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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173 views

TCP congestion collapse

I am experiencing suboptimal performance on an EC2 instance connecting to an RDS instance. This particular instance was built before VPC's existed, so all the traffic is flowing through a single ...
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140 views

Does AWS Elastic Beanstalk Swap Environment Url swaps environments for git push?

I have read the docs for zero downtime on aws but cant seem to understand what happens in this scenario? I have a environment running in production called 'red' I duplicate the environment as 'blue' ...
3
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0answers
2k views

Apache 2.4 not closing connections

I have an Apache 2.4 webserver that runs on a micro instance of AWS with CentOS. The apache is running PHP with a prefork MPM module. The server is accessed via an Amazon load balancer which has a ...
3
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0answers
1k views

Incorrect deployment of WSGI app to AWS using Elastic Beanstalk

cross-link to AWS forums I have developed a simple Python web service using WSGI and would like to deploy it to AWS cloud using Elastic Beanstalk. My problem is I cannot make all the options I ...
2
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0answers
27 views

Nginx setup on aws - redirecting to port 81, cannot reverse

I've tried to setup nginx on my free AWS instance so that it can host multiple domains on single ip address (not sure if it can be managed, but I'm trying to dig in). In that process I created ...
2
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0answers
33 views

Tuning Amazon Linux worker tier

I have a worker tier that is using PHP process control (pcntl) functions to send multiple requests to the SNS service in parallel. My question is how best to tune MPM_PREFORK directives to get the ...
2
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0answers
640 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
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0answers
136 views

s3 policy for quota

Is there a s3 policy rule that can only allow a user to upload so many GB of files? Basically looking to set a quota on the objects a user can upload. Here is the rule set that I have now: { ...
2
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0answers
336 views

AWS connection error: Permission denied (publickey)

Sorry if this sounds redundant to you but trust me its not. I have tried almost majority of the links related to this problem but nothing is working for me so far. I even tried this article two. Below ...
2
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0answers
1k views

AWS ELB session stickiness issue when multiple AWSELB cookies exist in a single request

I have two web apps - App-A & App-B - running in 2 EC2 instances (both web apps are running in both instances) fronted with an AWS ELB. The session stickiness is enabled using 'Application ...
2
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0answers
514 views

How to install a newer version of php on AWS Opsworks?

Our code base is using PHP 5.5 and we are wanting to deploy on AWS Opsworks however when selecting the PHP App Server layer we are told it has PHP 5.3. What I was hoping is that I could just use the ...
2
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0answers
299 views

How to create an Amazon AMI with HVM from scratch?

All the instructions I find online start with an existing AMI, but I would like to create an AMI from scratch using HVM instead of PV. Does anyone know the procedure for doing this?
2
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90 views

intermittent AWS Linux AMI server error “File does not exist: /var/www/html/var”

Intermittent error "File does not exist: /var/www/html/var" from all areas of a Zend MVC app resulting in pages occasionally failing to load - when normally they load perfectly. Our Set-up MVC app on ...
2
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0answers
134 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.
2
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0answers
2k views

EC2 DNS not resolving hostname to internal IP

I already posted this on the AWS forums without success (https://forums.aws.amazon.com/message.jspa?messageID=502441). I'm wondering if I'll be more lucky here. We have an internal DNS setup that ...
2
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0answers
398 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 ...
2
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0answers
504 views

Monit unable to start sidekiq on Opsworks server

I have used AWS Opsworks to create some servers. I have Sidekiq running as part of my Rails application. When I deploy Sidekiq restarts nicely. I am configuring Monit to watch the pid and start and ...
2
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0answers
90 views

Programmatically add EC2 execute nodes to Grid Engine cluster

I am running Grid Scheduler (fka Sun Grid Engine) on Amazon Web Services. Master node is running all the time, but I want to programmatically add nodes to the cluster (also remove - but remove is not ...
2
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0answers
454 views

AWS amazon SES stopped working suddenly

I am not able to send the mail from aws.amazon SES since from Monday (30-10-2012) previously it is working fine suddenly it stopped working. I got following is the errors A PHP Error was encountered ...
2
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0answers
351 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
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0answers
39 views

AWS ElasticBeanstalk for PHP is stripping the first slash off some requests

I've noticed that the leading slash gets stripped from requests and subsequently alters REQUEST_URI based routing lookups in my application. Is there either a way to disable this or documentation on ...
1
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0answers
17 views

Configuration changes in immutable infrastructure

How are people who are using immutable infrastructure handling configuration changes between their different environments? I can't workout a nice way to create one AMI per role and use it in all ...
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0answers
64 views

AWS yum does not work from private subnet (does work from public)

I have a VPC with a private and a public subnet - each containing an identically built RHEL7 server. I believe the VPC is set up correctly (see following). However, the public server can use yum and ...
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0answers
32 views

AWS S3 bucket permissions

I've created AWS s3 buckets with several thousand objects, initially the access policy was restricted to authenticated users, but later due to some requirement we need to make all objects in this ...
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0answers
45 views

Change Nginx document root from /usr/share/nginx to /etc/nginx

I've tried many things, STFW, RTFM but I still have this problem. The thing is: I have a Nnginx installed in an AWS machine (other fella installed it, not me) and I MUST serve several virtual hosts ...
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0answers
38 views

jboss cluster in ec2 with s3ping

Am trying to get s3ping discovery method working in wildfly 8.0.0. I am using default Amazon Linux AMI and using chef to launch instances in ec2 based on this tutorial ...
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52 views

Managing IAM security credentials for multiple docker containers

Within plain EC2 environment, managing access to other AWS resources is fairly straightforward with IAM roles and credentials (automatically fetched from instance metadata). Even easier with ...
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0answers
92 views

Amazon RDS Instance slowly losing free diskspace

A while back the server running my instance had 20GB of EBS storage. It then started getting disk storage errors, so I increased it to 40GB. Then again, storage missing errors so I increased again to ...
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0answers
59 views

How to change permission of users in RDS?

