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Questions tagged [amazon-web-services]

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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failed to create: [MyElastiCache] when trying to add ElastiCache to Elastic Beanstalk deployment

I'm trying to add ElastiCache to my rails deployment on Elastic Beanstalk. I've followed the instructions, but am getting the following error when trying to deploy: Uploading: [#######################...
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0answers
15 views

Amazon EC2 Web Server not Serving Content

I was using an EC2 Ubuntu 16.04 Server instance that was working fine but I had to reboot it briefly and since then I have been unable to connect via HTTP/HTTPS or ping it. I can SSH in and Telnet ...
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1answer
14 views

How can you connect two Amazon VPCs through VPC peering if they are already configured with the network IPs?

According to AWS documentation you can connect up to 50 VPC through VPC peering but you have to make sure there's not IP overlapping so my questions here are: How can you come up with so many ...
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1answer
29 views

Am I waiting too long for propagation time?

I registered domain ending with reviews from AWS Route 53. And mix up with another cloud-based VM brand. I use Digital Ocean in this time. I put A record point to my IP address. And it has been 2 days ...
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1answer
20 views

Does VMware centralized supports image repository like OpenStack Glance?

Like OpenStack Glance or AWS AMI, Does VMware Vcenter provides any service for archiving the images.If not what's the recommend method in Vcentre/Esxi based Datacentre
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Can I change the user that runs a java Elastic Beanstalk app

I'm successfully running a Java app in Elastic Beanstalk. Is there anyway I can control the ID of the user that starts the app? It looks like it by default it's running as user webapp - I have no ...
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1answer
18 views

How do I reconnect my Amazon RDS database to my EC2 instance after restarting? [on hold]

I'm running a staging site through an EC2 instance which I stopped earlier tonight, without being aware that Amazon would give me a new IP address. I've already edited all my database info in my site ...
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0answers
18 views

EC2 ssh 'authenticity of host can not be established'

There are a lot of questions on ServerFault and StackOverflow about the problem of 'authenticity of host can not be established'. For instance: https://stackoverflow.com/questions/2360842/ec2-ssh-...
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10 views

AWS API Gateway/Route 53 working on 1 Base Path Mapping while giving the other a Missing Authentication Token error

I have my API Gateway hooked up to 2 Lambda expressions for the custom domain-name api.pyumipsum.com I then have it setup in Route 53 as a CNAME to api.pyumipsum.com But for some reason, anytime I ...
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0answers
13 views

AWS EC2 Connection timeout with Public DNS [on hold]

I setup ec2 for the first time. I have security group created with inbound from any to 80,443,53(DNS) and outbound rules for all. However, I am getting connection timed out. My public DNS is : ec2-...
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1answer
28 views

Can I add Centos or Redhat main repositories to Amazon Linux?

I’m trying to use AWS Cloud 9 for development, however it forces you to use Amazon Linux, instead of my familiar Ubuntu. The major limitation is the lack of available packages. Is it possible to add ...
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12 views

Get file content as a Terraform output

I have a Terraform configuration where I start a systemd service on an AWS EC2 instance. I need to grep that service's log and export it to be a Terraform output. When hello.service is started, it ...
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1answer
30 views

Losing database connection with high traffic on AWS - not sure where to start troubleshooting

I'm designing a highly available WP site on AWS using Elastic Beanstalk, and testing use load with a Locust. Everything looks alright: my EC2s are t2.mediums, auto scaled over 3-6 availability ...
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1answer
35 views

Synchronizing local Microsoft Exchange server with Amazon EC2 instance

We have Microsoft Exchange server running on local data center and we want to create EC2 replica and synchronize local and cloud instances, just in case local server goes down, to switch the traffic ...
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0answers
13 views

None of these Availability Zones contains a healthy target. Requests are being routed to all targets [on hold]

I want to deploy a docker container using Fargate. I created an ECS instance but when I put the DNS name in the browser I get 503 Service Temporarily Unavailable. How can I get health target ? ...
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1answer
24 views

Elasticbeanstalk Customize Nginx through ebextension

I have been literally all day fighting with this, I just need to increase the client_max_body_size in my Nginx Configuration. I have a tomcat configuration (custom ami) and I tried this so far. ...
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0answers
23 views

