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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AWS IAM policy for Action ec2:CreateSnapshot fail when using an ec2:ResourceTag Condition

I am trying to limit a IAM policy for a Role to only allow creation (and deletion) of snapshot based on the presence of a specific Tag. This is my policy: { "Statement": [ { "Resource": ...
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28 views

Can IAM roles affect services on an EC2 instance

I recently created an ec2 server using some user-data to install various modules. This was a standalone instance without an associated IAM role and with a bog standard security group (allow port 80), ...
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57 views

MySQL replication across availability zones in AWS resulting in lag

I have 3 EC2 instances, each running MySQL. 2 are slaves replicating from the master. The master is located in the availability zone eu-west-1b. One of the slaves is in the same zone, and the other ...
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45 views

EC2 Security Groups and Postfix

I am having some difficulty getting ports open on EC2. I setup an EC2 instance and opened up SSH (tcp:22) initially. Then I configured Postfix and was successfully able to connect (telnet to port ...
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35 views

ssmtp won't send cron email

I can't figure out why cron on my AWS EC2 (Ubuntu 14.04.1 LTS (GNU/Linux 3.13.0-32-generic x86_64)) can't seem to send email out via sSmtp to AWS SES. This works: echo "test" | ssmtp my@myemail.com ...
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38 views

openswan slow initial iperf tests

I have some working tunnel servers and although they appear to work, I'm concerned about the results of some performance tests I've been performing. The results look much like this: ...
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60 views

Transferring Windows server from Rackspace to AWS

I've had a Windows server hosted with Rackspace for a while. The same setup also hosts the SQL server, and has all the IIS configs, etc. Being a Windows server noob, I have no idea how I could ...
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29 views

Nginx proxying into random location

We are running a small nginx proxy on AWS which is adding some HTTP headers to incoming requests and then proxying these requests to another server. Nothing complicated. Its configuration is as ...
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55 views

Load balanced EC2 instances for high performance hosting?

I have a fairly hefty Dell machine with dual quad-core cpus and 32GB memory. On that machine I host a pretty busy forum, but the one machine does everything; web, cache, db, sphinx, etc. I also have ...
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80 views

AWS - elastic load balancer unable to handle the request

I'm totally new to AWS and the world. My problem here is while requesting to AWS server. I have a server staging-storage.zazzercode.co pointing to following DNS's with respective load balancers, ...
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25 views

In Route53, balance traffic between ELB and other IP v4 addresses

Using Route53, is there a way to round-robin to a combination of ELB's and IP v4 addresses? I have three load balancers, two are external to AWS and one is an AWS ELB. I want all three load balancers ...
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75 views

All EC2 outbound traffic is blocked

This is access from WITHIN an EC2 outbound to anywhere. (EC2-BAD) I can get INTO the instance via ssh and I can run my webserver on port 80 and I can ping from another EC2 (EC2-GOOD) in the same VPC. ...
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27 views

What Amazon Cloudwatch metrics I should choose for scalability?

I have application is deployed by Elastic Beanstalk. It only connecting to ElasticCache. I am testing my script capacity using siege utility siege -c 500 -r 1000 -b myurl My summary: ...
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14 views

AWS Storage Gateway - Rules for local cache

What rules does AWS Storage Gateway use to determine what files are kept in local cache? Can they be edited or otherwise tampered with? Assume I have (for sake of assumption) a 1mb local cache. A ...
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35 views

Clone git repo via https without entering the password manually

I've got a stack in Amazon OpsWorks and within this stack I got a RailsApp Layer. The repository is only accessible via https and is protected with username and password. On my machine I can clone the ...
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65 views

Linux server backup to Amazon S3 using SSL

I have Linux box CentOS 6.5 and i want to backup daily files like SQL dumps and config files to Amazon S3 I have installed Ruby and S3Sync. But the problem when running the s3sync with these ...
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23 views

Installing PySide on an Amazon EC2 Instance Running Django

So I realize my title is almost laughable, but my situation is this. I have a fairly complicated desktop app written in Python and the PySide Qt bindings and I need to make a stripped down version of ...
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49 views

