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 EB deployment errors - No module named cfnbootstrap

I am trying to deploy my application on AWS Elastic Beanstalk, it states some errors when the process is completed and reading the logs this is what I've found: File "/opt/aws/bin/cfn-get-metadata", ...
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1answer
46 views

Sending Data extremely slow or RDS

I have the following two profiles for a basic SELECT STATEMENT: select count(*) from mturk_completion; Here are the two profiles: # My Local machine, using a local db Status ...
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1answer
22 views

Debugging a mysql connection

I am trying to figure out how to diagnose a mysql connection issue. When I run a group of queries locally on my machine it takes about 1s to run. When I run that same group of queries on an AWS ...
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1answer
30 views

How to the set the hostname in an AWS ec2 instance to a unique value in an autoscale group?

I wanted to find out what is the best practice of setting the hostname of an Ec2 instance that is in an autoscale group. I am looking for a method that is generally acceptable in the ...
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35 views

CloudFormation with an ELB and its public dns

I'm using Cloudformation to build a load balanced stack. My concern is that each time the stack is recreated, the ELB public url will change, which will require a change in the website's route 53 ...
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54 views

AWS EC2 instance hyperthreading

I am currently doing some performance testing of web-apps that we have moved to AWS. One of the things we have noticed is that vCPU performance doesn't seem to be nearly as good as we'd expected. In ...
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1answer
18 views

Create Windows AMI from EBS snapshot

I made an AMI from a Windows snapshot using AWS Console, but the operation created an AMI of type "Linux (Other)". Funnily enough, the AMI launches and AWS charges the Linux price (!). However, I am ...
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9 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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1answer
16 views

Amazon Custom AMI

If I create a custom AMI for an EBS backed EC2 instance after installing numerous applications and making lot of config changes to the EC2 instance like IP Tables, httpd.conf file etc... Will the ...
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10 views

amazon aws ec2 setting ppp vpn server POSTROUTING eth3 failed

I use amazon aws ec2 to setting ppp pptpd vpn server. I have two interface is eth0 and eth3. And the iptables -t nat -A POSTROUTING -o eth0 -s 192.168.1.100 -j SNAT --to-source 10.0.0.233 is working ...
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14 views

AWS volume from snapshot missing data

This is a weird one. On a new ec2 instance + new data volume attached at /dev/xvdb mounted with: mkfs -t ext4 /dev/xvdb mkdir /mnt/xvdb mount -t ext4 /dev/xvdb /mnt/xvdb I take a snapshot of ...
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1answer
45 views

EC2 instance running apache tomcat not accessible from outside

I have a 64-bit amazon linux instance in aws. I am running apache tomcat6 running on that machine. sudo fuser -v -n tcp 8080 USER PID ACCESS COMMAND 8080/tcp: ...
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2answers
42 views

bind: cannot assign requested address

I've recently switch over to AWS from Rackspace and I'm setting up a simple geolocation server using freegeopip. While the following commands work perfectly on a new Rackspace serve (Ubuntu) I can't ...
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1answer
33 views

Multiple Ec2 instances on Amazon free aws account

I created amazon micro instance with IP ec2@x.x.x.x.com . While using amazon free service, if I create 2nd micro instance then will it be chargable? or only one micro instance is available on for ...
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14 views

Query regarding hosting an app with python, bootstrap & mongoDB [duplicate]

We are a startup & have an application built on bootstrap, MongoDB & python. We are looking for hosting options for the same. What we have been able to understand by talking to support team at ...
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20 views

How to enable ICMP echo replies on AWS EC2?

While traceroute seems to work on AWS EC2 $ traceroute www.google.com traceroute to www.google.com (216.58.217.100), 30 hops max, 60 byte packets 1 * * * ... 17 209.85.242.140 (209.85.242.140) ...
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24 views

How can I use AWS placement groups with ironfan?

