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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How can I use AWS placement groups with ironfan?

I would like to use AWS placement groups in order to decrease latency between my front-end server and back-end servers in a particular availability zone. We use the Chef orchestration layer Ironfan, ...
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25 views

Sharing between EC2 Instances not working

I want trying to setup a render farm in AWS where I created all my instances using my 'Windows 2008 Base' based AMI. I will have one manager instance which is attached to EBS drive (D drive) and this ...
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31 views

DirectAccess Multiple Subnet Deployment

I am looking at doing a DirectAccess rollout on AWS using a single Server 2012 R2 instance behind an edge device. My clients are mostly running Windows 7 Pro/Ultimate, but there will be some other ...
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168 views

haproxy proxy protocol x-forwarded-for

I'm using haproxy instances behind AWS ELB. For HTTP Rest, i works like a charm. Now i want to dispatch websockets and have to switch my AWS ELB to TCP mode. I Want to get realip from by backend ...
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61 views

PHP FPM, chroot can't connect to AWS RDS

I've been experimenting with chroot'ing php-fpm pools via the built-in chroot method in php's pool config. This is for the purpose of hosting multiple wordpress websites on the same AWS EC2 instance. ...
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170 views

Why can't I SSH to this AWS NAT instance in a public subnet?

For experimentation purposes, I’m trying to setup an AWS EC2 inside a VPC that has both public and private subnets as described in this tutorial. However, when I try to SSH in step #2, it fails ...
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106 views

Can we connect an OSX computer to an AWS VPC VPN?

We have a OSX computer we would like to connect to our AWS VPC. This OSX computer is on a network we do not control in a different physical location as the rest of our network. Using OSXs Networking ...
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258 views

Jenkins publish over ssh success to connect the server but failed put file

I have a problem that when I do build to my job, its cannot put my file on the server directory in console output i get the message "ERROR: Exception when publishing, exception message [Permission ...
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54 views

OpenVPN Traceroute Issue

I have the following basic OpenVPN configuration: Datacenter Side: Subnet: 192.168.168/24 WAN->Router(192.168.168.1)->OpenVPN Server(192.168.168.200) Config File: port 1195 dev tun remote ...
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68 views

Amazon Web Services VPC ClassicLink feature in Cloudformation?

Does anybody know how to configure ClassicLink in a VPC in cloudformation? I'd rather not have to manually enable this every time I update a stack. The cloudformation documentation always seems to lag ...
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68 views

AWS Cloud Front with S3, serving static files- Redirects implemented via java script at browser level

We have our Java application on tomcat server webpages- the application fetch content from multiple services and Database to create page and respond. We are checking for a best method to improve the ...
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293 views

Set up pfSense on AWS VPC?

I am attempting to setup pfSense as a nat box for internal servers on a VPC. I have followed the guides posted for configuring access and have followed the AWS instructions for setting up and ...
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30 views

AWS IAM Roles restricted list

Is there any way to restrict what IAM profiles are listed when launching an EC2 instance using the dashboard in AWS? I can specify what roles can be assigned using this IAM role block { ...
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146 views

Amazon VPC NAT performance problems

I have a set of servers inside an Amazon VPC, whose job is to get image files from S3 and process them. The S3 downloads would frequently stall, sometimes for over 2 minutes, but all would eventually ...
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24 views

Amazon RDS MySQL Replication for Backup

I was thinking of setting up Amazon RDS for MySQL as a slave MySQL server for backing up MySQL databases from my dedicated server. The server will be programatically brought online for replication and ...
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34 views

AWS Directory Service compatibility with XenApp / XenDesktop

I have a question regarding AWS Directory Service compatibility with Citrix XenApp / XenDesktop. I am about to deploy a Citrix XenApp environment in AWS. A requirement for XenApp is a working Active ...
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161 views

Amazon AWS Site-to-Site VPN doesn't allow concurrent pings

I have some strange behaviour with an AWS VPC site-to-site set up and would like some help to understand where my problem might be. Set Up I have a VPC with a private and public subnet, there is a ...
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147 views

Enabling the Internet Connection on an EC2 Windows Server 2012 Machine

I've disabled the firewall: netsh firewall set opmode disable I've made sure to accept all inbound and all outbound connections: Is there anything that I should be installing or adding on to the ...
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60 views

How to list all VPC dependencies in AWS CLI?

