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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What sort of updates do ELB properties support (for CloudFormation)?

Question: What type of updates do each ELB property support? I'm reading through the ELB CF docs: AWS::ElasticLoadBalancing::LoadBalancer ...
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79 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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403 views

AWS VPN Tunnel going down without traffic

I managed to setup a site-to-site VPN connection from Amazon VPC to a company's network, and after a lot of configuration it was working fine, but now i realized that the VPN tunnel is DOWN every time ...
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60 views

Can I use any domain name for my active directory domain controller inside a Amazon VPC?

In the tutorial I found, it recommended using compute-1.internal as the root suffix and just creating my domain on top of that so I have been using mydomain.compute-1.internal. I am wondering if I ...
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224 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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1answer
299 views

VPN Between Checkpoint R75.20 and AWS VPC

I have been trying for a long time now to configure a site-to-site VPN connection between Amazon and a Checkpoint R75.20 (previously i tried with Azure) unsuccessfully. I have tried everything and ...
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143 views

AWS: Best solution for syncing files across autoscaled EC2 instances?

I'm working on setting up autoscaling on EC2; Instances will be running a web app with big traffic spikes. The first solution I tried for syncing files across instances (since the web app will write ...
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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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1answer
238 views

How to configure the login system message?

Each time I SSH into my AWS Ubuntu servers I see a system information message, showing load, memory usage and packages available to install, like this: Welcome to Ubuntu 12.04.3 LTS (GNU/Linux ...
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1answer
73 views

Why the system information message when accessing an Ubuntu server doesn't match free -m?

Each time I SSH into my AWS Ubuntu servers I see a system information message, showing load, memory usage and packages available to install, like this: Welcome to Ubuntu 12.04.3 LTS (GNU/Linux ...
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0answers
125 views

How do you create HVM AMI images on EC2?

How do you create HVM AMI images on EC2? I've searched a bit, it seems I am only able to create a paravirtualization AMI image, which means it cannot be applied on the HVM-based instances. FYI, I'm ...
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2answers
251 views

How do I set up DNS with nic.io to point to an AWS EC2 server?

I purchased a domain one week ago via nic.io. I have elected to provide my own DNS [because they provided no other option]. I'm trying to point my .io domain at my EC2 server instance. I've allocated ...
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1answer
47 views

Logs show lots of user attempts from unknown IP [duplicate]

I lost access to my instance which I host on AWS. Keypairing stopped to work. I detached a volume and attached it to a new instance and what I found in logs was a long list of Nov 6 20:15:32 ...
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1answer
275 views

AWS Cloud Formation.Requires capabilities : [CAPABILITY_IAM] (Child Stack)

IMPORTANT I'm building the TemplateURL dynamically. "TemplateURL" : { "Fn::Join" : ["", [ { "Ref" : "TemplateURL"}, "substack.template" ]] } I'm running a CloudFormation template in the AWS ...
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3answers
885 views

Backing up data stored on Amazon S3

I have an EC2 instance running a web server that stores users' uploaded files to S3. The files are written once and never change, but are retrieved occasionally by the users. We will likely accumulate ...
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2answers
259 views

I'm trying to use “aws s3 sync” on my EC2 instance. Is the '--exclude' option broken?

I'm trying to backup my EC2 instance to S3 using Amazon's official tools that come preinstalled on the EC2 instance. I'm having difficulty getting the sync command to exclude directories from the ...
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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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1answer
28 views

How can I tell if my Amazon Windows instance was an SQL Server AMI?

I want to purchase some reserved instances, because I have several instances already created and running 24 hours a day. When I go to purchase a Windows instance, I can see 3 options, Windows ...
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1answer
104 views

AWS Cloudwatch monitoring - what is the difference between Average, Sum, and Maximum

I'm setting up alarms for my EC2 instance. This may be basic math, but I'm confused as to what the difference between "average", "sum", and "maximum" as it pertains to a CloudWatch graph. ...
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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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0answers
34 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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20 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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60 views

How to add a second domain to an EC2 instance with Elastic & Route 53

I've got my domain site.com running on EC2, using Elastic IP and Route 53. I want to park site.net so that it resolves to the same site.. I've looked up Migrating an Existing Domain to Route 53 in ...
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2answers
95 views

Which of these packages am I looking for to install Apache on Ubuntu?