I would like to use AWS placement groups in order to decrease latency between my front-end server and back-end servers in a particular availability zone. We use the Chef orchestration layer Ironfan, ...
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19 views

Sharing between EC2 Instances not working

I want trying to setup a render farm in AWS where I created all my instances using my 'Windows 2008 Base' based AMI. I will have one manager instance which is attached to EBS drive (D drive) and this ...
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1answer
73 views

Whitelist Elastic Load Balancer based on IP [closed]

I'm serving HTTP traffic on port 80 through an ELB. Since a short time, a growing amount of clients are asking me what our IP addresses are (to harvest data). Apparently they can't whitelist the DNS ...
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1answer
20 views

AWS Security Group settings for public application

I'm a bit confused by AWS security groups. I have an application on EC2 that I need accessible to everyone (in theory) in the world. AWS says this though: "If you use 0.0.0.0/0, you enable all IP ...
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0answers
46 views

How can I make presto (or anything) an executable file on a Linux Server? [migrated]

I tried CHMOD along with the file directory but it just can't seem to find it for some reason. I've tried the following: -bash: homeec2-user: command not found [ec2-user@_________ ~]$ ...
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1answer
55 views

AWS public subnet autoscaling group with outbound NAT

I have seen this question : Static IP address for outgoing traffic from AWS autoscaling group but it doesnt seem to fit exactly what im trying to do. Here's the scenario: I have a autoscaling ...
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1answer
64 views

How can I upgrade to Java 1.8 on an Amazon Linux Server?

I tried sudo yum update but it just keeps java "1.7.0_75". I need 1.8 for it to work with another application but can't figure out how to upgrade it. Do I need to manually install it somehow? There's ...
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1answer
18 views

VPS to Amazon Web Services

We currently have a rented VPS with such setup: MySQL service (multiple databases (schemas) inside) Multiple JVM services (Netty based API services). We need to be able to withstand high load ...
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1answer
34 views

Assign two domain names to a single EC2 instance

I am running an AWS EC2 Linux instance with Elastic IP a.b.c.d. and I am hosting two different websites on it: ServiceA: http://a.b.c.d/serviceA ServiceB: http://a.b.c.d/serviceB I have purchased ...
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1answer
43 views

Redirect non www to www not working [duplicate]

I have created an .htaccess file with the following code in order to achieve this Options +FollowSymLinks RewriteEngine on RewriteCond %{HTTP_HOST} ^example.lk[nc] RewriteRule ^(.*)$ ...
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1answer
14 views

AWS VPC: IPSEC VPN: Change the preshare — how?

Have read 50 pages of docs, and googled, and what is the answer? When you create a vpn in the VPC control panel, AWS generates the preshare. Fine. So after the consultant has the configuration ...
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1answer
49 views

AWS Pricing with S3, CloudFront, Route 53, and SSL? [closed]

We have a small static website <2mb (free storage in Amazon S3...?) that we want to host in an Amazon S3 bucket and distribute using CloudFront. Approx. 4 million sessions per month, where each ...
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1answer
77 views

Packer unable to pack aws image into VPC

I am trying to make a packer image, but on our amazon account we DO NOT have a default VPC. It has been removed. And have been getting this error when trying to pack the image: ==> ...
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1answer
30 views

Amazon ECS MissingAuthenticationTokenException

I follow this instruction http://docs.aws.amazon.com/AmazonECS/latest/developerguide/ECS_GetStarted.html and here's what I got: $ aws ecs list-clusters { "clusterArns": [ ...
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2answers
67 views

Copying data between AWS EC2 machines

There are times where, in order to do some debugging or perhaps a manual migration, I need to copy large chunks of data from one EC2 instance to another. When the size of the data is tiny, it's simple ...
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2answers
45 views

Load Balancer, EC2 - HTTPS Connection

Ok this might be a rookie question but here's my scenario. I have a loadbalancer managing a single EC2 instance at the moment. I have an application running on that EC2 instance. What I like to ...
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1answer
80 views

AWS Override VPC DHCP - Additional Option Sets for RRAS VPN Clients

I am trying to run a RRAS VPN server that pulls from a windows DHCP server running on the same box. I am finding that the AWS DHCP is getting hit first with the DHCP request and it provides invalid ...
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0answers
43 views

How to best use Amazon's “ephemeral” SSD devices under Linux? [closed]

