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

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EC2: Persistent IP/Host for internal communication

I have a few servers on EC2 which intercommunicate using a RESTful interface. Currently, the addresses are saved in a configuration file which lists explicit IPs. This is prone to errors, because it ...
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1answer
154 views

FTP via vsftpd not working on Amazon EC2 Ubuntu 14.04

I'm trying to get FTP access to my EC2 instance. I've run through a few guides and still nothing is allowing me to gain access over port 21. I've opened ports 20, 21, 22, 80, 1024-1028, 50000 - 51000 ...
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2answers
42 views

Forward and delete all e-mails using sendmail

I'm using Amazon EC2 instances with a preinstalled sendmail for some application testing. As this is a testing system which might send some e-mail I want to delete and in the same moment forward all ...
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29 views

Best practice for web applications and windows services remote configuration in AWS

we have a distributed system that contains windows services and web applications (.NET and Java based). Currently, most of the initial configuration for these applications are taken from various ...
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35 views

Can I use ZFS to replicate (fast) EC2 instance store to (slow) EBS store?

I love the idea of using SSD EBS instance stores as L2ARC and ZIL for a zpool backed by EBS. Going further (and into more dangerous territory), could I instead create a zpool mirror with the 2 ...
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1answer
30 views

EC2 : How to assign multiple elastic IPs to a single network interface via SDK

Would anyone know how to associate multiple Elastic IPs to a single instance via the Amazon SDK ? In Ruby, I've tried to use both the aws-sdk and fog gems, which work fine for a single address, but ...
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20 views

Replace existing DataStax OpsCenter Installation in EC2

I'm using DataStax OpsCenter v3.2 installed on an EC2 instance. AWS is going to retire the instance, so I set up a new instance, installed OpsCenter, and tried to connect to my cluster. I got the ...
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2answers
50 views

Do EC2 instances in AWS get deleted after they are terminated?

I am new to this. I made an instance and I installed some things on it (git, heroku), and after my assignment was done I terminated it. One day later I log in, and that instance is gone. Do I have to ...
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23 views

Postfix+DKIM using Amazon's second private IP address

I use Amazon EC2 with 2 private IPs. I have 2 postfix instances (using multi-instance builtin support) with opendkim. Each instance works when I send email (over telnet) using the primary private IP ...
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2answers
36 views

Why can I not connect to jetty webserver on Ubuntu within AWS EC2 instance

Unable to connect from my webbrowser to my Jetty Server running on Ubuntu Linux SMP in Amazon Webservices EC2. I can connect using localhost whilst logged in from the machine itself i.e curl ...
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19 views

Strange network issue when moving EC2 elastic IP

Recently we had an issue with a Windows 2012 EC2 server, which meant that we had to move across to another instance. We duplicated the instance, ran some tests and moved over the elastic IP. Should ...
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1answer
38 views

With AWS how do I make my additional EBS volume visible from my ubuntu linux installation

With Amazon Web Services I set up a micro instance of Ubuntu linux, but it only comes with 8GB of space and that was not enough. So Ive created a 20GB EBS Volume and attached it to my EC2 instance but ...
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1answer
68 views

How to best backup AWS-hosted systems? [closed]

We are deploying a number of servers at AWS and need to work-out a general-purpose backup strategy. The requirements are: Retain the ability to recover full systems or individual files or ...
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1answer
30 views

Connect to Amazon EC2 not using SSH?

Is it possible to connect to EC2 instance directly? This is possible on Rackspace using a java servlet inside your browser where you get a "remote monitor window" (not SSH but a local login screen). I ...
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1answer
35 views

Amazon Elastic IPs: SSH timeout

Amazon EC2 - what I did: I created a free Ubuntu instance. I attached a new private IP address under Network Interfaces. I created 2 elastic IPs, attached to the default and new private IP address. ...
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1answer
60 views

installing phpmyadmin for remote db host

I am having trouble trying to install phpmyadmin. We are using AWS services for our servers. Our mysql db is located in an RDS instance. Now I am trying to install phpmyadmin on an EC2 instance. I ...
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1answer
24 views

Math and iteration of XML data on Amazon EC2

So I set up an EC2 micro instance to play around with and I am running a php page that pulls and iterates some xml data. I don't what is happening here but "somefile_2.mov" is not getting calculated. ...
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1answer
78 views

