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10
votes
3answers
14k views

How to use Amazon Elastic IP?

I get a new elastic IP, I attach it to an instance, but it doesn't work? I can't ping the IP from my local computer either? Am I missing something here? How do I use Amazon Elastic IP? When is a new ...
9
votes
5answers
6k views

How do you automate failover on EC2?

Of the folks managing their own clusters (i.e. not using/paying for Amazon Autoscale, Rightscale, Scalr, etc.), how are you managing your instances on EC2 and handling (e.g.) failover? I'm wondering ...
7
votes
2answers
3k views

How do I attach an Elastic IP to an Elastic Beanstalk app?

I can give a single instance an Elastic IP. No problem. But I have an Elastic Beanstalk app. It can create and remove instances as needed. It has a load balancer. How can I get these features ...
6
votes
2answers
2k views

AWS - Assign an Elastic IP to a ELB

Is it possible to assign an Elastic IP to a Load Balancer?
5
votes
1answer
681 views

Possible to limit an EC2 key to just ec2-associate-address?

I have a regular EC2 instance with an elastic IP. The few times the instance has been stopped, I've just manually re-associated the IP with it via the AWS Management console. I'm now thinking about ...
4
votes
1answer
1k views

haproxy and keepalived on Amazon EC2

The new Amazon Opsworks service uses haproxy rather than Amazon's own very limited elastic load-balancer so I started investigating haproxy as a better option for load-balancing our web app servers, ...
3
votes
2answers
2k views

ec2: assign cname to elastic ip

Couldn't find this exact same question so here it goes: I'm trying to setup a CNAME record to an elastic ip linked to a ec2-instance, but this fails. When deassociating the elastic-ip from the ...
3
votes
1answer
886 views

What is the difference between a plain Amazon ec2 instance and beanstalk?

I am a solo developer and the sites I'm deploying are very small, usually hobby sites and I have a few questions about the Amazon services. Is there a reason for me to use beanstalk or should I just ...
3
votes
2answers
1k views

Assign multiple Elastic IPs to EC2 instance

When I try and associate a second Elastic IP to a small EC2 instance, the currently assigned Elastic IP is disassociated. Do I need to use a VPC?
3
votes
1answer
900 views

EC2 and Static IP's (Elastic IP's)

I'm using an elastic IP for one of my EC2 instances. I can reach the instance via the elastic IP from external machines, but from other machines in my EC2 configuration, I can ONLY reach the machine ...
3
votes
2answers
2k views

Can't connect remotely to SQLServer Express 2008 on AWS EC2 instance using SSMS

Every time I try and connect to a remote SQLServer Express instance on my AWS server I get a network or instance specific error. What I have tried so far: I ensured that the Security Group applied ...
3
votes
2answers
1k views

chef assign elastic ip to instance

I am using a custom bash script to spin up/down EC2 instances as needed. The script creates the instance similar to: knife ec2 server create --config .chef/knife.rb with a few other parameters. It ...
3
votes
2answers
154 views

Security group for a changing aws instance via external ip address

I have an issue I am sure other people have come across and I am trying to find the best solution. It may be a bit long winded so please bare with me. PLEASE NOTE: port 22 is just an example port ...
3
votes
3answers
2k views

HTTP not working EC2 instance with own domain name

I have this problem I've already posted on the Amazon AWS forum. Unfortunately I haven't got a clear answer I and I was hoping you guys could help. Here's the link: ...
2
votes
3answers
725 views

Elastic IP vs EC2 Public Hostname + Route53

We are evaluating to use Elastic IP on all of our ec2 instances, and we compare to the use of public EC2 hostname and Route53 (with a very short TTL to the public EC2 hostname & dynamic update DNS ...
2
votes
3answers
1k views

What is the best practise for assigning an EC2 EIP after starting an instance?

I would like to auto-assign an EIP to an instance when it is started. I know I can write a script to stop/start the instance and assign the EIP I want using the EC2 tools, but that depends on me ...
2
votes
1answer
211 views

Amazon EC2 - Provides a dedicated IP?