We have created a MySQL RDS instance on AWS called "lolbob" and while dumping our data over port 3306 using the user that was created during instance creation (also called "lolbob") it fails because ...
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0answers
124 views

Supervisor setup on AWS AMI Linux

I'm trying to get supervisor working to make sure my queue system is always running. Here are the steps I took, which I pieced together from various sources: (Ran as root or super user) Ran: # ...
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0answers
60 views

Amazon IP no longer allowing MySQL connection (Error 104)

I am working on a group project that uses an Amazon EC2 server for hosting phpmyadmin. We have a PHP/MySQL website hosted on my school's server that makes database connections to amazon. Recently one ...
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0answers
90 views

Environment variables using AWS CodeDeploy

I have a web application that utilizes environment variables for some of its configuration (DB credentials, API keys, etc). I'm currently using Elastic Beanstalk for deployment and can easily set ...
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15 views

Amazon AWS IAM Policy based in time of day

The IAM service is Amazon AWS permits the creation of policies based on date, as described here: ...
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0answers
53 views

Connecting to a PostgresSQL Database Instance on Amazon Web Services

I've been trying to use the instructions found on amazon to set up my PostgreSQL database instance and connected it to PG Commander. After getting an initial connection error I checked to see if ...
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0answers
137 views

How can I see my IOPS burst credits?

I've been reading some EBS docs and they are talking about "I/O credit balance" How can I view my current (or historical) credit balance? Each volume receives an initial I/O credit balance of ...
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0answers
200 views

Dockerun.aws.json referring to bucket of another account

I have the following Dockerrun.aws.json: { "AWSEBDockerrunVersion": "1", "Authentication": { "Bucket": "bucket-of-another-aws-account", "Key": "docker/.dockercfg" }, ...
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0answers
476 views

Error missing systemd on AWS server

I cant seem to figure out how to install systemd. I am attempting to upgrade mysql server on AWS from 5.5 to 5.6. I am getting the following error when trying to install- "Requires: systemd" Any ...
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0answers
34 views

aws instance froze, how to find out what went wrong

So we have a instance on AWS that runs CouchDB which was down and not accessible until we rebooted the box (which took a long time). The instance is back up now and I am trying to figure out what ...
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0answers
118 views

Amazon AWS connection issues

I have a strange issue with my Amazon EC2 instance. I have created the following: m3.medium instance hosted in the Amazon cloud This instance runs the following a. Apache Tomcat application server ...
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0answers
45 views

How are autoscaling group termination policies combined?

When creating an autoscaling group I can choose an ordered list of termination policies for its instances. Amazon's documentation states that You can use these policies individually, or combine ...
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0answers
32 views

Grant CloudWatch Full Access to IAM role for specific namespace

Could not find this in the documentation anywhere — let's say I want to allow an IAM role to have full CloudWatch access but only for a single namespace of my choosing. Is this possible?
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0answers
39 views

Assign chef roles to layer/instance

I'm trying to get the following cookbook running in OpsWorks: https://github.com/lusis/chef-logstash/ Following their documentation I have to assign roles to my server(s) to get stuff running. They ...
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0answers
126 views

AWS: Sync WWW folder between multiple load balanced instances

I am new to AWS. I am trying to setup an EC2 web server. I got the server up and running, I made the AMI (which included the WWW folder), added the load balancer etc. I terminated the original ...
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0answers
251 views

Using Proxy Protocol with AWS ELBs and IIS 8

I'm trying to move my SignalR application, hosted in AWS behind an ELB on IIS8, to use websockets. After following the steps recommended by AWS (change listeners on the ELB to TCP, enable proxy ...
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0answers
175 views

Can you configure AWS Console for your time zone?

We have a maintenance event coming up on our EC2 servers, and the AWS Console lists the event time in UTC-5 - which is US Eastern. Start time September 26, 2014 7:00:00 AM UTC-5 Our company is ...
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0answers
81 views

VPN load balancing between AWS regions for DataStax cluster

I am testing some DataStax Enterprise clusters in different AWS regions and working on a desirable architecture. Currently - I have one cluster with datacenters in us-east, us-west, and eu-ireland. I ...
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0answers
182 views

Dedicated per region fee for Amazon EC2 dedicated instances

I'm sorry if this isn't the right forum for this question but I read the rules and it didn't seem to imply I can't ask this... Anyways I'm looking to get some EC2 dedicated instances because I will ...
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0answers
35 views

Webserver needed for django WSGI API?

My app is just a REST API written in django. There is no static content or html pages served. In setting up our production environment, we are planning on using amazon ELB (load balancer) to balance ...
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0answers
368 views

Elastic Beanstalk git aws.push taking a long time and more

I am starting to use the git aws.push command from within a git repository for a certain project we are currently working on. Within the root of the repo I have got the .elasticbeanstalk directory ...
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0answers
535 views

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 ...