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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12 views

Alerts for instance replacement by EC2

I am looking for a way to streamline data from AWS for replaced ElasticBeanstalk instances into Prometheus and alert on it, I can't find the way to do that yet.
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1answer
11 views

How to fail stack when EC2 spot is refused?

I'm using AWS Cloudformation to create EC2 spot instance (with block duration). In order to do this in cloudformation I'm using a Launch Template where spot configuration is set. Then my ...
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30 views

kubernetes service's dns not resolved inside cluster

i have setup a Service on my cluster, but can access it from pods only with the ip:port that are specified in the "Endpoints:" of the service. Instead i would like to use my-service.default.svc....
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1answer
13 views

Can't get P3 spot instance on AWS

I'm new to aws-ec2. I'd like to make spot request for a p3.2xlarge instance in my local region (EU-Ireland) to benchmark V100 Tesla GPUs against my home GPU for deep learning. I have already ...
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1answer
13 views

Spot block vs reserved instances

Let's say we have a continuous process where each two hours we receive some data which has to be analysed by a fleet of workers on AWS EC2 instances which always complete their job within two hours (...
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18 views

Install and configure libreoffice online docker image on ubuntu 16

I have downloaded libre office online docker image from docker hub and type the necessary commands to run it.If I type docker ps I can see container is there.But I want to know how I can get the libre ...
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1answer
53 views

AWS Site crashes every few hours

Every few hours, my Laravel website on AWS Elastic Beanstalk crashes and throws the following error: [Sun May 19 13:06:13.436195 2019] [php7:error] [pid 3431] [client] PHP Fatal error: require(): ...
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5 views

ElasticBeanstalk - best way to keep EC2 instances stopped at specific time frames?

ElasticBeanstalk - how to keep EC2 instances stopped at specific time frames? Like Sunday/Saturday. Is the only way using automation on cron or there is something else?
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1answer
14 views

Why does Docker fail to start on AWS ECS instances. ECS stateful instance fails initialization. ECS stateful instance doesn't join the ECS cluster

The ECS instance fails to join the ECS cluster because it relies on docker to launch its ecs agent. If in this case docker fails to start then the whole process halts. Docker fails to start in AWS ...
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14 views

How to connect to a server tunneling through multiple servers using Winscp?

I am having a website on Amazon. It is set up in such a way that I can connect to the production server only through two other servers. Here is the order. Pre-bastion > Bastion > Production Where ...
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1answer
15 views

AWS instance store volume - Create volume when instance is stopped/started thru SystemD(centos)

have an instance store volume(faster/cheaper) which we would like to create a volume(mkfs) when the instance is stopped and started via systemd. Is the best way for this is to have a shell script and ...
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1answer
25 views

Cross account access from ec2 to other accounts

Is it possible to run aws cli from ec2 to create some resources in another account without using aws_secret_key and aws_access_key?
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12 views

How react server will contact node server through private IP

I already asked this Question on stackoverflow but not getting any success. Some One suggest me that there is a devOPS Community which help regarding this query. I am attaching the link which I ...
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1answer
42 views

How can I access the console of a booting EC2 instance in AWS?

I'm new to AWS and am looking for a way to access my EC2's console so I can triage issues such: boot to single user mode view console output as system boots gain console access to debug GRUB issues
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1answer
19 views

compiled opencv copy to another host

Every time I spawn a new host I need to compile OpenCV on Ubuntu following official manual. The problem is that it takes about 20-30 minutes depends on the VM type. Is it somehow possible to store the ...
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31 views

How to use ecs service dicovery

I'm trying to use amazon service discovery to register a Redis server in order to be reachable by other ECS services in the same cluster. I'm using EC2 to deploy my services not Fargate, so service ...
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74 views

Working with ConfigSets in AWS::CloudFormation::Init

I added a AWS::CloudFormation::Init section in my EC2 instance stack. The full stack is at pastebin. When the command /usr/local/bin/cfn-init -v --configsets default --stack ${AWS::StackName} --...
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2answers
81 views

What is the cheapest way to get CI for a Qt project?

