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 auto-scaling: Why do we have 'desired capacity' value at start?

Assume we've started Auto Scaling Group. Min=1 (we want to keep it as cheap as possible) max=X. From common sense we may think that the desired capacity should be calculated, based on a load level ...
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29 views

Custom AMI fo AWSr Opsworks fails setup phase but logs seem clean?

So I've followed through this userguide for creating an AMI from an EBS backed Opsworks instance and it all seemed to go smoothly until I attempted to boot an instance in Opsworks from the new AMI. ...
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1answer
83 views

AWS Elastick Beanstalk + Node JS + HTTPS = Connection Refused

I have a node js app deployed on AWS, using Elastic Beanstalk with a single instance. It works well with HTTP but I am having trouble setting up the HTTPS access. I created my certificate and ...
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1answer
50 views

CloudFront Distribution with ELB origin HTTP 502 (Bad Gateway)

I have a CloudFront Distribution connected with a custom origin ELB (with EC2 instance). When executing a request curl https://xxx.cloudfront.net/atlassian-connect.json a HTTP/1.1 502 Bad Gateway ...
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1answer
24 views

AWS - Setup elastic beanstalk RDS with an old snapshot

While setting up an elastic beanstalk environment in AWS, it is possible to start it with an RDS instance, so RDS configurations will be present in the elastic beanstalk's config panel. While setting ...
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14 views

Port forward on NAT in AWS

I have a AWS environment, it has a 1 VPC, 1 public subnet, 1 private subnet, In pubiic subnet, it has a NAT instance, In private subnet, it has a redhat server, this redhat server installed 2 web ...
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61 views

AWS hosted website: Connection Reset & Connection Timed Out Errors

I am facing an issue on my website since the last one month. There are intermittent 'Connection Reset/Connection Timed Out' errors. Screenshot: Sometimes the website works fine, most of the other ...
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24 views

gcc is unable to create an executable file, compiling ffmpeg as static binary

I'm compiling ffmpeg with this script that I customised in a fresh aws instance amzn-ami-hvm-2015.09.1.x86_64-gp2 Everything works fine, ffmpeg 3.0 with all the codecs I need. The question is: What ...
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1answer
32 views

Add new email user in Dovecot

I installed Dovecot 2.2.10 & Roundcube in Amazon Linux (apparently it's a CentOS variant). If I want to add a new mailbox (e.g. info@mydomain.com) to IMAP, how do I add this mailbox? I read from ...
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28 views

AWS private hosted zone setup

I'm trying to set up a pair of VPC peers on Amazon. One of the VPCs has been in use for some time, and the other is a new VPC I've just set up. As part of this effort, I've associated an existing ...
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1answer
31 views

VPC internal routing

I have two subnets on my VPC, each of them in different AZ. The subnet S1 is public and the subnet S2 is private. I implemented two EC2 instances, each of them on their own subnet. / AZ1 ====>...
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21 views

Asterisk automatic installation

I recently started a project which I need to automate the installation of Asterisk servers for my customers in AWS infrastructure. Customers already own AWS infrastructure. I was thinking the ...
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29 views

Is not authorized to perform an operation while I have the full access of an aws service

I have created a simple nodejs script to handle the files in S3, and I want it to be executed on lambda. My admin has added me in IAM with full access to lambda and S3. However, when I select the "S3 ...
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17 views

Gathering Performance Metrics (RAM, CPU, etc) AWS & Azure

We're developing a cross cloud plane performance metric harvester, to collect various performance metrics, but the top 3 being RAM usage, CPU Utilization and Disk Utilization. I know CloudWatch will ...
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22 views

Ansible fails on AWS domain name, but not on ip and other domain name

I have a machine which I am trying to ping via ansible to test my connection. Originally we were using the AWS domain name (note, not using the actual addresses): ec2-{ip}.address.compute.amazonaws....
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1answer
36 views

SSH - Permission denied (publickey) - AWS EC2 [closed]

I am using Bitnami for a Ghost blog. Trying to SSH into the server so I can make changes to the theme via text editor (Atom) and I am having issues SSHing into the server. (MacOSX) $ ssh bitnami@ec2-...
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1answer
20 views

Which is more cost effective: Amazon EC2 snapshot or AMI?

