Installing Amazon Workspaces on Ubuntu 24.04 (noble)
There is currently no Ubuntu 24.04 client for Amazon Workspaces, fortunately the 22.04 client can be installed via apt with only a minor tweak.
Deplication
Simpler is better.
Latest posts
Retrieving EC2 instance profile credentials with IMDSv2
Quick example of fetching EC2 instance profile credentials using IMDSv2.
Reducing VPC interface endpoint costs in dev/test environments
Two quick tips for potentially reducing VPC interface endpoint costs.
Checking regional service availability with the AWS CLI
Using System Manager public parameters a quick CLI one liner for checking if an AWS service is available in a region:
AWS in the weeds - S3 CloudWatch metrics and lifecycle actions that are in progress
I was recently working with a customer on an issue that highlighted a poorly explained side effect of the reversibility of lifecycle actions. The purpose of this post is to explain this behaviour with the hope that it will save S3 customers unexpected costs. TLDR: S3 CloudWatch metrics don't accurately display metrics about lifecycle actions that are still in progress.
AWS tip: Wildcard characters in S3 lifecycle policy prefixes
A quick word of warning regarding S3's treatment of asterisks (*) in object lifecycle policies. In S3 asterisks are valid 'special' characters and can be used in object key names, this can lead to a lifecycle action not being applied as expected when the prefix contains an asterisk.
Finding S3 API requests from previous versions of the AWS CLI and SDKs
Earlier this year the S3 team announced that S3 will stop accepting API requests signed using AWS Signature Version 2 after June 24th, 2019. Customers will need to update their SDKs, CLIs, and custom implementations to make use of AWS Signature Version 4 to avoid impact after this date. It might be difficult to find older applications or instances using outdated versions of the AWS CLI or SDKs…
AWS S3 event aggregation with Lambda and DynamoDB
S3 has had event notifications since 2014 and for individual object notifications these events work well with Lambda, allowing you to perform an action on every object event in a bucket. It is harder to use this approach when you want to perform an action a limited number of times or at an aggregated bucket level. An example use case would be refreshing a dependency (like Storage Gateway…
Working with 20+ node ElastiCache Memcached clusters
ElastiCache Memcached limits the number of nodes in a cluster to 20 by default. This limit can be increased with ElastiCache recommending against clusters larger than 50 nodes.
Extracting S3 bucket sizes using the AWS CLI
A quick one liner for printing out the size (in bytes) of S3 StandardStorage buckets in your account (using bash)