To build up my portfolio I'm writing an application to showcase all the best practices I'm aware of, including unit tests and continuous integration. The project was originally started in C++, and I ...
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1answer
16 views

How to make Load balancer to wait for custom program to finish running?

I have a problem I am trying to solve. When the auto scaling creates a new EC2 instance, the load balancer gets a positive health check result fairly quickly. However, the problem is that we have a ...
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1answer
44 views

How to securely pass sensitive data to EC2 Spot instances?

Right now, we only use EC2 on-demand instances, and we provision sensitive data (credentials, private keys, etc.) on the instances' EBS which are encrypted with a KMS key. My understanding is that I ...
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8 views

GuardDuty Default severities are they static values

looking to deploy Guardduty and I not the the AWS doc have a default severity for each finding Low-Medium-High, I'm assuming these default severity map directly to: High:7.0 to 8.9 range Medium:4.0 to ...
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1answer
131 views

ansible aws windows ec2 - Internal Error: this connection module does not support running commands via sudo

I am getting below error when I am trying to run one playbook which connects to Windows machine hosted on AWS EC2. I enabled winrm and win_ping worked fine but when I am invoking ansible-playbook I am ...
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1answer
102 views

How to pass HashiCorp Vault secrets(k/v passwords) to Terraform EC2 instance

How can we pass HashiCorp Vault secrets, k/v username/password and feed Terraform while its creating Ec2 instance. For example, i don't want to use in plain text variable "myvariable" { default = "...
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1answer
263 views

How to re-enable RDP on AWS-EC2 instance

Accidentally i disabled RDP on EC2 windows machine and now I am not able to access it via RDP, Is there any way to re-enable RDP service on EC2 instance?
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323 views

How to override the user for ECS task via CLI?

I've got a Task Definition with parameters which executes a script using a regular user. I'd like to test the script without changing the Task Definition by overriding the default user which script ...
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2answers
175 views

Is containerized deployment of jenkins on ECS better than running jenkins inside EC2 instance to secure pipeline information?

I am new to AWS, docker and jenkins. I want to run a jenkins build pipeline and I have tried using following two ways on AWS: Running jenkins inside the EC2 instance following the steps at this AWS ...
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1answer
31 views

Can I check whether ansible is on last batch of rolling update (serial: 25%)?

I'm using Ansible to update a pool of EC2 servers with a rolling update, in batches of 25%. In between batches, I'm pausing long enough for the server health checks to start to pass again (since they'...
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2answers
431 views

Transfer files and execute commands from jenkins scripted pipeline to AWS instance

I want to transfer files and execute a few commands on remote AWS instance from Jenkins. I have the following methods in mind to do the same. Note that my Jenkins server is running in the local server,...
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1answer
32 views

How does Django deployments happen on Servers?

I started learning Django six months ago and I really really loved it. I learnt how to deploy the django projects to EC2 instances. Basically 1st time when the django project is deployed to EC2, ...
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0answers
22 views

How do I get Jenkins to work in a Docker container without modifying a directory on the Docker host?

I am using RHEL 7.x in AWS. I have Docker 1.13 installed. I checked a variety of ports and no firewall (or Security Group) seems to be blocking network connectivity on the EC-2 host. I tried this ...
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19 views

How to spawn on-demand cloud batches with GitLab similar to Jenkins EC2 plugin?

While you need your build agents/slaves just to execute a build, infrastructure as code allows you to get disposable build/test machines which thus require zero maintenance on demand. For example, if ...
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4answers
103 views

Digital Ocean vs AWS EC2 for Laravel based application

I'm working on a project based on Microservice architecture in Laravel, which means I'll have many small apps and Databases, I'm confused weather I should buy AWS EC2 or Digital Ocean's hosting. My ...
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1answer
56 views

Rancher, Load Balancing and own domain

I have a question about rancher. I'm running my rancher on aws. I have created a new cluster with two nodes (workers) and I have deployed my docker images. Now I wanted to add Load Balancer, but I don'...
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2answers
135 views

Best way to launch 100 identical Docker machines on AWS?

