sunah kim

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0 karma0 postsjoined 12 days ago

Don't Trust 'Zero Security Updates' on Amazon Linux 2023 — The Release-Pinning Trap

🌐 dev.toSource

What happened During a routine security check on a production Amazon Linux 2023 server, I...

#devtoaws #devto #dev #kernel #security #release #article #englishlanguage

1 day ago

A 6-Minute Production Server Swap — rsync Twice and Move the Sessions Too

🌐 dev.toSource

Introduction I replaced a production e-commerce server running Amazon Linux 2 (PHP 8.2 /...

#devtoaws #devto #dev #server #maintenance #rsync #sessions #cutover

6 days ago

5 Rules of Lightsail Static IPs — They Outlive Your Instance, and Stopped Servers Still Bill

🌐 dev.toSource

Introduction I recently rebuilt two Lightsail instances (dev and production) and had my...

#devtoaws #devto #dev #static #instance #attach #five #stop

8 days ago

Why Moving Only the Web Server to a Neighboring Region Is a Mistake — 5ms vs 37ms DB Round Trips

🌐 dev.toSource

The request On a production e-commerce site (EC-CUBE), the request came in: "we'd like the...

#devtoaws #devto #dev #server #30ms #region #tokyo #seoul

9 days ago

We Migrated the Server and Only Payments Died — Reverse DNS and Error 908 from a Payment Gateway

🌐 dev.toSource

The setup While migrating a production EC-CUBE (PHP e-commerce) site to a new cloud...

#devto #dev #payment #domain #production #article #englishlanguage

11 days ago

Twig 3.30 Broke Every Page of EC-CUBE with a 500 — Blame the Return Types Added in 3.12

🌐 dev.toSource

Introduction While running composer audit on a production EC-CUBE 4.3 site, I found a...

#devto #dev #twig #array #function #return #types #article

12 days ago

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sunah kim