AWS Storage Gateway and Server 2012 R2

I'm having a heckuva time getting the storage gateway VM to authorize: it's not open on port 80. Perhaps I did something wrong? Server 2012 R2 Hyper-V I downloaded the VM but it would not import. ...
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35 views

Best practice for web applications and windows services remote configuration in AWS

we have a distributed system that contains windows services and web applications (.NET and Java based). Currently, most of the initial configuration for these applications are taken from various ...
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73 views

Can't mount bin/iso image from AWS import/export service

A client sent a 2 TB drive to AWSs import/export service; AWS put it in an S3 bucket in two chunks. I catted the two chunks together as an iso file, and tried to mount it, using the directions listed ...
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24 views

how to access Application and Database on AWS as local from other network

Recently I created a micro instance of Amazon EC2 (Windows_Server-2012-R2_RTM-English-64Bit-SQL_2014_RTM_Express-2014.05.20). I configured IIS on AWS and create a database respectively. that is one ...
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405 views

High Performance AWS EC2 / RDS + Nginx + PHP-FPM setup

General description of the issue We're currently running an application on a PaaS type solution for PHP. Their solution is based on AWS cloud and due to the fact that their plans don't fit our ...
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36 views

Why did AWS EC2 Ubuntu node get wiped on reboot?

I shelled into a functioning AWS EC2 Ubuntu instance, rebooted, tried to shell back into it, and found that I was presented with a different host certificate. I was able to log in based on the same ...
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26 views

Is there a way to use something similar to a capture group for apache2 server name

I have a server that sits behind an AWS load balancer. The LB can't do automatic redirect from HTTP to HTTPs, and the LB is doing my SSL. So I need to setup apache on my servers to redirect any ...
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36 views

Python uWSGI logs have no read permissions

I am running a Python Flask server on uWSGI over an EC2 Ubuntu 14.04 LTS. The server is configured as follows: [uwsgi] http-socket = :9000 plugin = python wsgi-file = /path/to_wsgi.py ...
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23 views

amazon beanstalk php suEXEC mechanism enabled

I'm not able to get my PHP Beanstalk setup working. After deploying, when I try to access my load balancer, I get a blank page. I saw in the error logs things start failing after the newrelic ...
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82 views

Token Mismatch When Accessing RDS Instance Through phpMyAdmin on localhost

Having problems using phpMyAdmin with a RDS instance. This is the guide that I used. phpMyAdmin is installed on my Windows 7 laptop and I can connect to the RDS instance and I can see the databases ...
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33 views

Single instance EC2 env versus multiple split stack?

I am fairly new to AWS and have designed a fairly flexible architecture which is fairly performant and fault tolerant over multiple regions/AZs However I was thinking - what would the main ...
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25 views

Visual Studio RDS Setup

I'm trying to go through this tutorial: http://docs.aws.amazon.com/elasticbeanstalk/latest/dg/create_deploy_NET.quickstart.html on setting up an RDS instance and sql db using Visual Studio AWS ...
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32 views

Pending: Master User Password AWS RDS

I'm trying to create a sql server express RDS instance. When I fill out the form on the AWS management console it prompts you to set up a "Master Username" and "Master Password". So I enter some ...
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27 views

Regarding with the apache configuration

I registered a domain in GoDaddy.I setup a few items in my A records: subdomain.mydomain.com 1.2.3.4 mydomain.com 1.2.3.4 www.mydomain.com 1.2.3.4 In my ubuntu server apache virtual ...
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43 views

AWS Server 2008, Restore RDP-Tcp Connection from Remote Desktop Session Host Manager

I accidentally deleted the RDP-Tcp Connection from Remote Desktop Session Host Manager. Is there a way that I can restore connectivity via the registry or the file system? Obviously I am an idiot, ...
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20 views

discrepancy between data used and

In AWS RDS our DB is using up a total of 75 mb out of 5 gb, mysql> SELECT sum((data_length+index_length)/power(1024,2)) tablesize_mb FROM information_schema.tables order by tablesize_mb desc; ...
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38 views

AWS Linux/Sendmail/dkim-milter — how to troubleshoot?

