Fix Codex resume after switching AWS accounts on Bedrock
Recover a Codex chat after an AWS account switch: remove account-bound encrypted state, preserve the original history, and verify the next request.
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Land of Long White
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Practical AWS projects, security patterns and operational lessons.
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Crypto mining on AWS and GCP after “The Merge”
Yes, you can still mine crypto in the public clouds even after the Ethereum switch to Proof of Stake!
The new AWS instance that makes ETH mining profitable
An experiment with GPU instance costs and Ethereum mining profitability in early 2022.
CloudFormation Service Roles
Give CloudFormation the permissions it needs while keeping user access restricted.
ssm-tunnel
Connect to private VPC resources through Systems Manager, without a VPN or a bastion host.
SSM Sessions the easy way
A simpler command-line interface for listing instances and starting Systems Manager sessions.
Using SSM Session Manager for interactive instance access
Access EC2 instances interactively without inbound SSH ports, keys, or jump hosts.
CloudFormation package & deploy
Easily deploy complex CloudFormation templates with external resources such as Lambdas or nested stacks.
IP-Ranges Updater
Keep network allowlists and security groups in sync with published AWS IP ranges.
New C5 / M5 / T3 instance disk names
Understand NVMe disk names and map Linux devices to EBS volumes on newer EC2 instances.
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