I'm thinking of using Elastic Beanstalk (which uses EC2). Will I receive a dedicated IP address? Is an Elastic IP a dedicated IP? I do not want to share an IP with other people.
2
votes
4answers
2k views

Zero-downtime availability in a web-serving frontend on EC2?

We have a web application with low load but high availability requirements. It consists of a single front-end load balancer and a couple back-end servers. The load balancer is there primarily for ...
2
votes
2answers
169 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
444 views

Are EC2 public DNS names associated with Elastic IPs stable?

When I spin up a machine in us-west-2 and give it an elastic IP, it gets a public DNS hostname like ec2-XXX-XXX-XXX-XXX.us-west-2.compute.amazonaws.com When I spin up a machine in us-east-1 and ...
2
votes
2answers
1k views

amazon ec2 elastic ip. do I need one for each website I host?

I have a couple of sites that I want to move to Amazon EC2. All the sites uses ssl so it needs to have a dedicated ip address to each one. My question is: Even if I host all the sites in the same ...
2
votes
1answer
667 views

Is my hosting company using Amazon EC2?

I have a few clients who I host websites for. Right now I am using a web hosting reseller package to do this, but have been considering moving to Amazon EC2. The only problem is the clients need ...
2
votes
1answer
2k views

AWS service to setup port forwarding from Elastic IP to EC2 instances

Is there an AWS service (rather than creating an instance, and doing something via iptables?) that will allow me to use the API to set up port forwarding from a single Elastic IP address, onto ...
2
votes
1answer
1k views

Can i change the default AWS EC2 Public DNS?

I'm using Route 53 and created A record to the Elastic IP that associated with an instance. In Security Group, i activated the "All ICMP" and make it accessible from anywhere (0.0.0.0/0) so i can ...
2
votes
2answers
2k views

How to set IP address of Amazon EC2 instance to its Elastic IP?

I have an Amazon EC2 instance running and I am installing a program on it that needs to know what the machine's IP address is. Can I set the Elastic IP address to the IP address within the EC2 ...
2
votes
1answer
371 views

Need an interface for an Elastic IP (DRBD & EC2)

We are trying to mirror a volumes over a geographical zone using DRBD (and Ubuntu 11.10). We are using elastic IP's - however there is no local interface for Elastic IP's - only an interface for a ...
2
votes
1answer
302 views

Perisistent EC2 IP association even after instance stop/start

I have a single EC2 instance and a single Elastic IP. After the instance is stoped and then re-started, the association between the instance and the IP is lost and I have to manually re-associate. ...
1
vote
2answers
257 views

How do I persist a hostname or IP to my Amazon EC2 Instance?

Suppose I spin up a machine in EC2. Every time I stop/start the machine the following things change (reboots are safe--they don't cause these to change): public IP address public DNS record private ...
1
vote
2answers
736 views

Providing a static IP for resources behind AWS Elastic Load Balancer (ELB)

I need a static IP address that handles SSL traffic from a known source (a partner). The reason the IP needs to be static is that the partner requires this in order to maintain the PCI compliance. ...
1
vote
1answer
173 views

Amazon EC2 Ubuntu instance and getting the Elastic IPs auto, once turned on

Every time I reboot my Ubuntu based EC2 instances, they do not automatically get the IP so I have to associate them manually from the admin panel. Each instance should have a single IP assigned. Is ...
1
vote
1answer
152 views

Amazon EC2 - Adding a Elastic IP does not show up in IIS

I have created a Windows Server 2012 EC2 instance and I have bound an Elastic IP address to the server. The problem is, the IP address isn't showing up in IIS 8 and I can't seem to get web sites to ...
1
vote
1answer
220 views

Failed to bring up eth1:1 when using secondary private IP on secondary network interface on VPC instance

I have created a VPC ec2 instance (t1.micro), in which I have two network interfaces, the primary eth0 and additional eth1. I was able to bring up the eth1 by editing the /etc/network/inteface auto ...
1
vote
1answer
230 views

EC2 Multiple website on one instance, load balance

I have a question. My instance is currently using LAMP STACK by Bitnami, the first site is LAMP, the second is Magneto STACK by bitnami, My focus is on Magneto Stack. I was thinking of having the ...
1
vote
3answers
135 views