I'm trying to get Sendmail to use dkim-milter on an AWS Linux instance (similar to RHEL/Centos). I've been trying to use these directions, which are a bit out of date, but which seem to work: ...
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33 views

If my SES SMTP credentials are compromised can my SES API usage (using access key+secret) be affected

We want to setup our corporate SMTP server to use AWS SMTP, which uses credentials separate from the AWS Access key and secret. I am thinking that Amazon keeps these separate so that if someone is ...
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102 views

AWS + Nginx + Uwsgi + couple flask applications. Can't separate static files

I'm trying to build 1 aws-testserver for all of my Flask-applications. Nginx conf: server { listen 80; server_name localhost; location /app1/ { uwsgi_pass unix:/tmp/app1.sock; ...
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73 views

Allowing inbound traffic from a different AWS security group

I'm trying to connect my server to a mongodb instance (they are in the same region). In the mongodb's security group, when allowing inbound traffic from 0.0.0.0/0, the server manages to connect. When ...
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137 views

aws ec2 create-tags with quotes

I can't seem to create a tag on a resource if the value contains a quote. For example: aws ec2 create-tags --resource $someResource --tags 'Key=mykey,Value={"json":"value"}' fails with: Error ...
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17 views

Silencing a CloudWatch alarm when MinServers is not exceeded

We have two CloudWatch alarms used to scale up and down an AutoScaling group based on CPU usage. We also have a minimum of two instances running at a time. This means that when CPU load is low on both ...
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119 views

FTP on Amazon EC2 with Zpanel

I'm trying to configure my server using Amazon EC2. I installed the zPanel and he's working well.. But the ftp isn't working until now. I installed the vsftpd service and configured some things. See ...
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54 views

ELB Health Checks incorrectly failing / being unhealthy

Over the weekend, our instances have started being marked as unhealthy, and not being enabled within the load balancer. When going to the public DNS of the instance, followed by the healthcheck.html ...
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249 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 ...
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115 views

Elastic Beanstalk worker issue with node.js

I have an elastic beanstalk worker running a node.js application. The worker used to work well but since I re-create the instance, sqs messages stay in the queue (I have 247 pending messages). I ...
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136 views

AWS Cloudformation Bootstraping with S3 File and Autoscaling

I just started trying to use CloudFormation and am using it for some autoscaling. I am new to all this so bare with me. I am using the sample template for autoscaling found here. ...
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113 views

using git with web hook from github

I try to deploy from a github web hook my code. So I create a deploy file: <?php error_reporting(E_ALL); if ( $_POST['payload'] ) { echo ("****************************************\n"); ...
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96 views

Auto-login to aws ec2 instance running windows on startup

I'm trying to run a service on startup of a windows instance on amazon. So far it is a manual process where I have to start rdp in, log in and then start the process. I'd like it when the instance ...
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23 views

mkfs doesn't work using fabric

I am writing a python script that creating an amazon volume and attach it to an instance using boto. To do so, I need to create a file system using mkfs command. So, I wrote this code: with ...
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138 views

Connection Refused when connecting ssh with putty on aws instance

We created an ebs volume out of a snapshot of an running instance's root volume and then attached this new volume to instance A. When ssh connecting in putty, there is error saying Connection Refused. ...
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247 views

Does AWS EC2 have limits on concurrent connections?

No matter what I do to my EC2 instance, any size and with apache/ubuntu. I can't get it to go over 1400 concurrent connections. Have set the prefork settings high, set ulimit to 1000000 Is this ...
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88 views

Network drops SSH connection to EC2 only

I have an EC2 instance (in eu-west-1) which I've been SSH'ing into for almost a year, but recently the connection simply hangs (i.e. becomes fully unresponsive) when an executed command returns more ...