Amazon attaches "ephemeral" SSD device(s) to most of the instace-types -- these are included in the cost of VM, are fast, but any data on them is lost, when the VM is shut down. How to make the best ...
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0answers
9 views

Grant login permission to rdsa

I am trying to use bcp to import data to Amazon AWS SQL Server Express The standard user does not have permission. I tried to login using rdsa, but I get a password error. I found from the that SQL ...
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74 views

Transaction Emails Magento 1.9.0.1 AWS and Amazon SES

I am working on a magento store which is installed on AWS EC2. I have setup Amazon SES to handle email and I installed the extension aschroder SMTP which supports Amazon SES. Using this system I am ...
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0answers
17 views

DirectAccess Multiple Subnet Deployment

I am looking at doing a DirectAccess rollout on AWS using a single Server 2012 R2 instance behind an edge device. My clients are mostly running Windows 7 Pro/Ultimate, but there will be some other ...
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1answer
84 views

Subdomain using AWS Route 53, load balancer, EC2, Apache

I've tried to follow a few different tutorials on this, but can't quite get it to work. I have all of my DNS for my domain (example.com) in Route 53. Works fine. My top level domain (A record) ...
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2answers
46 views

How to create hostname alias WITHOUT IP address?

In linux , /etc/hosts stores ip aliases. But I want to create a hostname without knowing its IP address. In Amazon RDS , it's endpoint is a long domain name such as : ...
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1answer
38 views

How to reliably list ephemeral storage of an AWS instance?

How can I list the actual block-device name(s) of ephemeral storage available in my EC2 instance? After some trials and errors, it appears that such devices are connected as /dev/xvdn (and /dev/xvdm ...
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0answers
39 views

Amazon AWS EC2 image shutting itself down [closed]

We have a Bamboo elastic instance running on Amazon AWS EC2, which is running Windows Server 2008 R2. There have been multiple times that the instance has shut down automatically. This has occurred ...
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2answers
41 views

How AWS opsworks manages user uploaded content

Might be a rookie question but unable to get clear answer on the web, so please help. Scenario is: I have two instances of php server (Let's say A and B), one instance of loadbalance and one of mysql. ...
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1answer
46 views

How to avoid GRUB errors after runing apt-get upgrade - ubunut

I'm running ubuntu 14.04 on an EC2 After running apt-get upgrade I'm prompted with a screen that asks me to reinstall GRUB boot loader The GRUB boot loader was previously installed to a disk ...
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2answers
62 views

Auto-heal an EC2 instance with an Auto Scaling Group?

I'm trying to setup an auto-healing EC2 instance using an Auto Scaling Group and a user-data startup script. If the current server has an issue where it is no longer reachable, the instance should ...
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1answer
20 views

Uneven load distribution on an elasticache cluster

Amazon elasticache cluster looks to be a really good choice for auto-scaling but it seems the load distribution is not equal among the nodes. Both memory and CPU wise the node 1 seems to take almost ...
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70 views

haproxy proxy protocol x-forwarded-for

I'm using haproxy instances behind AWS ELB. For HTTP Rest, i works like a charm. Now i want to dispatch websockets and have to switch my AWS ELB to TCP mode. I Want to get realip from by backend ...
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1answer
31 views

Is it okay to delete .git directory in AWS OpsWorks S3 deployment?

I'm using AWS OpsWorks S3 deployment for quite some time. Suddenly the deployment fails. When I checked the instance, it turns out the disk is full. When I checked the release path inside the ...
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1answer
40 views

Is it required to create a NAT instance in every availability zone of a VPC

I'm trying to figure out what are the best practices to setup a HA VPC The question relate to: What is the correct setup of a VPC that is spread all over the AZ of a region, with private and public ...
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1answer
89 views

AWS route 53: If I want to use external server do I need to change SOA & NS records?

If I want to point to a server not in AWS, Do I need to change the SOA & NS records that are created automatically (by route 53) ? Thanks Rafael.
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1answer
34 views

Ec2 instance static private ip address

I am using an on-demand instance for testing some services in my spare time. So, I start and stop that instance very frequently, and I see its public and private IPs changing each time. This is ...