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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Troubleshooting “Network is unreachable” from within an Amazon VPC

An EC2 instance is running Amazon Linux in a public subnet in a VPC. Here are the outbound rules for its security group: ALLOW TCP on port 80 to 0.0.0.0/0 ALLOW TCP on port 443 to 0.0.0.0/0 ALLOW ...
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1answer
14 views

Amazon Linux rsyslog config override

I am using Amazon Linux AMI release 2015.03, I am trying to configure rsyslog to redirect logs to a remote logging server (in this case, logstash) by dropping a conf file in /etc/rsyslog.d. The ...
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0answers
15 views

Using my private DNS from within AWS VPC via Route 53

I have an Amazon VPC connected to our corporate network. Each EC2/beanstalk (linux) instance uses the standard AWS supplied IP address for its name server in /etc/resolv.conf. Each EC2 instance can ...
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0answers
11 views

Getting application logs. Command failed on instance

Currently using the Amazon web services, I successfully deployed multiple applications on Elastic Beanstalk ( with green cluster health) as Docker containers. The problem however arises when I try to ...
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2answers
37 views

Connection established. Still ssh login issue to ubuntu server on ec2 instance

I am not able to login to my Server (ec2 instance). Before this I was able to login. No changes has been made to server or Security groups ! please help me out ! ashish@ashishk:~/MyScripts$ ...
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0answers
9 views

Can one access application logs from .net beanstalk applications?

I've deployed an beanstalk application to aws - and I'd like to have my application logs in the logs console for beanstalk. Is this possible? I couldn't find a magic directory to log into in order to ...
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0answers
14 views

How to securely allow web apps to read/write to S3? (the new way with IAM)

I've been banging my head against a wall on this for two hours. It's frustrating that Amazon has made this so complicated when it doesn't need to be. Let's say I have a bucket called "test," and a ...
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0answers
18 views

Choosing AMI for NAT Instance in AWS VPC

When I want to run an NAT instance in a VPC, I noticed there were 3 latest AMIs in us-east-1: amzn-ami-vpc-nat-hvm-2015.03.0.x86_64-ebs (ami-b0210ed8) amzn-ami-vpc-nat-hvm-2015.03.0.x86_64-gp2 ...
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0answers
21 views

Amazon EC2 gives internal server error when posting via Python

I have a problem with python API and MY ec2 instance. When I am trying to post a json I am getting an error like 500 INTERNAL SERVER ERROR {"error_message": "Sorry, this request could not be ...
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0answers
14 views

AWS: Amazon Linux vs. Ubuntu for Meteor [on hold]

I'm creating a Meteor app solely dependent on AWS. In doing so, I'm staying far away from the usual Modulus.io for the app and Compose.io for the database. I'm just having trouble picking the AMI. ...
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0answers
31 views

Application layer firewall for WebSockets?

My team has built an intranet portal in Amazon AWS for a client, and on it, we have used WebSockets to do things like notifications and other minor stuff. We mostly send events from the server, but we ...
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1answer
13 views

AWS push notifications of configuration changes

I'm creating a dashboard for our developers that helps visualise and interact with our CloudFormation stacks. Because a CloudFormation stack can have many resources the number of calls I have to ...
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1answer
34 views

Cannot open port 1337

I am struggling with iptables firewall to open port 1337 externally. My iptables file looks like this: *nat :PREROUTING ACCEPT [0:0] :INPUT ACCEPT [0:0] :OUTPUT ACCEPT [0:0] :POSTROUTING ACCEPT [0:0] ...
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0answers
16 views

Single cluster of servers handling multiple ssl enabled websites

I'm running several e-commerce websites, each is processed by the same php code which loads different configuration based on the domain that it is being accessed from. I'm trying to use OpsWorks to ...
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0answers
16 views

Site experiencing downtime due to Instance failing System and Instance checks [on hold]

I have one site running over one aws ec2 instance and all was working fine since last one year but suddenly this site is receiving downtime. When i looked for the problem i found out that instance is ...
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0answers
37 views

Wordpress with cloudfront , how to mask origin url

I'm facing an issue setting up wordpress with cloudfront. I've set up all things fine, and it's working, but the problem is that when I send a request, the origin url is displayed in the address bar ...
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1answer
11 views

