3k views

Using DynamoDB for logging user activity

I am developing a freelancing platform for certain professionals. I was thinking of utilizing the AWS DynamoDB for logging user activity (like posting a job, editing a job etc). Fields would be ...
0
votes
1answer
802 views

Persistent Spot Instance Request with CloudFormation

Is it possible to create "Persistent Spot Instance" with AWS CloudFormation ? I'm going through the Autoscale and EC2 CloudFormation's template references but there is no mention how to set a property ...
1
vote
1answer
102 views

Windows Vista on AWS [closed]

I've only found details about running Windows Server on AWS, is it possible to create my own Windows Vista VMWare instance locally and upload the image to AWS?
1
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0answers
44 views

Which address should I give my registrar NS or SOA?

I'm hosting my apps in amazon ec2 server and using route 53 for hosted zone, I created a Hosted Zone for my domain. I'm wondering which addresses should I provide to my registrar, NS or SOA for ...
0
votes
2answers
513 views

How can I make outbound requests from two servers that appear to come from the same IP address

I am making calls from an ec2 instance to a third party web service (over which I have no control). I would like to be able to scale horizontally, so that I can make these calls from multiple ec2 ...
6
votes
2answers
8k 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 ...
1
vote
2answers
309 views

Store profile image of all users into single directory or per subdirectory id?

I'm using amazon s3 as storage for users profile pic. I see that many websites generates large random filenames and put them into the same root directory like: ...
0
votes
1answer
486 views

ELB Setup for SSL is not working for apache redirect

I have configured ELB with SSL certificate. Listener configuration for ELB is shown below -- 443 (HTTPS, Certificate: www.xyz.com) forwarding to 80 (HTTP), 80 (HTTP) forwarding to 80 (HTTP) Domain ...
3
votes
1answer
318 views

How to find the reason for a weekly downtime on an Ubuntu web server hosted by AWS?

We started monitoring our web server using Pingdom and found out that we have a downtime of a few minutes every Sunday at 0:00 UTC. The test runs every minute and checks if a successful HTTP response ...
6
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 ...
0
votes
2answers
63 views

Encrypt EC2 API call

I have to host an AMI in the Amazon Marketplace. i need to get the type of instance, whenever some user launches the AMI., like if its small medium or large. based on that i need to make some changes ...
1
vote
2answers
310 views

Amazon EC2 root defaults on EBS

I'm trying to understand why when launching a new instance Amazon defaults to EBS (8gb root) instead of instance storage. Why do they sell instance storage then if it's not used also to boot the base ...
-1
votes
2answers
323 views

Amazon - install a complete server on EBS

is it possible to install a full working OS with a webserver, db, and all needed stuff on an EBS storage? If so, would I immediatly gain benefits by mounting this EBS on a better instance? Otherwise ...
0
votes
1answer
279 views

Has an entire AWS region gone down? [closed]

I'm trying to work out if previous datacenter failures on AWS have just applied to a single "availability zone" or the whole region. Does anyone know the details of the extent of the worst AWS ...
2
votes
1answer
351 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 ...
4
votes
2answers
597 views

AWS metadata: Check if EC2 instance is spot?

There's a AWS metadata service which provides some information about the EC2 instance that issues a request to http://169.254.169.254/. I'm wondering if there's a way to know from that metadata if the ...
0
votes
1answer
4k views

How can I fit Amazon Glacier into my existing backup procedure? [closed]

Earlier this week, Amazon announced a new service, called Amazon Glacier: Amazon Glacier is an extremely low-cost storage service that provides secure and durable storage for data archiving and ...
1
vote
1answer
2k views

Exception while running Selenium on AWS EC2 instance

I am facing this exception when I run a Selenium test case using the Firefox driver on the AWS EC2 instance which is the headless server. I installed Firefox and all the necessary changes for it ...
1
vote
3answers
919 views

Is it safe to mount an EBS drive at /mnt/some_name and reboot my EC2 instance?

From what I've seen online everyone seems to mount additional EBS drives at /mnt/some_name. However /mnt is the mount point of the instance's ephemeral storage and this gets lost when the instance is ...