EC2 Archives - DEVOPS DONE RIGHT.

How to Reduce AWS Data Transfer Costs: A CFO’s Guide to Cloud Savings

If you’re using AWS, you may have noticed data transfer fees being added to your expenses. These costs are often included in your cost and usage reports, but don’t be fooled, if they’re not monitored they can quickly add up and become a significant contributor to your AWS bills.

Many organizations may face unexpectedly high data transfer charges, which reach up to lakhs of rupees per year. To get a handle on these costs and potentially reduce them, it’s essential to get a clear picture of your data transfer costs and identify which resources are driving them.

This blog explores a practical scenario that sheds light on AWS data transfer pricing, highlighting the typical challenges teams encounter and offering actionable strategies to help you optimize your cloud expenditures and effectively manage AWS costs.

Continue reading “How to Reduce AWS Data Transfer Costs: A CFO’s Guide to Cloud Savings”

Security Group Strategy for AWS

Introduction

When securing hosted resources in the cloud, it’s crucial to employ robust methods to protect against unauthorized access and potential threats. Among these methods, security groups play a pivotal role in safeguarding our EC2 instances.

Amazon Web Services (AWS), a leading cloud provider, offers a multitude of services, including EC2 (Elastic Cloud Compute), which allows us to create and manage instances. Continue reading “Security Group Strategy for AWS”

Simplifying Site-to-Site VPN Connectivity with StrongSwan

Introduction

As a new member of the team, I was tasked for establishing site-to-site VPN connectivity using a third-party tool. After exploring numerous blogs in search of the perfect solution, I stumbled upon StrongSwan. Excited to put it to the test, I followed the provided guides carefully. However, upon implementation, I encountered a frustrating roadblock: while the tunnel was successfully created, communication between the virtual networks remained elusive. Continue reading “Simplifying Site-to-Site VPN Connectivity with StrongSwan “

Learn the Hacks for Running Custom Scripts at Spot Termination

Nowadays, it is very common to run applications on Spot instances. In this scenario, where a spot instance could be terminated at any point of time because of AWS pulling back their resource or ASG Scale-In incident, we need to have something in place to handle the termination smoothly so that we can complete our final tasks before the system shutdown. It could be executing some scripts, unmounting some storage device, shipping final log files to S3, or uploading cache data in a centralized server like Redis.
Today, I will attempt to cater to this problem.

First of all, let’s think of trying to run a custom script prior to shutdown in our local system. If everything works fine, the same would be applicable for ec2 spot instances too.