Blog
Manually fix your Terraform statefile in case of emergencies
The golden rule of infrastructure as code is not to change the infrastructure manually. However manual changes can happen by accident. Leaving the infrastructure in an inconsistent state.
Wake on LAN EC2 instances
EC2 instances can not support wake on lan natively because they use virtual interfaces (ENI’s). Normally wake on lan works by sending a magic packet to a mac address of an interface.
Saving money with NAT instances and VPC endpoints
This article addresses the fact that AWS Managed NAT Gateways are expensive and provides solutions on how to save money on your AWS bill by using NAT instances and VPC endpoints.
Why do S3 pre signed URLs expire after 12 hours, despite setting a longer duration?
S3 objects can be requested through a so called pre signed URLs, however the pre signed URL is tied to the identity that generated the URL. This means that if the credentials expire that generated thi ...
AWS EventBridge cron expressions are weird
They have some specifics to them that are unexpected if you have been working with regular crontabs for some time.
Terraform and for_each
In this article I explain the use of ‘for_each’ in Terraform through examples. I explain how it handles different data types and ways to resolve common errors.
Locked out of your S3 bucket?
In S3 buckets you can set a bucket policy to allow or disallow actions on the S3 bucket. Often this is used to set a bucket policy to only allow access through an VPC endpoint:
Running ECS containers on EC2 instances via Terraform
There are several pitfalls when setting up an ECS cluster and these can be quite hard to debug. I made this post to point out some of these pitfalls to get you started. If you create your cluster and ...
AWS API Call via CloudTrail EventBridge events not firing in AWS
This article discusses why AWS API Call via CloudTrail EventBridge events not firing in AWS and what to do. Do you have any further questions after reading this article? If so, please contact me.
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