Questions tagged [amazon-ec2]

For questions about using Amazon Elastic Compute Cloud in DevOps, including deploying, monitoring and scaling applications in EC2. For questions specifically about monitoring EC2 with [aws-cloudwatch] use that tag. For the EC2 container service use the [amazon-ecs] tag.

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Why is my AWS Application Load Balancer not exposing my Kubernetes service?

I am following a tutorial to set Kubernetes with an ingress managed service. The cluster is, 1 controller 2 worker Kubernetes cluster kubeadm built running Kubernetes v1.25.3 (latest at the time of ...
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How to fix volume space issue in EC2-Mac terminal?

I'm trying to install Xcode in my EC2-Mac terminal but getting the below error: .xip” can’t be expanded because the selected volume doesn’t have enough free space. Could anyone suggest to sort out ...
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DEX and Amazonn ALB Load Balancer Controller and Argo Workflows

I'm trying to build ALB -> Kube -> Dex using Load Balancer Controller. As a result, I have ALB with correctly binding instances into the target group, but the instance is Unhealthy. The load ...
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How to calculate the number of hours covered by EC2 Instance Savings Plans

We are using EC2 Saving Plans for some instances. In the bill, we see On Demand Linux Instance Hour (hrs) and usage covered by EC2 Instance Savings Plans (hrs). I wonder how we can calculate the usage ...
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Why is AWS ALB not talking to an ingress controller?

I'm taking TechnoWorld Kubernetes Administration class, where we learn to create a Kubernetes cluster from scratch using one Ubuntu EC2 for master node, and two Ubuntu EC2s for worker nodes. The ...
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What can Terraform be used to configure for hosting a web application?

I am new to Terraform. How can I use Terraform to configure EC2 instance for hosting a flask web application? Is it to configure a security group for the instance? How is that done in Terraform? ...
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Is it possible to log into a new EC2 instance for the first time using a non-default user?

After launching a EC2 instance, do I have to always log into the instance for the first time, by SSH with the default user for the image of the instance? Or is it possible to first time log into a new ...
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Cloudformation template with EC2 using docker compose

I'm relatively new to Cloudformation, and had a few questions about my template and best practices. I'm facing a few hurdles, and there is a lot of information out there, it's a bit overwhelming, so ...
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Terraform Throwing 'InvalidParameterValue' Address x.x.x.x does not fal within the subnet's address range.. it does

Having an issue with a Terraform deployment. I have a module that creates a network, and then another module that creates a series of ec2 instances. These servers are required to have specific IP ...
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Docker Compose on AWS

I have no experience with AWS and I would like to know what the best approach is when it comes to embedding an environment built using Docker Compose (a simple application with two services, API and ...
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AWS- How to estimate a server configuration for nginx load balancer?

What kind of parameters can be used to estimate how much memory and the number of CPU cores are required for a load balancer? I have a requirement to setup LB based on Nginx to route the traffic to ...
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How can I limit output bandwidth on a pod with k8s?

I am trying to limit the output of a pod. This issue was not resolved or fully explained here. Please help me understand what is meant by the following or an alternative solution Both kubenet and CNI ...
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How can I unevenly distribute pods across Instance Groups

What I'd like to do is distribute 10% of my pods to one instance group with the other 90% on the other group. I would like to experiment with using different AWS instance types (AMD, graviton, etc) ...
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Unable to connect from my local system to ec2 instance created by terraform script

Following is the source code: variable "ec2_instance_type_name" { type = string default = "t2.nano" } terraform { required_providers { aws = { ...
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1 answer
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What does the ASCII art on the Amazon Linux 2 AMI MOTD mean?

When logging in to an Amazon Linux EC2 instance, one is greeted by the following MOTD: What does this ASCII art try to convey?
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Terraform: Why is null_resource's remote-exec not connecting to aws_instance via SSH?

