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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Launching an RDS in a private subnet in VPC and access it from a web application

I have setup a VPC which has two subnets. One is a public subnet (I have Internet Gateway attached to it) and the other one is a private subnet. My web application resides inside the public subnet and ...
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367 views

Website down… due to sleeping MySQL connections?

I've just inherited the administration of a website, and I'm finding some problems: When the traffic in the site peaks (it happens when our posts are featured in some distribution lists/RSS feed), ...
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60 views

Splitting an application across AWS and Heroku

My application is currently 100% managed by Heroku. A few endpoints on the application depend on very slow external resources. Heroku occasionally kills these requests if they hit 30 seconds.[1] ...
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171 views

cannot reach munin port on other AWS instance

2 AWS instances, in the same region but different availability zones, one is in regular EC2 and the other is in VPC, both have an Elastic IP, both are 64bit Amazon Linux AMI 2014.03.1. Both are ...
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24 views

Launching an RDS Instance with a specified security group

Is it possible to launch an RDS instance and associated with a specific security group? It seems to only let me launch one that is associated with the default security group of the chosen VPC. I can ...
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220 views

Intermittent 404 on select assets, LAMP stack

We have a LAMP stack WordPress server that is serving most assets correctly. However, one plugin's CSS file and several images are returning soft 404s roughly 20% of the time. I can't find any ...
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2k views

How to install latest Tomcat7 using yum on AWS EC2?

I'd like to install the latest (7.0.53) Tomcat on an AWS EC2 instance running Amazon Linux. If I were to do "sudo yum install tomcat7 -y", I would only get version 7.0.47, as shown by " yum list ...
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76 views

RabbitMQ server randomly, mysteriously stopping

I installed RabbitMQ on my EC2 box following the RPM install instructions from their website. My OS is CentOS. Every now and then, the rabbitMQ server just stops running, nothing shows up in the ...
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188 views

Unchanged Elastic Beanstalk transitions to RED health

I've got an application running on Elastic Beanstalk that seems to randomly transition to RED. The App is running just fine and has been for a while (it is also not crashing) but every once in a while ...
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114 views

Upgrade the storage and/or provisioned IOPS on a reserved RDS instance?

I would like to reserve an RDS instance, but as of right now my instance does not need a lot of storage provisioned. I would like to reserve the instance with 100GB and 500 IOPS provisioned, but I ...
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190 views

How to restore a dd image to an EBS volume

I have a local dd image myimage.bin, which I want to use to create an AWS EBS volume. The only way I can figure out how to do this is to, 1) Launch an AWS instance 2) Create and attach an EBS ...
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117 views

Web App login redirecting to homepage on AWS Elastic Beanstalk

I've hosted my application on AWS Elastic Beanstalk. The application behaves itself in a local environment and shared hosting environment, but when on AWS it refuses to login. Instead it redirects ...
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312 views

EC2 - editing .bashrc causes terminal to hang and checks to fail

I've been testing this for the past few hours with no luck. When launching an Ubuntu 12.04 EC2 micro instance, I SSH to it, create a new user and continue with installing Ruby version manger under ...
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381 views

Separating Secure Network and DMZ (nonsecure) in a PCI Compliant Infrastructure

We are setting up a PCI Compliant infrastructure where most of our applications are running in a DMZ (demilitarised zone) that contain no sensitive information. The part that contains sensitive ...
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36 views

Understanding POIPS of EBS volumes

According to aws documentation. 1PIOPS = reads and writes in I/O sizes of 16KB blocks. My question is, How much time will I require to copy 1GB data to a volume having 500 PIOPS ? 1GB= 1024*1024 KB ...
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474 views

Amazon EC2 instance of Windows Server 2012- unable to connect to simple webserver

Using Amazon EC2 I have successfully launched a Windows Server 2012 instance and configured it to run a Tomcat webserver. From within the VPS itself, I know the webserver is working because I see the ...
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139 views

AWS Elastic Beanstalk - ASP.NET application missing images

Whenever I deploy my ASP.NET application to EBS it is missing most of the images, as if they are not getting uploaded. I suspect I need to configure something correctly, but I can't see what. In my ...
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30 views

Is it possible to change the EBS size on Elastic Beanstalk?

By default, creating an environment on Elastic Beanstalk spins up EC2 instances with an EBS storage of 8 GiB. Is it possible to change this value and get a bigger EBS storage for every instance?
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624 views

Amazon S3: allow user access to subfolder only on any bucket

I'm trying to write a policy that will allow a user to read from any bucket (that part works) but only write to a specific subfolder on any bucket. This is my policy so far (reading works, but it ...
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125 views

AWS Cloudformation issue installing custom binaries

I'm trying to install a custom compiled package that I have in S3 as a zip file. I added this on my Cloudformation template: "sources" : { "/opt" : "https://s3.amazonaws.com/mybucket/installers/...
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541 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 ./...
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539 views

SQL Server Replication - How to connect to a system via computer name rather than IP address in Amazon AWS?