How do I know if I run on Amazon EC2 windows instance? [duplicate]

I try to figure out whether I run on regular computer or ec2 (from JVM based app). The simple method could be attempt to get instance data, however that means I should wait until timeout, and it does ...
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2answers
69 views

EC2, Ubuntu: Serious time difference between servers

Some of my tests on EC2 servers began failing. When I dug in, the reason was serious time mismatches between my servers: Sun Jun 22 14:43:43 UTC 2014 # Laptop Sun Jun 22 14:46:36 UTC 2014 # Server ...
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24 views

The Tableau server is running on the EC2 instance

I have a Tableau server running on EC2 instance followed steps from this documentation Tableau Server & Amazon AWS - Installation Walkthrough What additional information or what things i require ...
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20 views

how to access Application and Database on AWS as local from other network

Recently I created a micro instance of Amazon EC2 (Windows_Server-2012-R2_RTM-English-64Bit-SQL_2014_RTM_Express-2014.05.20). I configured IIS on AWS and create a database respectively. that is one ...
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31 views

How to determine total size of Amazon EC2 snapshots?

According to this answer, it is not possible to determine the size of an individual Amazon EC2 snapshot, but they do provide "the total usage and cost numbers for all snapshots in the account." Where ...
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1answer
75 views

ec2 upstart, what is the `start on` command to wait for network

This is my first time with upstart and am using EC2. os/upstart = aws base AMI latest version - upstart-0.6.5-13.3.13.amzn1.x86_64 I can not get the following script to launch when waiting for the ...
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1answer
39 views

No primordial pool in 2012R2 on AWS with EBS disks

I'm trying to experiment with storage pools on Amazon's new 2012R2 AMI. I've created several EBS volumes and attached them to the instance. In the Server Manager I brought them online and ...
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14 views

No access or error logging on OpenSuse

I've got an Amazon ec2 instance running OpenSuse and I'm getting a white page of death on some of my php scripts but there's no error log in var/log/apache2. To my surprise, there's also no access ...
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1answer
16 views

Amazon EC2, Edge locations

I have a plan to move my terminal servers to the Amazon cloud. Amazon does not have any trust able zone in Germany and only has some Edge locations which can deliver requested information from the ...
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60 views

How do I install a bitnami LAMP module by SSH command line?

This is a pretty straightforward question that I cannot seem to find an answer for. I already have a running Bitnami LAMP stack on an Amazon EC2 instance. Where do put the installer ...
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1answer
34 views

Suse Desktop on EC2/Azure

I run a Suse Desktop Edition Instance on MS Azure, then installed NoMachine(NX) free ver 4.2.25, finally tried to connect from my local PC(OSX), but failed Actually, I succeeded this with ...
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180 views

High Performance AWS EC2 / RDS + Nginx + PHP-FPM setup

General description of the issue We're currently running an application on a PaaS type solution for PHP. Their solution is based on AWS cloud and due to the fact that their plans don't fit our ...
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32 views

Why did AWS EC2 Ubuntu node get wiped on reboot?

I shelled into a functioning AWS EC2 Ubuntu instance, rebooted, tried to shell back into it, and found that I was presented with a different host certificate. I was able to log in based on the same ...
2
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1answer
108 views

HAProxy/Keepalived vrrp set up in AWS EC2 with EIP (Basic EC2)

I am a newbie to CentOS/Linux/HAProxy/Keepalived, so I have had a lot to learn over the past few days! I have 2 CentOS 6.5 servers in Amazon AWS running on their own EC2 Micro instances. I also have ...
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1answer
28 views

domain user Access permission as local on AWS from another server

I created a free instance on AWS with windows 2012 and MS DB. How can I allow user authentication with my Active Directory on premise (my own server with Windows 2008 and a static IP) on the AWS ...
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3answers
51 views

Install godaddy ssl certificate on amazon ec2

I'm new to setting up ssl certificate and csr, i want to use public ip instead domain name in ssl. i created a csr file using following command and info openssl req -new -newkey rsa:2048 -nodes ...
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28 views

Linux commands are hanging on ec2 instance

We are having a VPC setup for our staging environment. In this we have attached an elastic ip to one instance & rest of the instances are connected through this. Now today when we restarted our ...
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1answer
51 views

Created 100GB ec2 instance, but only shows 10GB?