I have an EBS based Amazon EC2 instance (m4.xlarge) up and running. This one, say example has been in use for a while and is in a state that we would like to have for all our future instances. Which ...
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1answer
68 views

openvpn send internet traffic to seperate server

Short version: I want my aws ubuntu openvpn server to forward all of the clients internet traffic to another server to instead of sending it out directly itself. Long version: I'm setting up an ...
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1answer
52 views

RDS Performance slow compared to local mysql install

I have a RDS server (rd3.medium) on AWS that is running basic configuration. I'm trying to run this query, which runs in a few milliseconds on my local computer, as well as a basic web server where I ...
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2answers
39 views

How to convert a unencrypted EBS to be encrypted

I have a number of older EBS volumes that are not encrypted. In satisfying new corporate security measures, all data needs to be "encrypted at rest" so I need to convert all of the volumes to be ...
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1answer
30 views

How do I configure full-text InnoDb functionality in MariaDB on AWS RDS?

I'm in the process of moving to MariaDB on RDS. My tables are up and running and everything looks good, but given that I'm on MariaDB 10.0.24, I'm considering switching a couple of my MyISAM tables ...
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1answer
45 views

is it safe to create a snapshot of a volume of a running ec2 instance

I'm running a MongoDB Cluster on 3 Instances on AWS Each instance has 2 EBS attached to it - / [8GB] - /data [50GB] To backup a cluster MongoDB recommends to create a snapshot of the /data driver ...
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19 views

AWS VPC equivalent to CARP across multiple AZs

I'm presently trying to setup a HA MySQL environment within an AWS VPC. The basic setup will involve having a MySQL server in each of the availability zones, with one acting as master and the other ...
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1answer
21 views

Changing file permissions on AWS Elastic beanstalk environment

I have an AWS worker tier environment and I want to change file permissions so i can write logs to file. I have tried doing this in eb extensions .config file but cannot get it to work. If the ...
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1answer
12 views

mod_xsendfile on AWS Elastic Beanstalk

I realize there's no yum package for mod_xsendfile (which is a huge bummer), so I'm wondering if it's at all possible to add it via an .ebextensions config given that it needs to be downloaded and ...
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30 views

Network timeout errors with Amazon EC2 instance after first 10 minutes?

I create a new instance. Happens for both Amazon Linux or Ubuntu instances. I didn't try a windows instance. Sometimes, I can log in once via ssh(putty). I do some cd .. and ls commands but that's it....
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1answer
62 views

AWS RDS Postgres performance issue

We are using rds(postgres) with instance type as db.m4.2xlarge. Usually most of the time number of connections are 8-10. But on some occasion as the number of connections increases to 100-200. DB ...
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29 views

Elastic Beanstalk and Worker Tier? (PHP)

I'm trying to setup my app that's hosted on EB with a worker that will run some basic cron jobs to feed an RDS database with data that the app consumes. I deployed this cron.yamlat first: version: 1 ...
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1answer
31 views

AWS EC2 Describe Instances - Filtering by Multiple EC2 Tags?

I'm attempting to dynamically create a hosts file mapping with all my ec2 instance private ip's, to use as the /etc/hosts on my ec2 remote ssh server. I have instances tagged with their normal "Name" ...
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1answer
30 views

Updating AWS CLI on Ubuntu 14.04

I installed awscli on my EC2 instance using apt-get install. The version is still aws-cli/1.2.9 and no longer updates if I use apt-get upgrade awscli. The latest release from what I Googled is 1.10....
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65 views

Custom file/folder permissions with S3FS?