I am a programmer who has to configure a server to run Linux, Apache, and Python (with Django). When I type apache2 into my terminal, it responds with the following: The program 'apache2' can be ...
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283 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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321 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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2answers
236 views

Pass User Data to AWS client

Has anyone successful passed user data to the AWS CLI ? I have tried various incantations of the following but it does not work. Docs say string must be base64 encoded : ...
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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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1answer
27 views

Manage another AWS Accounts EC2 Instance

I manage AWS for my company (C1), as well as for a subsidiary (C2). The subsidiary just has a single EC2 instance. Is there a way (I assume via IAM) to grand the rights to C2's EC2 instance so it ...
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3answers
140 views

Which AWS Ubuntu image has swap partition preconfigured?

I found that even I use the same EC2 Ubuntu image (default), some machine type will has swap partition preconfigured, e.g. m1.small, but some are not, e.g. m1.medium. Where can I found these ...
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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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2answers
61 views

Can I re-attach my EBS while a snapshot is pending?

I have my database backed up to an EBS drive. My current backup method is 1) queue all writes (not important how) 2) kill database process 3) detach + umount ebs volume 4) take snapshot 5) ...
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1answer
44 views

Attaching EBS volume to EC2 Amazon Server

I have an Ec2 instance that i created on Amazon aws server with 8G of volume, later i found out i needed to increase the size of the server, then i found this answer using EBS attached volume using ...
2
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1answer
260 views

Vagrant-aws not provisioning

I'm trying to spin up and provision an EC2 instance with Vagrant, it successfully creates the instance up and I can then use vagrant ssh to SSH into the it but Puppet doesn't seem to carry out any ...
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0answers
183 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 ...
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100 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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1answer
191 views

Default Time To Live (TTL) on AWS Elasticache Redis implementation

What is the default Time To Live (TTL) in the AWS Elasticache Redis Implementation? I figured I could get it from the redis-cli, but looks like it doesn't support the CONFIG GET * syntax generally ...
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2answers
160 views

Invalid format for New Relic licence when installing on Elastic Beanstalk

We've created an app that is running on an Elastic Beanstalk instance, 64 bit PHP version 5.4 (so not legacy). I've used the New Relic installation instructions to install New Relic, and viewing ...
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1answer
100 views

Install DataStax Ops Center EC2

DataStax Ops Center EC2 multi region setup, with 2 nodes in us-east-1 and 2 in us-west-1 Ops center is installed on a separate ec2 instance, and can see the cluster, but I cannot get the agents ...
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2answers
84 views

Automatically mount drives when debian server reboots

I have a Debian server (which is a AWS EC2 Instance) and I have multiple AWS volumes attached to the server, which are all mounted in /mnt. However if I ever reboot the server (which happens whenever ...
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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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1answer
675 views

service httpd restart failure on aws amazon linux ami

Thanks for your help. I recently did the following: Ran sudo yum update on my ec2 instance running the Amazon Linux ami I then added a virtual host to my vhost.conf for a subdomain. While the server ...
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101 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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1answer
328 views

AWS CloudFormation: VPC default security group

I have a cfn stack that (among other things), creates a VPC, several security groups, and a handful of EC2 instances. It's trivial to assign security groups that are created within the stack to ...
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2answers
3k views

/etc/security/limits.conf soft nproc limit appears to be ignored

My MongoDB database was running into problems under load, with the following errors spamming the logs: [initandlisten] pthread_create failed: errno:11 Resource temporarily unavailable [initandlisten] ...
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1answer
42 views

EC2 Instance and VPS for same domain - get email working

I have two servers: (A) - A VPS (Centos) (B) - Amazon EC2 Instance (no connection to A) - (Ubuntu) I'm having an issue of: not being able to receive email on (B), I recently switched my domain from ...
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1answer
224 views

How to copy all s3 buckets to another AWS account?

I'm copying all EC2 instances to another AWS account (creating the AMIs, sharing them with that account and running the instances from AMIs there). I also need to move my S3 buckets since the ...
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1answer
247 views

How do I host multiple SSL websites on a single EC2 instance using Amazon Elastic Load Balancers?

If I have 3 separate websites which all require SSL (separate certificates) that I want to host on the same EC2 instance(s) across multiple availability zones so that we have the ability to scale and ...