Category
Sort By
Introduction When you work with AWS infrastructure for some time, you realise that not all problems announce themselves with alerts or outages. Some problems stay quiet, blend into the background, and only reveal themselves later-usually when someone asks a question you can’t answer clearly. This is one such experience from my early...
Introduction DNS is rarely the first thing teams modernise. In most client environments we work with at To The New, CI/CD, cloud infrastructure, and observability mature quickly. DNS, however, often remains manually managed through dashboards, handled by a few people, and changed mostly during incidents. That gap usually goes unnoticed...
Introduction: What is Terraform State? Terraform doesn’t just apply your infrastructure code and forget about it. It keeps track of what’s been created — every EC2 instance, every S3 bucket, every RDS database, every security group, and many more. That data is stored in a file called terraform.tfstate. This state file is how...
Introduction In this blog, I have checked application availability when one of the availability zones is down. AWS has regional services where there are more than one data centers, which are known as availability zones, to ensure High availability and redundancy. For instance, we have three availability zones for the ap-south-1(Mumbai)...