SSL implemation

So, i know we can enable SSL on the AWS Application load balancers. But the set up here is, the connections terminates on an on-prem f5 loadbalancer. The traffic is then routed to an internal(private) ...
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0answers
11 views

Openswan EC2 Instance Cannot Communicate: No route to host

We have a strongswan ec2 instance in AWS VPC. We are attempting to connect to a third party network, but we're getting this error: telnet 185.x.19.9 443 Trying 185.x.19.9... telnet: connect to ...
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2answers
39 views

Https not working on AWS EC2 with ssl certificate installed

I Have insatlled ssl on my aws but not able to load my site on https https://darkcloud.app (My site) Certificate load balancer Route 53 ubuntu@ip-172-31-8-134:~$ curl -v https://www.darkcloud.app ...
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0answers
13 views

Redirect ephemeral port to 80

I am starting in AWS and server management in general and just set up a deployment pipeline with ECS and some containers. My container : My host port is 0 and redirected to container port 4200 (...
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0answers
6 views

Modify datapoints value in cloudwatch alarm with cloudformation

The number of datapoints that must be breaching to trigger the alarm can be configured and its documented in the PutMetricAlarm API reference but it's missing from the CloudFormation docs. I tried to ...
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16 views

java.sql.SQLException: Driver:org.postgresql.Driver@******** returned null for URL:jdbc:postgresql://… --port=5432

I want to deploy a docker image with AWS. I use 2 services:RDS database(POSTGRESQL) and ECS as a container for the deployment. I can connect to the database using https://docs.aws.amazon.com/...
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0answers
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Pointing to ELB in Route53: A record (via ALIAS) vs CNAME

there is a weird problem with my application. A Classical Elastic Load Balancer sits in front of my application servers, which are EC2 instances. I point my sub-domain to the ELB in Route53. Case 1: ...
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0answers
29 views

503 Service Temporarily Unavailable AWS

I followed this tutorial https://medium.com/@remy.dewolf/aws-fargate-first-hands-on-experience-and-review-1b52fca2148e but in the end when I copy-paste the DNS name I get that the service is ...
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1answer
21 views

EC2 cant send SES mail behind an ELB

We run a wiki in an EC2 that sits behind an Elastic Load Balancer, the EC2 does not have a public IP and traffic from internet is routed to the ELB through Route53. We noticed that the wiki was not ...
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1answer
10 views

Create AWS Launch template from existing AWS EC2 instance of another account

How can I create an AWS Launch template from existing AWS EC2 instance of another AWS account? Something like if the account user can share his configuration file containing details such as AMI, ...
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1answer
14 views

Gerrit ssh users on EC2/ECS

I'm trying to deploy gerrit code review to AWS and am running into problems with trying to ssh in once it's deployed. When I've created a new user, what does work is SSH tunneling in like ssh -fNL ...
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0answers
16 views

further authentication required - aws ssh port forwarding

We are trying to use a Linux bastion host to connect to windows ec2 instances using putty. Pablo and ALex_hha gave a great explanation at Can we use Linux Bastion Server to connect to Windows instance ...
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1answer
23 views

Https not working on AWS EC2

I have website https://darkcloud.app which is giving me error "This site can’t be reached" but it works fine without https and google is forcing to redirect with https when i am on chrome .Please help ...
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1answer
44 views

Audit logs for RDS MySQL not appearing in CloudWatch

I've been trying to get a MySQL instance on Amazon's RDS to send logs to CloudWatch: in particular, both error logs and audit logs. Error logs work fine, they're appearing in CloudWatch, no issues at ...
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28 views

How to forward syslog from Palo Alto VM-series firewall in AWS

I'm attempting to get syslog events from a Palo Alto VM-series firewall in AWS, to a SIEM syslog server that also resides in AWS. It seems that Palo Alto has a partnership with splunk so they are ...
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1answer
54 views

What does new “S3 Increased Request Rate Performance” annoucement mean

On 17 July 2018 there was an official AWS announcement explaining that there is no longer any need to randomize the first characters of every S3 object key to achieve maximum performance: https://aws....
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1answer
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How to add Amazon's X-SES-CONFIGURATION-SET:ConfigSet to a my postfix mail server?