I've been going through answers to similar questions on this StackExchange and on StackOverflow and reading through documentations all day ... Here's the .tf file I'm executing: # defines the AWS ...
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Issue in running docker container on ecs

I am trying to run container on ecs but there is one specific image which is not running and give me error. I can see in docker container ec2 that image is pulled and it tried to run but it gave ...
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1 answer
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Unable to ssh into EC2 instance to the peered VPC which is in different region

It's a very simple setup in which there are two EC2 instances each in a different region but under the same account. Both are peered. Requester EC2 EC2Virginia has the following details: Public IP: 34....
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1 answer
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Create AWS SG and use it

I am trying to create a security group (SG) using Terraform and then use it for an AWS instance. My config looks like resource "aws_security_group" "my_sq" { vpc_id = aws_vpc....
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High AWS (EC2) while running Docker

I am trying to optimize an AWS account, based on cost explorer. My problems are the following: The daily cost is about 5-6 USD. It seems to be high. Currently 3 applications are running, using: - 3x ...
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What are the reasons AWS EC2 status check fails?

I have an instance on AWS free tier t3.micro. The problem I faced is suddenly my instance was not able to connect with other instances. I have checked on the dashboard and see that on the status check ...
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Should I expect EC2 instances to act up?

I recently had an issue with an EC2 instance. Briefly, the site was unavailable for 2 hours, a peak of CPU usage for no apparent reason, network traffic dropped close to 0, docker containers restarted,...
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After launching from AMI, how to make the AWS Instance to be able to retrieve metadata?

I have a Windows Server 2016 instance and I created a snapshot of it. And then I deleted the instance. Now, when I create AMI from that snapshot and launch instance from that AMI, I cannot decrypt the ...
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Parallel testing Desktop Win Ui 3 application delivered as .msix?

I'm looking for best solution to perform Appium (Windows application driver) UI Tests on WinUI3 Application in parallel. UI tests take control over mouse, so it's impossible to test more that one ...
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How to speed up environment loading on network drive?

Background: I have about 15 AWS EC2 instances running Windows. They each have local drives and share a single network drive. Each needs to be able to run certain in-development python tools from ...
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How can we setup the services in my EC2 instance to startup automatically on boot?

When ever I restart my EC2 instance I have to manually use the command systemctl start <service name > to start the service. Is there any option to automate this thing in the Linux platform?
2 votes
1 answer
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What are minimum permissions required for an IAM user to provision EC2 instances?

I want to provision an EC2 instance with Ansible. So for that purpose I want to create a separate IAM user to keep things clear. I can assign the full EC2 access to the user. But I don't want any ...
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1 answer
597 views

Where to get OS Hardening Scripts for CIS Hardening Standards?

CIS provides benchmarks for hardening OS on AWS CIS also provides images which meet their own benchmarks above These CIS images are available here - https://www.cisecurity.org/blog/everything-you-need-...
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How to mount EC2 intances to AWS EFS via Terraform [closed]

I'm trying to Terraform a few EC2 instances, and would like to automate the provisioning steps that involve mounting their filesystems to EFS. The commands to run this manually are as follows: $ sudo ...
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1 answer
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Gitlab (self hosted gitlab) pipeline fail when trying to fetch repository

I've setup own gitlab server on AWS EC2 Instance based on this image - https://aws.amazon.com/marketplace/pp/prodview-w6ykryurkesjq?ref_=aws-mp-console-subscription-detail and assign Elastic IP for ...
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Restricting one module for one tf file

So I have file called main.tf in which I am calling the existing module for iam_role, but in same main.tf I have called one more module for service_role but I want to restrict that service_role module ...
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Deployment with Docker tensorflow/serving fails when training the model on another machine

I'm following the Coursera TensorFlow Serving with Docker for Model Deployment course. You have to train a simple Tensorflow model and export it in Protobuf. tf.saved_model.save(model, path) Then you ...
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2 votes
1 answer
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How to configure EC2 inbound rules for GitHub Actions deploy

I have a GitHub Actions workflow to deploy a service to an EC2 instance. I have currently opened the SSH access to all IPs but I want to restrict this to IPs used by GitHub Actions runners. However, ...
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AWS EC2: RDP without exposing instance to public

I'm planning to use AWS EC2 instances for the development purpose of my web application. So, I will like to disable all the outbound ports except RDP(3389) port. The RDP port will only be open to a ...
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3 votes
3 answers
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Should I shut down the staging environment when the deployment test ends?