In Amazon AWS, VPC, I am trying to setup replication in SQL Server, and have three servers setup with port 1433 RDP open (1 web, two SQL). I can RDC into each server. From the web server, I can ...
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75 views

AWS VPC public web application connecting to database via VPN

What I am trying to do is set up a web application that is public facing but makes calls to a database that is on an internal network. I have been trying to set up an AWS VPC with a public subnet, ...
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44 views

How To Get Amazon RDS Network Utilization Statistics

With Amazon EC2 instances, one can use cloudwatch to find how much bandwidth is going in/out. However, this is not the case with the RDS database. Does anybody know of a way to discover the ...
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252 views

Launching new Elastic Beanstalk environment using Amazon Lunux AMI v2013.09 not working

I am starting from scratch to launch a new Elastic Beanstalk environment using 64-Bit Amazon Lunix AMI version 2013.09. It is for tomcat 7 non-legacy container. But after the environment is created ...
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135 views

Handling multiple server blocks in nginx configuration

I am working on setting up a proxy server for my application.The use case is I want a specific set of requests to be redirect to say abc.com and rest of the request to be redirected to xyz.com. Eg:If ...
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62 views

maintaining session in elastic Bean

As the number of instances changes from time to time in EBS amazon. If an application is built in PHP how the session will be mantained among several instances? How can we make sure not to delete the ...
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808 views

EC2Connection.run_instance fails

I am trying to spin up an ec2 instance using boto. But I run into the problem e.run_instances(AMI_ID, key_name='lappy', instance_type='m1.small', security_group_ids=['sg-4bf11724']) Where e is ...
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1k views

How can I launch a vanilla non-marketplace open CentOS ami on Amazon EC2?

A while ago I did some research and launched a Centos 6.4 image from the Amazon Marketplace. It didn't have any fees (other than usage fees). That was working fine until I messed up a config file and ...
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36 views

Is it possible to mark the C drive read only on an Win 2012 server?

I'm wanting to spin up AWS instances where users are allowed to write to an attached D drive, but the C drive containing windows server 2012 will always be fixed, they won't be able to write to it or ...
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448 views

Windows Server 2008 - Smart Card service is down

I'm getting this weird error when trying to work with a SmartCard on an ec2 machine running Windows Server 2008. I'm using AnywhereUSB to connect my physical smart-card reader to the remote machine. ...
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668 views

Use Amazon SNS to send nagios alerts

Is there any way by which I can send nagios alerts to Amazon SNS ? I have tried with following steps, but its giving me this error in the Nagios log file: Jul 12 11:38:23 ip-10-134-13-204 nagios3: ...
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215 views

Safe filesystem encryption using mdadm and cryptsetup in EC2

I need to safely store some encrypted information in EC2. For this purpose, I'd like to encrypt a filesystem on my EBS drives to ensure that third-parties won't be able to poke around in my data. ...
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178 views

AWS VPN issue routing to 2nd ip block

I've just setup a VPN link between our local network and an Amazon VPC. Our local network has two ip blocks of interest: 192.168.0.0/16 - block local-A 10.1.1.0/24 - block local-B The AWS VPC ...
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22 views

Setting initial passwords or taking user input on Amazon Marketplace

We're looking to put an image on AWS Marketplace. The image is to include a password-based web user interface. What is the correct way to set that password? Some options come to mind: Set the ...
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2k 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 ec2-user]...
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146 views

How can I store the Postgresql data on the EBS Volumes and not on the Root Volume?

My PostgreSQL database is currently stored in the cloud. Normally, when creating a PostgreSQL database, all the data is stored on the root volume of the EC2 instance. How can I make sure all the ...
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175 views

market place EBS volume as secondary device

I managed to lock myself out on AWS marketplace centos 6.3 server. It seems to be a permission issue (SELinux) and needs some reconfiguration. I was going to mount the root drive of the problematic ...
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338 views

Elastic Beanstalk Rails - Modify passenger config passenger_max_pool_size

I need to increase the passenger_max_pool_size for my Rails application running on passenger. I have used Elastic beanstalk for deployment. Any idea, how to go about this? Is there an optionsetting or ...
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649 views

security group not allowing connection to postgres ec2 aws

Hey im having some trouble allow remote connections to postgres from other ec2 instances using the named security group feature to rules. I have set the listens directive in postgres.conf to "*" and ...
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332 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 ...
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156 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. ...
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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 ...
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923 views

AWS: How do I create an EBS AMI from a scratch image or file tree?

I have a file tree in a directory. This is used to build bootable systems on hard drives and flash drives. I've also used it to build images for virtual machines. I would like to make an AWS AMI ...
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231 views

Autoscaling policy brings up the wrong number of instances.

I configured an autoscaling policy to bring up 8 instances, but it won't bring up more than 2. Here's a description of the policy from AWS: bash# /opt/aws/apitools/as/bin/as-describe-policies ...
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142 views

How to increase the performance on Amazon Elastic Mapreduce for job execution?

My task is: Initially I want to import the data from MS SQL Server into HDFS using SQOOP. Through Hive I am processing the data and generating the result in one table That result containing table ...
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211 views

how to analyze cloudwatch data?

What is the best practice to analyze whether the EC2 server/loadbalancer is overloaded? We can get some stats from Cloudwatch . But is there a user friendly way to analyze Cloudwatch data ?? ...
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46 views

Mysql Master-ColdMaster

I explain my case: I'm at Amazon AWS and I want to be fault tolerant on a entire region failure. My basic problem is to have the db in sync with 2 regions. My options: Master-Master (high lag) ...
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166 views

Amazon Cloud Services for Disaster Recovery

To simplify our environment, at it's most atomic level, we have a .NET website running on IIS 6 on one server and the website depends on data from a MS SQL 2005 database on another server. We have ...
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147 views

Getting bandwidth spent by user or by rails application on Ubuntu

I'm running multiple rails applications on AWS instance and I need to know how many bandwidth is each application using/wasting. Some of the applications are running with passenger over Apache2 some ...