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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Use AWS ephemeral drives for SQL Server for redundancy/read-only/other live purposes

Are there any good uses for the ephemeral drives on AWS Windows instances when using SQL Server besides putting TempDB and the pagefile there? I'm wondering, for example, if one could replicate the ...
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93 views

AWS VPC custom VIP: How to get a IP Address assumption to work across two EC2 VPC instances?

I created an AWS VPC and three instances therein (head, nodeA, and nodeB). I also associated them all with a security group that allows fully open networking among the private (RFC-1918) addresses ...
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69 views

Elastic Beanstalk CLI - “a float is required”

I'm trying to use the AWS Elastic Beanstalk Command Line Interface v2.5.1 on OSX to deploy a node.js application. The beanstalk application exists, with no environments. From my application ...
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22 views

Log snapshots fail on instance in VPC

I'm trying to deploy a rails application using AWS Elastic Beanstalk, with the web server instance and RDS instance in a private subnet in the default VPC. The web server instance is connected to a ...
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39 views

nginx passing assets from S3

I'm trying to configure Nginx to passing assets from S3.I have the below in the config but when am trying to access frontend, nginx return 404 on static resources. And nginx error log is empty. Can ...
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125 views

Deploying Rails Application in AWS OpsWorks

I've created a stack, inside this stack have created two layers. Rails App Server (Ruby version: 2.0.0, Rails Stack: nginx & Unicorn, no custom chef recipes) MySQL (using built-in recipes) And ...
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177 views

How can you set up private nameservers when using AWS Route53 and EC2

In the old days of setting up reseller accounts with shared hosting services like HostGator, it was simple to set up "Private Nameservers" by (after having pointed the DNS entries to the hosting ...
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107 views

How to run a different command in .ebextensions depending on whether it is deployed for the first time?

I have an application running on Elastic Beanstalk. I'm using the .ebextensions directory to run some commands on deployment. I would like to run a different command depending on whether this is the ...
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19 views

AWS Cloudwatch mon-put-data: Permission denied

I have an apache server on an EC2 instance, and I collect monitoring data for the server. When I try to put data to CloudWatch, I get the following error: mon-put-data: Permission denied I have ...
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62 views

connect to windows 2012 server without rdp

I've got an fairly stock Windows 2012 EC2 server running on AWS which I've been able to RDP into until after the last reboot. Are there any other services like [Telnet, SSH etc] that run by default ...
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68 views

Amazon IAM roles and policies: how to allow a user to PassRole to an EC2 instance

I've been learning AWS for a few days now and the IAM policies are still confusing to me. I need to allow a user the access to RunInstances and PassRole to that instance, but only specific roles. I ...
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26 views

Amazon CloudSearch multiple search domains

Can I have multiple search domains in one instance CloudSearch? I can't seem to find this information in manual and it obviously affects the cost of hosting.
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20 views

Scale down RDS database on Beanstalk

I have to scale down a RDS database on Elastic Beanstalk. Right now it has 1024GB and I need just 30GB. I read that I have to create a new instance and restore a dump. The problem is that I don't ...
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107 views

nginx behind AWS ELB, unable to https rewrite to non standard port

I don't have lot of experience with nginx. Problem at hand is that nginx is behind a AWS ELB and listeners are(Load balancer port -> Instance Port): HTTP 80 -> HTTP 81 HTTPS 443 -> HTTP 80. Each ...
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50 views

Is there any way to 'describe-instances' for another AWS account from awscli?

I've added a role to allow another account to list instances, but there doesn't appear to be any option to choose which account I'm listing instances from. Is there some undocumented option to pass in ...
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33 views

How to get Amazon AMI?

I'm trying to build a vagrant setup for development that mirrors the CentOS available on the AWS Marketplace but cannot figure out how to get the image. Are these not available for download locally in ...
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37 views

Amazon ELB timeout on multiple instances but not on single instance

I have an Amazon load balancer and one EC2 web instance behind it, and websites work fine, all my websites do not require long processing time, they are just some basic PHP sites, then I spun up ...
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78 views

Media streaming with AWS, RTMP or HLS?

