What To Do If You Lose Your EC2 Private Key

This hasn't happened to me, but knowing that it could encourages me to take note of how to address the scenario if it occurs. I came across a great example here (great step-by-step instructions). To sum up: Shutdown your instance Create an AMI Launch an instance from an AMI where you can create/choose a private … Continue reading What To Do If You Lose Your EC2 Private Key

Resetting the password on your Windows EC2 instance via SSM

I came across and interesting approach recently for resetting a misplaced/undocumented Windows administrator passwords in a reddit post.  This technique is only valid for instances with SSM installed. "SSM Agent is installed by default on Windows Server 2016 instances and instances created from Windows Server 2003-2012 R2 AMIs published in November 2016 or later." As … Continue reading Resetting the password on your Windows EC2 instance via SSM

Snapshotting Windows EC2 Instances with Powershell – Part 2

In Part 1, we successfully initiated a snapshot with Powershell.  Here we'll continue building out the script.   Cleaning Up Old Snapshots Anyone who's ever worked with regularly scheduled snapshots knows you need regularly scheduled cleanup or your AWS invoices will slowly creep up over time. I'll be filtering by Description to determine which snapshots do … Continue reading Snapshotting Windows EC2 Instances with Powershell – Part 2

Snapshotting Windows EC2 Instances with Powershell – Part 1

As you likely already know, there's isn't an option to schedule EC2 instance snapshots within the AWS console. A popular way to address this would be to use Boto3, AWS' SDK for Python.  However, it is also possible to initiate EC2 snapshots with Powershell. Why would you want to do this with Powershell?   Let's say … Continue reading Snapshotting Windows EC2 Instances with Powershell – Part 1

Backing up files from a Windows Instance to S3.

Part of a backup strategy in AWS could involve file-level backups.  As S3 storage is cheaper than EBS volumes, it could make sense to store your files in S3. A possible way to go about this would be to use a utility like Duplicati to backup files to an S3 bucket. Another method is with … Continue reading Backing up files from a Windows Instance to S3.

Autoscaling to One: A High Availability Technique

There are certain types of servers that you'd desire to have highly available, but the cost of running multiple servers would be a bit impractical. In our scenario, we'll setup a management instance behind a load balancer. The instance will be part of an auto scaling group, which will lauch a new instance in the … Continue reading Autoscaling to One: A High Availability Technique