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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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Error code 0x8007000d for any .NET IIS web app on an EC2

I'm trying to learn deployment of .NET web apps on Amazon EC2. I've created a template Blazor Server project targeting .NET7, published it in Release mode to a folder. After that, I uploaded all the ...
Val's user avatar
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25 views

Deploy a ReactJS Application to AWS EC2 Instance using AWS CodePipeline

I am trying to deploy a simple React JS app onto Ubuntu EC2 instance through AWS CodePipeline. I am using the following code in the appspec.yml file: # This is an appspec.yml template file for use ...
Ahmad Qayyum's user avatar
2 votes
0 answers
58 views

How to deploy dockerized MERN stack app on AWS EC2 instance?

I dockerized my MERN stack app (Next js, node js, MongoDB) and tried to deploy it on the AWS EC2 instance. When I try to access my backend on port 5000 via AWS Public IP, it works fine but when I try ...
Rana Faraz's user avatar
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1 answer
38 views

How to design AWS infrastructure for my online course selling website?

I am designing an AWS architecture for hosting a website that sells online courses and merchandise products. For the purpose, I am planning to use the following architecture design: 1 VPC 1 ...
meDeepakJain's user avatar
1 vote
1 answer
162 views

Beginner Uptime Calculations Based on ELB?

Is there a clear way to calculate starting uptime metrics from AWS ELB? I need to start running uptime calculations. I'd like to start by just using AWS services for monitoring the uptime and then ...
Josiah's user avatar
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0 answers
48 views

Load balancing between Slurm clusters

What strategy of load balancing in k8s would be recommended between Slurm (think SGE) clusters? The reason I raise this is Slurm has a Pythonic API governing the queuing system. Information can freely ...
M__'s user avatar
  • 101
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1 answer
30 views

EC2 instances cannot connect over Elastic IPs

I have 2 EC2 instances and I am trying to get them to connect over port 44874 (it's a layer 1 cryptocurrency like dogecoind). Both are running Ubuntu 22.04 AMI Both are in the same subnet Both are in ...
david2278's user avatar
  • 101
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1 answer
157 views

How to scrape only some targets of EC2 based on tag

I have a requirement, where I have enabled NGINX metrics and I am trying to plot metrics with Prometheus. I am trying to plot metrics for NGINX EC2 server which has a tag named test=nginx or by ...
Siva Malla's user avatar
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23 views

Where are all these requests made by pods going to in a RKE2 kubernetes cluster?

I'm using tcpdump in my nodes to track all requests/connections made from pods and I noticed there's a lot of entries going to addresses like the ones below. They clearly belong to something in the ...
rasco22862's user avatar
0 votes
1 answer
18 views

Why does AWS wrap roles with instance profiles?

In AWS EC2, a machine is assigned privileges using instance profiles. Specifically: the desired permissions are articulated as an IAM policy, that policy is attached to an IAM role, that role is ...
benjimin's user avatar
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2 answers
611 views

why does my Ansible playbook throw "Found existing installation: requests 2.25.1\n\n:stderr:ERROR: Cannot uninstall requests 2.25.1"?

I'm trying to run an ansible playbook that installs docker and docker-compose and runs a compose file on a ec2 t2.micro. To use the docker modules in ansible, I need to have docker and docker-compose ...
Keshav Singh N's user avatar
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1 answer
113 views

Number EC2 instances required for tasks

Let's say I want to place my tasks on EC2 instances of type m6i.large, which has 2 vCPU and 8GB of memory. I have 10 ECS tasks, each requiring 512 mCPU and 512MB of memory. How many EC2 instances do I ...
Code Different's user avatar
0 votes
1 answer
244 views

How to verify the time zone change is correct on AWS EC2 using Ansible?

We can use the following code to set a new timezone on AWS EC2 using Ansible. --- - hosts: linuxservers proxmoxservers remote_user: ansible become: yes tasks: - name: 'Set timezone to Buenos ...
Biju's user avatar
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2 answers
667 views

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 ...
froxpotatoes's user avatar
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1 answer
138 views

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 ...
Chris F's user avatar
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1 vote
1 answer
131 views

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? ...
Tim's user avatar
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1 vote
1 answer
64 views

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 ...
Tim's user avatar
  • 131
1 vote
1 answer
979 views

Cloudformation template with EC2 using docker compose [closed]

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 ...
kvnam's user avatar
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0 votes
2 answers
92 views

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 ...
DevOpsBeginner's user avatar
1 vote
1 answer
230 views

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 ...
Ankur's user avatar
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0 votes
1 answer
103 views

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) ...
Mark Robinson's user avatar
0 votes
1 answer
117 views

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 = { ...
Vizeet Srivastava's user avatar
3 votes
1 answer
506 views

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?
boardrider's user avatar
2 votes
1 answer
2k views

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 ...
Omar Shazly's user avatar
0 votes
1 answer
188 views

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 ...
Kamal Panhwar's user avatar
1 vote
1 answer
520 views

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....
Vizeet Srivastava's user avatar
1 vote
1 answer
31 views

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....
Eugene's user avatar
  • 113
1 vote
1 answer
1k views

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 ...
Aks's user avatar
  • 111
2 votes
1 answer
40 views

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,...
x-yuri's user avatar
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2 votes
0 answers
713 views

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 ...
mars's user avatar
  • 21
0 votes
1 answer
1k views

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?
AV Reddy's user avatar
2 votes
1 answer
712 views

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 ...
Santosh Kumar's user avatar
1 vote
2 answers
3k 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-...
Biju's user avatar
  • 255
1 vote
1 answer
1k views

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 ...
AndrewGentry's user avatar
1 vote
1 answer
256 views

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 ...
Marcin Warzybok's user avatar
2 votes
1 answer
676 views

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, ...
RichardM's user avatar
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1 vote
2 answers
628 views

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 ...
Yash's user avatar
  • 33
3 votes
3 answers
220 views

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 ...
mr L's user avatar
  • 131
1 vote
1 answer
72 views

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: ...
kwj2104's user avatar
  • 13
1 vote
1 answer
1k 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 ...
Clinton's user avatar
  • 111
0 votes
1 answer
480 views

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 ...
Mukul Kumar Jha's user avatar
1 vote
2 answers
993 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 ...
Arghya's user avatar
  • 43
0 votes
1 answer
277 views

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 ...
Thunder Rabbit's user avatar
1 vote
1 answer
314 views

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 ...
Biju's user avatar
  • 255
3 votes
1 answer
2k views

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 ...
Biju's user avatar
  • 255
0 votes
1 answer
185 views

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 ...
Saravanan's user avatar
  • 113
1 vote
1 answer
853 views

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 ...
Life5ign's user avatar
  • 160
1 vote
1 answer
308 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 ...
Felix Eklöf's user avatar
0 votes
2 answers
229 views

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 ...
Second2None's user avatar
1 vote
1 answer
48 views

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 ...
Shafayet Rahat's user avatar