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

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I can't upload server certificate on AWS IAM

I got AWS iam working on my server, and trying to upload some certificates: aws iam upload-server-certificate --server-certificate-name domain2014 --certificate-body ...
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3 views

Bootstrapping an EC2 HVM Instance Store Image

I currently have a process where I dd a disk, install CentOS onto it and upload to AWS. This works great for PV based images. I'm trying to use this same process to bootstrap HVM instances, but I'm ...
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+50

Amazon EC2 VPC: NAT instance download speed performance drop

I have a set of servers inside Amazon EC2 in VPC. Inside this VPC I have a private subnet and a public subnet. In the public subnet I have set up a NAT machine on a t2.micro instance that basically ...
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3answers
2k views

How to securely manage private keys for EC2-managed key pairs?

In order to launch an EC2 instance you need a key pair. How do you handle the situation where an engineer with acccess to the private key for that key pair leaves the company? Would it work to add ...
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2answers
1k views

Managing SSH keys between EC2 instances

I have what seems to be a growing count of EC2 instances and all is running fine and dandy. The one problem I'm facing, however, is figuring out a strategy for SSHing between the machines. Copying ...
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2answers
800 views

Server overloaded with log messages: “tty_release_dev: pts0: read/write wait queue active!”

In the logs, I have this (extract from the full kernel messages logges at 06:01:14): Apr 21 06:01:14 ip-10-49-109-107 kernel: [233185.863038] BUG: unable to handle kernel NULL pointer dereference at ...
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3answers
204 views

Why can't I SSH into a new EC2 instance I created from an AMI I generated?

I followed the procedures here: http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/creating-an-ami-ebs.html with the exception that I did not shut down the original instance, just let AWS reboot it. ...
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2answers
75 views

Trouble hitting EC2 AmazonProvidedDNS server over VPN

I have a VPC using the network 10.10.0.0/16, and a VPN server in the public subnet (10.10.0.0/24). The VPN uses addresses in the 10.11.254.0/24 range. When I connect to the VPN, I can access hosts in ...
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1answer
19 views

Allow traffic from any instance in AWS VPC

'm trying to create a security group that allows all inbound traffic originating from within my VPC. I thought I could simply specify my CIDR block, but that doesn't seem to work and requests fail ...
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2answers
29 views

Using EC2 command line tools with Access and Secret key only

I've been given access and secret keys for an EC2 account by a client, I know I can use Elastic Fox to start instances, but command line tools seem to require the account certificates. Are there any ...
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2answers
51 views

How to override the hostname that DHCP configures on a CentOS7 box in AWS? [duplicate]

The title nearly says it all. I have a VM in EC2 running CentOS 7. It uses DHCP, which seems to be a EC2 requirement. DHCP keeps overwriting the hostname on reboot, no matter what I try. I won't ...
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2answers
427 views

problem connecting to amazon ec2 instance after copying it to another region

I have a running instance on us-east which I can connect to. It is an EBS volume based on one of the ubuntu 10.10 server AMIs. It was created by starting a default image, and then customizing it and ...
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1answer
52 views

Internet access from private VPC subnet?

My brain is a little bit fried trying to figure this out but I can't seem to get private subnets to connect to the internet to grab updates for example. Basically all I want is web access for these ...
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1answer
19 views

AWS: authorizeSecurityGroupIngress within a VPC

I'm using the NodeJS SDK to add an inbound rule to a db security group from a db-access security group. Both of these security groups exist within a VPC, however when I add the ingress rule using ...
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2answers
2k views

Which AMI to to use for Java/Tomcat/MySQL in Amazon EC2? [on hold]

I originally posted this on stackoverflow.com and it was suggested serverfault.com might be a better place to ask this question. So here goes: I'm trying to determine which Amazon Machine Image ...
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0answers
17 views

Amazon EC2: Not able to login(RDP) to Instance after migrating root ebs volume.

I am trying to access my windows instance but I am unable to login (RDP) into it. What I have done is I have taken up a snapshot of a root EBS volume and attached that to newly launched instance. The ...
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1answer
833 views

Connecting jconsole using SOCKS to Amazon EC2

I'm trying to use jconsole to view stats on an EC2 instance by using a socks proxy created by SSH. I've tried the various scripts mentioned in the links below but to no avail: ...
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1answer
14 views

Should you use secondary IP configuration to configure applications in EC2?

