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

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AWS Autoscale termination policies

I'm attempting to add an existing EC2 instance to an autoscale group I created as the initial instance. I've set the termination policy to 'NewestInstance' and if I understand correctly, when a new ...
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87 views

Ejabberd Clustering on EC2

I am trying to implement ejabberd clustering on Amazon EC2 instances, I have installed ejabberd and it is working fine on both instances, I can connect and send message, my first server is a master ...
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35 views

Amazon EC2 + SSL Godaddy are not routing properly in HTTPS

I have an Amazon EC2 + SSL just installed on GoDaddy. I have successfully managed to install it and get the green https on the main domain https://www.example.com however it doesn't any ...
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1k views

ssh_exchange_identification: read: Connection refused

Everytime I'm trying to SSH into my Amazon EC2 Server i get an Error below: Zoc6 Error: ssh_exchange_identification: read: Connection refused Tried: Terminal (mac) - Failed Reinstall Zoc and ...
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68 views

How to configure Exchange 2007 to control SMTP relay access from Amazon AWS Elastic Beanstalk

For an application deployed to Tomcat on Amazon AWS Elastic Beanstalk (Eb), where each new app deployment can change the app server IP address, what is the best way to configure Exchange 2007 to ...
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105 views

Amazon EC2 Page Not Found 404

I am new to amazon EC2. I have t1.micro instance running windows Elastic IP is assigned My Website is hosted on IIS default site port 80 Security group setting is as below Ports Protocol Source ...
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41 views

Large volume of VolumeWriteOperations on Amazon Linux EC2 Instance

I have been using a EC2 Amazon linux micro instance as a development/small host server for the past 3 months. I host a couple of domains for me and a friend. I installed the first month only my main ...
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76 views

The device 'xvdg' is used in more than block-device mapping

Using Amazon's dotnet API, I am trying to launch an instance using the i2.8xlarge type using an AMI which has one EBS store already assigned to it. I map the 8 SSDs using xvd[b-i] -> ...
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130 views

The `iostat` Command Describes a Non-Existent Block Device

The System An instance running on Amazon EC2 It is an m1.large EC2 instance The instance is running Ubuntu Server 12.04 LTS Here's What Happens... I wanted to measure disk IOPS on my system, and ...
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28 views

apt/maven/npm checksum failure on amazon ec2

I'm recently encountering multiple download checksum failures when booting ec2 machine. This manifests itself with sporadic failures of apt, maven and npm installs. In one case that the pom checksum ...
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35 views

Copying over public keys within private network

As part of a cloud init script for an EC2 instance, I want to generate a private & public key for a user created on the new instance and then copy the public key over to another server in the same ...
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123 views

https outbound connections work before creating AMI, but not on new instance using that AMI

On Amazon Web Services Launch an EC2 instance using Amazon Linux AMI 2014.03.1 - ami-fb8e9292 (64-bit) Run my ansible script to configure the server for baking into an AMI Run some Ruby that ...
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189 views

Full SSL site: SSL Negotiation Time and Cipher Suite in Nginx

Here is my Waterfall http://www.webpagetest.org/result/140417_42_H0D/1/details/ It is taking too much time in SSL negotiations. I tried to apply following article: ...
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764 views

s3cmd 403 Access Denied error on put but not ls

I can access s3 using s3cmd on an ec2 instance to do s3cmd ls s3://myc bucketname but not using 'put' to add a file. It gives a 403 access denied error. I am using IAM and have group setup to access ...
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312 views

cURL NSS error -12286 SSL_ERROR_NO_CYPHER_OVERLAP

Using cURL 7.36.0 (x86_64-redhat-linux-gnu) on EC2 Amazon Linux, I can't connect to certain websites (not all) using HTTPS and receive the above error. From researching the issue I have learned that ...
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86 views

Would PHP5-FPM be faster with more cores?

