TL;DR: AWS’s October 19, 2025 outage finally got its root-cause postmortem 10 days later—turns out a DNS meltdown in Dynamo set everything off, with EC2 errors and Network Load Balancer gremlins piling on. You can dive into the full timeline (DNS fail at 5:30, EC2 hiccups at 13:41, NLB woes at 16:16) directly on AWS’s site.
Beyond the RCA, Hussein’s packed the description with links to courses on OS fundamentals, Node.js internals, backend troubleshooting, networking, databases, NGINX, Python and more—complete with Udemy coupons, YouTube membership perks, and an option to buy him a coffee.
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