Elastic IP + EC2 newb: trying to access my server publicy

I have created an elastic ip and associated it to my server. The ip is: 54.201.18.251 If I try and ping this IP I get: PING 54.201.18.251 (54.201.18.251): 56 data bytes Request timeout for icmp_seq ...
1
vote
1answer
119 views

Using Route 53, how to point a domain without www to an ELB? [duplicate]

I can already CNAME the www to my ELB DNS, but how would I route the non www as well?
1
vote
0answers
117 views

VPC private ip address unable to communicate to the network interface which has an elastic ip assigned

I'm not sure if this is how VPC EC2 private addresses are supposed to work. I have two instances in VPC each are allowed to talk to each other (security group), and each instance has two network ...
0
votes
1answer
111 views

Amazon Elastic IP within VM machine

Is it possible to have the Elastic IP (attached to the interface in the AWS console) available as the interface IP withing virtualized machine - currently eth0's IP is the private IP and the routing ...
0
votes
3answers
263 views

Is it safe to allot an IP address to a computer, and not running a webserver on it?

I have a few instances running on the Amazon cloud. Some are DB-servers, some are blogs and one has my webapp. The DB-servers don't have apache or any other web-servers installed. So will it be safe ...
0
votes
2answers
285 views

Domain Name in EC2: Server End?

I'm reading this guys post at http://codingthis.com/platforms/linux/how-to-point-a-domain-to-an-amazon-ec2-virtual-server/ and I am using Yahoo for the domain. In his post he seems to point the ...
0
votes
1answer
50 views

Assign a public IP address to new Amazon Instance

My Amazon Instance got terminated accidentaly. This Instance was having an IP address associated with itself so that it can be accessed from internet. Now I have created another Instance from the ...
0
votes
1answer
99 views

Max number of elastic IPs that can be attached to single instance? [closed]

How many elastic IPs (publicly visible) can be attached to single instance?
0
votes
1answer
83 views

Ping Elastic IP Address from Inside Server Fails

I have an EC2 server set up inside a VPC on Amazon. The server is reachable from the outside via its elastic ip address; however, when I attempt to ping that ip from inside the remote desktop ...
0
votes
1answer
374 views

When I assign instance to a an elastic ip it's public-dns is changed

Ok I have an instance (let's call it instance-1) with its public dns (let's call it ec2-A-B-C-D.compute-1.amazonaws.com) and another instance called instance-2 (public-dns : ec2-E-F-G-H) I created an ...
0
votes
1answer
228 views

AWS Elastic IP vs. VPC Usage Recommendations: Suggestions?

I'm working on creating a suite of self-training exercises and guides (perhaps eventually a collection of videos or Slideshare presentations) covering a range of systems administration and "ops" ...
0
votes
1answer
606 views

Multiple outgoing ip on one amazon ec2 instance

Can i have multiple public outgoing ip on an amazon aws Instance? I have one instance with two network interfaces and two elastic ip each one, so i can ssh to my server using both publics ips. ...
0
votes
1answer
107 views

Google indexes both Amazon public dns and elastic ip

I'm using an Elastic IP and have created an A record of my domain to that IP. (Host=@ and "Points to" is the IP) Google has indexed this domain accordingly but it also has indexed the public DNS ...
0
votes
2answers
178 views

Elastic IP on Amazon EC2 - How does this effect rate limiting?

I have been reading about elastic IP's with Amazon EC2 instances. I was wondering, a lot of the stuff I do with my server is based on IP limits, like for example google map geocoding which is limited ...
0
votes
1answer
52 views

Elastic IP is gone after cancelling AMI image creation

I created an AMI image, but cancelled it after 30 minutes of waiting. After that, my elastic IP which was assigned to the original instance is gone. It's not even in the Elastic IPs page. How do I ...
0
votes
2answers
192 views

issue with allocating static address to EC2 instance

I tried setting an elastic IP by doing: ec2-allocate-address however, it gives me an error: Required option '-K, --private-key KEY' missing (-h for usage) why is this?
0
votes
2answers
184 views

how to implement elastic ip like architecture in private server farm

what are the ways by which I can implement elastic ip like architecture in my private server farm? There is only one global ip available but I should be able to ssh any server from external network by ...