[AWS]Get clouffront redirecting to the right apache vhost instead of default one

I have set a cloudfront distribution with an orgin which is a vhost on apache. When I select "None (Improve Caching)" in the Forward Hearder option, the cname of the cloudfront distribution sends me ...
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0answers
6 views

aws cloudformation iam policy to restrict certain rds actions

I am working on a cloudformation script that should only be able to perform certain actions. I have the following: { "Action": [ "ec2:AuthorizeSecurityGroupEgress" ], "Condition": ...
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1answer
38 views

TLS 1.0 handshake fails in Windows Server 2012 R2

I am using Windows Server 2012 R2 to contact AWS services, namely https://elasticbeanstalk.eu-central-1.amazonaws.com/. However, the AWS toolkit for Visual Studio as well as Internet Explorer 11 fail ...
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3answers
28 views

Amazon EC2 Security Group inbound rule with a dynamic IP

I'm looking for clarification on what I see as a potential problem with EC2 Security Groups. I'm setting up a Security Group for connecting to linux instances. I've created "anywhere" rules for HTTP ...
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1answer
19 views

Assign Elastic IP to VPC EC2 instance on boot

I have a script that uses ec2-associate-address that I have set in a cron job to run on boot. The idea is to use this instance as a spot instance that will automatically get its public IP assigned on ...
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2answers
35 views

Secure EC2 instance from logging without .pem file

I see here and here (under Connecting to Your Linux Instance if You Lose Your Private Key) ways to access EC2 instance without a .pem file that was created when the instance was created. I would like ...
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1answer
29 views

NAT TCP/UDP Connections With iptables on AWS

So I've got 2 instances on AWS set up so I can SSH into them directly (A, B) from my home machine C. But I want to set up box A so that I can forward certain UDP and TCP connections from it to box B. ...
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1answer
24 views

Elastic Beanstalk .ebextensions config script not running on Windows deployment

I have a Microsoft ASP.NET app that I am deploying successfully via Elastic Beanstalk to a server. However, I am trying to run a few config files under the .ebextensions in order to set up certain ...
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0answers
42 views

AWS RDS db.t2 instance performance thresholds & monitoring

We have been rolling out a standard web server configuration for mainstream CMS software like Drupal & WordPress, with the server & storage on EC2 / EBS and the database for those software ...
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0answers
20 views

i cannot access my amazon ec2 instance by visiting ip address or dns (associated with it) of the instance

Good Day. I cannot access my amazon Ec2 instance from browser by visiting its domain or elastic ip. Ec2 instance is running properly and i have checked it security group as well. I dont know what to ...
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2answers
25 views

How to get the public DNS of an instance from another instance?

Suppose I have launched 5 EC2 instances. What is the easiest way to get the DNS and ip's of all the instances from a particular instance's terminal?
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0answers
3 views

How can I set akamai failover configuration?

I am using akamai for our cdn(for static and some dynamic contents). I want to use failover configuration over akamai. In code level I am running a service which work as asynchronously for response ...
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0answers
18 views

IPSec Tunnel AWS VPC <-> openSwan CentOS 6.6 Tunnel up, no traffic

I managed to get a tunnel up between a CentOS 6.6 box and our AWS VPC. It shows as connected on the box, and in AWS, but the problem is routing the traffic from the server. Everything I've tried ...
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0answers
13 views

AWS and security groups as inbound

I would like to do the following but it never works: nginx load-balancer ec2 server (sec group sg-1111) inbound - port:80 - all traffic application ec2 server inbound - port:9000 - sec group sg-1111 ...
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10 views

AWS AMI Add “create volume” permissions to the following associated snapshots when creating permissions

What does the significance of the Add "create volume" permissions to the following associated snapshots when creating permissions indicate when we share an AMI to a different account ? Can this be ...
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1answer
30 views

ec2-automate-backup-awscli.sh - Purging is not working?

I have recently implemented a script that creates snapshots of my volumes. I run this script via a cron job which works very well except for the part that deletes snapshots. When I run the command to ...
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1answer
41 views

What do the default opsworks cookbooks actually do?