We want to have on-demand video streaming available for our PHP application hosted on AWS. Right now we want to avoid to set up separate media server for this. And we want dynamic quality adaptation, ...
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220 views

Installing and configuring Snort, Barnyard2 on ubuntu 13.10 server 64 bit in AWS EC2 VPC

I need you help after searching a whole lot and asking AWS my problem is not getting resolved, so I have come here for your help. I have a AWS VPC setup with all ubuntu servers I have a NAT server ...
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39 views

MSSQL on AWS RDS - Should I be worried about falling freeable memory?

My question is similar to What is "freeable memory"?, however we are using MSSQL on RDS, as opposed to mysql. We are seeing a consistent downward trend in freeable memory. Currently sitting ...
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169 views

How can I whitelist oubound-from-private-subnet traffic to S3 on the NAT instance of an EC2 VPC?

I'm researching privacy-compliant high-security deployment options for AWS VPC. I'm looking for a method of tightening outbound traffic from the private subnets at the NAT instance. For example, how ...
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64 views

AWS RDS Mysql with benstalk Hibernate app: Character encoding issue

I'm running a webapp from amazon rds with tomcat 7 and spring, which uses hibernate as the persistence layer. The application and utf-8 encoding work properly on localhost, but for some reason when I ...
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279 views

MySQL on Amazon RDS connection handshake error reached max_connection_errors

We are using a C# web app on AWS connecting to a MySql RDS. Suddenly, connections start to fail with two different exceptions: First one (most repeated): Authentication to host 'xxx' for user 'xx' ...
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308 views

Uploading an SSL cert to AWS — Converting cert to PEM

Short Question I have a working crt file imported into tomcat keystore and I need a certificate file and private key file in pem to uplaod to aws cloudfront. Long Question Our SSL cert issued by ...
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14 views

How to add more devices to AWS root account MFA

I already have Google authenticator installed in my iPhone and I'm using it to signin to my AWS root account. I want to add the ability to login with MFA using my Android phone as well, using a ...
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27 views

Finding the owner of an AWS access key + secret key pair

I would like to have a simple solution (possibly in 1-3 plain API calls to AWS) to find the owner of an AWS access key. I have the password of the "root" AWS account and of course I can manage the ...
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52 views

NFS client mounts pointing to the same host directory

So we have a single host instance on EC2 with two EBS volumes attached. When we mount the shares on the clients both shares are pointing to the same host directory even though they are defined and ...
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111 views

installing mod_ssl amazon linux

I'm simply trying to install mod_ssl on a CentOS server. Doing a straightforward sudo yum install mod_ssl would return an error: Error: httpd24-tools conflicts with ...
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27 views

Communication between different servers

I have a dynamic site which has a database and a static file generator. I now want to detach the static file generator from the dynamic site and host it on a different server. The issue is I still ...
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100 views

AWS VPN Custom tunnel endpoints

When creating a VPN interface through the AWS Management Interface, the source and tunnel IP addresses are chosen by AWS (in this example to 169.254.249.26 and 169.254.249.25) Is there a way to ...
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48 views

Unable to stop instance in Amazon EC2

I am developing a java web application and deploying to Amazon EC2. I have deployed with default micro small ec-2 server. Now i have to move this ec-2 server from small to large server. I have gone ...
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72 views

Can I forward my godaddy domain to Load Balancer DNS' name?