I have setup an SFTP server using OpenSSH. The home directory for users is /sftp/%user. I'm mounting an S3 bucket at /sftp using S3FS. The problem is that S3FS cascades user permissions down through ...
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25 views

Root user permission issues with SFTP and S3FS on Amazon EC2

I have setup an SFTP server using OpenSSH. The home directory for users is /sftp/%user. I'm mounting an S3 bucket at /sftp using S3FS. The problem is that S3FS cascades user permissions down through ...
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28 views

Open ports for Passive FTPS on Amazon EC2?

I have installed ProFTPd on an Amazon EC2 running Amazon Linux. I have enabled SSL (FTPS) on for ProFTPd and set passive ports in proftpd.conf: port 21 <IfModule mod_tls....
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1answer
44 views

Changing /etc/passwd in SSH User

I've got an Amazon EC2 instance running. It's an Ubuntu 14.04. I connect using Putty SSH. I use the key/certificates I got when I created the instance to authenticate my connection. This is all done ...
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1answer
16 views

How do I find out what AWS resource(s) is using a specific security group?

I just reinstated an old AWS account and I'm looking to delete all the security groups and start fresh. I don't have any EC2 instances and I deleted the VPC as well and I'm still left with one ...
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1answer
46 views

Amazon EC2 Public IP vs. Public DNS

We have an EC2 running at Amazon. It has a Public IP and Public DNS. We use the Public IP in our domain records by creating an A record for www.example.com. Then the site becomes accessible. If we ...
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3answers
65 views

Should I use a single SSL certificate for example.com and www.example.com?

I have a website (hosted by Amazon S3) which redirects example.com to www.example.com. I am setting up an Amazon CloudFront distribution for this website, and would like the same redirection to work ...
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17 views

Trying to upload VM (Ubuntu Server) to AWS EC2. ERROR: image not found

I have followed all the steps in AWS's documentation to the letter, but am getting this "ERROR: image not found" when I try to upload via CLI (I'm on Mac OS X Mavericks in the terminal). I exported ...
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1answer
21 views

AWS RDS host instance creation fails: “hardware error”

I'm trying to create a MySQL RDS host instance on AWS (via Ansible) and getting the following error: The database instance has been put into STORAGE_FAILURE due to a hardware failure It happens ...
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13 views

Accessing large app files using Elastic Beanstalk and Flask?

I'm deploying a flask app through AWS Elastic Beanstalk, and when I try and push my app for deployment, i get an error that the contents are too big. Apparently, there is a hard maximum upload of 512 ...
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3answers
53 views

Verifying the reason why people say it's not a good practice to let an app connect to your db directly

I'm working with postgre (AWS RDS) for my db and using node (AWS EC2) for server side. I'm just starting out so I don't have much context. I always used other third party software like Parse for DB so ...
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2answers
43 views

Point domain name registered with Godaddy and administered on XYZ server to AWS

There is domain e.g example.com registered with Godaddy, hosted on SomeHosting service (The server which serves the contents is here). This same hosting company provides the DNS Zone editor (cPanel) ...
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31 views

How to overload package_name in Chef cookbook using AWS custom JSON?

I never worked with Chef and OpsWorks before. What I'm doing, I'm trying to overwrite some Chef conf to use modern PHP 5.6. I wrote a JSON for Layer PHP App Server { "mod_php5_apache2": { "...
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45 views

Configure SFTP with OpenSSH and an AWS S3 Bucket mounted via S3FS on Amazon EC2

How do I allow multiple SFTP Users with S3FS and OpenSSH? Everything works, except SFTP Users don't have permission to write to their Chrooted Home Directory: remote open("/some_file"): Permission ...
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2answers
52 views

Way to limit Amazon ELB to a fixed set of IP addresses?

We would like to use Amazon Elastic Load Balancing, however, our application requires a fixed set of IP addresses as our clients need to know a finite list of possible destinations for specific ...
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1answer
35 views

AWS CLI describe volume attachment information

In AWS CLI I am trying to get the ec2 volume "Attachment Information" I see how I can find the Instance information, but this does not include the Attachment Information. The information I am looking ...