I am using DHCP to assign primary IP addresses in a subnet within a Windows Amazon Web Services EC2 instance To avoid issues where the boxes are rebooted and the DHCP address changes, I have assigned ...
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1answer
813 views

Amazon EC2 Socket connection not being accepted

I am trying to run a java application on my EC2 instance. The application accepts socket connections on port 54321. If I try and connect to it, it times out. My Security Group is set as: TCP Port ...
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0answers
15 views

How to add SSL certificate to domain that is URL-frame redirected to AWS EC2 server

Currently running a node.js webapp with a NginX reverse proxy on an Amazon EC2 web server instance. Furthermore, I have a domain, call it example.com, which URL-frame redirects to this web server. ...
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1answer
15 views

Terminate a specific instance and scale down an Autoscaling group managed by CloudFormation

We have two applications that require a long time(between 20 minutes and 7 days) to finish processing their data and deprovision properly. We still want to manage them in Autoscaling groups with ...
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1answer
28 views

Elastic Load Balancer bandwith vs EC2 [duplicate]

How does pricing with AWS works. By exemple: 1024 Go of Data Transfer Out in their calculator (http://calculator.s3.amazonaws.com/index.html) cost about 120$. If you remove this 1024Go and move it ...
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1answer
17 views

Instance created from shared snapshot gives Server refused our key error

I have created an instance from a shared snapshot from other aws account,following steps were done by me, 1.Share snapshot from other account. 2.copy it to my account. 3.create a volume from it ...
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1answer
2k views

Can't install new database in OpenLDAP 2.4 with BDB on Debian

I'm trying to install an openldap server (slapd) on a Debian EC2 instance. I have followed all the instructions I can find, and am using the recommended slapd-config approach to configuration. It all ...
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1answer
34 views

Network File Systems (NFS) between multiple AWS EC2 Instances for VisualSVN Servers behind Load Balancer

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

Ubuntu 14.04 Server HVM with EBS Free Tier AMI

I'm looking through the AWS Marketplace and Community AMI's to launch an instance on my newly registered free tier on Amazon. I'm very confused by the advertising of what's included in the free tier ...
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3answers
2k views

Production Instance : CLOSE_WAIT Connection Issue

I am using 10EC2 Instances behind 1 ELB. And ELB configured 80 to 8080 and 443 to 8080 port. And all 10EC2 instances having installed with Apache Tomcat, total request on ELB around 8000 to 10000 in ...
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1answer
26 views

Assigning a public ip to an ec2 in cloudformation?

In the vpc I am using on aws ec2's do not get a public ip address by default. I am trying to add one manually after referencing this and this bit of documentation. Currently my cloudformation ...
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1answer
49 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 ...
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2answers
64 views

Ubuntu EC2 server not accepting key following OpenSSH upgrade

I've just upgraded OpenSSH on an EC2 Ubuntu instance. sshd -V now gives: OpenSSH_6.6p1 previously showed: OpenSSH_5.9p1 Debian-5ubuntu1.3 However, I can no longer log in with the .pem file from ...
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1answer
18 views

AWS EC2 SSL Server certificate does not match the URL

After uploading the certificate to iam, when I visit https://www.mywebsite.com I get this error The identity of this website has not been verified. • Server's certificate does not match the URL. ...
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1answer
1k views

upgrade CentOS from 6.5 to 7 in an EC2 Instance

How can I upgrade CentOS from 6.5 to 7.0 under Amazon Web Services EC2 instance? I have added the redhead upgrade tool to my repository and installed it, called the preupg and then imported the ...
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Amazon ec-2 not allowing connection on port 8088 (custom webApp) event after adding it to security group on EC2-instance [closed]

Amazon ec-2 windows server instance not allowing connection on port 8088 (custom webApp) event after adding it to security group on EC2-instance. on netstat the port comes out as filtered.
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2answers
1k views

Unable to browse default IIS website on Windows instance on AWS

I have a medium EC2 instance that runs Windows 2008 R2. I have installed the web role in order to run IIS on it. I am able to see the default website locally but not from the internet using the Public ...
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1answer
33 views

How to change private ip of amazon ec2 instance [closed]

i have created ec2 instance and from that instance i have created ami . i have to create daily one ec2 instance from that ami and do some testing on that instance . in that case i want to stop ...
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3answers
2k views

How to Setup VPN server in Windows Server 2008 on Amazon Cloud E2?

