Amazon Elastic Compute Cloud (EC2) provides self-service, on-demand, pay-for-what-you-use computing infrastructure resources.

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2
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3k views

EC2 Linux AMI with ffmpeg (no yasm?)

I'm running a Basic 64-bit Amazon Linux AMI 2011.09 (AMI Id: ami-953b06e1) and I want to install ffmpeg into it so I can use it convert video. These are the commands I run after firing up a new ...
0
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1answer
35 views

In OpenStack, what is the equivalent an Amazon AWS snapshot?

I'm an Amazon Web Services specialist. (AWS = Amazon's cloud computing platform.) I understand the workflow for taking backups in AWS. What's the equivalent in OpenStack, and is it as robust? Here is ...
0
votes
1answer
60 views

Access s3 bucket from Ec2 service

I'm new to AWS and was looking for a bucket policy to enable my ec2 servers access to the S3 buckets on the same account. I tried using this policy which enables the account: { "Sid": ...
5
votes
3answers
12k views

Could not call sign: Could not find certificate request for puppet

I'm getting started with puppet on ec2 using the following guide. https://help.ubuntu.com/12.04/serverguide/puppet.html In the very last step when I try to sign the puppet client from the puppet ...
0
votes
0answers
39 views

Is it Possible to Configure Receive-Side Scaling on an EC2 Instance Running Windows Server 2012 R2

Currently, I am experiencing some problems on getting a server to run efficiently on an EC2 instance. On my local machine everything runs as expected, but on AWS the servers experience some latency, ...
1
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2answers
1k views

Unexpected behaviour when dynamically add node in HAproxy server

I wanted to use HAProxy for my web app for load balancing purpose. I am trying to add a new rabbitmq node dynamically in HAProxy server using command : haproxy -p /var/run/haproxy.pid -sf $(cat ...
0
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0answers
23 views

Amazon EC2 openVPN instance connection issues

Currently trying to connect to an openVPN server set up on an EC2 instance that is also running a web application. My client establishes a connection with the server and I can ping the gateway ...
2
votes
1answer
70 views

Laravel EC2 Nginx PHP 7 scripts downloaded instead of executed

The php scripts are downloaded on Amazon ec2 server with nginx installed instead of being executed. This is my nginx conf file: user nginx; worker_processes auto; error_log /var/log/nginx/error.log; ...
0
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0answers
29 views

ERR_CONNECTION_REFUSED Amazon EC2 instance with node.js backend

I have a website running in Elatic Beanstalk. In default-environment url, it is working totally fine. But, when I try to access it with my domain from GoDaddy it is showing ERR_CONNECTION_REFUSED. I ...
5
votes
5answers
10k views

Override DHCP hostname on RHEL5/CentOS/Amazon Linux

I'm running Amazon Linux (based on RHEL5) on EC2. I have my own domain name pointing to the instance's elastic IP. Amazon auto-assigns the instance a generic (and not visible on the Internet) ...
0
votes
1answer
1k views

How to use sendmail on amazon ec2 linux server

I am using amazon Ec2 instance with centos 6.4. I tried this and i got error echo "hello" | sendmail turnip21@gmail.com sendmail: Cannot open mail:25 How can i fix that error Some more info $ ls ...
1
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1answer
81 views

File downloads dry out?

Bare with me as I'm not even sure what to search for exactly. So couple of our users reported problems downloading zip files from our server. Downloads start but they dry out son. They basically stop ...
24
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2answers
9k views

What is the difference between PV and HVM virtualization types in ec2?

AWS EC2 offers two types of virtualization of Ubuntu Linux EC2 machines - PV and HVM. PV: HVM: What is the difference between these types?
0
votes
1answer
29 views

How to avoid duplicate scale-in with step scaling policy?

With EC2 auto scaling, when using a step scaling policy (as opposed to a simple scaling policy) that scales in due to an alarm that is based on an AWS/EC2 metric (e.g. CPUUtilization <= 30%) with ...
-4
votes
1answer
32 views

AWS security concerns

I need to have a freelancer I hired to access an aws ec2 instance to set up an env on the host. What security I need to set up on that host and aws console so that he will not destroy my system and ...
0
votes
2answers
33 views

Does upgrading a server improve performance on low traffic site?

I wish to use migrate to a Amazon's AWS EC2 instance for a basic Wordpress site running woocommerce. However, I am torn between t2 and m3 instances: https://aws.amazon.com/ec2/instance-types/ My ...
1
vote
1answer
62 views

Can't send mail from amazon ec2 instance

I am using an Amazon EC2 instance for two projects which have their own domain name. I need using mail services so I created two email accounts on Zoho and I have been able to receive emails from my ...
0
votes
0answers
26 views

Webserver always too slow in AWS EC2 instance

I started a simple python server on port 4444 in one of my ec2 instance.and tried to access it by curl. It takes more than 5 seconds for server to respond. Below is the tcpdump output on port 4444 ...
0
votes
3answers
40 views

How to add IP to EC2 firewall

We run a number of different servers that are hosted in a local data centre however our Dev server is hosted on AWS and I'm having trouble accessing it. The EC2 server is running a LAMP stack, I can ...
-1
votes
3answers
44 views

Permission denied (publickey) for my AWS EC2 instance from another computer

I have a public key file say dummy.pem and i copied this to another computer from where i need to access my EC2 instance. But it says @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @ ...
1
vote
1answer
23 views

Why is there a delay with executing queries on my RDS instance

I have an application running on an ec2 m3 instance and mysql running on an dRDS instance. They're both in the same, region, VPC hwoever they appear to be in different availability Zones. The issue ...
2
votes
1answer
66 views

Why does this AWS instance provisioned by Vagrant terminate as soon as it comes up?