I need to do some large scale testing on a system. The system consists of 2 main parts: Manager and Nodes. There will be only one manager server, but 100 nodes. Both the manager and nodes are Docker ...
4
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1answer
423 views

AWS ECS/EKS: EC2 vs Fargate mode

Amazon offers the option of launching their container management services ECS and EKS in two modes: EC2 and Fargate. In the former, normal VMs (EC2 instances) are used and ECS or EKS (depending on ...
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326 views

ECS task fails to start when deploying Docker multi container App in Elastic beanstalk

I have a beanstalk application environment that use multi container docker instances.I have also pushed an image(simple app running a simple node js) to my ECR repository.But whenever i try to ...
3
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1answer
635 views

Why don't the instances in the auto-scaling group get assigned public ip addresses unless it's a default vpc?

I'm trying to migrate our deployment process over to aws code deploy (by following instructions here:https://pionect.nl/autoscaling-aws-laravel-codedeploy-opsworks-chef-automation/). When I'm ...
3
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1answer
66 views

Is running load balanced autoscale apps cheaper on AWS Kubernetes than just using EC2 resources?

We're running like 100+ servers on AWS EC2 with like 20 microservices all load balanced and autoscaled with 2 to 3 instances. The cost has become....very significant. I'm wondering if migrating ...
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1answer
17 views

I have an custom AMI and want to run certain config commands at initial boot, depending on the autoscale instance that starts it. How do I do this?

I have a custom AMI that contains the dependencies for several applications. The only difference between the applications is several configuration options that can be configured by a bash script. (i....
3
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1answer
167 views

AWS: Application vs Classic Load Balancer

My senario is this: I am using 2 EC2 instances which I want reachable via urls as follows: sub1.domain.com sub2.domain.com I am aware of the fact that AWS Application Load Balancers currently ...
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2answers
84 views

Why does amazon charge for free tier usage?

I have an issue with amazon free tier account, I have deployed two EC2 instances (1 linux and 1 windows) on amazon each having 30GB of storage which is permissible under free tier, these instances are ...
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0answers
112 views

ACM SSL certificate with Elastic Beanstalk

We switched from Comodo wild-card SSL CA to a free version from AWS through the Certificate Manager. The domain is registered on Namecheap and the only way we could get the website to route traffic ...
4
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1answer
237 views

Preventing an IAM user from overriding launch template parameters on RunInstance

I'm trying to set up an IAM policy that allows a user to run an instance (ec2:RunInstances), but only from a specific launch template - and without making any changes to that launch template's ...
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1answer
706 views

Make instance with newuser by terraform

I want to make new instance with "user1" rather than ec2-user(AWS) default.i want achieve this by terraform. Like in azure terraform it can be done by "os_profile{}", but how can i do in aws by ...
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1answer
37 views

Way to Connect to all ec2-instances one by one

Is there any way through which I can connect to all ec2-instances one by one through Python script to extract some server information from there. Please note that all ec2-instances lies behind a ...
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1answer
83 views

Amazon Web Service (AWS): Spot request active followed by cancelled terminating

5/31/2018, 5:21:51 PM fleetRequestChange cancelled 5/31/2018, 5:15:46 PM fleetRequestChange cancelled_terminating 5/31/2018, 5:15:46 PM fleetRequestChange active 5/31/2018, 5:15:...
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1answer
246 views

does boto3 have a way to get resource limits from a region?

Right now I am looking for ec2 instances type limits for a given region. I would like to put in place an audit script that tracks our usage vs our limits for a given set of things. Also open to ...
2
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1answer
1k views

How to set an existing IAM role to a new instance while spinning in terraform?

I am trying to attach an existing role created in AWS, but I am not able to add it in Terraform Code. I tried to add the role in instance profile but it didn't work either for me. Is there any direct ...
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1answer
644 views

Terraform: ignore_changes conditionally? (temporary EC2 instance public IP address)

I've got a couple of EC2 instances managed by Terraform, with public IP addresses in a VPC. With each Terraform run, I'm updating DNS records based on those public IPs. I don't need these instances ...
3
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1answer
72 views

Saving time on an EC2 instance

I have started playing around with AWS (privately). I have one free tier Amazon Linux 2 VM running right now, which serves a "fat" service (in a docker container) to myself and one other person. It ...