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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No public DNS on AWS after reattaching EBS volume to new instance

I was following the instructions here: Re-gaining root access to an EC2 EBS-boot image http://serverfault.com/questions/234061/re-gaining-root-access-to-an-ec2-ebs-boot-image And I successfully ...
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159 views

AWS Reserved IP addresses [closed]

I have multiple VPC in my account and I created most of VPC using subnet 10.0.0.0/8 or 192.168.0.0/16 or 172.16.0.0/12 subnet blocks. I am exhausted with my range due to not optimizing the IP ...
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29 views

How migrate Parse Web App to my own Server

There are a lot of manuals for migrating Parse servers to different platforms but none of them say which kind of plugins and packages are needed for those web applications which work with Expressjs on ...
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1answer
25 views

One domain, multiple apps, multiple load balancers on AWS?

The current setup looks like On a single EC2 instance, foo.web http/https traffic is handled by nginx, and routed based on: foo.web/bar/* requests are handled by app #2 all other foo.web requests ...
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4answers
116 views

How to determine AWS EC2 network performance?

I am using an AWS EC2 Ubuntu instance that was set up and configured by someone else (i.e. I do not have access to the management console). This instance is primarily used to download files and sync ...
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1answer
27 views

Cache-Control not working in AWS S3 object Metadata

Follow-up to my original question: No Cache-Control Header for files from AWS CloudFront with S3 Origin Im serving up static files using AWS CloudFront with AWS S3 as the origin. I tried to set the ...
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2answers
36 views

How to improve AWS RDS Performance - Heavy read write updates

After searching and reading as many posts, comments and discussions I could find I did not find one specific to my issue. I have multiple AWS EC2 deployments with a single RDS all in the same ...
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0answers
5 views

Node path on elastic beanstalk

It seems I have node installed in this directory here on my elastic beanstalk instance, however I do not have a node command available on the system. $ ls -la /opt/elasticbeanstalk/node-install/ ...
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2answers
57 views

Ubuntu 14.04 HVM on EC2 t2.medium

I've searched everywhere but can't find a definitive answer: Is there an official Ubuntu 14.04 AMI for HVM that runs on T2.medium? (Or T2.any, actually) It looks like the answer is "no". So the ...
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0answers
10 views

Install kernel modules during an ParaVirtual to HVM AWS instance upgrade

I am trying to create a clone of a PV AMI to an HVM one. The PV AMI is an Ubuntu 12.04 and I cannot upgrade that version. I do have a base Ubuntu 12.04 that is HVM enabled with Enhanced Networking. ...
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1answer
34 views

Can't resolve DNS for RDWeb externally

I'm having trouble accessing RDWeb Access Server via internet browser using my FQDN (https://ifodgw.abacushub.io/rdweb) externally. I am able to access it externally using the elastic ip address ...
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0answers
45 views

Improve SSL Performance with Nginx

We have Nginx in the front of our system and we Proxy to Apache at the back. We use SSL/TLS for our connection. Question: Is Nginx the best option to terminate SSL/TLS connections in terms of ...
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1answer
22 views

No Cache-Control Header for files from AWS CloudFront with S3 Origin

We just migrated to Amazon AWS. We currently have an EC2 instance that's working well. It's running Nginx in front and Apache in the back-end. That's running well also. All sites are launched properly ...
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1answer
18 views

Improving I/O rates for EBS snapshot backed volumes

I'm working with a system that takes a set of 42 rotating daily EBS snapshots of each of its numerous (40) volumes for disaster recovery purposes. EBS volumes are aggregated into a RAID volume. A set ...
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0answers
13 views

AWS Cloudformation : CLI tool to render template

Given an AWS template that contains calls to instrinsic functions, and potential references parameters, is there a CLI tool that allows to pass values for the parameters, and generate the ...
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1answer
27 views

Amazon EC2 Snapshot corrupt

The snapshots for one of our AWS volumes are corrupt. We use these snapshots as backup, and in the past they have been a great help. (NB: This is not our only backup method!) A corrupt snapshot is ...
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0answers
8 views

OpenNMS not running, java.net.MalformedURLException: Local host name unknown: java.net.UnknownHostException:

I basically cloned a OpenNMS machine from AWS and created a exact replica of the system. When I log into the machine and look for the status of OpenNMS i see it as stopped with the error, the error on ...
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1answer
22 views