My domain is hosted on GoDaddy. Is it possible to forward my domain to LoadBalancer's DNS? Example steps: Add Domain Forwarding on GoDaddy Forward to: ...
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40 views

AWS OpsWorks and pearMail for PHP

Can someone please tell me how to have the pearmail package automatically installed when a new instance is created through opsworks? Would this have to be done with custom chef JSON?
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45 views

Amazon ELB HTTPS Not working

I'm trying to get HTTPS working with AWS ELB. I've been trying for about an hour, but no matter what i try, i just get connection timed out when connecting via HTTPS. HTTP works fine, but not HTTPS. ...
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77 views

How to add new content in amazon cloudfront cache

I have a problem of updating new content in amazon cloudfront from amazon s3 origin. There is a simple solution for windows platform "Cloudberry s3 explorer" through which we can choose all files in ...
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109 views

Creating N EBS volumes with CloudFormation/AutoScaling

I can explicitly create an EBS volume in a CloudFormation template using a resource of type AWS::EC2::Volume. I can also create per-instance EBS volumes using BlockDeviceMapping properties on ...
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15 views

Determine IAM user/key which launched and instance

Is there an API call which allows me to determine which user created an EC2 instance? For example, IAM user Ted launched an instance some-inst. Now given just the name some-inst I can get instance ...
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67 views

clone/transfer EC2 instance (AMI) between AWS accounts

I am trying to clone/transfer an EC2 instance from one AWS account to another by creating an AMI on the first account and sharing it with the second account. Then I can use that AMI to start another ...
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65 views

How to deploy my new application to an existing environment AWS-EB

Could anyone help me on how to deploy an application in an existing environment. I've been given a task on how to deploy our application to an existing environment using AWS Elastic-beanstalk CLI but ...
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108 views

New instances in AWS VPC won't allow RDP

I've got a set of instances running in an AWS VPC and I can access all the Windows instances via RDP. I have a NAT box to allow traffic out, and which also serves as an OpenVPN endpoint, through which ...
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94 views

Can I ignore tables in replication on MySQL on Amazon RDS?

We run large updates on a database semi-weekly which, when replicated to our read slave, destroys any performance gains we get from actually having the read replica to begin with. Since the read ...
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54 views

Disable disk caches in AWS EBS for PostgreSQL?

It's my understanding that, without correctly disabling OS-level and drive-level caching, there is a chance that in case of system failure the Write-Ahead Log might not be saved correctly and in fact ...
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183 views

AWS Load balancer connection reset

I have an ELB set up with two instances. The issue I have with it is that when I do not add www. to it, the ELB just hangs. This is some info I get when I spider with wget: Spider mode enabled. Check ...
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382 views

Ubuntu Cloud Init taking a long time to complete

When I reboot my server, it take about 45 mins for me to be able to ssh into it. I think this is because cloud-init is taking a long time to complete. I deleted the contents of ...
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32 views

Amazon EC2 NetworkOutMetrics alarm causes?

After switching my instance to m3.xlarge, I noticed this spike in network traffic (both in and out (NetworkOut >= 2.0E7 for 5 minutes)). I was running Wireshark just to monitor traffic at this time, ...
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420 views

Cant mount GlusterFS volume on EC2 client

After a few days of trial and error I have successfully created my gluster volume on an EC2 instance (a single one at the moment) and it is successfully started… [root@domU-12-31-39-10-26-7E ...
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150 views

How to adjust frequency of Amazon Route53 Health Check?

I have set up a basic failover process within Amazon Route53 where they conduct a health check and if they're unhappy with the results, they reroute requests to a secondary server. According to my ...
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91 views

Copy files from EC2 instance to remote dedicated server

I'm having trouble copying several very large sql dumps via SSH I used this command: /usr/bin/scp -P 2382 /ec2/path/file.sql root@$123.45.67.890:/remote/file/path/ And also /usr/bin/scp -P 2382 -i ...
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183 views

Nginx behind aws elb return error 403

I'm getting crazy with AWS ELB and my instances. My infrastructure is made by: --> NGINX --> node.js | Apache Users --> ELB < --> NGINX --> node.js ...
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211 views

ls: reading directory ./: Input/output error via S3FS

I have a bucket with more than ten thousand files. I am getting the following error while doing 'ls -l' folder but working fine for less than 1000 files in the folder. Any suggestions? ls: reading ...