My Vagrant provisioned AWS instance will terminate as soon as it comes up. Here's my config file: config.vm.box = "aws-dummy" config.vm.box_url = ...
-1
votes
1answer
61 views

How can I easily backup multiple folders on EC2 to S3

I move dockers around a lot on EC2 instances. Each docker has a specific folder on the host where it stores it's data. I want to create a single backup script that will look for any of a list of ...
1
vote
4answers
142 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 ...
0
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1answer
68 views

how to install bittorrent sync on amazon ec2 using nginx

I have been trying to install and configure bittorrent sync on ec2 instance running ubuntu 14.04 and nginx. I have followed this article ...
0
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0answers
26 views

Can't connect Cisco 2621 to AWS EC2 Openswan site to site vpn

I am configuring Site-to-Site vpn between my home Cisco 2621 router and Amazon EC2 instance running openswan. I keep on getting the following message on the openswan server: " NO_PROPOSAL_CHOSEN " My ...
0
votes
1answer
31 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 ...
1
vote
1answer
48 views

auto instance type changer for amazon ec2?

Basically, I'd like to take large and x-large instances on EC2 and have them scale down to smalls during the late hours and on weekends automatically. A few minute downtime wi. I think this would ...
0
votes
2answers
781 views

Bringing up EC2 instances with vagrant-aws errors

I'm trying to automate acceptance testing by using vagrant to bring up machines with amazon's EC2 service, so I added the dummy box and copied the Vagrantfile off Github, but when I try to run vagrant ...
0
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2answers
94 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 ...
1
vote
2answers
2k views

How to reduce AWS EBS root volume size?

Enlarging an EC2 instance is easy like a breath (for instance, create an AMI, launch an instance from it and then change the storage size). But reducing it becomes more difficult. I’d like to reduce ...
0
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0answers
10 views

Linux “free” command gives different answer than AWS Memory Metric [duplicate]

When I run a "free -om" on our Linux server (hosted on Amazon), the total available is 7,483 MB and the used is 7,125 MB for a 95% usage. But the Amazon MemoryUtilization statistic shows 73%. Why the ...
0
votes
1answer
36 views

Handling highly CPU intensive process on server

I have a Windows server machine on Amazon EC2 (m4.2xlarge) which handles web requests, does some processing using an app A and returns the results. Problem is, this app A is highly CPU intensive and ...
2
votes
2answers
77 views

EC2 Persistent Spot Request keeps reviving

Earlier today I created a AWS EC2 Spot Request and inadvertently made it a persistent Spot Request. Since then I didn't need the machine and have been trying various ways of cancelling my Spot ...
0
votes
1answer
32 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 ...
1
vote
0answers
28 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: ...
1
vote
1answer
43 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 ...
12
votes
2answers
33k views

How do I set the DNS server on GoDaddy with AWS? [closed]

I have a domain name on GoDaddy and I also have an Amazon Web Services account. I have an EC2 instance and I want to change the DNS nameserver on the GoDaddy control panel to AWS and I have no idea ...
-2
votes
1answer
34 views

How to set a timezone of an E2 instance?

I have a Ubuntu server on Amazon AWS EC2. When I log in there, I see there the following system information: System information as of Mon Apr 11 06:42:30 UTC 2016 I am currently in LA, CA - so ...
0
votes
1answer
69 views

Is there a performance impact to using Round Robin DNS with many offline endpoints?

I'm currently running a MeteorJS application on Amazon. MeteorJS has a plugin that allows each server to act as a load balancer or a worker for said load balancers. I can spin up any number of workers ...
0
votes
2answers
69 views

Problems on migrating Parse.com app to AWS EC2 Ubuntu

I have an EC2 machine with Ubuntu installed on it. On the machine, I have installed Node.js, MongoDB, and Github version of Parse Server. I have created a database called euro. In this database, I've ...
1
vote
1answer
2k views

Open ports between Elastic Beanstalk and one EC2 instance on AWS

I currently have the following setup: An API (Node.JS) running using Elastic Beanstalk, which is currently only running one EC2 instance A MongoDB instance running on a seperate EC2 instance ...
0
votes
0answers
27 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 ...
0
votes
0answers
47 views

What could cause system failure in sysctl and how to test values safely?

On AWS ec2, ubuntu t2.micro. I tried implement suggested improvements in sysctl listed here: https://gist.github.com/devster31/5900ab23b50a5a57f025#file-sysctl-conf and also added from other ...
0
votes
0answers
25 views

open_file_cache causes slow response every x times

I'm testing a server on t2.micro ec2 I set this in nginx.conf open_file_cache max=2000 inactive=20s; open_file_cache_valid 60s; open_file_cache_min_uses 5; ...
4
votes
1answer
2k views

Enable outbound active ftp for Amazon EC2

I'm trying to FTP out using a php script on EC2. When using passive mode it works great but it fails in active mode. I've tried opening high ports in EC2 security group but it's still not working. ...
-1
votes
0answers
14 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 ...
0
votes
1answer
54 views

I can not attach additional network interface to an existing amazon EC2 instance

I need three network interfaces in one instance for my work.By default there is one eth0 but I want to add eth1 and eth2 in an instance. I created network interfaces using the same security rule that ...
0
votes
1answer
20 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 ...
3
votes
1answer
3k views

AWS ELB session stickiness issue when multiple AWSELB cookies exist in a single request

I have two web apps - App-A & App-B - running in 2 EC2 instances (both web apps are running in both instances) fronted with an AWS ELB. The session stickiness is enabled using 'Application ...