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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Amazon AWS Subnets and their gateways

I am a Python developer, and I've been handed (gladly I might add) some DevOps duties. While I'm quite familiar with AWS' console, as well as fabric, and some chef, I'm stuck trying to add routes ...
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1answer
58 views

Connecting two AWS Regions: Why not use two Virtual Private Gateways?

I am attempting to connect two AWS regions. AWS's documentation suggests starting up an instance on both sides to run software IPSec (OpenSWAN or StrongSWAN), giving both instances an elastic IP and ...
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1answer
16 views

Automatically Updating AMI using FTP

I am using AWS and have setup and Instance for my site. I have then created an AMI for this instance and setup load balancing to spin up additional instances when the CPU process gets to 60%+ which is ...
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1answer
28 views

How to make consistent deployment directory for AWS OpsWorks' S3 archive deployment across each servers?

I'm using S3 archive deployment app to deploy a zip file generated from build process. When I deploy to several servers I notice that the absolute path generated by the deployment are different on ...
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1answer
55 views

Perl modules is not getting installed in Amazon Linux AMI ( centOs 6.5)

I am configuring cloudwatch custom metrics which requires some perl modules to be installed. Here is the command I am trying to install the perl modules. yum install perl-Switch perl-Sys-Syslog ...
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1answer
16 views

Chrooted user logged out immediately after login

I am trying to use chroot to setup a user who can login via ssh and limit access to the /var/www directory. The server is on AWS running Amazon Linux 64-bit, openssh installed. I used ssh-keygen to ...
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1answer
69 views

How do I set the beanstalk .ebextensions .config “sources” key “target directory” to the current bundle directory

I'm working in a python 2.7 elastic beanstalk environment. I'm trying to use the sources key in an .ebextensions .config file to copy a tgz archive to a directory in my application root -- ...
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0answers
102 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 ...
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38 views

NGINX: proxy_cache altering headers

I have been having trouble building a proxy between my server and s3 to cache requests. I finally boiled it down to a single point of failure... http{ proxy_cache_path /home/cache levels=1:2 ...
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31 views

Nginx proxy cache invalidating request to s3

I have set up a proxy from my application server to a private s3 bucket to cache requests. I was having some trouble with it where s3 was rejecting my download requests (403 forbidden) and after some ...
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2answers
42 views

How to confirm if AWS server is started and from what boot level?

I have an amazon ec2 instance which is attached to a 8gb volume. The instance is shown running and the volume is attached. After october update my site stopped working with connection refused error ...
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31 views

AWS: RDS instance(s) and connecting from remote machine

I'm moving a site over to AWS. It's on the Amazon-flavored Linux distro, using MySQL. I vaguely remember setting it up a couple of months ago (been busy), and allowed access from my elastic IP. I ...
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1answer
68 views

Cannot enable yum repositories on EC2 machine running Red Hat

I am setting up a Red Hat box on EC2. When I try to install anything using yum, I receive this message: There are no enabled repos. Run "yum repolist all" to see the repos you have. You can ...
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1answer
43 views

How to store a Cloudfront custom error page in S3?

I have a Cloudfront plugged on an AWS load balancer. I saw in the AWS documentation that I can customize Cloudfront custom error pages. I tried to store these error pages in S3 as it is recommended ...
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1answer
24 views

Can't give access to all servers belonging to a security group in AWS

My current structure 1 instance in a VPC set up with an Auto Scaling Group. 1 instance in same VPC with HaProxy load balancer routing MySQL traffic to RDS instances (in same VPC) I have tested and ...
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1answer
28 views

What should an s3 end point look like when configuring an ALIAS record in Route53?

