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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8
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1answer
2k views

Can I SSH into my Amazon EC2 server instance if I don't have .pem file from when instance was created?

I am working with some Amazon EC2 servers that are up and running, and I need to SSH into the servers. I don't have any keys that were generated when the servers were first set up (someone else did it ...
1
vote
1answer
2k views

VPC public subnet internet access with ELB hooked up

I am attempting to set up a web server (nginx) that needs access to the internet while also being hooked up to an ELB but I am having trouble getting this solution working. Details: 3 public ...
0
votes
2answers
847 views

ec2, ping and security settings

Got a noob question about security settings on AWS ec2 instance. I've set up an instance with Tocat7 ( ami-95da17fc ) and I have a little issue. If I ssh into the instance and do ping -c 2 -p 80 ...
9
votes
4answers
4k views

Use IAM to Allow User to Edit AWS / EC2 Security Groups?

I am trying to grant an IAM group the ability to edit our EC2 Security Groups, but I have been unable to get this working without granting access to everything in EC2. I have tried several versions ...
4
votes
3answers
2k views

Multiple domains on Amazon AWS EC2

I am a bit confused on how I can use Amazon AWS to host multiple websites. I under stand how to host a website on there however I am only allowed up to 5 elastic ip addresses. So how would I host more ...
6
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3answers
4k views

The site is using outdated security settings that may prevent future versions of Chrome from being able to safely access it

We're using an AWS ELB to do SSL termination and are having an issue where Chrome is displaying "https" in red with a strikethrough. It says "The site is using outdated security settings that may ...
0
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1answer
457 views

Deploying a static site on AWS EC2/nginx: what am I doing wrong?

I set up a micro instance (Ubuntu, 32 bit) and assigned an elastic IP (23.23.245.104) Public DNS: ec2-23-23-245-104.compute-1.amazonaws.com I successfully ssh'ed to the machine and installed nginx. ...
12
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2answers
35k 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 ...
6
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2answers
5k views

amazon aws - regional data transfer - in/out/between EC2 Avail Zones

can anyone say what this charge item is from the account activity? $0.010 per GB - regional data transfer - in/out/between EC2 Avail Zones or when using public/elastic IP addresses or ELB i launched ...
9
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4answers
12k views

Nginx set_real_ip_from AWS ELB load balancer address

I have a set of Nginx servers behind an Amazon ELB load balancer. I am using set_real_ip (from the HttpRealIpModule) so that I can access the originating client IP address on these servers (for ...
9
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4answers
8k views

Is it possible to move an AWS EC2 AMI from one region to another region and if so how?

I have an AWS EC2 AMI in the EU region. I want to move it to the US region. The root device type is EBS and the OS is Linux. Is it possible to transfer the image to the US region and if so how?
6
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1answer
6k views

Search ec2 instance by its name from aws command line tool

I have an instance named dev-server-03. Now how can I search all dev-server-* instances from command line? I am using aws cli tool.
4
votes
1answer
687 views

Is it possible to obtain a copy of Amazon Linux for use outside AWS

How difficult (if at all possible) would it be run a copy of Amazon Linux on a private physical server or hypervisor (Virtualbox/KVM) ? (I am thinking something based in a office/home) I realise it ...
9
votes
1answer
6k views

AWS EC2 migration to new instance type with SSD Drives

I have MySQL running on an m1.xlarge instance with a 100GB EBS volume holding the data files. I would like to migrate to a m3.2xlarge instance and place the data files on the new 2 x 80GB SSD drives. ...
4
votes
1answer
5k views

Static IP address for outgoing traffic from AWS autoscaling group

I'm going to have a number of EC2 instances in an Elastic Beanstalk autoscaling group in a default subnet in a VPC. The app on these EC2 instances needs to connect to a third party service who uses an ...
4
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2answers
90 views

Should I worry about an Amazon AWS doomsday scenario?