Occasional “failed to respond” from AWS hosted Elasticsearch

We have an Elasticsearch cluster hosted on Amazon Elasticsearch Service (AWS). We are using the Jest Java HTTP Rest client for ElasticSearch. Every now and then (perhaps 1 in 10,000 requests), it ...
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0answers
25 views

How can I set up mongodb to scale it quickly on AWS

I want to deploy a database using mongodb on AWS, and I think this database will receive a lot of data making necessary to think on the possibility that one server is not enough, so my questions is: ...
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2answers
46 views

Cannot Switch To Root On AWS

I created an instance on Amazon AWS and gave it a key. When it boots I SSH into that instance as ec2-user using that key but I cannot run anything as root. If I type sudo su it asks me for a password. ...
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0answers
32 views

investigate the cause of an instance reboot

I currently run an instance on AWS EC2 ( running Ubuntu 3.13.0-83-generic ), and I am trying to investigate a random shutdown event last night for which I have very little in my log files. Amazon's ...
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1answer
38 views

Unable to access Amazon EC2 Centos 6 web server with Elastic IP

I'm new to linux and AWS. What I've done: 1. I've setup a Centos 6 instance from the AWS store. 2. I just installed the web server and configured the web server with the basics. 3. I've setup the ...
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1answer
40 views

Trying to install CloudWatch Agent on Ubuntu 14.04: “Failed to create virtualenv”

I am trying to install AWS CloudWatch Log Agent on Ubuntu 14.04 following this guide: http://docs.aws.amazon.com/AmazonCloudWatch/latest/DeveloperGuide/QuickStartEC2Instance.html When I type in ...
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1answer
26 views

Can I include recipes in Chef deployment hooks?

It might just be me doing something horribly wrong, but I seem to be unable to use custom recipes in Chef / AWS OpsWorks deploy hooks: # before_symlink.rb include_recipe 'supervisor' OpsWorks ...
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23 views

Elb healthcheck fails for Https

Im using a url for ELB healthcheck in AWS. This health check is working with Http:1140/<myurltoapplication> and the attached Ec2 Instance were showing as Inservice but when i use ...
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2answers
137 views

CentOS reporting lower total memory compared others in AWS

I have a t2.medium instance running in AWS on the CentOS 7 AMI and I noticed in top and free it's basically reporting 3.45GiB of total memory. If I launch an instance with the AWS linux (I think I ...
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1answer
19 views

AWS: By what IP address should I reference on an EC2 instance where is running Redis?

I have 2 EC2 instances - on one is the production app, on the other one is Redis. I connect from the first one to Redis. This is how I set Sidekiq: Sidekiq.configure_server do |config| ...
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2answers
35 views

Should I scale vertically or horizontally assuming equal pricing? [closed]

AWS instances usually have a linear pricing model: i.e. 2 small instances are the same price as one medium instance (which has exactly 2x the performance specs). So what would be the better choice? ...
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1answer
38 views

Access S3 bucket from my EC2 instance using CF::Init via IAM role not working

I have a CloudFormation template I'm using to set up an ECS cluster and I am trying to drop some config files onto the box using CloudFormation::Init on the ASG and pulling them out of S3. ...
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1answer
43 views

pfsense ipsec vpn to amazon aws not connecting

I'm trying to set up an ipsec vpn from our DC networks to our amazon vpc, so a site2site aka network to network connection. For this I've set up pfsense 2.2.6 and gave it a public IP on a WAN ...
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0answers
57 views

Java AWS Server: 502 Bad Gateway nginx/1.8.1

I am getting the 502 bad gateway error after uploading my application via Eclipse and I don't understand why its happening? I created a Sample Application through the AWS Elastic Beanstalk Console. ...
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0answers
13 views

AWS S3 “service user” for non-AWS server?

