Tagged Questions

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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1answer
22 views

Can't give access to all servers belonging to a security group in AWS

My current structure 1 instance in a VPC set up with an Auto Scaling Group. 1 instance in same VPC with HaProxy load balancer routing MySQL traffic to RDS instances (in same VPC) I have tested and ...
0
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1answer
23 views

What should an s3 end point look like when configuring an ALIAS record in Route53?

I'm trying to point my root domain to an s3 bucket that redirects to www.mywebsite.com. However, when I try to configure my ALIAS record to point an s3 endpoint, the only endpoint that the dialogue ...
-1
votes
1answer
35 views

Can you explain “Did you mess with /etc/fstab before rebooting” [duplicate]

I have struggle with AWS EC2 ubuntu server ssh connection refuse. After I wrote mount path on /etc/fstab and reboot, I can`t access the instance. I found your comment at Amazon EC2 - No SSH After ...
0
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1answer
30 views

Using Webdriver with Chrome — missing Shared Libraries

I am trying to run webdriver, but I keep getting the following error: [ec2-user@ip-172-30-0-41 ~]$ sudo ./chromedriver ./chromedriver: error while loading shared libraries: libgconf-2.so.4: cannot ...
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2answers
57 views

Knife can't ssh into newly instantiated EC2 server

I just set up a new Chef environment as I'm currently expanding my knowledge of Chef. I have a Key Pair set up on EC2, I have my Knife configuration set up. When I attempt to spawn a server, the node ...
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0answers
29 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 ...
1
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2answers
31 views

chef: how do I reboot a node only if a confg file is modified

ENVIRONMENT: aws opsworks chef 11.10 and ubuntu 14.04. I'm using a chef recipe to update the /etc/dhcp/dhclient.conf file on an aws opsworks ec2 node in order to add my custom dns search suffix to ...
0
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2answers
31 views

EC2 Dedicated Instances

Why would I ever choose to use an EC2 dedicated instances as opposed to a non dedicated instance? You have to pay $2/hour/region if you have any dedicated hosts in that region AND the costs per ...
1
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1answer
30 views

Availability Zone for Elastic Block Storage

If the Availability Zone for an Elastic Block Storage (EBS) volume is us-east-1c, can I mount it on an instance in us-east-1a? If not, what is the best way to migrate the volume?
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0answers
22 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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0answers
21 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 ...
0
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1answer
25 views

Amazon RDS replication with external slave

I've recently configured a replication with an external MySQL master and RDS as slave but now I need to reverse that config and use RDS as master and the other instance as slave. Actually I use a vpn ...
0
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0answers
8 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: ...
1
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1answer
53 views

How to edit domain's nameservers when no service “takes responsibility”?

I think I may have made a mistake when migrating my DreamHost registered domain to Amazon's Route 53 service. I didn't modify the DNS settings on DreamHost's end during the migration. So now, my ...
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0answers
32 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) ...
0
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1answer
20 views

How to figure out which EC2 instance an EBS Volume went with?

I discovered a few unattached, mystery EBS volumes in my AWS Console. I suspect these are leftovers from some test EC2 instances I had that I may have not noticed were NOT set to delete the volume ...
0
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1answer
36 views

Passive ftp connection issue for aws/pure-ftpd

I have a centos server running pure-ftp via aws. I have configured PureDB and added a user with correct permissions. I have opened up inbound ports 20/21 and 49152-65534 within the aws security group ...
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0answers
20 views

aws instance froze, how to find out what went wrong

So we have a instance on AWS that runs CouchDB which was down and not accessible until we rebooted the box (which took a long time). The instance is back up now and I am trying to figure out what ...
0
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1answer
26 views

aws ec2 and Django ALLOWED_HOSTS

I have put in place my website using Django, on aws EC2, using Elastic Beanstalk. I have set the ALLOWED_HOSTS to ['www.mydomain.fr', '.mydomain.fr'], as recommanded on the Django website. But I ...
0
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0answers
13 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 ...
0
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1answer
28 views

What name to use when communicating between AWS subnets

I've been googling this all day and can't quite figure it out. I'm trying to setup a multi-tier application in an AWS VPC, but I'm pretty a rookie at large system network architecture. I'm going to be ...
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0answers
17 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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0answers
26 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 ...
0
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1answer
32 views

Can I use Amazon Route 53 for DNS Round Robin without a custom domain name?

I want to use Route 53 to experiment with DNS Round Robin load balancing of several EC2 instances. Can I do this without having/using a custom domain name?
1
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1answer
28 views

What is the advantage of using a NAT plus private sub-net on AWS vs a public sub-net with locked down security groups and ACL?