I'm a bit new with nginx + php5-fpm. I read that with nginx there's an advantage to have multiple cores (CPU) with the use of worker_processes. Is php5-fpm also faster if it uses more cores? Reason: ...
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226 views

FTP on Amazon EC2 with Zpanel

I'm trying to configure my server using Amazon EC2. I installed the zPanel and he's working well.. But the ftp isn't working until now. I installed the vsftpd service and configured some things. See ...
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142 views

starcluster ec2 403 forbidden

I am trying to setup a Hadoop cluster using MIT's starcluster tool, I have modified the configuration file with my AWS information, but am getting the following error message: !!! ERROR - ...
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326 views

AWS Cloudformation Bootstraping with S3 File and Autoscaling

I just started trying to use CloudFormation and am using it for some autoscaling. I am new to all this so bare with me. I am using the sample template for autoscaling found here. ...
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36 views

deploy compiled .Net app to EC2 IIS VM from non-Windows machine?

I've got both the source and a compiled version of a .Net application from a partner my organisation is working with. I've also fired up a new Amazon EC2 instance using an AMI from Microsoft. ...
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192 views

Auto-login to aws ec2 instance running windows on startup

I'm trying to run a service on startup of a windows instance on amazon. So far it is a manual process where I have to start rdp in, log in and then start the process. I'd like it when the instance ...
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649 views

Does AWS EC2 have limits on concurrent connections?

No matter what I do to my EC2 instance, any size and with apache/ubuntu. I can't get it to go over 1400 concurrent connections. Have set the prefork settings high, set ulimit to 1000000 Is this ...
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131 views

Network drops SSH connection to EC2 only

I have an EC2 instance (in eu-west-1) which I've been SSH'ing into for almost a year, but recently the connection simply hangs (i.e. becomes fully unresponsive) when an executed command returns more ...
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241 views

My Bitnami Tomcat Stack (on EC2 AWS) is generating DoS attack

I have a very small java web app that is deployed on a Bitnami Tomcat Stack on AWS. We are using this app in the company with only 5-10 user base daily, and generating only below 100MB of traffic per ...
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25 views

hosting a service locally and on amazon ec2 with auto-routing

I have a java REST service which is very CPU intensive. The service serves a website. I would like to host the service on my local machine which has 8 core 16GB RAM, SSD as the main storage and high ...
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176 views

connect to windows 2012 server without rdp

I've got an fairly stock Windows 2012 EC2 server running on AWS which I've been able to RDP into until after the last reboot. Are there any other services like [Telnet, SSH etc] that run by default ...
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57 views

Point existing EBS to new EC2 instance

I have an EC2 instance running Ubuntu 11.04 with EBS attached, now I am planning to move to Amazon Linux AMI 2013.09.1 Can I just launch new instance and map existing EBS is that enough or is there ...
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132 views

Amazon EC2 instance “sudo reboot” not coming back up

I did a "sudo reboot" on my EC2 CentOS and now my instance is not coming back up! It is a web server and I know there is nothing wrong with my configs to make it not come back up! The only thing I did ...
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53 views

Amazon EC2 instance “sudo reboot” not coming back up

I did a "sudo reboot" on my EC2 CentOS and now my instance is not coming back up! Did I lose everything? How can I bring it back up? Any help is greatly appreciated.
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73 views

Amazon ELB timeout on multiple instances but not on single instance

I have an Amazon load balancer and one EC2 web instance behind it, and websites work fine, all my websites do not require long processing time, they are just some basic PHP sites, then I spun up ...
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782 views

Gmail rejecting IMAP calls from AWS EC2 hosted James server

I have James server (SMTP server) hosted on AWS EC2. I have small application running on this AWS instance which fetches certain emails from my Gmail account. Gmail rejecting any IMAP request from my ...
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165 views

Amazon EC2 Nat Instance - goes out but not back in

I've followed Amazon's steps and list what I've done. I've created 6 subnets (4 private SN1: 10.50.1.0/24, SN2: 10.50.2.0/24, SN3: 10.50.3.0/24, SN4: 10.50.4.0/24) and 2 public (SN5: 10.50.101.0/24 ...
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76 views

Issue with Setting up Amazon SES using VPS/Ec2

So, I currently have a VPS and a EC2 instance. The VPS is a completely separate company that hosts my domain, email, etc. But, I recently pointed these to my Ec2 instance as: MX Record: The ...
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58 views

Unable to stop instance in Amazon EC2

I am developing a java web application and deploying to Amazon EC2. I have deployed with default micro small ec-2 server. Now i have to move this ec-2 server from small to large server. I have gone ...
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242 views

Can I forward my godaddy domain to Load Balancer DNS' name?