Currently our system runs entirely inside AWS. We do rolling snapshots of our EBS and often practice running restores. What keeps me up at night is having all our eggs in one basket. Here are the ...
4
votes
3answers
8k views

Shared File Systems between multiple AWS EC2 instances

I have a couple of windows server instances running on Amazon EC2 and would like to make them a bit more fault tolerant by running a duplicate instance with load balancers. The problem is the ...
3
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2answers
2k views

Elastic IP address on EC2 instance interface without 1:1 NAT

I have a basic Amazon VPC set up with a public and private subnet. I have deployed a Vyatta router in the public subnet that does NAT for the private subnet. I have an elastic IP address assigned to ...
2
votes
2answers
7k views

Conditionally rewriting From and Reply-To headers in Postfix

I've got a web app running on Amazon AWS and it's using Amazon SES to send emails. One of the things I really want this system to do is to be able to forward emails to certain addresses from anyone ...
2
votes
5answers
1k views

Is it possible to create a VPN link between AZURE VNET and AWS VPC?

As I found solutions on making site-to-site VPN between Azure and AWS using a software VPN server, I'm asking myself if it's possible to connect the VPN gateways (Azure VNET / AWS VPC) directly. Is ...
1
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1answer
901 views

AWS Opsworks auto-healing, load instances, and load balancer

I have been working to get our suite of web apps working on aws opsworks. They are now mostly working. Seems like a great environment! But I am wondering about the scaling, healing, and load ...
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votes
1answer
3k views

set up single directory ftp access for customer on Ubuntu

I have a user who like to use the our Bitnami AWS ec2 instance to store podcasts. Up to this point they have been using http://www.lemonzdream.com/podcastmaker/ with MobileMe. Now that MM is dead, ...
10
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3answers
2k views

How to cap bandwidth usage on AWS EC2?

I'm planning to use AWS EC2 for my web application and I need control over the bandwidth usage (don't want the instances to be compromised and ramping up bandwidth cost crazily). There are many ...
7
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2answers
3k views

AWS VPC - why have a private subnet at all?

In Amazon VPC, the VPC creation wizard allows one to create a single "public subnet" or have the wizard create a "public subnet" and a "private subnet". Initially, the public and private subnet ...
2
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1answer
2k views

Cross Region S3 bucket policy

I would like to allow EC2 servers based in us-east-1 to read content from a bucket in us-west-2. Every time I try I get a "The Bucket you are attempting to access must be addressed using the ...
1
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1answer
191 views

How do I back up AWS S3 and EBS to a non-Amazon provider?

We've centered most of our operations on AWS, and love the ease of use there. However, every once in a while, the paranoid side of my brain wonders what could happen if, say, the bad guys got hold of ...
1
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2answers
910 views

Amazon EC2, fastest way to get a node into an existing cluster

I'm new to Amazon AWS. A lot of the time I hear about people folks spawning instances and almost instantly putting them behind a load balancer and into an existing cluster. In the traditional world ...
0
votes
1answer
426 views

How to mitigate DDOS attacks on AWS?

I have web application (NodeJS) and I plan to deploy it to AWS. To minimize the cost it will run on single EC2 instance. I'm worried though about what will happen if someone decides to bless me with ...
0
votes
1answer
285 views

Solution for PHP / MySQL website loading fast in multiple regions [closed]

I host am ExpressionEngine based website on a single Amazon EC2 instance in the US East (Virginia) region. I use Ubuntu. The website allows members to post their content, and displays it for other ...
0
votes
2answers
723 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% ...
22
votes
3answers
8k views

Shrinking Amazon EBS volume size

I have seen this answer for growing EBS volumes, but I would like to shrink one. The default Ubuntu Server images are 15 GB while I really need only 2 GB max (I use a different volume for data). Is ...
17
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4answers
20k views

How to download public key from Amazon AWS?

I have a running amazon ec2 linux instance associated with a keypair (p1) and I have downloaded the private key to my home desktop. Now at work, I created a keypair (p2) on my work desktop and ...
23
votes
5answers
22k views

Can't connect to EC2 instance in VPC (Amazon AWS)

I've taken the following steps: Created a VPC (with a single public subnet) Added an EC2 instance to the VPC Allocated an elastic IP Associated the elastic IP with the instance Created a security ...
17
votes
1answer
71k views

How to add user with SFTP/ FTP access to '/var/www/html/website_abc' folder on Amazon EC2 Centos?

Possible Duplicate: Linux directory permissions I'm working with some third-party developers and I would like to grant SFTP (or FTP) access to the root folder for a website they're working on ...
16
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5answers
30k views

Why Can't I Reach My Amazon EC2 Instance Via It's “Elastic IP Address?”

