Migrating from DigitalOcean to Hetzner: From $1,432 to $233/month With Zero Downtime

2026-03-17

#devops #mysql #nginx #migration #hetzner #digitalocean #linux Migrating from DigitalOcean to Hetzner: From $1,432 to $233/month With Zero Downtime

A real-world production migration from DigitalOcean to Hetzner dedicated, handling 248 GB of MySQL data across 30 databases, 34 Nginx sites, GitLab EE, Neo4j, and live mobile app traffic — with zero downtime.

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How I Reverse-Engineered one of the biggest GSM Operator’s application.

2022-01-01

#security #reverse-engineering #ios #jailbreak #charles-proxy How I Reverse-Engineered one of the biggest GSM Operator's application.

How I found a critical bug in one of the biggest GSM Operator’s application that allowed logging into any user account without a password.

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First Proof of “Six Degrees Of Separation”

2021-08-24

#neo4j #graph-database #algorithms #pathica #instagram #math First Proof of "Six Degrees Of Separation"

How I built Pathica — an app that proves the Six Degrees of Separation theory using Neo4j graph database, finding connections between any two Instagram users in 0.03 seconds.

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