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Security notes, SOC lab write-ups and tested code by Mahir Faysal, a SOC Level 1 cybersecurity learner in Bangladesh, plus notes from my Next.js and Gemini projects. Sample posts are marked and drafts stay in the admin area.

All notes Coding tips · 171 Learning notes · 25 Practice · 1

Coding tips

Error: Cannot find module in Node.js (MODULE_NOT_FOUND and ERR_MODULE_NOT_FOUND): 10 Causes and Fixes (Tested Examples)

Node.js throws Error: Cannot find module when require() or import cannot resolve a name to a file. Here are 10 real causes, from a missing npm install and wrong relative paths to ESM file extensions and unbuilt TypeScript, with tested output from Node 24 and the fix for each.

November 9, 2026 · 10 min read · 0 views