The server works fine via the Amazon assigned DNS entry, but I cannot reach it (using a browser) via the Elastic IP address Amazon assigned the box. Ping does not work either. I am trying to confirm ...
7
votes
1answer
3k views

Amazon SES e-mails ending in Yahoo & Hotmail Spam folders, even though SPF and SenderID and DKIM are set correctly

This is incredibly frustrating. My Amazon SES e-mails are ending in Yahoo & Hotmail Spam folders, even though my SPF, SenderID, and DKIM are setup correctly. Since this particular site requires ...
6
votes
5answers
4k views

Automated snapshots of EBS-backed EC2 instance running Ubuntu

I'm running an EBS-backed instance which acts as a software development team's build server (running Jenkins and host of other services). The server is running Linux (latest Ubuntu from the official ...
6
votes
4answers
25k views

How do I set an MX record in Route53 for a GoDaddy domain?

Can't seem to find an answer to this question on AWS' forum, not in the Route53 manual, nor on Stackoverflow/Serverfault in a way that makes sense...and GoDaddy's support sure as heck ain't got an ...
8
votes
2answers
9k views

First attempt to migrate EC2 MySQL to Amazon RDS no going well - SUPER privileges

I've been trying to move an existing db from MySQL running on EC2 to a new Amazon RDS instance (an experiment to see if we can move across). So far, it's not going well. I'm stuck at the initial ...
5
votes
3answers
8k views

How to create EBS based EC2 AMI from scratch?

after Amazon announced the new EBS based AMIs, I'm wondering if it is or will be possible to create new AMIs that are not based on the existing Fedora/Windows AMIs. The documentation says: The ...
4
votes
2answers
3k views

Second ENI in AWS VPC is not accessible on Ubuntu instance

I'm just getting into VPC, trying to understand how everything works. So far the biggest hurdle I've run into is that any time I add a second Elastic NIC to a machine, that second IP is not accessible ...
13
votes
8answers
23k views

Why can't I ssh into my new EC2 Instance?

I created a new instance (tiny, 64 bit AMI linux from Amazon) Created a new key pair called "mir". I downloaded mir.pem and put it in my ~/.ssh folder. I even did ssh-add mir.pem. Then I tried to ...
10
votes
3answers
10k views

Root Device on SSD instance types. SSD vs EBS confusion

I have an AMI that was originally created from a t1.micro linux. The "Root Device Type" of this AMI is EBS (8 GB) and my web application software is "baked" into this root volume. Now I would like to ...
8
votes
5answers
9k views

If I shut down Amazon EC2 instance then start it again, will everything be ok?

I have a web site that runs on an Amazon EC2 Linux-based instance, and is mapped to a regular domain name (x.com). This site talks to a database on a second EC2 instance. I need to shut down this ...
7
votes
1answer
4k views

Why does top report a different cpu usage than CloudWatch?

top shows an average CPU usage during peak times of about 20% while CloudWatch monitoring shows an average CPU usage of 40%. What causes this discrepancy?
6
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1answer
2k views

How can I access instance storage on a Windows EC2 instance with an ebs root device?

I have created an AMI, but I would like to use instance storage for some scientific programs I want to run. They basically read a bunch of stuff from disk, write it back out to disk and then ...
6
votes
4answers
1k views

Easy way to convert custom 32-bit AMI into 64-bit one?

I have customised (EBS-backed) AMI for running a demo version of an application of ours. (The AMI contains Ubuntu 11.04 with a Tomcat & MySQL setup for the app itself, and Jenkins for easy one-...
4
votes
2answers
5k views

Can Elastic Load Balancers correctly distribute traffic to different size instances

Just been looking into Elastic Load Balancers. As I understand it they just do round robin, evenly distributing connections to the servers behind them. So what happens if you have different size ...
2
votes
2answers
1k views

Keeping user's filesystem persistent across AWS EC2 spot instances

I noticed that, after a new Amazon AWS EC2 spot instance is auto-launched (I have that option turned on), the state of filesystem is not current (represent the last state before previous spot instance ...
1
vote
2answers
2k views

Amazon EC2 migration from one region to the other

I'm using the following Amazon EC2 resources in the US East (Virginia) region: 1 Running Instance 1 Elastic IP 2 EBS Volumes 100 EBS Snapshots 1 Key Pair 2 Security Groups 5 My Own AMIs (customized ...