I have servers in Amazon Cloud E2 with Windows Server 2008 R2. I want to setup a VPN server. Can any one guide me? Because as per the MS articles I completed the steps but I am not able to connect ...
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30 views

“A new version of /boot/grub/menu.lst is available” when upgrading Ubuntu on an AWS server

I just tried to do a sudo do_release_upgrade on an AWS EC2 Ubuntu 13.10 server to upgrade to 14.04. All was going well until I got the following message: A new version of /boot/grub/menu.lst is ...
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1answer
21 views

How to get the Amazon Linux AMI version by AMI id?

I have an EC2 instance which runs an outdated Amazon Linux AMI (ami-5256b825). To upgrade to the most recent version, I first want to know what the differences between 2 images are. I only have the ...
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32 views

aws stolen cpu on dedicated machine

I'm running a dedicated m3.medium EC2 instance. How is it possible that my top says: Tasks: 84 total, 1 running, 83 sleeping, 0 stopped, 0 zombie Cpu(s): 4.3%us, 1.5%sy, 0.0%ni, 90.8%id, ...
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0answers
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AWS Custom AMI not running userdata script

We bake AMI's and lately I have wanted to run some user-data scripts to notify cloud formation when the instance is done booting and put it into service. I am using cfn-signal to do this. On the ...
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1answer
26 views

Amazon EC2 - Not able to find / mount EBS volume partition

I have a linux instance to which a ebs volumne of 20GB has been attached. The web-console volume page shows: 20 GiB gp2 snap-b3a87xyz in-use i-cd5b9999 (myinstance):/dev/sda1 (attached) The ...
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1answer
460 views

Server refused our key (AWS) - Putty

I've just signed up to AWS and launched EC2, downloaded key (.pem) file then generated ppk file using puttykeygen. Using this ppk file I've tried to log in to the server via SSH using Putty but it's ...
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1answer
17 views

Amazon EC2 server cannot connect and access via putty out of sudden

I have a ubuntu server setup in amazon ec2 for few months. Today, out of sudden, the server status is not reacheable and putty is not accessible too. I've also rebooted the system, it seems to be ...
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25 views

Elastic IP Not Resolving to Windows Instance

I'm sure I'm just missing a step, but I can't figure out how to get server to resolve to new elastic IP address. I appreciate everyone for their help. I've been trying to figure this out for a while ...
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2answers
910 views

Autoscaling and NFS Server

I have a WebServer say WS-1 and a NFS server say NFS-1 setup on AWS. WS-1 is being managed by an elastic load balancer and also autoscaled. It also has an EBS mounted on /var/www which contains all ...
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13 views

Can't clone from bitbucket repository [migrated]

I can't clone git repository from BitBucket by jenkins on amazon ec2. OS:Centos Git:2.0.4 Step which done: Add ssh key to bitbucket Add bitbucket to known_host jenkins run from user tomcat ...
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0answers
14 views

Lost ssh-control on aws ec2 instance after Ubuntu update

During major update of Ubintu on my aws ec2 instance, system asked me if I want to disable ability to ssh under root user, as for most systems it's not used, but simplifies attacks. As by default I ...
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43 views

Bottle neck of nginx?

I'm using nginx as a load balancer on amazon ec2 m3.large instance. This load balancer will receive loads from a load generator and distributed them to the 3 instance with mysql database serves as ...
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1answer
988 views

How do I shrink an EBS volume on Windows Server 2008?

I have a Windows Server 2008 instance on EC2. I need to shrink one of the drives (non-root) to a certain amount. Is there are well defined way of doing it? Thanks
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4answers
2k views

Which Amazon EC2 AMI to use for cross browser testing?

Which Amazon EC2 AMI should I use for cross browser testing? I'd like to test on IE6, IE7 and IE8 (using a Mac), and would like an AMI with sensible settings, and perhaps something like Superpreview ...