The company I'm working for is making a move to AWS and so I've been given the opportunity to start investigating the various services they provide. OpsWorks looks really go for rolling out mass ...
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3answers
36 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 ...
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1answer
20 views

Host entry not working with an elastic ip on aws ec2 instance

I've set up Magento web on an aws ec2 instance for development & testing. I was able to access it by putting a host entry on my local machine using the public IP. But then I changed it to an ...
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2answers
19 views

AWS create an alias for my EC2 instance IP

I'm not expert in anything related with networks. I've reasearched through Internet but I'm not able to get with the solution for what I need. It's simple. I've bought a domain in GoDaddy.com and ...
3
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1answer
58 views

How does nginx distribute traffic among IPs associated with an upstream DNS name?

With this configuration: upstream some_upstream { server some-elb.us-east-1.elb.amazonaws.com:80; } If some-elb.us-east-1.elb.amazonaws.com maps to 2 IP addresses, how will nginx distribute ...
2
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1answer
21 views

AWS EC2 snapshots - how long should they be retained? [closed]

How long should daily EBS-backed EC2 snapshots be retained? We're using ec2-automate-backup to backup (daily) two EBS volumes - OS and data - pertaining to a web application. If I've understood, in ...
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0answers
20 views

How to set up load balanced Ejabberd servers on multiple EC2 instances?

I have no problem setting up clustered Ejabberds on private network but I cannot figure out how to set up load balanced Ejabberd servers on multiple EC2 instances. I basically want to have two EC2 ...
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0answers
18 views

what is the correct runlevel for “Stop” in ec2?

I am trying to make a script to gracefully shutdown some application servers, I put the scripts in /etc/rc0.d but when I stop the ec2 instance on amazon, it won't call my script. what is the correct ...
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0answers
26 views

AWS EC2 Ubuntu Server /etc directory Permission Change Accidentally

I have Amazon EC2 instance with EBS backed Volume.yesterday accidental change my /etc directory to chmod -R 777 .Now all the things stuck and then i create a new instance by taking it's AMI but still ...
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1answer
42 views

Use Apt Inside AWS VPC Without NAT Instance

I have several Ubuntu machines inside VPCs. For many of them, the only network access they need whatsoever is for "apt-get update && apt-get upgrade" and NTP. For NTP, I can simply have an NTP ...
0
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1answer
12 views

AWS forward request between private instances

I have a public subnet holding AWS ELB which forward its requests to a private EC2 instance. Is there a way I can forward the request from my private EC2 request to another private EC2 instance? In ...
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1answer
36 views

How best way to rsync from aws s3 to gcloud?

I must execute a rsync ( not only copy or move ) from all my buckets from s3 to google cloud. I need create the same infraestructure of s3 to google. I have like 2Tera in s3, and all days I receive ...
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1answer
16 views

Amazon AWS EC2 transaction/event log?

If someone terminates an instance, is there a log kept that would show when and what the instance ID and tag/name was?
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28 views

Load balancer DNS Setting in AWS [closed]

I am very new to AWS. I installed zimbra server in EC2 instance and created a load balancer for auto scaling policy. I registered my DNS on net4u.in as my public DNS server. After creating load ...
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1answer
38 views

How can I use the apache2 cookbook from supermarket.chef.io in AWS OpsWorks?

I have a cookbook that is setting up some simple apache configuration and I am using the apache2 cookbook from SuperMarket. I'm trying to run my cookbook's recipes using AWS OpsWorks with Chef ...
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0answers
34 views

AWS security group egress rules for S3

I manually created a new security group using the AWS CLI. I created ingress rules that allow incoming connections only from my company's public IP address using the known ports for SSH (22) and ...
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1answer
21 views

EC2 connectivity with EBS

I am new to AWS this might sound like a weird question.My question is when I try to create a new EBS volume and try to attach it with running EC2 instance,The connectivity between two(EC2 instance --> ...
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0answers
23 views

what happens if a file is modified while it is being copied over the network?

A bit of background... We run Redis on several EC2 machines running the Amazon Linux distro (seems to be based on Centos to me) and currently utilize both the RDB and AOF backups. These files are ...