I just created a new EC2 instance of 100gb with only 1 storage disk. However, my df -h output shows the following : [root@ip-10-252-37-164 ~]# df -h Filesystem Size Used Avail Use% ...
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1answer
51 views

Is there a logical reason why Amazon EC2 won't allow me to specify a port when using GRE?

I want to set up PPTP in EC2 and am configuring a security group. I've already selected the "custom protocol" and am using protocol 47 / GRE. When I select this, the port section is read only. Is ...
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2answers
126 views

Foreman installation on amazon ec2 instance

Hi there and thank you for reading, I am currently in the process of setting up a puppet service for our ec2 instances and decided to give foreman a try (node certificate management and automatic ...
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2answers
80 views

Linux IP Alias not working - Amazon EC2

I can't seem to figure out this IP aliasing on Amazon EC2. I know it should be straight fwd though. In summary I have two questions (my scenario details follows after questions), in priority: How ...
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1answer
112 views

Unable to install Wordpress on Amazon's EC2 instance due to missing php-mbstring

I've created a new instance on Amazon's EC2 and I'm trying in wordpress and it's failing due to php-mbstring: # yum install wordpress Loaded plugins: amazon-id, rhui-lb Resolving Dependencies --> ...
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2answers
50 views

Looking for a way to get team public keys to EC2 instance autonomously

I am administering a single (now) ec2 instance which will provide some tools to our users. I am using Ansible to manage it. I have it set to create users using a mix of a Cron-job and Ansible (by ...
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1answer
62 views

Very High Network out in ec2 instance

I launched an ubuntu-14.04-64bit instance in Amazon EC2 two days back. And I started Tomcat 7.0.54 in that instance and deployed my application war files. It has no other software installed other than ...
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1answer
82 views

HAProxy max out at ~10,700 connections

I am stress testing ejabberd with Tsung. My EC2 instances setup as follows: Tsung : c3.xlarge ejabberd : c3.2xlarge HAProxy : t1.mirco When I let Tsung talk to the ejabberd instance directly, I ...
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52 views

can't start play 2.2 on ec2

I am trying to deploy my project on port 80 by using play start 80 play "start 80" play "start -Dhttp.port=8080" It's giving me this error: org.jboss.netty.channel.ChannelException: Failed to bind ...
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1answer
52 views

How do I generate an IAM policy for making snapshots?

I have volumes mounted on EC2 instances of which I would like to make snapshots. I created a new IAM user with the following policy: { "Statement": [ { "Sid": "...", "Effect": ...
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18 views

Issue while setting up a DSN while creating a linked server

I am trying to set up a linked server to my sql from sql server. However I am encountering problems while setting up the dsn. Reffering this link for help. My MySQL database resides on Amazon ec2 ...
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70 views

Windows Password won't decrypt on AWS EC2 even with the correct private key

I created a new Windows instance on AWS EC2, using a keypair I created by uploading my public key from my local machine. The instance launched fine, but it won't decrypt the password. It reports: ...
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1answer
195 views

Why does my OpenSSH key fingerprint not match the AWS EC2 console keypair fingerprint?

When I import my OpenSSH public key into AWS EC2's keyring the fingerprint that AWS shows doesn't match what I see from: ssh-keygen -l -f my_key It is a different length and has different bytes. ...
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1answer
35 views

Reaching additional network interface in Amazon EC2

I've configured an additional network interface with only private address but i can't reach that server using this newly created address. Here are the steps I've done: created 2 machines: A and B ...
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1answer
18 views

how to list chef nodes that are not pingable - knife

I have bunch of ec2 nodes registered to chef server, more than half of them were terminated earlier. I still see them as nodes under knife node list. How do I delete them that are not pingable? My ...
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2answers
164 views

amazon ec2 ubuntu with gitlab and nginx - cant load?

Ok, so I've spooled up an Amazon EC2 server running Ubuntu, and then followed the instructions below to install GitLab; http://doc.gitlab.com/ce/install/installation.html The only step I've not been ...