I have a small application deployed on an EC2 instance. I need a staging environment so I've thought of two choices: Deploy the same app again on the same instance, and that would be a staging ...
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1 vote
1 answer
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Common permissions for EC2 usage and VPC Security Groups in enterprise use

Context: Looking to create some software that acts as middleware to a user's AWS account, where the user will provide their cloud credentials, and have the software use their EC2 instances. Question: ...
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1 vote
1 answer
299 views

AWS: Restoring database snapshot to different environment

I've a webapp hosted on AWS. This has Electric Beanstalk, with EC2 and then a RDS Postgres database at the bottom. There's prod, UAT and staging environments and databases. I want to take a recent ...
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Setting up CircleCI to AWS EC2 for a simple node application deployment

I have a simple node application running on the EC2 instance, everything is working just fine and I want to integrate this application with CircleCI for the continuous deployment. I have been ...
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2 answers
451 views

Kubernetes etcd bootstrapping - couldn't find local name <name> in the initial cluster configuration

I followed kelsey Hightower's setting up kubernetes the hard way tutorial kubernetes the hard way on AWS Stuck on bootstrapping etcd on the first control plane node. There are 2 lines in the error ...
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How do I create a LAMP server via EC2 Image Builder?

I am trying to set up a resilient way to deploy our monolithic web app on an AWS EC2. My current setup uses Ansible to "manually" install the components for a LAMP server on the latest ...
1 vote
1 answer
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Do any services other than EC2s consume ip addresses in AWS?

SCENARIO: I am running out of free ips in my AWS subnets. I would like to talk to my infra team and request them to create new subnets. But they are asking me list of all ips I have consumed so far ...
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Is there a way to export details of all EC2s in an AWS account?

I am aware there's a Tag Editor in AWS Console which allows us to export details of all EC2s in an AWS account. However that list seems to be missing ami and operating system of the EC2. Is there a ...
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Is it possible to deploy RDS in multiple region in AWS with read and write replica

I have an application that I need to make it accessible across 4 regions, I saw blogs and other posts in the internet that speaks about the read replica of AWS RDS MySQL Server, is it possible to ...
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1 vote
1 answer
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ansible-playbook: how to dynamically, conditionally set a large deployment environment (variable space) in a playbook?

I am using an ansible playbook to deploy a php web application in aws. The deployment is repeated many times, with a different environment, for each customer. The different scenarios range from ...
1 vote
1 answer
223 views

How CircleCI, Terraform and AWS should interact in CI/CD Pipeline

I'm new to devops and I'm have a hard time finding resources to help me with this question. My Goal is to have an automated CI/CD pipeline to launch my project. Basically I have a GitHub repo with a ...
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How to get code onto aws ec2 instance using terraform and gitlabs

I've just started learning Terraform (utilizing the AWS provider) and I have managed to replicate our infrastructure which includes quite a few amazon web services. I can successfully deploy it and ...
1 vote
1 answer
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Cost minimization in aws parallel cluster

I'm new to aws cloud service. I have to create a parallel cluster in aws. So, I'm using aws parallel cluster. But the problem is, when creating a cluster the NAT gateway billing me when I'm not using ...
1 vote
2 answers
640 views

ansible & jinja2: How to reference JSON structure items whose keys are variables?

I am using ansible's community.aws.iam_server_certificate_info module to get information about a server certificate on aws ec2, and registering it as a variable "server_cert_info_result" ...
4 votes
2 answers
9k views

How do I use the remote-exec provisioner with Terraform?

I am using Terraform 0.14 and AWS. I am trying to write a .tf file that will invoke a remote-exec command via Terraform's provisioner. This code does not work: resource "aws_instance" "...
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1 answer
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how to set automatic git pull from bitbucket and complie project on ec2 instance create event with auto scaling

I have just started reading about AWS services. I have a project where the backend is created with Spring-Boot, front-end is created with React and PostgreSQL is used as database. Both backend and ...