AWS CSM Mode: Advanced monitoring of AWS client
After exploring aws boto3 core sources on github, I found this interesting commit, that enables monitor mode called CSM. Once exploring how it works I decided write a post, cause this feature is ex...
Engineer's Notes
AWS-nuke controlled resources cleanup in multiple aws accounts
AWS-Nuke is an open-source tool, designed to automate the removal of AWS resources from an account. It can be used to quickly and safely delete all resources in a given AWS account, or it can be cu...
Understanding Access Patterns in DynamoDB. Part1: Why Naive Reads and Entity Updates Can Cause Multiple Problems
DynamoDB, AWS’s NoSQL database service, is designed for scalability and performance. However, getting the best out of DynamoDB requires a deep understanding of access patterns. Introduction A co...
AWS OpenSearch Full Documents Reindexing: When? Why? How?
We will explore AWS OpenSearch Service, how it was introduced and deep dive into challenge of documents reindexing. OpenSearch Brief History: The Forking of Elasticsearch Elasticsearch is an ope...
Using AWS SQS as a Time Machine: Delayed Messaging
Amazon Simple Queue Service (SQS) is a fully managed message queuing service that enables you to decouple and scale microservices, distributed systems, and serverless applications. One powerful fea...
Update GPG key by changing email address
Describes step that are required when you need to modify existing GPG key (add/remove email, additional information) List GPG keys gpg --list-secret-keys --keyid-format=long [keyboxd] ---------...
Integrating your own cli tool into aws cli
We are using AWS Command Line Interface (CLI) in multiple projects and daily operations. The aws cli is a propriatary tool for managing AWS services and resources from the command line. It is maint...
Using multiple ssh keys in different git projects and accounts
SSH besides standard configuration where we define what host uses which key and user can have advanced features. Let’s check the feature that allows to specify different ssh keys for the same host ...
AWS Graviton ARM-64 vs Amazon X86-64 GRAND PRIX 2024. Round1: CPU Benchmark.
Abstract This is a first post in series of AWS Graviton ARM-64 vs Amazon X86-64 GRAND PRIX 2024 where we will check different performance factors of Graviton, compare to classic x86. I will use ow...
AWS Chime SIP Trunking Integration with VoIP Asterisk
Abstract Session Initiation Protocol (SIP) trunking is a technology used in Voice over Internet Protocol (VoIP) telephony that enables the connection of a private branch exchange (PBX) to the inte...