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Unanswered Questions

1,486 questions with no upvoted or accepted answers
7 votes
1 answer
2k views

Joining a server to AD via AWS cloudformation

I want to use cloudformation to automatically join new instances to AD. When I googled this it looks like many people just use scripts in there cloudformation templates and pass in credentials- I don'...
6 votes
1 answer
330 views

Error when configuring Hudson EC2 Plugin

I want to run Hudson on EC2 and use Hudson's EC2 plugin to create Hudson slaves to run my tests. I installed it, but when trying to configure it, I get a lot of errors: What's going on? How can I ...
5 votes
1 answer
3k views

EC2 VPC Intermittent outbound connection timeouts

My production web service consists of: Auto-scaling group Network loadbalancer (ELB) 2x EC2 instances as web servers This configuration was running fine until yesterday when one of the EC2 instances ...
5 votes
0 answers
3k views

Newly installed programs in Server 2016 can't be clicked from the start menu

I created a new instance of Windows Server Datacenter 2016 on AWS (Version: 1607 OS Build 14393.321). When I install a new application and try to click on it from the start menu it does not work. ...
5 votes
2 answers
5k views

Windows Server 2012 R2 in AWS EC2, change resolution beyond 1280x1024

I have a Windows Server 2012 R2 instance running in EC2 performing some UI tests while nobody is connected to it. I use the following script to disconnect from Remote Desktop: for /f "skip=1 tokens=3"...
5 votes
0 answers
2k views

Latency (wait ttfb) on EC2

My application is crawling a website. I use this crawler : https://github.com/rfussien/leboncoin-crawler On my dev environment, the latency is acceptable (3-4 sec) but on my prod server (ec2 T2.micro ...
5 votes
0 answers
2k views

Node.js Server with PM2 Crashing with error ENOMEM - but no memory leak

I have an EC2 instance running a node.js server (Express based). After deploying in a new environment, my service had started crashing almost instantly with spawn ENOMEM Errors like this one: Server ...
5 votes
1 answer
910 views

IAM Action for `Get-EC2Instance` command in Powershell SDK

Calling Get-EC2Instance from EC2 instance and getting Get-EC2Instance : You are not authorized to perform this operation. Which IAM action do I need to add to my policy?
5 votes
0 answers
3k views

EC2 Windows: Certificate for local system with Thumbprint ... is about to expire or already expired

I regularly see this error in the Windows Error Log on one of my EC2 instances: Certificate for local system with Thumbprint aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa is about to ...
4 votes
0 answers
2k views

How can I count EC2 instances over time in AWS?

I want to know the number of EC2 instances I have running over time. I am able to view this data from the following menu: ec2 dashboard Auto Scaling Groups select my group from the table of groups ...
4 votes
1 answer
3k views

AWS console - This site cannot be reached - Only on my PC

I have an AWS insatance and whenever I go to the console page, ie: https://us-west-2.console.aws.amazon.com on a browser I get the message: This site can’t be reached us-west-2.console.aws.amazon....
4 votes
0 answers
5k views

AWS: ssh_exchange_identification: read: Connection reset by peer

I am facing "ssh_exchange_identification: read: Connection reset by peer" error. I am not able to ssh my instance. Any help is highly appreciated. Thank you. Below is the debug information ssh -i ~/....
4 votes
0 answers
3k views

Hostname provided via SNI and HTTP are different (AH02031 and AH02032 ) Error

I am using Apache 2.2 webserver on ubuntu Aws instance. My website goes down with below errors on error log, [ssl:error] [pid 46283] AH02032: Hostname provided via SNI and hostname provided via ...
4 votes
0 answers
353 views

EC2 CPU Credit Balance: Why are there gaps in my credit balance graph?

I use CloudWatch to monitor dozens of aspects of our platform's ecosystem, and occasionally we'll have a machine that does this: Why are there gaps in this green line? The other instances being ...
4 votes
1 answer
2k views

AWS EC2 - CentOS 7 Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)

I have an EC2 Instance with CentOS 7, after rebooting and stop - start, the instance cannot run anymore. I got this error, what cause this and how to fix it, thank you: [ 1.601892] List of all ...

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