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Amazon EC2 (Elastic Compute Cloud) is a web service that allows users to rent virtual computing capacity on which they can run their applications. Web service questions are on topic here only if the question is about the operating system or using a PC application hosted there. Otherwise, other ...

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Architecture for Video Rending using FFMPEG on ECS vs Lambda

I have written an AWS lambda function to use ffmpeg and render a image, and an audio clip into a mp4 video. That works, but I've been running into limitations of Lambda even with max memory and ...
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Is it safe to expose an AWS instance ID?

Context: My company has private API that we only expose to our our employees and vendors who need access to it. That being said there are a few parts of it that don't require login to view, namely the ...
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AWS EC2 - Storage gateway as local buffer solution? [on hold]

Is there an AWS solution that allows to use local instance SSD/NVME disks as storage but have it transparently backed up to EBS ? I have real issues with performance and cost. I pay more than 1000 ...
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How to kill java process running on multiple ec2 machines remotely [closed]

I have 3 different applications running in AWS under one AWS account with 3 ec2 instances each which mean I have 9 ec2 instances having 9 java process, how can I kill java process running in multiple ...
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When does ec2 switch between public DNS and public IP?

I have an application using Django, in Django config there is a list of ALLOWED_HOSTS. The application was working fine with the IP xxx.xxx.xxx.xxx in the ALLOWED_HOSTS list. It then threw the ...
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37 views

Why would a command line program need user input when it's not specified in the source code

Why would a program that is run from the command line wait for user input (pressing Enter) if it wasn't programmed to do so? I was using an AWS EC2 instance to run a computationally intensive program ...
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142 views

console-setup causes apt-get update to hang

I want to automatically install apache2 on my EC2 instance during first load. I am using the base Ubuntu 16.04 LTS image: ubuntuhttps://superuser.com/images/hvm-ssd/ubuntu-xenial-16.04-amd64-server-20180522 (ami-...
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How to find the IP address of my EC2 server?

We have a website running on aws ec2 instance. when i am trying to ping the website URL (www.x.com)it is showing different IP. Why It is not showing Elastic Ip/public IP of my EC2 instance.
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How could I list all users with admin priviledges on CentOS?

I did the following commands: sudoers users list: for USER in `cut -d: -f1 /etc/passwd`; do sudo -U $USER -l; done | egrep -A 1 'may run' users on root group: getent passwd | grep -ve 'nologin' ...
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55 views

Extracting system info in one go from ec2-instances

I have almost 150 ec2-instances in an account. I want to extract some system info from each instance. I am aware that I can individually login into each system and get the information using the ...
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unable to connect to AWS EC2 server from putty from work place

Hi I'm trying to connect to AWS EC2 instance using putty by giving authenticate PPK file. getting an error unable to connect to server name host not found, i'm trying to connect from work place, is it ...
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AWS - Cannot ping/ssh my machine from AWS EC2 instance

I have created an AWS T2 instance. I created security groups to allow all traffic on all ports only from my local machine's IP. So when I try to ssh from my dev-machine with the pem file (ssh -i ...
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EBS - Volumes Usage is higher than what i actually see

I have an Amazon Free Tier account It's showing that i am using 25.75 GB, I only have a single EC2 instance running, what is this "EBS - Volume" I have a 30GB disc attached to this instance and as ...
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171 views

How do I keep 2 EFS instances in sync across regions

My company has an application running with multiple EC2 instances sharing 1 EFS instance that holds our application's files in the US East region, however our application is used nationally and our ...
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60 views

How set NTL parameters in putty ssh client?

AWS glue development endpoint show the following cmd line for shh connetction: ssh -i <private-key.pem> -NTL 9007:000.000.000.0:9007 glue@someHOst.us-west-2.compute.amazonaws.com What is -NTL ...

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