Question: Amazon shows an example on how to add their X-SES-CONFIGURATION-SET:ConfigSet to a single email. How do I add this to my postfix configuration so it uses it for all outgoing emails? Answer ...
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AWS: SES Rule: S3 Action: fails when choosing bucket that has encryption enabled

I can not create a SES rule to put emails into a S3 bucket that has encryption enabled (on the bucket). Created a bucket and enabled encryption. Add a SESPut bucket policy to allow SES. https://docs....
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1answer
20 views

AWS SES Encryption vs S3 bucket encryption

SES Configuration for a SES rule allows one to have the email be put into a S3 bucket. Under this configuration, the option "KMS Key" is available, which would have SES encrypt the email before ...
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1answer
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Install packages from internet for VPC with no outside access

Have a VPC with a private subnet. Inside the VPC, am looking to update latest Anaconda packages using Conda which involves downloading the latest updates from internet. Since my VPC has no internet ...
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20 views

Adding ACM SSL certificate to Load Balancer not working for EC2 instance

I have a Bitnami Wordpress EC2 instance. I want to add SSL certificate so that my blog can be accessed with https. I tried all the steps available in all the tutorials and AWS guide. Below is the ...
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Web Files Missing After AWS Migration [closed]

I am attempting to update a business website's files. The website has recently been migrated to an AWS EC2 Windows instance. I am connected by FTP using Filezilla but the web directory does not have ...
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0answers
36 views

Configure Nginx reverse proxy

I have setup a Linux AMI Node.js app with Nginx. App uses port 4100 for frontend and 3000 for backend. My frontend port 4100 works fine but I get an error for backend "'https://test.example.com/login' ...
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0answers
4 views

Hot to create a 'no http response' alarm in AWS CloudWatch?

I'm using Amazon CloudWatch in order to configure some alarms on my EC2 Intance. My main concern is the system downtime. I configure a Status Check for the server. However it seems that the 'status ...
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1answer
24 views

The requested URL was not found on this server

I am trying to enable SSL for port 4100 for an Amazon EC2 Instance. When I access the site https://test.example.com:4100/login, I get an error as follows - The requested URL /login was not found on ...
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25 views

This site can’t be reached- AWS-Jenkins Installation-Linux -RHEL-7

Installed jenkins on the aws ec-2 instance. added 8080 security rule for instance in network security groups. and the port 8080 is in listening state in the linux vm. # netstat -anp | grep :80 ...
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1answer
20 views

Scheduling EC2 Instances in AWS

I have an EC2 instance that I use rarely, so it spends a lot of time in a stopped state. Because it's using an elastic IP, I want to schedule a very brief start and stop command once an hour, to avoid ...
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24 views

Autoscaling cloud web applications- what method do people use to establish which metric is most suitable to scale off?

I understand with applications hosted in the Cloud, autoscaling is now a very popular method of ensuring applications can scale based on fluctuations load/work. From my reading, I know that most, if ...
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Creating VPN Config not available when selecting static vs BGP for device

Creating a second VPN connection that will attach to same VPG. The second VPN connection will need to use Static vs BGP. However, when I create the connection and select Download Configuration I ...
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0answers
87 views

Error importing VM to AWS : S3 key does not exist

I need to import a Gen2 Hyper-V machine to AWS and I'm following the document here: https://docs.aws.amazon.com/vm-import/latest/userguide/vmimport-image-import.html All works fine until I use this ...
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0answers
9 views

Destroy existing Terraform without tfstate

A developer set up AWS infrastructure on AWS. He then left, without sharing the tfstate file. We've only stored internal test data so far, so we'd like to tear down the existing infrastructure and ...
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2answers
18 views

ecs instances generated via Auto Scaling group not registering to ecs cluster

I have created an ECS cluster linked to an Autoscaling group with an Application load balancer attached. The Autoscaling deploys the instances, the AMI is correctly choosen (ECS optimized). for ...
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2answers
22 views

AWS EC2: Can't log into instance

A few days ago, I created a new key pair for a client's AWS EC2 instance. For some reason, I could no longer log in with the prior key pair I created. Immediately after creating a new SSH key pair, I ...
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2answers
210 views

Does it makes sense to configure iptables when you have configured AWS EC2 security groups?

We are using some Amazon EC2 instances with configured Security Groups (e.g. can SSH only from particular IPs -- sorry I cant post rules). Some time ago I checked iptables and it looked like there ...