A
Arun's Blog

Engineering Logs

// Thoughts on cloud architecture, [x]Ops, and system design

2025

2 entries
SSM

Systems Manager Session

Introduction AWS Systems Manager Session Manager is a fully managed AWS service that allows you to securely connect to your EC2 instances (Linux or Windows) without needing to open inbound por...

2024

7 entries
Git

GitHub

GIT Commands To find all branches git fetch --all To find all branches with date time git for-each-ref --sort=-committerdate refs/remotes/ --format="%(refname:short) %(committerdate)" To fin...

EKS

Orchestrating Kubernetes on AWS with Terraform

Introduction In today's fast-paced digital landscape, businesses are constantly seeking innovative solutions to streamline their operations, improve scalability, and ensure the resilience of t...

FinOps

Embracing FinOps

FinOps Teaser Introduction In an era where digital transformation dictates the pace of business operations, financial operations (FinOps) emerges as a pivotal discipline, blending the agili...

2023

22 entries
Uncategorized

Governance & Compliance with S3 Object Lock

Introduction Amazon S3 Object Lock is a powerful feature that helps in maintaining governance and compliance by preventing the deletion or overwriting of objects within an S3 bucket. It allows...

Continuity

AWS Application Migration Service - Part 2

Introduction In continuation of Part 1, we'll delve deeper into the Application Migration Service, focusing on downloading and configuring the replication agent on the source servers. Addition...

Organizations

Centralize Resource Management with AWS RAM

Introduction AWS Resource Access Manager (RAM) is a service provided by Amazon Web Services (AWS) that allows you to share AWS resources between AWS accounts or within your own account, withou...

CLI

Master the AWS CLI Installation Process

Unleash the power of automation with the AWS CLI! Say goodbye to manual tasks and hello to seamless access to AWS services. Whether you're a Windows or Linux user, the installation process is a b...

Boto3

Uncover the Mystery of Your AWS IP Addresses

A Guide with Boto3 Get ready to embark on a thrilling journey of automation and discovery! I had the vision of creating a dynamic system that would effortlessly uncover all the private and pub...

2022

8 entries
VPN

AWS Site-to-Site VPN via Terraform

Introduction Connecting your AWS environment can be accomplished in multiple ways. One can use Direct Connect, which can be expensive and have some lead times associated with it. Others may ch...

Multi-Cloud

AWS Site-to-Site VPN with Azure

AWS and Azure Configuration with Terraform Introduction Silos cannot function in the modern world. Interoperability is crucial for successful businesses and as much as one may want, a truly...

VPC

VPC Flow Logs via Terraform

Network flow logs are gathered, archived, and analyzed by numerous organizations. They utilize this data to diagnose connectivity and security problems and check that network access rules are functio...

Continuity

AWS Application Migration Service - Part 1

Introduction AWS MGN is a highly automated, adaptable, and dependable lift and shift system. Anyone can utilize the AWS application migration service (AWS MGN), a lift-and-shift AWS service, u...

Continuity

AWS - Elastic Disaster Recovery

Introduction IT disasters such as data center failures, server corruptions, or cyber-attacks can not only disrupt your business, but also cause data loss, impact your revenue, and damage your...

DNS

AWS - Hybrid DNS

Route 53 & On-Premise DNS Integration Introduction Domain Name System (DNS) is a foundational element of the internet which acts as a concierge when looking for name resolution, rather...

Firewall

AWS Network Firewall

Centralized Model Introduction Do you have a multi-VPC AWS environment with multiple ingress and egress points? Do you want to consolidate your blast radius (and in turn costs) in such a wa...

VPN

AWS Site-to-Site VPN with Palo Alto

Need to quickly and cheaply connect your on-prem environment to AWS rather than wait weeks for a Direct Connect? AWS site-to-site VPN is an excelent choice to make that happen. A site-to-site...

2021

2 entries
Continuity

Manual VM Import to AWS

I have been getting asked more and more how to manually import on-premise virtual machines into AWS, without using other services such as CloudEndure or AWS Migration Services. Some may want a qu...