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5 AWS Mistakes Almost Everyone Makes Early On

These aren't exotic errors. They're habits that form because AWS makes it easy to get something working quickly. Each has a simple fix, and the fix is much cheaper before the habit sets than after. 1.

jayesh-sojitra.hashnode.dev

Jayesh Sojitra4d ago · 4 min read

CloudTrail Explained: Knowing What Actually Happened

Day 20 said to start an investigation by asking what changed. CloudTrail is the service that answers that question for your AWS account. It records API activity, and most "mystery change" incidents en

jayesh-sojitra.hashnode.dev

Jayesh Sojitra4d ago · 4 min read

The AWS Skill That Matters More Than Knowing Every Service

Early on, learning AWS feels like a memorization problem: hundreds of services, each with its own console and vocabulary. Nobody keeps up with all of it, and you don't need to. What carries over from

jayesh-sojitra.hashnode.dev

Jayesh Sojitra4d ago · 4 min read

Why Your AWS Tagging Strategy Matters More Than You Think

A tag is a key-value label you attach to an AWS resource, such as environment = prod. On their own they look trivial. Together they're what make an account understandable, billable by team, and safely

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Jayesh SojitraOct 15 · 4 min read

Blue-Green vs Rolling Deployments on AWS

Every deployment strategy answers the same two questions: how do you get new code serving traffic, and how do you get back if it's wrong? The answers differ a lot in cost, risk, and speed of recovery.

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Jayesh SojitraOct 15 · 4 min read

Secrets Manager vs Environment Variables: What's Actually Safer

"Don't put secrets in environment variables" gets repeated a lot, usually without the reasoning. The more useful version is about three properties of any secret: where it's stored, who and what can re

jayesh-sojitra.hashnode.dev

Jayesh SojitraOct 13 · 3 min read

Week 3 Recap: Networking, Delivery, and Reliability

Day 16: Route 53 Explained Hosted zones hold your records. Alias records point a root domain at AWS resources, where CNAME can't. TTL controls how fast a change takes effect, so lower it before a migr

jayesh-sojitra.hashnode.dev

Jayesh SojitraOct 13 · 4 min read

Multi-AZ vs Multi-Region: What Each Actually Protects Against

Both terms get used as if they were two settings on the same dial. They're not. They cover different kinds of failure, and picking one without knowing which failure you're guarding against leads to ei

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Jayesh SojitraOct 11 · 4 min read

5 AWS Mistakes That Cost Teams Real Money

Day 12 covered how to trim a bill that's already running. This one is about the mistakes that create the surprise in the first place. None of them need advanced knowledge to avoid, only to know they e

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Jayesh SojitraOct 11 · 4 min read

What Production Support on AWS Actually Looks Like

Tutorials show building things. Production support is about the other situation: something that worked yesterday isn't working now, someone is waiting, and you need a method more than you need clevern

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5 AWS Mistakes Almost Everyone Makes Early On

CloudTrail Explained: Knowing What Actually Happened

The AWS Skill That Matters More Than Knowing Every Service

Why Your AWS Tagging Strategy Matters More Than You Think

Blue-Green vs Rolling Deployments on AWS

Secrets Manager vs Environment Variables: What's Actually Safer

Week 3 Recap: Networking, Delivery, and Reliability

Multi-AZ vs Multi-Region: What Each Actually Protects Against

5 AWS Mistakes That Cost Teams Real Money

What Production Support on AWS Actually Looks Like