I want to delete VPC through CLI. But get an error: A client error (DependencyViolation) occurred when calling the DeleteVpc operation: The vpc 'vpc-xxx' has dependencies and cannot be deleted. ...
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79 views

AWSCLI s3 sync doesn't create directory

Hi try to sync a local directory to a S3 bucket. The files in the directory get synced perfectly, just the directory isn't created at all. Can you guys give me a hint how to do it? "newdir" contains ...
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190 views

IAM user with full s3 access can't create directory

I've a AWS IAM user which has full access to Amazon S3 The policy is the following { "Statement": [ { "Effect": "Allow", "Action": "s3:ListAllMyBuckets", ...
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93 views

Server crash: BSOD caused by bcedit.exe - How can this be solved?

On one of our servers (Windows Server 2008 R2 - Datacenter) hosted in the AWS cloud we got a BSOD, the MiniDump simply said: PAGE_FAULT_IN_NONPAGED_AREA Caused by driver: ntoskrnl.exe The AWS ...
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87 views

Why these two CPU usage graphs (CloudWatch vs. Cacti) are different?

I have collected CPU stats of a server in AWS (m3.2xlarge instance with Windows 2008) using CloudWatch and Cacti for the same period. Here you can see last week CPU usage captured by Cloud Watch with ...
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76 views

Unable to create partition utilizing all sectors on an AWS EC2 instance with EBS volume

I am working on an AWS EC2 instance. I have attached an EBS volume from other instance to this machine. I want to expand root partition on the volume. I am using gdisk. Following is the output of p ...
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216 views

Configuring SSL connection to RDS using mysql workbench

I connected to my RDS db using MySQL Workbench. However, SSL is not active on the connection. When I force SSL, it fails. Config is default. To enable SSL configuration, Mysql Workbench asks for the ...
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107 views

AWS RDS CLI: AccessDenied on CreateDBSnapshot

I want to use the AWS RDS command line tool to create a snapshot of my database my-database using create-db-snapshot. I have created a special backup role in IAM with a policy that allows me to ...
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87 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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163 views

iptables on AWS - how to get traffic mirroring to work?

Has anyone successfully deployed 'iptables -t mangle -j TEE...' for monitoring traffic on AWS instances? If so, how? My objective is for client<->server traffic between external customers and EC2 ...
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43 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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69 views

ASP.NET/IIS <---> Solr/Tomcat setup on EC2 - “best practice” configuration

I am an ec2 newbie and deploying an asp.net application that interfaces with Apache solr (on Tomcat). In my dev environment I am running ASP.NET and Solr/Tomcat on my windows box. I am also ...
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95 views

Amazon EC2 VNC Nvidia GPU usage?

I have a GPU instance on Amazon Web Services I am using Ubuntu 14.04 LTS The console show that the drivers are loaded perfectly, see below output $nvidia-smi -q | head ==============NVSMI ...
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35 views

Amazon AWS Subnets and their gateways

I am a Python developer, and I've been handed (gladly I might add) some DevOps duties. While I'm quite familiar with AWS' console, as well as fabric, and some chef, I'm stuck trying to add routes ...
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61 views

NGINX: proxy_cache altering headers

I have been having trouble building a proxy between my server and s3 to cache requests. I finally boiled it down to a single point of failure... http{ proxy_cache_path /home/cache levels=1:2 ...
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50 views

AWS: RDS instance(s) and connecting from remote machine

I'm moving a site over to AWS. It's on the Amazon-flavored Linux distro, using MySQL. I vaguely remember setting it up a couple of months ago (been busy), and allowed access from my elastic IP. I ...
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141 views

MariaDB Multimaster replication and AWS Auto Scaling Group

One of the things I hate most about RDBMS is that it can't sit on an ASG like the web servers and bounce it around and scale it up and down like a yoyo. Or can it? Recently looking at MariaDB galera ...
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50 views

