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...

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...

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...

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...

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] ---------...

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...

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 ...

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...

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...

Abstract Asterisk is an open-source PBX (Private Branch Exchange) software that can be used to build a VoIP system. In this post, we will walk through the process of building Asterisk from sources...