Deep Tech
Deep tech articles from my own servers and code: Linux, cybersecurity, privacy, networking, automation scripts, Rust and Kodachi OS. The newest come first; the business side is in the business blog.
My Valentine’s Gift Was a Subnet DDoS
How a subnet-rotating DDoS hit digi77.com on 14 February 2026, why CSF alone struggled, and the Bash defence that escalated from IP to subnet blocks.
From Bash to Blazing Fast: Why Rust is Kodachi’s New Powerhouse
A reproducible Bash vs Rust benchmark that compares two 100,000-line files, the speed-up it shows, and why Kodachi OS rebuilt its back end in Rust.
Automate Cybersecurity News Monitoring with This Bash-Based RSS Feed Tester
A Bash script that tests cybersecurity RSS and Atom feeds with curl, prints the five latest headlines per feed, times each one and logs the results.
Lsyncd Demystified: Automate, Secure, and Scale Your File Transfers
Set up Lsyncd on Debian with one Bash script: a sync user, SSH keys and real-time inotify syncing between master and worker nodes, or a full mesh.
Automate DNS Management with a Bash Script: Complete Guide for Developers
Two Bash scripts that query, create and delete Porkbun DNS records through its API, with random subdomains, multiple IPs and a YAML map of the results.
Streamline Python Development with an All-in-One Bash Script
A Bash script that installs python3-venv, creates and activates a Python virtual environment and installs your pip packages in one step, with notes for 2026.