I'm trying to point my root domain to an s3 bucket that redirects to www.mywebsite.com. However, when I try to configure my ALIAS record to point an s3 endpoint, the only endpoint that the dialogue ...
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1answer
36 views

Can you explain “Did you mess with /etc/fstab before rebooting” [duplicate]

I have struggle with AWS EC2 ubuntu server ssh connection refuse. After I wrote mount path on /etc/fstab and reboot, I can`t access the instance. I found your comment at Amazon EC2 - No SSH After ...
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1answer
54 views

Using Webdriver with Chrome — missing Shared Libraries

I am trying to run webdriver, but I keep getting the following error: [ec2-user@ip-172-30-0-41 ~]$ sudo ./chromedriver ./chromedriver: error while loading shared libraries: libgconf-2.so.4: cannot ...
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2answers
93 views

Knife can't ssh into newly instantiated EC2 server

I just set up a new Chef environment as I'm currently expanding my knowledge of Chef. I have a Key Pair set up on EC2, I have my Knife configuration set up. When I attempt to spawn a server, the node ...
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40 views

MariaDB Multimaster replication and AWS Auto Scaling Group

One of the things I hate most about RDBMS is that it can't sit on an ASG like the web servers and bounce it around and scale it up and down like a yoyo. Or can it? Recently looking at MariaDB galera ...
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2answers
66 views

chef: how do I reboot a node only if a confg file is modified

ENVIRONMENT: aws opsworks chef 11.10 and ubuntu 14.04. I'm using a chef recipe to update the /etc/dhcp/dhclient.conf file on an aws opsworks ec2 node in order to add my custom dns search suffix to ...
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2answers
35 views

EC2 Dedicated Instances

Why would I ever choose to use an EC2 dedicated instances as opposed to a non dedicated instance? You have to pay $2/hour/region if you have any dedicated hosts in that region AND the costs per ...
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1answer
33 views

Availability Zone for Elastic Block Storage

If the Availability Zone for an Elastic Block Storage (EBS) volume is us-east-1c, can I mount it on an instance in us-east-1a? If not, what is the best way to migrate the volume?
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30 views

Access ElasticCache Redis instance within VPC from a classic instance

I have an existing AWS EC2-Classic deployment that I am seeking to add a small Redis instance to. As this only needs to be a tiny Redis instance I elected to use the t2.small size. I've since found ...
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22 views

Creating a bootable ami from a raw device AWS

I have a raw block device or a raw file that I would like to convert to and ami or something similar. The raw file can be a variety of operating systems. Also, the file is almost always larger than ...
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1answer
42 views

Amazon RDS replication with external slave

I've recently configured a replication with an external MySQL master and RDS as slave but now I need to reverse that config and use RDS as master and the other instance as slave. Actually I use a vpn ...
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0answers
10 views

Include x-amz-storage-class Header When Calling Amazon S3 from Web.config

Any time my web app calls Amazon S3, it would be nice to conditionally include the following header. I am using a custom domain mapped to an S3 bucket. key: x-amz-storage-class value: ...
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1answer
55 views

How to edit domain's nameservers when no service “takes responsibility”?

I think I may have made a mistake when migrating my DreamHost registered domain to Amazon's Route 53 service. I didn't modify the DNS settings on DreamHost's end during the migration. So now, my ...
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0answers
39 views

iis-disabling-ssl-v3 (CVE­-2014­-356)causing ec2 to Rds connection failure

To disable ssl v3 on my web server (m1.small EC2, i-1aafee15) running windows server 2012 r2, I added registry keys: SSL 3.0->Server->Enabled (0) SSL 3.0 ->Client->DisabledByDefault (1) ...
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1answer
24 views

How to figure out which EC2 instance an EBS Volume went with?