My domain is hosted on GoDaddy. Is it possible to forward my domain to LoadBalancer's DNS? Example steps: Add Domain Forwarding on GoDaddy Forward to: ...
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190 views

setting haproxy servers to use AWS public name server

I'm trying to configure haproxy to cluster a couple of mysql servers (galera cluster), but it seems that haproxy does not accept dns name in the server directive. e.g. config listen mysql ...
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27 views

How to install latest version of ec2-api-tools?

Downloading ec2-api-tools from Amazon gives version 1.6.7.2. Following these directions to get Amazon's PPA shows version 1.5.0.0, which is so old you can't use the access key/secret access key ...
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57 views

securing ec2 interinstance communication with ssh

I would like to be able to have instances from one of my ec2 clusters to talk to instances in another ec2 cluster in real time (not via a rdbms or messaging queue). I'm thinking the best way to do ...
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129 views

Copy files from EC2 instance to remote dedicated server

I'm having trouble copying several very large sql dumps via SSH I used this command: /usr/bin/scp -P 2382 /ec2/path/file.sql root@$123.45.67.890:/remote/file/path/ And also /usr/bin/scp -P 2382 -i ...
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171 views

configure heartbeat HA on Amazon VPC instance

I'm trying to implement HA with Heartbeat (and monit) on two Amazon VPC instances. I read many articles about it and I tried all possible options I can think of. few articles I read (don't work for ...
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274 views

SSH won't work after associating Elastic IP on Amazon Ubuntu 12.04 32 bit micro instance

This morning my EC2 and elastic IP were working fine. All of a sudden, all hell broke loose and my EC2 won't access through my elastic IP anymore. When I did a ssh -vvv I get debug1: Connecting ...
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218 views

nagios volatile service and system time change warning

I have a nagios service with volatile option on (executes event handler every time it encounters a non-ok hard state). Problem is that if the event handler executes for 2-3 times (that is the expected ...
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178 views

Replacing my ec2 root esb volume resulting in no SSH connectivity

I have 2 Amazon EC2 on demand instances running. Instance A - micro - Root Device = EBS backed Instance B - large - Root Device = EBS backed Both instance are accesible using SSH. Both instances ...
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279 views

Load balanced solution on EC2 with IIS app servers behind single IP address

I need to create an auto scaling, load balanced solution on EC2 behind a single IP address with IIS 7.5 as an app server(s). I've got a pretty good working setup with haproxy (as a reverse proxy) ...
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54 views

Testing web box behind a https load balance

I have a 3-tier system setup 2 Load balancers n amount of app servers database boxes / slave boxes. I have SSL setup on the load balancers. Normally when I test a specific server I change my host ...
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78 views

Route HTTP requests to subdirectory to another server

I have a situation where there is a server running IIS7 - it contains a mix of .ASP, .NET and PHP solutions in separate directories. I'd like to install a copy of Wordpress at: ...
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107 views

Cannot see an EC2 VPN server from another EC2 instance

I'm using openVPN to connect to one EC2 instance from another. The client cannot see the server, however, despite that servers outside of AWS can see the server and successfully negotiate with it. ...
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77 views

Multiple domains going to one IP on an IP based virtual host

We just tried to do a launch and when we started changing the "a records" for multiple domains to point to the new IP. The server had one domain pointing to the IP for days and it was working fine ...
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1k views

ssh with cygwin for amazon ec2 gives permission denied (publickey)

I looked at all other posts that are similar. I'm probably missing something simple since I'm relatively new to this. I have an Amazon-EC2 instance with Amazon Linux. I'm using Cygwin on Windows 7. ...
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98 views

Cannot access data from hbase with amazone ec2

I have a single node Hadoop machine in which HBase is running in the Amazon EC2 instance. Due to some reason the server got restarted. So i need to start Hadoop and Hbase again. Then it's working ...