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GnuPG (GPG) Guide: Securing Linux Data Based on Real-World Experience

By admin June 17, 2026

Raw data on servers is a goldmine for hackers. Learn how to use GnuPG (GPG) to encrypt files, manage keys, and automate security on Linux based on real-world experience.

Git

Signing Commits with GPG Keys: Protecting Your Code from Identity Fraud in Git

By admin March 1, 2026

Git doesn't verify committer identity — anyone can commit code under your name. This guide walks you through setting up GPG signed commits step by step: generating a key pair, configuring git, adding your public key to GitHub, verifying signatures, and backing up safely.