Access ElasticCache Redis instance within VPC from a classic instance

I have an existing AWS EC2-Classic deployment that I am seeking to add a small Redis instance to. As this only needs to be a tiny Redis instance I elected to use the t2.small size. I've since found ...
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29 views

Creating a bootable ami from a raw device AWS

I have a raw block device or a raw file that I would like to convert to and ami or something similar. The raw file can be a variety of operating systems. Also, the file is almost always larger than ...
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19 views

Include x-amz-storage-class Header When Calling Amazon S3 from Web.config

Any time my web app calls Amazon S3, it would be nice to conditionally include the following header. I am using a custom domain mapped to an S3 bucket. key: x-amz-storage-class value: ...
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62 views

iis-disabling-ssl-v3 (CVE­-2014­-356)causing ec2 to Rds connection failure

To disable ssl v3 on my web server (m1.small EC2, i-1aafee15) running windows server 2012 r2, I added registry keys: SSL 3.0->Server->Enabled (0) SSL 3.0 ->Client->DisabledByDefault (1) ...
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51 views

cloud-init - migrating EC2 instance between subnets without reconfiguring

We need to move a handful of Amazon Linux EC2 instances between subnets within our region. All I want to change during the move is the IP address. The suggested approach was to Shut down the ...
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70 views

Route 53 how can I set different records for multi level wildcard subdomains?

I'm using AWS Route 53 and I have two A records as follows: *.domain.com - resource1 *.*.domain.com - resource2 At the moment the are both matching resource 1, what I want is for the two level ...
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74 views

Should I be concerned about AWS inter-zone latency?

I have an app hosted on heroku and I just set up an AWS RDS database. The app and the database are in the same region (US East) but I can't tell whether they are in the same zone or not. Server ...
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295 views

AWS Elastic Beanstalk : Error creating an auto scaling group without vpc

I have the following error when I try to create a Node.js environment in Elastic Beanstalk : Creating Auto Scaling group named: awseb-e-neymbigw5a-stack-AWSEBAutoScalingGroup-1QX6LF04LAXUF failed ...
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44 views

Reach non existing AWS VPC subnet from IPSec tunnel

So here is my setup: VPC: 172.16.0.0/16 Subnet 1: 172.16.1.0/24 openvpn server: eth0: 172.16.1.10 tun0: 172.17.0.1 ovpn client 1: 172.17.0.6 ovpn client 2: 172.17.0.10 IPSec VPN is using ...
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191 views

How to map multiple AWS LoadBalancer ports to a single instance port?

I have setup like this -- Two ports on my load balancer map to a single port on my instance (the instance checks the HTTP header and issues a HTTP redirect to the HTTPS site for any non HTTPS ...
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104 views

Setting up nginx in aws rhel 7 instance, seeing 403 forbidden

So I'm trying to set-up nginx on a RHEL 7 AWS micro instance, nothing fancy just mainly for testing. Installed nginx I believe correctly sudo yum install nginx.x86_64 sudo chkconfig nginx on sudo ...
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403 views

s3fs “could not determine how to establish security credentials”

I'm trying to use s3fs to mount an S3 bucket on to a standard AWS Amazon Linux AMI (with all the necessary dependencies installed). However when following this tutorial when I run: s3fs mybucketname ...
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61 views

Calculate AWS Data Transfer for existing on-premise server

We are looking to move our internally hosted servers to AWS. One thing I cannot seem to work out is how much data our servers are going to transmit back to our office. Anyone know of a good way to ...
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46 views

Check Filesystem of Root Volume (Amazon Linux / RHEL)

How can I check the file system (and repair potential errors) of the root EBS volume (/dev/xvda1) of an Amazon AWS T2 instance? The instance runs the latest version of Amazon Linux (RHEL). Is it ...
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61 views

LogFormat for AWS Elastic Load Balancer

is there anyone able to stat AWS ELB access logto Awstats? I have played a little bit to format the log but without any luck. if someone did can share how that can be achived. thanks .