My Scenario: I have an SQS queue with an auto-scaling group of EC2 workers processing messages from the queue into a database in a different region. Implied Networking Needs for EC2 Workers: Access ...
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0answers
39 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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0answers
41 views

Amazon AWS connection issues

I have a strange issue with my Amazon EC2 instance. I have created the following: m3.medium instance hosted in the Amazon cloud This instance runs the following a. Apache Tomcat application server ...
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2answers
66 views

Never miss a HTTP post [closed]

I have a webservice that have a couple of "machine" clients connected to it that does HTTP post with data once in a while. The nature of the service is that I cant allow the service to loose a single ...
1
vote
1answer
32 views

Elastic Beanstalk auto scaling is adding nodes before moving app from ondeck to current

When the autoscaling rules in my group trigger the deployment of a new EC2 instance, or for example I change the instance size to simulate the behaviour the node is deployed but it is added to the ...
1
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0answers
19 views

How are autoscaling group termination policies combined?

When creating an autoscaling group I can choose an ordered list of termination policies for its instances. Amazon's documentation states that You can use these policies individually, or combine ...
1
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2answers
78 views

Chef: How do I access AWS “opsworks attributes” on an ec2 instance?

I'd like to use a chef-shell session on an aws opsworks ec2 server so I can test some environment and instance specific code I'd like to include in a custom recipe. For example, I'd like to see the ...
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0answers
19 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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votes
1answer
51 views

EC2 Break even point analysis [duplicate]

I'm doing capacity planning for my DR site and i'm trying to understand break-even point for Light/Medium/Heavy reserved instances vs the Ondemand. I have plotted my values on a graph as shown in the ...
0
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2answers
48 views

Why does postfix on AWS give me “Invalid MAIL FROM address provided”? I have production access

I'm running the postfix mail server on my AWS box. My domain is mydomain.com. I have set up virtual mapping such that emails sent myuser@mydomain.com should be forwarded to target-user@gmail.com.com. ...
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0answers
13 views

Grant CloudWatch Full Access to IAM role for specific namespace

Could not find this in the documentation anywhere — let's say I want to allow an IAM role to have full CloudWatch access but only for a single namespace of my choosing. Is this possible?
0
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1answer
36 views

New domain on aws elastic beanstalk

I have a nodejs app running on elastic beanstalk. I have a domain registered through GoDaddy and a cname that points to myapp.elasticbeanstalk.com. Can I point my domain to aws nameservers, instead ...
3
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0answers
51 views

Does AWS Elastic Beanstalk Swap Environment Url swaps environments for git push?

I have read the docs for zero downtime on aws but cant seem to understand what happens in this scenario? I have a environment running in production called 'red' I duplicate the environment as 'blue' ...
1
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2answers
49 views

How do I tag an Elastic Beanstalk environment when creating it with the “eb start” command line utility?

In May AWS introduced the ability to tag elastic beanstalk environments. We can't figure out how to tag an elastic beanstalk environment when we create it using "eb start." We use the "eb command ...
0
votes
1answer
31 views

Amazon Zocalo with Active Directory - can't login

I just setup a Zocalo site for my company using the active directory connect option. The Domain Controller we are connecting to is in an AWS VPC. I setup the zocalo site fine and it says active, but ...
0
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0answers
25 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 ...
0
votes
1answer
53 views

aws elasticbeanstalk with static public ip

For a new web application I am looking at AWS ElasticBeanstalk. I like its auto-balancing and auto-rolling updates' system as well as all the other scaling-related features. But.. I need a static IP ...
1
vote
1answer
15 views

Datastax Opscenter 5.0: Getting “InvalidGroup.NotFound” when adding node via AWS

I am getting an "InvalidGroup.NotFound" when trying to add an additional node to my cluster through OpsCenter via AWS. The existing node running OpsCenter is in the VPC and is already using the ...
0
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0answers
11 views

No key pair attached to the EC2 instance created by ElasticBeanstalk

After I create an application by ElasticBeanstalk, I found the key pair is not attached to the EC2 instance so that I can't access it through SSH or SFTP. Is there a way to attached a key pair for ...
0
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2answers
125 views

Why can't I send/receive emails from AWS Ubuntu using Postfix?

I'm trying to send/receive emails on my AWS Ubuntu box. To do so, I'm following the instructions posted by Amazon here. (I skipped the section entitled "To configure integration using a secure ...
0
votes
1answer
96 views

Where to start? Multiple Websites, same IP and port, same SSL, on Apache 2.4, Ubuntu, EC2, behind AWS ELB?

Current Situation: My company runs a number of individual EC2 instances hosting unique websites using multiple subdomains off of a common top-level domain. (abc.foo.com, and def.foo.com, for example). ...
0
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1answer
57 views

OpenVPN connection issue

After I successfully connect to the VPN, a TLS handshake that I believe is done for the ping (keep alive parameter) always fails, so I keep getting disconnected after a random period of time. My ...
1
vote
1answer
39 views

How to set up 2 domain name pointing to 2 different folders on the same server?

I have 2 domain names registered. I also have 1 server at AWS. (running Ubuntu) I would like to host 2 websites on my server but have no clue how to do it. I have two directories /var/www/alpha and ...
0
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0answers
52 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 ...
0
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0answers
137 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 ...
0
votes
1answer
26 views

Switch between AWS Beanstalk accounts through the command line

I'm trying to deploy my application through AWS Beanstalk service. I have one environment setup for staging in account A and a different production environment in Account B. Is there a way to switch ...