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.
Questions tagged [amazon-web-services]
8595 questions
14
votes
2 answers
Can FindInMap return a list?
I'm using CloudFormation to deploy an ELB to a pre-existing VPC which has pre-existing Subnets. I've listed the subnets in a Mappings section of the template and select the mapping based on the Environment parameter. This works fine if the Mapping…
user3188040
- 307
- 1
- 3
- 8
14
votes
3 answers
Access Amazon S3 Static Website Through IPv6
I host a static website on Amazon S3 with DNS hosted on Amazon Route 53. I'd like my site to be accessible via IPv4 and IPv6 (because it's about time).
When I use the Route 53 AWS Management Console to add an A (IPv4) "Alias" record for my S3…
user101340
14
votes
1 answer
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 used for sharing an AMI to different account - but…
Naveen Vijay
- 390
- 6
- 18
14
votes
1 answer
How do I link a security group to my AWS RDS instance
I have a postgres db setup on RDS. It is running great. However, I want to link this to a set of autoscaled EC2 instances sitting behind an ELB that all reside in a single EC2 security group.
I've been told that it is possible to add a rule to…
nu everest
- 957
- 3
- 14
- 27
14
votes
5 answers
Accessing Amazon S3 from a private VPC subnet
If I have a VPC running and some servers located in the private portion of that network that do backend processing by downloading files from amazon s3, can I access S3 internally to get at those files? Or do I have to access the public internet via…
The Internet
- 503
- 2
- 8
- 19
14
votes
3 answers
Elastic Load Balancer for multiple webapps
I have N webapps. Each webapp is served by a different hostname in my domain and deployed to 2 instances running in AWS. In other words, I have 2N instances, divided into pairs which run N distinct webapps.
I'd like to set up a single AWS Elastic…
thesamet
- 317
- 1
- 2
- 7
14
votes
3 answers
Which permissions/policies for IAM role to be used with CloudWatch monitoring script
With CloudWatch monitoring script (mon-put-instance-data.pl) it's possible to specify a IAM role name to provide AWS credentials (--aws-iam-role=VALUE).
I'm creating a IAM role for this purpose (to run mon-put-instance-data.pl on an AWS instance),…
Céline Aussourd
- 600
- 1
- 5
- 14
14
votes
4 answers
Why doesn't the aws cloud formation install the packages that I specify?
I'm very new to the AWS services. I'm trying to use the AWS cloud formation and I created a template. The template is error free and I am able to create machines using that.
But I have added some config in the template such that it installs tomcat,…
batman
- 321
- 1
- 5
- 10
14
votes
3 answers
Why is uploading to S3 so slow?
I am using s3cmd to upload to S3:
# s3cmd put 1gb.bin s3://my-bucket/1gb.bin
1gb.bin -> s3://my-bucket/1gb.bin [1 of 1]
366706688 of 1073741824 34% in 371s 963.22 kB/s
I am uploading from Linode, which has an outgoing bandwidth cap of 50…
Tom Marthenal
- 2,116
- 7
- 25
- 37
14
votes
3 answers
Forcing CloudFront to pass-through the latest HTML file from S3
Background
I'm hosting a static site on S3, with CloudFront over the top. The issue I have is with my HTML files.
According to CloudFront's FAQ:
Amazon CloudFront uses these cache control headers to determine how
frequently it needs to check the…
isNaN1247
- 1,675
- 3
- 15
- 20
14
votes
3 answers
AWS - Assign an Elastic IP to a ELB
Is it possible to assign an Elastic IP to a Load Balancer?
Mark
- 452
- 5
- 13
14
votes
3 answers
EC2: multiple ssh keys for an instance?
Is it possible to create more than one private key to SSH into an EC2 instance? What's the general best practice for this? We have multiple users who need to SSH into the servers and distributing one key just does not work well. This does not allow…
imaginative
- 1,971
- 10
- 32
- 48
14
votes
4 answers
Amazon EC2 spot instances - is there a catch?
I needed to start a new EC2 instance today and decided to try out the new spot instances, where you can reduce your instance cost by bidding on the maximum per-hour price you're prepared to pay. Since today's spot price was only 3.5c / hour,…
gareth_bowles
- 9,127
- 9
- 34
- 42
14
votes
3 answers
What is the difference between AWS site-to-site VPN and AWS client VPN?
I know that site-to-site is using IPSec (layer 3), but client is using TLS (application layer). It seems like both are actually site to site vpns after reading articles/ docs online.
I guess the protocol (IPSec vs TLS) is their only difference,…
Ben Butterworth
- 562
- 5
- 12
13
votes
1 answer
Any drawbacks to AWS certificate manager wildcard certificates?
Let's say I'm using AWS Certificate Manager to get a certificate for example.com for use with AWS CloudFront. I can specify an alternate domain of www.example.com and point it to another CloudFront distribution in my DNS.
But AWS Certificate Manager…
Garret Wilson
- 174
- 3
- 15