I discovered a few unattached, mystery EBS volumes in my AWS Console. I suspect these are leftovers from some test EC2 instances I had that I may have not noticed were NOT set to delete the volume ...
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1answer
78 views

Passive ftp connection issue for aws/pure-ftpd

I have a centos server running pure-ftp via aws. I have configured PureDB and added a user with correct permissions. I have opened up inbound ports 20/21 and 49152-65534 within the aws security group ...
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22 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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1answer
52 views

aws ec2 and Django ALLOWED_HOSTS

I have put in place my website using Django, on aws EC2, using Elastic Beanstalk. I have set the ALLOWED_HOSTS to ['www.mydomain.fr', '.mydomain.fr'], as recommanded on the Django website. But I ...
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0answers
19 views

cloud-init - migrating EC2 instance between subnets without reconfiguring

We need to move a handful of Amazon Linux EC2 instances between subnets within our region. All I want to change during the move is the IP address. The suggested approach was to Shut down the ...
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1answer
37 views

What name to use when communicating between AWS subnets

I've been googling this all day and can't quite figure it out. I'm trying to setup a multi-tier application in an AWS VPC, but I'm pretty a rookie at large system network architecture. I'm going to be ...
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0answers
22 views

Route 53 how can I set different records for multi level wildcard subdomains?

I'm using AWS Route 53 and I have two A records as follows: *.domain.com - resource1 *.*.domain.com - resource2 At the moment the are both matching resource 1, what I want is for the two level ...
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0answers
35 views

Should I be concerned about AWS inter-zone latency?

I have an app hosted on heroku and I just set up an AWS RDS database. The app and the database are in the same region (US East) but I can't tell whether they are in the same zone or not. Server ...
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1answer
40 views

Can I use Amazon Route 53 for DNS Round Robin without a custom domain name?

I want to use Route 53 to experiment with DNS Round Robin load balancing of several EC2 instances. Can I do this without having/using a custom domain name?
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1answer
39 views

What is the advantage of using a NAT plus private sub-net on AWS vs a public sub-net with locked down security groups and ACL?

My Scenario: I have an SQS queue with an auto-scaling group of EC2 workers processing messages from the queue into a database in a different region. Implied Networking Needs for EC2 Workers: Access ...
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69 views

AWS Elastic Beanstalk : Error creating an auto scaling group without vpc

I have the following error when I try to create a Node.js environment in Elastic Beanstalk : Creating Auto Scaling group named: awseb-e-neymbigw5a-stack-AWSEBAutoScalingGroup-1QX6LF04LAXUF failed ...
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0answers
56 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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2answers
68 views

Never miss a HTTP post [closed]

I have a webservice that have a couple of "machine" clients connected to it that does HTTP post with data once in a while. The nature of the service is that I cant allow the service to loose a single ...
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1answer
56 views

Elastic Beanstalk auto scaling is adding nodes before moving app from ondeck to current

When the autoscaling rules in my group trigger the deployment of a new EC2 instance, or for example I change the instance size to simulate the behaviour the node is deployed but it is added to the ...
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0answers
23 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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2answers
158 views

Chef: How do I access AWS “opsworks attributes” on an ec2 instance?

I'd like to use a chef-shell session on an aws opsworks ec2 server so I can test some environment and instance specific code I'd like to include in a custom recipe. For example, I'd like to see the ...
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20 views

Reach non existing AWS VPC subnet from IPSec tunnel

So here is my setup: VPC: 172.16.0.0/16 Subnet 1: 172.16.1.0/24 openvpn server: eth0: 172.16.1.10 tun0: 172.17.0.1 ovpn client 1: 172.17.0.6 ovpn client 2: 172.17.0.10 IPSec VPN is using ...
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1answer
57 views

EC2 Break even point analysis [duplicate]

I'm doing capacity planning for my DR site and i'm trying to understand break-even point for Light/Medium/Heavy reserved instances vs the Ondemand. I have plotted my values on a graph as shown in the ...
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2answers
59 views

Why does postfix on AWS give me “Invalid MAIL FROM address provided”? I have production access

I'm running the postfix mail server on my AWS box. My domain is mydomain.com. I have set up virtual mapping such that emails sent myuser@mydomain.com should be forwarded to target-user@gmail.com.com. ...
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0answers
16 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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1answer
49 views

New domain on aws elastic beanstalk

I have a nodejs app running on elastic beanstalk. I have a domain registered through GoDaddy and a cname that points to myapp.elasticbeanstalk.com. Can I point my domain to aws nameservers, instead ...