Debugging Production With CloudWatch (Without SSHing Anywhere)
Logs Insights queries, metric filters, and alarms that matter — finding root cause from CloudWatch alone, the way you have to when SSH is not an option.
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AWS
7 posts in this category.
RDS Backups: The Kind You'll Wish You Had at 2 AM
Automated backups, point-in-time recovery, snapshots versus replicas — and why you should restore a database on purpose before you need to by accident.
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Right-Sizing EC2 Before It Bites Your Bill
Burstable instances, credit balances, and CloudWatch graphs — how to pick an EC2 size you won't regret, and how to shrink one you already regret.
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S3 Storage Classes Without the Alphabet Soup
Standard, IA, Glacier tiers, lifecycle rules, and the retrieval fees that ruin your day — how I stopped overpaying for object storage.
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How I Locked Myself Out of AWS (and What IAM Taught Me)
A botched inline policy, an expired access key, and an empty permission set — the IAM story every cloud engineer seems to live through once.
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VPC Networking, Explained for People Who Hate Networking
Subnets, gateways, route tables, security groups — the AWS networking basics I wish someone had drawn on a whiteboard for me the first time.
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Route 53 Basics Every DevOps Engineer Should Know
Aliases, TTLs, health checks, and failover routing — the DNS mechanics behind every domain cutover, including the ones you'll do at midnight.
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