I'm setting up a server outside of AWS, but I'd like it to read and write from one of my AWS S3 buckets. I know that within AWS, best practice is to assign a role with S3 read/write permission to the ...
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0answers
43 views

curl NSS Error -12156 ssl connect error

I'm seeing the following error while running cURL on an AWS server: curl -v --insecure --disable-epsv -l ftps://foo.com/ --user "foo:bar" * Initializing NSS with certpath: sql:/etc/pki/nssdb * ...
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9 views

Receiving and forwarding mail on AWS EC2 (with Postfix)

I'm trying to configure my AWS EC2 instance to receive mail and forward it to another email address. My domain name is rogier.io and I want to be able to receive mail on example@rogier.io. I have ...
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1answer
17 views

ECS VPC and EC2 Classic, how do they talk?

say that we have a number of instances on EC2 Classic (without a VPC) and a number of instances within a VPC. The Security Group on the EC2 Classic machines allow TCP only for all the machines within ...
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1answer
26 views

Problems with GoDaddy DNS masking and html viewport

I set up a DNS masking for my GoDaddy domain so that my Amazon EC2 url wouldn't be shown to the user. Instead of the original index.html returned by Nginx the user now gets it wrapped in some GoDaddy ...
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1answer
27 views

Why isn't my EC2 Instance online after reboot? [duplicate]

I rebooted my Amazon EC2 Linux Instance today, though Amazon's AWS website. Now if I go to my website Safari says it can't find the server, AWS says my IP has stayed the same. What is wrong here? ...
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53 views

OpenSwan VPN IPSEC Tunnel Connection

I was hoping this website would be able to help with solving this issue since I've been running in circles on my end! I am using OpenSwan to setup an IPSec tunnel between a VPN server on Rackspace ...
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1answer
22 views

How do I protect a VPC from deletion?

We have a VPC with 50 EC2 servers in it. There is a VPN connection to the rest of our corporate network. How do we make sure the VPC doesn't get deleted by mistake by some script and we lose it? ...
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1answer
9 views

How can I install an SSL certificate using Amazon Certificate Manager to a VirtualHost?

I'm using Elastic Beanstalk and a t2.micro instance to host a few of my websites. For one of the websites specifically, I want to enable https. How do I go about doing this? I have each domain ...
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2answers
23 views

amazon EC2 network connectivity setup

I have two VM's on an amazon VPC (same region/availability zone) - they have the same VPC and subnet ID. Should I be able to use the private IP address from one VM to another (as is) or do I need to ...
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0answers
16 views

Creating and running docker containers cluster with Kubernetes on AWS

I Downloaded kubernetes (using the command below): export KUBERNETES_PROVIDER=aws; wget -q -O - https://get.k8s.io | bash Now I have 4 minions machine and one master machine in my aws account. I ...
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1answer
26 views

How to edit response header of Amazon s3

http://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/ServingCompressedFiles.html According to the above doc, for cloud-front to gzip compress files it receives from origin, the response ...
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1answer
11 views

how do I disable piping aws help to the pager?

When I run aws command help it pipes the output through the pager. It has it's pros and cons; the biggest con is that once I press Q to exit, everything is gone from the screen (yes, I know, I can ...
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0answers
10 views

Get traffic / requests list from AWS console

I started working on a new project and it seems that currently I am under attack. I can see abnormal amount of connections to the DB (500+) and I can't find the source because the project has no ...
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1answer
32 views

Can I point a folder hosted on AWS, to my current hosted site in Aptible?

I have a domain www.example.com (which is built with PHP/MySQL) hosted on Aptible server. Now, I am planning to create a blog with WordPress which will be hosted on AWS, and will be integrate to the ...
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1answer
29 views

Apache www to non-www redirect on Amazon Elastic Beanstalk

I've recently moved a simple PHP site to Elastic Beanstalk but am finding it difficult to redirect the www.example.com to example.com. It's not https which most of the suggestions I have found are ...
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0answers
14 views

Amazon CodeDeploy failing on invalid certificate

For the past year or so, I've been deploying to AMI ubuntu-trusty-14.04-amd64-server-20150325 (ami-d85e75b0) running on C3.large instances with Amazon CodeDeploy. I'm using the standard user-data ...
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2answers
29 views

New EC2 instances unreachable when deployed to Ireland

I am new in AWS. I have a few running EC2 instances in Virginia without any issue. Those where created mostly by previous sysadmin I only added 2 extra machines. Now I decided to start a few VMs in ...
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0answers
16 views

Configure alerts on failed Unicorn restart

Our setup looks like this: Ubuntu 14.04.4 LTS AWS Opsworks Chef 12 Monit 5.17 Ruby 2.3 Rails 4.0.8 And we managed to get everything working just nicely, yet however if for some reason, Unicorn ...